African American and Haitian Heritage Essay

There are many different beliefs and values with the African American Culture compared to the Haitian Culture relating to child bearing and pregnancy. Both of the cultures have history of having large families in the rural areas, which was viewed as a necessary necessity because of the economic pressures each culture went though. The African American choice of birth control was oral contraceptives compared to the Haitians who used a variety of contraception methods such as the â€Å"birth control pill, female sterilization, injections, and condoms† Kemp (2012) states. The Haitians are mostly Catholic which makes them unwillingly to engage in conversations about pregnancy, and their fertility practices. Compared to African Americans who willingly to speak to older family members about their behavior during their pregnancy, or will help guide them with many of the practices and beliefs of a pregnant women. The African Americans view and belief on abortion is that many oppose abortion because of their â€Å"religious or moral beliefs†, and others oppose abortion because of moral, cultural, or â€Å"Afrocentric beliefs† WHO (2011) states. These beliefs will cause a delay in decision which makes abortions unsafe, compared to the Haitian Culture who does not talk about abortion openly, it is considered a women’s issue. Pregnancy is not considered a disease, or a â€Å"health problem, many Haitian women seek no prenatal care†, work fulltime until delivery, and celebrate their pregnancy as a time of joy. Haitian women also â€Å"do not eat spices†, but are encouraged to eat vegetables, and red fruits to increase the fetus blood Kemp (2012) claims. Compared to the African American women who seek prenatal care early in their pregnancy, also they respond to being pregnant as any other women in an ethnic group. Furthermore each one of the cultures has views, and beliefs that they follow during their pregnancy. The â€Å"Haitian women historically would walk, squat, or sit†, during labor, practice natural childbirth, but since migrating most Haitian women have adopted other practices. The fathers do not participate in delivery, but other female families members offer support Kemp (2012) states. The African American women have many beliefs or myths they believe in during their pregnancy. â€Å"Pica is the eating of a nonnutritive substance† such as soap, needles, dirt, and etc., this practice will help ease pain during delivery, and reduce nausea Galanti (2012) states. Furthermore African American women believe in many beliefs because it will cause harm to them and the unborn baby, during delivery they believe it is ok to be vocal. In addition during delivery African American women will have granny midwives deliver their unborn baby, and others will arrive at the Hospital in advanced labor to reduce the time spent there. Emotional support is provided by other women especially their mother, because men believe it is a private issue between women. The Haitian women believe that postpartum is a crucial period of childbearing, immediately after birth they will dress warmly to become more healthy, and clean. After delivery Haitian women believe that their â€Å"bones are open which makes them stay in bed 2-3 days postpartum† Galanti (2012) states so the bones can close. Another postpartum practice is the â€Å"three baths†, the first three days the mother will bathe in hot boiled water that will have leaves, bought or picked from the field. Then for the next three days the mother will bathe in water and leaves warmed by the sun. At the end of the third week the mother takes the third bath which is cold, Haitian women also avoid white foods during this period. Compared to the â€Å"African American women during postpartum period family support is needed to care for them six to eight weeks† after delivery Galanti (2012) states. Babies were not named until after they were known to survive, and the placenta has a spirit of its own which has to be buried after birth to avoid having a connection to the baby. Increased â€Å"vaginal bleeding is a sign of a sickness†, and tea is believed to have healing powers Kemp (2012) states. References Galanti, G. (2012) â€Å"Cultural Diversity in Health Care† African American. Retrieved on January 27, 2013 from www.ggalanti.org Kemp, C. (2012) â€Å"Haitians† Retrieved on January 27, 2013 from www.baylor.edu World Health Organization (2011) World Global Cultures† Retrieved on January 27, 2013 from www.who.org

Marketing of Four Seasons Hotel Shanghai Essay

For the successful completion of our report, we would like to express our deep gratitude to all the people who give us help and advise. First and foremost, we are going to give our appreciation to Mr. Wang, the Assistant Sales Director of the Four Seasons Hotel Shanghai. He spent his personal time replying our email to answer our questions and gave us a lot of valuable information and instructions which keep our report going in the right direction. Secondly, we would like to thank our Marketing lecturer, Miss Medico, she provided us with many useful resources and guidance at every stage of writing the report. Clearly, we cannot finish this report smoothly without her help. Last but not least, we would like to thank all our friends for their suggestions and inspiring. Contents Introduction Nowadays, with the rapid development of the hospitality industry in Shanghai, more and more hotels are demanded and built that brings more fierce competition to the hotels. Whether a hotel could capture market share, the most important thing for the hotel is marketing strategies. Correct marketing strategies could make a hotel winning in the competition. Our report is written based on the research of the marketing actuality of Four Seasons Hotel Shanghai and focused on analysing its marketing strategies to study how it promotes its product and services. The report is divided into three sections. In the first section, we introduce and give some detailed background information about the hotel including its history, stage in the lifecycle and the product and services the hotel is offering. In the second section, we identify the hotel’s target market and analyse their characteristic. In the last section, the information about the promotional tools or marketing strategies which the hotel is using are given related some examples. After that, it is the findings and analysis of the tools or strategies and our own opinions. Background of Four Seasons Hotel Shanghai Four Seasons Hotel Shanghai is invested by Shanghai Industrial Holdings Limited Company and managed by a very famous hotel brand, Four Seasons Hotels & Resorts. It is ideally located in the heart of Shanghai’s downtown, adjacent to Nanjing Road and Huaihai Road which are famous as the business, entertainment and shopping centers of Shanghai. It was built in October 2002. The internal and external design of the hotel is blended of Chinese and Western concepts to provide the guests special feelings. Four Seasons Hotel Shanghai has a total of 439 rooms. All of them are comfortably, elaborately decorated and well-equipped with modern guest amenities. The food and beverage products feature Chinese, Japanese and Western style. There are three restaurants, Si Ji Xuan, Shintaro and Steak House, offered three different types food to satisfy all kinds of the guests’ needs. In addition, Four Seasons Hotel Shanghai is well-known for many important events hold there cause the amazing ballrooms. Health & Fitness Center is including an indoor heated Swimming Pool, Gym, Steam Room, Sauna and Massage. The hotel provide the guests all kinds of services even some of them you cannot imagine! For example, the hotel provide couple guests the couples’ service which is including offering silky pyjamas, classic love stories on DVD and so on. Anyway, the hotel think of everything the guests may need and offer it before guests asking. Therefore, a lot of guests are attracted to stay Four Seasons Hotel Shanghai to have a unforgettable experience. The Lifecycle Stages of Four Seasons Hotel Shanghai As a modern city hotel, Four Seasons Hotel Shanghai does not have a long history. But only for one decade developing, it has successfully acquired its a mount of fixed customer groups of business leaders, political leaders and super stars. It is inseparable from the adaptable marketing strategies used during different lifecycle stages of the hotel. According to the research they did, there was few Chinese knew Four Seasons Hotels and resorts before Four Seasons Hotel Shanghai built cause that Four Seasons Hotel Shanghai is the first Four Seasons Hotel in Chinese Mainland. So during initial developing stage, the primary tasks for its marketing are target market positioning and brand promoting which purpose to build reputation, create the right image of hotel and introduce the product and services to the target market. Through the extension in initial stage, a basic sales network are built and the hotel turns into growth stage. In this stage, the hotel increases spending on advertising, sales promoting and public relations to improve reputation, image and guest loyalty. Now, Four Seasons Hotel Shanghai is in Maturity stage due to the favorable accumulation of capital and customer groups in initial and growth stages. The operations are on the right track; the market occupancy and profit level are quite high and the product and services are competitive. Therefore, the current work for them are seeking more wide target market and keeping the guest loyalty already gained. Target Market By accurately positioning target market, the hotel could better determine how many potential guests they have; adjust their product and services to preferably satisfy guests’ needs and draft their marketing strategies appropriately. ï ¼Ë†Data offered by Marketing Department of Four Seasons Hotel Shanghai, 2012ï ¼â€° According the data which shows the proportions of six different types guests offered by Mr. Wang, we create the pie chart above to make the data intuitional. It shows that Four Seasons Hotel Shanghai’s main target market consists of corporate guests, convention guests, government guests and travelers in 2011. The special location of Four Seasons Hotel Shanghai is the biggest reason for that corporate guests are the first target market. It is located in the CBD where are full of the top 500 Global enterprises such as Exxon Mobil, Morgan Stanley and Pepsi. So there are many business leaders visiting this area. The second target market is convention guests who always look for the hotels have excellent meeting rooms with large space and various modern meeting equipments. Four Seasons Hotel Shanghai is exactly the one can offer all the things they are looking. There are twelve meeting rooms separated into four different size to satisfy all kinds of guests’ needs. The owner of Four Seasons Hotel Shanghai, Shanghai Industrial Holdings Limited Company, is established by Shanghai Government. As the most luxury hotel of its industries, Four Seasons Hotel Shanghai are always used for entertaining officials. So the government guests is a big part of target market. In addition, a lot of travelers particularly the leisure travelers select Four Seasons Hotel Shanghai for their stays in Shanghai. The various leisure and entertainment facilities such as Health & Fitness Center, Spa and Club, provide them with relaxed and comfortable experience. Moreover, the wonderful food and beverage product and service is another reason for their visit. The Promotion Mix of Four Seasons Hotel Shanghai As a member of Four Seasons Hotels and Resorts which is one of the most famous and successful hotel groups all over the world, Four Season Hotel Shanghai concluded many effective and efficient marketing strategies to make itself survived from such a competitive condition. Advertising Advertising is the non-personal communication of information usually paid for & usually persuasive in nature, about products (goods & services) or ideas by identified sponsor through various media. ( Arens, 2010) Publishing pamphlets and magazines Like other hotels, Four Seasons Hotel Shanghai usually promotes its products and services by publishing pamphlets and magazines. The different kinds of magazines can reach different groups of readers. † We just select the magazines which can reach our target markets to promote our products. Determining the way of advertising based on the target markets makes the advertisement more effective and spending less.† ( Wang, 2012) But pamphlets are used more widely than magazines in Four Seasons Hotel Shanghai. Because it can reach and promote more directly to the guests who even have lived in the hotel. For example, during Mid-Autumn Day, the hotel elaborately prepares all kinds of moon cakes for guests. While moon cakes are ready for selling, the Marketing Department designs a pamphlet for promoting the moon cakes and publish the pamphlets. Then the pamphlets appear to everywhere guests could reach. Guests can see it at reception when they are doing check-in or check-out; they can see it on the bed when they arriving the room and on the table of restaurant when they are eating. How big the effects could be by promoting in this way! Online advertising Nowadays, marketing and advertising have been much affected by technology. Online advertising exactly is a outcome of the effect. There are many types of online advertising such as ads on search engine pages, email advertising and banner advertising. Four Season Hotel Shanghai is using the search engine advertising now. The ads of Four Season Hotel Shanghai are delivered on the search results pages of BAIDU which is the biggest search engine in China. Therefore, when people searching some key words related to † hotels in Shanghai† or † restaurants in Shanghai†, the link of official website appears on the right side of the results pages. if people are interested and click the link, page will jump to the official website to make them could reserve the rooms or restaurants. The online advertising communicates much widely and costs lowly. And the effects of advertising can be gathered statistics. Public Relations † Public relations is the technique of communicating favorable information about the operations to the public to create a positive impression. Its ultimate purpose is to create goodwill and increase the number of guests.† (Jack D.Ninemeier, 2010) †Public relations is a strategic communication process that builds mutually beneficial relationships between organizations and their publics.† ( PRSA, 2011) So the key to the success of your operation is creating good relations to the guests, local communities, governments and media. Communicating with public by Internet Today, hotels including Four Seasons Hotel Shanghai try to communicate with public by Internet. Four Seasons Hotel Shanghai is using a way called WEIBO which is the most popular social communication tool in China now. The functions of WEIBO are uploading words or pictures or videos to show some fresh informations about the hotel, such as the new promotions, new facilities or products, upcoming events and something else could improve reputation, image and guest loyalty. What’s more, the guests can leave comments to the hotel no matter if they are satisfied and the hotel can reply the comments. That’s an amazing way to communicate and interact with guests even cost nothing. Participate in public service Participating in the social and sponsored public service is an opportunity to improve the social impact and reputation of hotel and win the understanding and praise from the public. On April 28th 2011, to make a long-term commitment to global sustainability, the employees of Four Seasons Hotel Shanghai began a tree-planting campaign to contribute to the company’s 10 Million Trees initiative. With the support of Children Health Foundation and Oriental Land, the Hotel’s tree-planting campaign fund will be donated to help Chinese children who suffer from congenital malformations and heart disease.† Our employees in Shanghai are inspired by and fully involved in the company’s commitment to global sustainability.† ( Peter Weber, 2011) Four Seasons Hotel Shanghai enters its ninth year with its original pioneering spirit, setting an example of corporate social responsibility and renewing its commitment to improving the lives of children. ( Hotel News, 2011) Sales Promotion Sales Promotion consists of short-term incentives to encourage the purchase or sale of a product or service. It includes a variety of promotional tools designed to stimulate earlier or stronger market response. ( Marketing for Hospitality and Tourism, 2010) Hotel packages promotion As the first competitive factor in guests’ mind, the price always plays an important role in sales promotion. For hotel packages promotion, the price of package is lower than the total price of the products or services with the same qualities included in the package. So hotel packages promotion strongly stimulates the purchase desire of guests and used widely in various types hotels. Four Seasons Hotel Shanghai designs all kinds of packages for various target markets. For instance, the Romantic Wedding Package is prepared specially for the newlywed holding their wedding in the hotel. To leave a lifetime of memories to the newlywed, Four Seasons Hotel Shanghai sets a specially designed ice carving in the ballroom to match the wedding theme. Then during wedding time, the hotel will prepare a champagne tower and a wedding cake which could create a happy wedding atmosphere. After the wedding, a couples spa treatment at Qin Spa is ready for the newlywed to relax. If the newlywed prefer to stay in the hotel for their wedding night, a romantic decoration suite is free for them including a breakfast for two people the following morning. Another amazing thing is that Four Seasons Hotel Shanghai provides the newlywed a gift certificate to celebrate their first anniversary in a restaurant at the hotel chosen by themselves. Anyway, Four Seasons Hotel Shanghai offers various packages for different target markets to satisfy their needs. Discount To attract more guests, discount is the way most direct and acceptable. But it is different from other hotels that Four Seasons Hotel Shanghai nearly never use discount to promote their products even in the off season. As Mr. Wang said, Four Season Hotels and Resorts is one of the most luxury and famous hotel brands in the world and target markets for them are the leaders of business and political circles and super stars but not the middle class or less level. The low price is not the primary reason for their target markets to make their choice cause they do not want to see so many middle class or less level people around them in the hotel. Instead, no discount is another way to attract more high level people. And for Four Seasons, there are actually some things more important than revenue like the reputation and loyalty of target market. Conclusion The report explained some information which is necessary to know for Four Season Hotel Shanghai. As a world class hotel, Four Season Hotel Shanghai has gained high reputation since it was built . To maintain the status and revenue level, promoting the products from various channels and ways to improve and expand public relations and strengthen the products’ promotion is very important for the future development of Four Season Hotel Shanghai. Although its reputation have covered all over world, it must keep working hard on marketing in order to attract and retain the guests. Moreover, doing the programs for public good and communicating with guests are very ideal promotional tools also are useful to improve favorable image for Four Seasons Hotel Shanghai. Reference Cultural China.com. (2008). Four Seasons Hotel [online]. Available at: . [Last accessed on 12.03.2012] Four Seasons Hotels and Resorts. (2012). Four Seasons Hotel Shanghai [online]. Available at: . [Last accessed on 12.03.2012] Hotel News. (2011). Four Seasons Hotel Shanghai Participates in 10 Million Trees Campaign [online]. Available at: . [Last accessed on 13.03.2012] Sohu Weibo. (2012). Four Seasons Hotel Shanghai [online]. Available at: . [Last accessed on 13.03.2012] Nolo.com. (2012). Define a Target Market for Your Business [online]. Available at: . [Last accessed on 14.03.2012] Wikipedia.org (2012). Online Advertising [online]. Available at: . [Last accessed on 14.03.2012] Mark A. Rosso & Bernard J. Jansen, 2010, ‘ Brand Names as Keywords in Sponsored Search Advertising’, CAIS, vol.27. Rocco M. Angelo & Andrew N. Vladimir, 2011, Hospitality Today. 7th Edition, AH&LA. Philip Kotler, John T. Bowen & James C. Makens, 2010, Marketing for Hospitality and Tourism. 5th Edition, Pearson. Ninemeier, J, 2005, Management of Food and Beverage Operations. 5th Edition, AH&LA. John Wilmshurst & Adrian Mackay, 2002, The Fundamentals and Practice of Marketing. 4th Edition. Woburn, MA, Butterworth. 4th Edition, Butterworth – Heinemann.

Global Prevalence Of Hypertension Health And Social Care Essay

High blood pressure is a major contributing factor for cardiovascular disease. WHO report ( 2002 ) showed that India may be the largest cardiovascular disease load in the universe by the twelvemonth 2020. WHO report in India 2005 stated that prevalence of high blood pressure was increased by approximately 30 times among urban community people and by approximately 10 times among the rural community people. Many causes might hold contributed to this lifting tendency such as lifestyle alteration, alteration in diet and stress, increased population and unemployment have been implicated. High blood pressure is a â€Å" ignored disease, † harmonizing to a study released by the Institute of Medicine ( IOM ) . Despite high blood force per unit area being the cause of decease in one of six grownups and the greatest individual hazard factor for decease from cardiovascular disease, 1000000s of people are developing, populating with, and deceasing from high blood pressure. The decennary from 1995 to 2005 saw a 25 % addition in the decease rate from high blood force per unit area, the study notes. The Institute of Medicine study besides highlighted the fiscal barriers to take downing blood force per unit area. Surveies have shown that the cost of medicines to patients is significantly related to patient attachment ; this is particularly apparent in patients with low income, chronic unwellness, and multiple prescriptions. Kalavathy et al. , ( 2000 ) High blood pressure is one of the major community wellness job in India. This one found from several Indian urban and rural studies. More surveies shows a prevalence rate of high blood pressure among urban population runing from 1 % in 1949 to 36 % in 2003 and for rural people from 1.97 % in 1958 to 20.2 % in 1994. Determining the degree of high blood pressure and besides differing age groups representing the survey population so the rates are different. Developed states with a more aging group will be expected to hold a higher prevalence of high blood pressure than a underdeveloped state with a younger group such as India, but some surveies, which have documented a high prevalence rate of high blood pressure in developing states. Few late conducted studies from Western India shows high prevalence of systolic high blood pressure at old age groups ( bulk in age group of 70 old ages ) , among Kerallite 51.8 % from South India and Assamese 63.63 % .Every twelvemonth about 5.3 hundred thousand Indians dice of high blood pressure related coronary disease. It has been found from in a survey Northen india that the incidence of high blood pressure increased from 3.98 % in 1963 to 26.78 % in 2000 among work forces while the incidence of high blood pressure increased from 6.67 % to 27.65 % among adult females. Systolic high blood pressure has been considered to be one of the most of import causes of morbidity and mortality taking to major diseases like shot, cardiovascular and nephritic diseases. Urban survey in India had shown a more per centum of population in the pre high blood pressure phase. Excess competition in academic field is one of the emphasis for the younger people in India and besides unemployment. Number of surveies have already explained that the relationship between Blood force per unit area and hazard of bosom diseases. Pre hypertensives have more opportunity to travel into phases of high blood pressure. Hence it is besides possible that the immature stressed people with prehypertensives degree of blood force per unit areas may be at hazard factor to develop bosom diseases. This survey accent on two demands such as sleep and command blood force per unit area. Adequate slumber is indispensable demands for human existences.The human being needs remainder & A ; slumber to conserve energy and good being, prevent weariness, supply organ to reprieve and alleviate tenseness. Sleep want consequence in a lessening in organic structure temperature, a lessening in immune system map. If sleep continues over a longer clip it increases the hazard of more serious wellness jobs such as weakened immune system, diabetes mellitus, depression, high blood force per unit area and fleshiness. There are place remedial steps to better slumber such as utilizing comfort devices, devouring warm milk, reading narrative book and by supplying good airing.Non pharmacological intercessions to take down blood force per unit areaThere is turning grounds that non pharmacological intercessions lower high blood force per unit area. These intercessions are non dearly-won and are by and large good in advancing good wellness. They besides help in cut downing the cardiovascular hazard factors with a small cost. ( Joyce M. Black ) Indian Medical Association 2001 study â€Å" In pull offing high blood pressure, antihypertensive drugs have of import function, but focal point may be directed towards some lifestyle alterations † . Dietary alteration, physical activities may act upon the minimize of Blood force per unit area. Body weight decrease, less alcohol consumption, limitation of salt and besides K, Ca supplementation can better the procedure of take downing Blood force per unit area. Fiber rich diet either and low Na could cut down the Blood force per unit area by about 5 millimeters Hg among high blood pressure clients. Other than this, behavioural alterations like halt smoke, regular exercisings, relaxation therapies like yoga, etc, have good consequence on high blood pressure clients. The consequence of lifestyle alterations may forestall a demand of drug direction for high blood pressure. For this all hypertensive clients should be tried ab initio one or more of the lifestyle alterations. Gupta 1997 recommends progressive relaxation, deep external respiration exercising and yoga may assist to cut down the blood force per unit area. TK Luqman -Arafath study 2002 shows that the mortality rate from both Ishemic bosom disease and stroke doubles while every 20 mmHg systolic or 10 mmHg diastolic rise in Blood force per unit area. In fact, even minimal decrease in Blood force per unit area among the general population could decidedly cut down cardiovascular events. For illustration, a 3 mmHg decrease in systolic Blood force per unit area would take to an 8 % decrease in stroke mortality rate and a 5 % decrease in mortality rate due to coronary arteria disease. There has been increasing of import gives to the preventative steps like regular exercisings, express joying combined with speculation, less ingestion of intoxicant, cut down the consumption of Na and the Dietary alterations to take down the Hypertension rate. Many literatures reveal that laughter therapy helps in cut downing the blood force per unit area. Laughter promises a utile attack to intervention of high blood pressure. Systematic instruction of laughter therapy exert a positive influence on a client with hypertensive reduces blood force per unit area.The Benefits of laughter therapyLaughter therapy is an first-class type of exercising.The laughter therapy has three types, in the first type, one laughs freely and aloud with unfastened oral cavity, in the 2nd type, one laughs without any sound with closed oral cavity and in the 3rd type, one pours out loud effusions of laughter through the pharynx like neighing of Equus caballus. A figure of research surveies reveals that laughter has many wellness benefits. During the thirteenth century Surgeons used wit to deflect patients from hurting entirely. Later, in the twentieth century, came the scientific survey of the consequence of laughter on overall wellness. Harmonizing to Kay Herth ( 1984 ) laughter as a emphasis fellow. Laughter has a built in equilibrating mechanism that encourages two measure action of stimulation and relaxation due to let go of of chemicals adrenaline and nor epinephrine. This reduces anxiousness, tenseness and depression. Therefore, it helps in extenuating several serious diseases such as high blood pressure, bosom disease, diabetes, anxiousness, insomnia etc. Fry states that laughter is a good aerobic exercising. He says that 100 laugh a twenty-four hours is equal to 10 proceedingss rowing or jogging. Berk, Tan, Fry et Al ( 1997 ) reported drawn-out emphasis creates unhealthy physiological alterations and Stress causes the adrenal secretory organs to let go of corticoids and emphasis endocrine alterations during gay laughter. In a survey at Canada ‘s University of Waterloo documented that laughter additions degree of immunoglobulin IgG and IgM and concludes that laughter consequences in improved unsusceptibility. Cognetal ( diary of behavior medical specialty ( 1997 ) has reported the ability of laughter to let go of musculus tenseness and helps to let go of neuropeptides which are organic structure ‘s natural hurting stamp downing agents. Therefore, laughter has multi drawn-out attack for the alleviation of hurting, in painful conditions such as arthritis, spondylitis, etc. Lloyd ( 1990 ) showed that laughter is a combination of deep inspiration and full halitus animating first-class airing and fantastic remainder.Thus laughter additions lung capacity and oxygenation.This would profit patients with lung diseases such as bronchitis, bronchial asthma. The findings of Dr.Lee Berk and Dr.Stanle ( 1999 ) during their more than 10 old ages research on laughter addition the figure of ‘activated ‘ T cells and increases the degrees of gamma interferon, a lymphokine that activates many immune constituents.Need FOR THE STUDYCoronary events such as a â€Å" bosom onslaught † are still the most common consequence of high blood pressure. Increased blood force per unit area is related to increased badness of coronary artery disease, shot, neuropathy, peripheral vascular diseases, aortal aneurism, and bosom failure. About all people with bosom failure have antecedent high blood pressure. If high blood pressure is left untreated, about half of hypertensive clients will decease of bosom disease, a 3rd will decease of shot, and the staying 10 % to 15 % will decease of a nephritic failure. High blood pressure is besides a â€Å" soundless factor † in the etiology of many deceases attributed to stroke or bosom onslaughts. These upseting tendencies indicate the demand for renewed energy in the conflict against high blood pressure. Hypertension related morbidity and mortality will non diminish until suppliers appreciate the demand for alterations in bing intervention protocols.Now chiefly bar focused and strongly urge usage of non pharmaceutical steps to forestall and handle high blood pressure. ( Joyce m.black, 2001 ) Harmonizing to Indian Express Bureau ( 2004 ) one in every 10 Indian suffer from high blood force per unit area.Now a yearss antihypertensive drugs are available to command blood force per unit area.These drugs have their ain side effects and are expensive. Non conformity to medicine is really common among hypertensive patients due to assorted grounds. Antihypertensive medicines entirely can non command blood force per unit area, physiological relaxation is really of import for keeping blood force per unit area. The research worker observed that most of the hypertensive patients had unequal cognition about significance, hazard factors, marks and symptoms sing high blood pressure and its related complications. The hypertensive patients do non follow the non pharmacological steps like exercising, emphasis cut downing activities like yoga and turning away of diet which contains more cholesterin. These patterns are non adopted by bulk of the patients largely because of unknowingness and deficiency of accent by the wellness suppliers. Sushil Bhatia, the editor of Lorvani ( 2004 ) , province that express joying combined with speculation, harmonises all our sense organs in a minute of entire concentration and brings equilibrium to mind, organic structure and external respiration which are like three bases of a rope. Peoples utilizing this therapy experience dramatic alleviation from upsets such as depression, migrane and high blood pressure. American Journal of Medical Science reported that emphasis endocrine alterations during gay laughter. The research worker during her clinical exposure in the community has observed that many older people are enduring from high blood pressure. Some hypertensive people are taking medicines, some are non taking medicine on a regular basis. Those hypertensive patients do non follow the non pharmacological steps like exercising and speculation. Based on the information showed on prevalence of high blood pressure, research worker recognized the demand for learning laughter therapy to the hypertensive people in this selected rural community. Therefore this survey was undertaken to measure the consequence of laughter therapy on blood force per unit area and slumber among patients with high blood pressure.STATEMENT OF THE PROBLEMA survey to measure the consequence of laughter therapy on blood force per unit area and slumber among patients with high blood pressure in a selected rural community at Coimbatore.AIM OF THE STUDYThe chief purpose of the survey is to find whether laughter therapy mak es a important difference in blood force per unit area and slumber among hypertensive patients in comparing with the non receiving systems of laughter therapy.Specific OBJECTIVESThe specific aims of the survey are 1. To find the degree of blood force per unit area in the experimental and control group before and after laughter therapy. 2. To find quality of slumber reported by the sample in the experimental and control group before and after laughter therapy. 3. To find the association of blood force per unit area and slumber with demographic variables such as business, exercising and diet.HypothesisH1: There will be important difference in average systolic and diastolic blood force per unit area before and after intercession in experimental group. H2: There will be important difference in average systolic and diastolic blood force per unit area of the experimental and control group after intercession. H3: There will be important difference in average mark of slumber before and after intercession in experimental group. H4: There will be important difference in average sleep mark of the experimental and control group after intercession.OPERATIONAL DEFINITION1. Blood force per unit areaIt refers to the force per unit area of the blood within the arterias of the organic structure.When the ventricle of bosom contracts, blood is forced out into the aorta and travels through the largest arterias to the smallest arterias, arteriolas and capillaries. The pulsing extends from the bosom through the arterias and disappears in the arteriolas. The pulsing is measured by utilizing a sphygmomanometer and is expressed in millimeter of Hg.a ) Systolic blood force per unit areaIt is the maximal grade of force per unit area exerted by the blood against the wall of the blood vass during the ventricular contraction when the left ventricle is coercing the blood into the aorta. The first sound is called systolic blood force per unit area.B ) Diastolic blood force per unit areaThis is the lowest force per unit area that o ccurs when the bosom is in the resting period merely before the contraction of the left ventricle. The 2nd sound is called diastolic blood force per unit area.2. High blood pressureIt is defined as relentless lift of the systolic blood force per unit area and diastolic blood force per unit area from the normal degree. Normal blood force per unit area: 120/80 millimeter of Hg.3 STAGES OF HYPERTENSIONSystolic blood force per unit area Diastolic blood force per unit area Level of blood120 – 139mm of Hg. 80 – 89 millimeter of Hg pre high blood pressure 140 – 159 millimeter of Hg 90 – 99 millimeter of Hg phase I hypertension & gt ; 160 millimeter of Hg & gt ; 100 millimeter of Hg phase II high blood pressure3. SleepSleep is a province of remainder in which the nervous system is inactive, the eyes are closed, the musculuss are relaxed and the head is unconscious. The features of slumber can be verbalized by the individual who experiences the slumber. In this survey the self study of slumber is measured on a sleep graduated table.4. LAUGHTER THERAPYThe laughter therapy is an first-class type of exercising which control blood force per unit area by cut downing the release of emphasis related endocrines and brings about relaxation.Premise1. High blood pressure is more common among grownups than adolescent age group. 2. Blood force per unit area can be kept in control by medicine and lifestyle alteration. 3. Laughter could give alleviation from physical or mental emphasiss.Boundary line1. The survey is limited to one community. 2. The survey is delimited to patients within the age group of 40 to 60 old ages.Scope OF THE STUDYThe degrees of blood force per unit area and slumber are measured in hypertensive patients before and after intervention.If there is a important decrease in the blood force per unit area and positive result in the features of slumber of experimental group of sample, it is a clear effectivity of laughter therapy. Teaching laughter therapy is simple and it can be practiced easy. If the topics are able to execute this therapy without any trouble, this intercession is acceptable, it is clear indicant of the public-service corporation value of laughter therapy for hypertensive patients.The findings will be good to wellness patterns to actuate hypertensive patients and patients on antihypertensive drugs to command and keep their blood force per unit area at normal degree.CONCEPTUAL FRAMEWORKA conceptual theoretical account can be defined as a set of constructs and those premises that integrat e them into a meaningful constellation ( Fewett,1980 ) . The development of a construct was theoretical account is a cardinal procedure required before carry oning existent research.The model influences each province of research procedure. The conceptual model in nursing research can assist to supply a clear concise thought of cognition in the country. Conceptual frame work for this survey was a nursing procedure theoretical account based on Dorothy.E.Johnson ‘s behavioral system theory ( 1980 ) . Harmonizing to Johnson, nursing positions the person as a set of interrelated or mutualist parts working as an incorporate whole. Johnson identified seven subsystems. The subsystems are affliative, aggressive, dependence, eliminative, ingestive, renewing, and sexual. These subsystems carry out particular map for the system as a whole. Disturbance in any of the system normally affects the other. The stairss of the nursing procedure are incorporated with the Dorothy E. Johnson ‘s theoretical account. Nursing procedure is a deliberate activity where the pattern of nursing is performed in a systematic order. Johnson presents a three measure nursing procedure, the stairss are entitled nursing diagnosing which parallel the appraisal and diagnosing stage, the 2nd measure nursing end peers to the execution and 3rd measure is rating. This survey focused on kids and the dependence system which is one among the subsystems which result in blessing, attending, acknowledgment, and physical a id.AppraisalAppraisal is the procedure of roll uping informations sing each subsystem. Data on demographic profile ( age, instruction, business, income, nutrient and exercising wonts, history of antihypertensive medicines ) was collected.DiagnosisThrough appraisal from the subsystem jobs are identified and diagnosing is made and it provides footing for nursing intercession. In this survey the informations collected through observation of blood force per unit area and utilizing interview agenda. The diagnosing is made and categorized into prehypertension, phase I hypertension and stage II high blood pressure.Nursing endsAfter diagnosing is made the end is to keep or reconstruct the individual ‘s behaviour system balance, and stableness through planning intercessions. In this survey the end is to cut down blood force per unit area and to advance slumber.InterventionNursing activity is an external regulative force assists the individual to recover equilibrium. In this survey the nursing activity is to learn the laughter therapy techniques to the experimental group for a period of clip to convey alteration in the blood force per unit area and slumber.EvaluationEvaluation refers to look intoing the subsystem identified as debatable for balance and overall system stableness. In this survey the research worker compared the experimental group with the control group by utilizing the observation of blood force per unit area and self report quality of slumber given by sample. Figure -1 Highlights the conceptual model on modified nursing procedure based on Dorothy E. Johnson Behavioural System Model. Bellert, ( 1989 ) . Wit: A Curative Approach in Oncology Nursing. † Cancer Nursing,65-70. Brooks et.al. ( 1999 ) . Curative Humor.International Journal of Humor Research, 151-160. Buckwalter et.al. ( 1995 ) . The Humor and Individuality of Persons with high blood pressure. Journal of Gerontology Nursing,11-16. Erdman and Lynn. ( 1993 ) . Laughter Therapy for Patients with Cancer. Journal of Psychosocial Oncology, 55-67. Ferguson, Stephanie, et. Al. ( 1989 ) . Wit in Nursing. Journal of Psychosocial Nursing, 29-34. Galloway. ( 1999 ) . Benefits of Humor.International Journal of Humor Research, 301-314. Mallett and Jane. ( 1993 ) . Use of Humor and Laughter in Patient Care. † British Journal of Nursing,172-175. Matz and A. Brown ( 1998 ) , â€Å" Humor and Pain Management. † Journal of Holistic Nursing. : 68-75.ONLINE REFERENCEEnda junkins ( 2007 ) .The power of laughter retrieved from hypertext transfer protocol: //laughter therapy.webs.com. Gita Suraj Narayan ( 2009 ) .Laughter is a powerful signifier of complementary Medicinretrievedfrom hypertext transfer protocol: //www.medicalnewstoday.com/articles/146449.php Gasto, R.Lack of slumber linked to increased hazard of high blood pressure.Archives of geriatrics and geriatrics:30 ( 1 ) :7-15.Retrieved from hypertext transfer protocol: //www.medscape.com. John, tungsten ( 2004 ) .Non-pharmacological intercession of high blood pressure retrieved from hypertext transfer protocol: //www.science direct.com/science. Kazuo Murakami ( 2001 ) .Laughter therapy retrieved from hypertext transfer protocol: //copperwiki.org. Kazuo Murakami ( 2001 ) Laughter Cuts Health Costs retrieved from hypertext transfer protocol: //www.averagemiracles.org.

Personal reflection paper Term Example | Topics and Well Written Essays - 1500 words

Personal reflection - Term Paper Example Studying deeply about leadership skills and characteristic allow a person to transform into a dynamic personality with a solid business goal. The learning course which I have studied has all the elaborate information on the qualities one need to imbibe to promote their leadership status. According to (Murthy,2005)â€Å"A leader is an agent of change, and progress is about change. Leadership is about raising the aspirations of followers and enthusing people with a desire to reach for the stars†. A leader is a person who possesses a unique quality indifferent from others. The information that I have collected during my study about leadership will enable me to grow as a strong leader in future. The understanding of leadership qualities and characteristic is essential for an individual to transform into a dynamic leader .A true leader is evolved after passing through much positive and negative experiences. Here, the learning of the course material has provided me with enormous information and suggestion about the way in which, I can upgrade my mental and physical capacities. I believe that understanding the issue related to the individual differences and uniqueness of my personality goes a long way in acknowledging my personal strength and weaknesses. I have been studying the different personality like Type A and B which has the ability to teach a person the category of personality type he fall into .As I categorized my personality; I acquired a basic foundation on which I can built my leadership personality. Moreover, the personality test like Myers Brigg test and HPI has the core potentiality to educate a person about his natural skills and versatility. Being a leader is not an easy task, for this one must have the enormous quality to manipulate one’s emotional behavior. This is where the Emotional intelligence which I studied will come into play. Emotional

Runaway Jury Movie Review Example | Topics and Well Written Essays - 2000 words

Runaway Jury - Movie Review Example These individuals conduct a selection of jury-centered research programs designed to gather opinions, value-beliefs, and terminology that must be addressed during litigation. To do so they are not above using "reverse engineering" to assure the desired outcome. (Jury Research DOAR) The process is one used in trials, frequently high profile ones. The idea is to choose a jury that favors your party in the litigation. While it is illegal to tamper with a jury, the process of jury selection is designed (supposedly) to provide both sides a fair and equal decision and to deny some jurors the right to serve on a jury based on bias. Reverse engineering takes this a step or two further. In the initial process prospective jurors are investigated, and decisions made as to which would most likely give a favorable verdict. Included in that analysis is an evaluation as to which jurors the other party might reject. From there the trial is "engineered" still more. Witnesses are interviewed and their answers to anticipated question are rehearsed until they become rote. Even emotional responses are practiced until the testimony becomes almost an act, as opposed to an honest and open response to questions. This is legal. It's also more likely to be seen on the side of a case that has more money to begin with, because this type of consulting is not cheap. Public defenders and district attorney offices are unlikely to have either the manpower or the money to utilize jury consultants to a widespread degree. Jury consulting is real, and a lucrative practice in conjunction with the practice of law. Consulting came into its own during the O.J. Simpson trial, when a consultant named Jo-Ellan Dimitrius picked the jury that found him not guilty. (Roberts) What does she do In her own words, "I almost act as a 13th juror I hear a case for the first time. I wanna know what the good is. I wanna know what the bad is, so that we can figure out a way to desensitize or neutralize the negative components." (Roberts) And her resume states: Dr. Dimitrius has not just conducted pre-trail research and picked juries, she has advised many Fortune 100 companies about how regular people - like those who would be on their juries - would respond to their witnesses, claims and defenses. She has addressed the credibility, motivation and general appearance of hundreds of witnesses. She has worked with hundreds of other witnesses - including actors, lawyers, CEO's and people from almost every walk of life - - to help prepare them for trial. (Dimitrius) And she is successful, very successful! As it states in her resume "Dr. Dimitrius has amassed an unparalleled track record in civil and criminal cases, including the selection of the jury which recently awarded $80 million to her client Frances Ford Coppola, in his lawsuit against Warner Bros., and just weeks later, picking the jury which awarded $223,400,000 in damages to her client in the Piscitelli v. Friedenberg, et al. case." (Dimitrius) The movie Runaway Jury does take this process of engineering to an extreme, and Hackman bends and even breaks the law at some points in an effort to achieve the desired outcome. He uses all the technology available to monitor possible jurors and expose their weaknesses, which he then exploits as the trial progresses. At the other end of the spectrum in this movie is the idealistic and honest attorney representing the plaintiff who is

Short Informal Report Essay Example | Topics and Well Written Essays - 500 words

Short Informal Report - Essay Example During the follow-up visits, I cemented a rapport with the exhibitor representatives and ensured that they received appropriate Indium Corporation literature. Most of the exhibitors were manufacturers of pharmaceuticals, veterinary drugs, agrochemicals, and other chemical products. Chemical products distributors were also well represented. Most manufacturers were interested in the poster since some chemicals that Indium manufactures are raw materials for these companies. A good percentage of the distributors also had an eye on our poster. In total, according to my judgment, about ten exhibitors had a particular interest in Indium Corporation products. Our representatives gave them the Indium Corporation brochure and mini-poster (with Sticker). Five of them received the full-size version of the poster. I told exhibitors that I would telephone them within two weeks for purposes of following up. Richard Harris, technical manager, Grand Saw Machine Company. The company is a distributor of industrial chemicals for metal cutting, maintenance, cleaning, corrosion protection, lubrication, laboratory chemicals, and machine wear reduction. Products include sawing fluids, brighteners, laboratory reactants, sawing fluids, and cleaners. Ronald Franklin, regional manager, Kinex Pharmaceuticals. The company makes pharmaceutical products such as immunology and anti-cancer therapeutics. They thus require starting as well as intermediate raw materials like anhydrous acetate, hydroxide hydrated, and sulfate. Brenda Stinson, General Manager, Dynasty Chemical Corporation. The company requires chemicals from the manufacturing industries in order to distribute to customers. Indium Corporation manufactures most of the chemicals that the distributor needs. The conference gave me an overall impression that that there is a growing market for industrial chemicals.

Evolution Term Paper Example | Topics and Well Written Essays - 2500 words

Evolution - Term Paper Example This is unlike many treatments of evolution where readers are often confused as a result of being conflated with different definitions of the term. The decision to divide â€Å"Darwinism† into six components makes the understanding of various concepts easy (Coyne, 2009). It is indeed true that, over time, allele rate of recurrence change in an inhabitants. It is also true that different organisms have occupied the earth at different times. The critical role of natural selection is in this is also an undisputed fact. Common ancestry is received positively by a majority within the scientific field (Coyne, 2009). My reflection on common descent is that while it is a defensible position, it is not as much supported as it is made out. Consequently, the points of concern in this chapter, in my view, include the extent to which gradualism is true and the sufficiency of natural selection. The second chapter of the book is ‘written in the rocks.’ It uses fossil evidence to justify common descent. It is indeed true that fossil records show a tendency where simpler organisms precede more complex ones. This is also exactly what one would anticipate as a result of a common origin (Coyne, 2009). A feature that would be absent in Darwin’s theory, but would be the noticeable pattern of morphological difference preceding diversity (Coyne, 2009). In my view, an interesting aspect of the fossil record is that, unlike Darwin’s theory, it ranks the higher taxonomic categories first and, consequently makes them appear first in the taxonomic ranking. There are three main evolutionary transition trends specified by the fossil record i.e. fish to amphibians evolution, reptiles to birds and whales to terrestrial mammals evolution (Coyne, 2009). Accordingly, there are three important insights that emerge from the fossil record. Firstly is that the fossil spells out the evolution process (Coyne, 2009). The records within rocks provide a great deal of

Customer Retention and Loyalty Essay Example | Topics and Well Written Essays - 1500 words

Customer Retention and Loyalty - Essay Example There are the few major factors that can give a slight glimpse on the behavior of customers in relation to the services.â€Å"Imitation strategies beyond a certain point can have harmful consequences for both firms and consumers. Two occasions for potential harm to firms occur when a consumer unknowingly purchases an imitator brand. First, the consumer may be dissatisfied with the product purchased and attribute his or her dissatisfaction to the original brand, never realizing that the brand consumed was an imitator. Second, the consumer may be satisfied with the imitator brand, become aware that it is not the original brand, and switch brand preferences in favor of the imitator brand†(Berger, Foxman, Muehling 170, Vol 24: 1990).This all is clearly showing what possible outcomes may take place. It is seriously distracting to the goals of the service provider where as the customers can also be in loss as it is quite fair to say that each and every financial service provider cha rges a lot for the service, however if the company is having some good reputation than due to a variety of customers, they take good care of services and also charge relatively lesser than many of the other service providers in the industry. Another problem is the repurchase of any particular service, such as people often change their leasing service providers after they pay the entire due, rather than buying the next product through the similar service providers they start looking for new and even better ones.... This all is clearly showing what possible outcomes may take place. It is seriously distracting to the goals of the service provider where as the customers can also be in loss as it is quite fair to say that each and every financial service provider charges a lot for the service, however if the company is having some good reputation than due to a variety of customers, they take good care of services and also charge relatively lesser than many of the other service providers in the industry. Another problem is the repurchase of any particular service, such as people often change their leasing service providers after they pay the entire due, rather than buying the next product through the similar service providers they start looking for new and even better ones, which at times they get successful in, as the newly entered firms have some courage to serve the clients and they keep their promise in the beginning of their existence, however they mostly get distracted later on, and in this wa y people make repurchases from the new service providers at least for a while. So these all factors are influencing consumer behavior. "The majority of consumer purchases are potential repeat purchases. With the exception of one-time purchases, consumers buy similar products repeatedly or make repeated purchases from similar sellers. Thus, the majority of purchases represent one in a series rather than an isolated event. Understanding of any current purchase must be based on an understanding of the influence of prior purchases on later purchases. Major questions are how often and under what circumstances consumers make another purchase of a product they have tried or purchase from a

The Endangered Species Act Essay Example | Topics and Well Written Essays - 750 words

The Endangered Species Act - Essay Example The word â€Å"extinction† even a few decades back was almost non-existent in the dictionary of a common man. The publication of Rachael Carson’s Silent Spring served as a stimulator. The ESA was a result of the realization of the importance of biological diversity and the need to protect the flora and fauna of the country. Prior to this Act a few acts such as the Lacy Act (1900) regulating wild creature trading and the Migratory Bird treaty Act (1918) had been implemented. In 1966, the congress passed the Endangered Species Preservation Act which was extremely weak and had several loopholes. Following the failure of this Act in 1969, the Endangered Species Conservation Act was passed which added more species to the previous list of endangered species. However there was an overall lack of scientific understanding of extinction and conservation plans. Therefore, to meet the growing demand for an Act which would be both scientific and powerful.Implementation of the succes sful implementation of the several provisions laid down in the ESA requires economic support while the act itself has several economic impacts. Firstly, the cost associated with the protection of a species consisting of critical habitat designation, listing process and implementation of recovery plan runs into several thousands of dollars. Some people are of the opinion that expenditure of millions of dollars on conservation could have been used for public programs. High priority action provisions account for almost $223 million.

Critical response to Z for Zachariah by Robert C. OBrien Essay Example for Free

Critical response to Z for Zachariah by Robert C. OBrien Essay The book I read is Z for Zachariah by Robert C. OBrien. I enjoyed this book because it contained few but excellent characters and is full of mystery and suspense. Z for Zachariah is about a sixteen-year-old girl, called Ann Burden who thinks she is the only person to survive a nuclear war. However, as her diary entries progress, you learn of a person in a green suit who is pulling what looks like a trailer covered with the same green material as the suit approaching Ann Burdens valley. Later in the diary you find out that the person is a man who had been an industrial chemist before the war, working for the Government designing a suit to protect people in the event of a nuclear explosion. His name is Mr Loomis and he is wearing the only one of these suits. When Mr Loomis finally arrives in the valley, he is amazed by the fact that there is water, which appears to be safe but Mr Loomis makes one severe mistake. When he checks the water for the level of radiation with his Geiger counter he in fact checks the clean water in the stream but then goes on to venture further down the valley, where he finds Ann Burdens home where the polluted Burden Creek is nearby. Once Mr Loomis has seen inside Anns house (where Ann has cleverly hidden any clues that could show the visitor that there has been people living there recently) he then proceeds towards Burden Creek in the hope of getting his first bath in probably months. However, not realising that the stream and Creek are not connected and in fact the Creek runs into the valley from over the hill where the pollution is, he jumps right in. Within a very short period of time after Mr Loomis has had his bath he became very ill, as he had been exposed to a lot of radiation. When Mr Loomis becomes sick Ann then realises she will have to help him and that is when she first shows herself. Anns diary entries take you through the events that happen when she is and is not in the company of Mr Loomis. My favourite part of the book is the first three diary entries. In these diary entries Mr Loomis has not yet arrived in the valley however Ann has seen smoke from over the hill for three days, which she presumes is from a human made fire because it is in a thin column that it rises. The smoke comes at the same time everyday, in late afternoon. Each afternoon the smoke is nearer to Anns home. I like this part of the book the most because in it you find out what it has been like for Ann being alone for so long because her family left her to look for other people and had never returned. It is interesting to read Anns thoughts of being excited and scared that she may in fact not be the only person left in the world. It is obvious why Ann would be excited about someone else coming into the valley but maybe not so clear why she would be scared. Ann is scared because after the nuclear explosion some radio stations had still broadcasted, but towards the end of them broadcasting the presenters seemed to be going crazy. Here is a quote from the second diary entry which will explain why Ann is scared Suppose a car came over the hill, and I ran out, and whoever was in it got out suppose he was crazy? Or suppose it was someone mean, or cruel, and brutal? A murderer? What could I do? After this quote, you realise that Ann is a very sensible and careful person because she decides to move her things to a cave nearby her home and make it look as though no one has lived in her house. That way she can watch whoever is coming into her valley and if they are crazy or mean she can stay in the cave unbeknown to the visitor and wait until they leave. At the end of the third diary entry Ann has still not seen anyone but knows that they are camping at the crossroads and exploring North, South, East, West and when they come into the South they will find Anns valley. The most remarkable character in the book I think is Ann Burden. She is careful, mature, kind, helpful, sensible, confused, and strategic/logical. In the following paragraph I will explain why Ann Burden is all of the things I have just said: The reason I think Ann is careful is because when Mr Loomis is first entering the valley she goes to the cave to live there as she does not know if Mr Loomis is safe. During the book Z for Zachariah you realise that in fact even though Ann is only sixteen she is more mature than Mr Loomis who is quite a bit older than Ann. The proof that shows this, is all of the words I am using to describe her and she also thinks about having children to begin the human-race again. The words kind, helpful and sensible describe Ann well because when Mr Loomis is ill with radiation poisoning she helps him and is kind to him even though hes a stranger. Also Ann still helps Mr Loomis after he tried to rape her she gives him half of everything i.e. eggs, milk and chicken and lets him have the comforts of her home while she moves into the cave. It is obvious that Ann is confused, as she does not know why Mr Loomis is being so horrible to her especially when she has done everything she can to be nice to him and to help him. The last words to describe Ann are strategic and logical; I think these words describe Ann well because when she does not want Mr Loomis to find her she thinks about what he can and cannot see e.g. when she builds a fire she thinks about where and how to build it so Mr Loomis cant see it she also thinks about what time of the day to light it. The style of Z for Zachariah is in diary form. Throughout the book there were not many figures of speech, however, there were a few similes, here is a quote from the book that describes Anns dog Faro when he has returned from the dead lands where there is radiation, in it there is a simile as thin as a skeleton. The structure of Z for Zachariah is in chronological order, each event happening in an order that makes sense and makes the story more intense and interesting. During the book, there is not much direct speech as the genre of the book is in diary form so it contains more of the thoughts and feelings of Ann Burden. The themes in the book are effects of modern technology, survival, dominance, bullying, age against youth, optimism/realism, breeding, art v science and religion v atheism. In the following sentences, I will discuss the themes that occur in Z for Zachariah. The first theme effects of modern technology is the theme that allowed the story to occur because nothing in the book would have happened had there not been a nuclear explosion. The themes of survival, dominance and age against youth are all linked together and are in a way very similar to each other. These three themes are perhaps the strongest and most occurring ones throughout the book, I will explain why: survival of course is going to be a major issue, Ann is the one who thinks about this the most having thought of growing her own crops, so when the supplies run out in the shop she will still have food to survive, and that is just one example. Throughout the book Mr Loomis tries to be the stereotypical Alpha male, he wants everything to be done his own way and to be done by him. For example when Ann said she would go into the town with the safe suit to collect books, even though Mr Loomis is still ill he refuses to let her go, perhaps thinking she is incapable or he could have been worried she wouldnt come back with the safe suit, although I think the first scenario is more likely. The only time Mr Loomis seemed to let Ann do things her way is when he could not do things for himself, however, he never admitted it. Age against youth is another strong theme as throughout the book you realise that Mr Loomis even though he is older he is not always wiser and more mature, in fact Ann is definitely the more mature of the two characters. Optimism and realism are two words that can explain Ann and Mr Loomis completely different personalities. Ann being the optimist who thinks that the results of an action will always be good and Mr Loomis being the realist he makes decisions based on facts and not on false hope. Throughout the book breeding is a theme, but more with Ann she thinks towards the future and beginning the human-race again. The theme of art v science is one that occurs throughout the book. As Ann is interested in art and Mr Loomis is interested in science, a few quarrels occur between them. However, quarrels is perhaps the wrong word because Mr Loomis always seemed to get his own way. Again, I will use the example of when Ann wanted to use the safe suit to collect some engineering and physics books for Mr Loomis; she also suggested that she get some for herself. Such as poetry. Yet Mr Loomis refused and said, You could not go. Understand that. Keep away from the suit. Never touch it. After Mr Loomis had given Ann his lecture, she could not understand why he had become so angry. It was alright if he wanted something but as soon as Ann wanted something to do with her interests, it was too much of a risk. Religion v atheism is a theme in the book. Ann being the religious one and Mr Loomis the atheist. I dont think Ann is strongly religious, I just think she finds going to the church and praying a comforting factor. Earlier I said Mr Loomis is an atheist. This means that he doesnt believe that any god or gods exist, therefore he does not understand why Ann would want to go to the church and waste her time praying. I enjoyed this book because there were few characters, which allowed you to get to know them better. I also liked the style of the book being in diary form because you didnt have to read the minute by minute accounts of what is happening in the book you only get to read the exciting and more intense parts which would be written in a diary. The thing that made the book a little boring was the fact that there werent many different figures of speech. The length I though was too long, some parts of the book seemed to be dragged out to give it a longer length, for example when Mr Loomis is sick the book got a little boring because in the diary entries you really were only told what Ann had did that day, there wasnt enough character interaction. One thing that I thought ruined the book was the ending, I thought it was exciting when you were told that there was hope that there could be other people still living and you wanted to keep reading and know if there was anyone else out there, but it just stopped. Taking the entire book into account my opinion is that it is quite good as I think it gives a good insight into what could happen if there is a nuclear explosion it is realistic.

Foreign Direct Investment (Fdi)

Foreign Direct Investment (Fdi)   Ã‚  Ã‚  Ã‚  Investment done by a foreign individual or company in productive capability of another country is what is meant by foreign investment. It is the movement of capital from the national border in such a way tat it grants the investor the total authority over the acquired asset. FDI generally transfers both physical capital and intangible assets such as technology among nations. As per standard growth theories, the major factors driving economic growth are capital accumulation and technological innovation. Foreign direct investment plays a major role in the economic development of the host nation. It acts as a launching pad to the economic, social, infrastructural, technological developments of many host countries. This is an age of globalised world economy and foreign direct investment is the major driving force behind the interdependence of national economies.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  FDI has a major role in taking the economy of the host country far ahead. The economically developing as well as the underdeveloped countries are dependent on the economically developed countries for financial assistance which would help them to achieve some financial stability. For the last twenty years any form of foreign direct investment has gained in a lot of capital knowledge and technological resources into the economy of a country.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Foreign direct investment is an essential and unavoidable part of national developmental plans. There are many positive aspects for FDI for which it is welcomed by all nations globally. It has become an integral tool for triggering economic growth for nations all over. FDI is well versed in utilizing human resource in the most effective way as a result of which high productivity is obtained. Foreign direct investment has gained popularity worldwide.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Though most of the FDI flows is mainly based in the developed nations, it is very much crucial for developing countries as well (refer figure 1). As per the figure between 1990-2000 the aggregate wealth of the developing nations nearly became four times and its total trade volume shot over five folds, FDI flowing into the developing countries grew to18 times. Because of private direct investments, the involvement of developing countries in the global production network increased considerably.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Foreign direct investment made drastic changes in the economy of the host country. The infrastructure of the host country increased considerably. Technological development was also made possible. The living standard of the common people of the host country also improved due to foreign direct investment. FDI turned as a boon to the host country as the growth and development made by it was splendid as it not only improved the economic conditions of the nation, it also could improve the social conditions. Again the health sector of the host country could also develop because of foreign direct investment. Types of FDI:   Ã‚  Ã‚  Ã‚  Ã‚  Foreign direct investment can be classified into two types. They are Greenfield investment and Mergers and Acquisition. Greenfield investment   Ã‚  Ã‚  Ã‚  Ã‚  Direct investment by a foreign company or individual in new venture or expanding by constructing new facilities in the existing territories in the host country is known as green field investment. This type of FDI is done in developing countries like India where multinational companies build new organizations. Foreign companies even hire employees from the host countries there by creating job opportunities. Developing nations gives captivating offers like tax-breaks, subsidies and incentives to the foreign companies in order to attract them. Losing corporate tax is negligible when compared to advantages to FDI.   Ã‚  Ã‚  Ã‚  Ã‚  Benefits of Greenfield investment are several. In sourcing is done there by increasing employment opportunities .Also employees are paid more than those working in domestic firms. Foreign countries invest in Research and development as a result of which the technology of the host country increases .Knowledge is imparted to the disadvantaged sections also. They go on expanding business by putting in more capital investments. Nations human capital gets utilized there by boosting up economy. Mergers and Acquisition:   Ã‚  Ã‚  Ã‚  It is a primary type of foreign direct investment.   Ã‚  Ã‚  Ã‚  Ã‚  Mergers and Acquisitions take place when transfer of existing assets from a local firm to foreign firm is done. There are no long term benefits to the local economy. When control over assets and operations are transferred from host to foreign company, cross border acquisition takes place. When assets and operations from different nations are made to a single new legal entity, cross border merger takes place. Forbidden Territories:   Ã‚  Ã‚  Ã‚  Ã‚  Foreign direct investment is not allowed in all sectors. In India it is restricted to certain areas such as Arms and ammunition, Atomic Energy, Railway Transport, Coal and lignite, mining of iron, manganese, chromium, gypsum, sulfur, gold, diamonds, copper, zinc etc. Certain other sectors may be restricted in other countries for FDI. Policies to promote economic development   Ã‚  Ã‚  Ã‚  Ã‚  Several studies have been conducted regarding foreign direct investment and economic development. The results obtained from the studies were rather conflicting and not reliable. Some studies proved that the economic development in the host countries were only momentary. Certain studies show that there is no such effect. The linkage between the development and FBI is found confusing and the results differ for each country. Some studies find that there are benefits. As a consequence of foreign investment employees enjoyed greater salary that those working in the domestic field. Some did not study this benefit.   Ã‚  Ã‚  Ã‚  Ã‚  Policies which I would recommend a host country government to adopt towards foreign investors in order to promote economic development are as follows.   Ã‚  Ã‚  Ã‚  Ã‚  Foreign investments are really an integral part of economic development of a host nation, particularly economically developing and economically under developed nations. So a host government should attract foreign direct investors to the country if they believe the project would bring positive outputs. For that the host government has to give interesting incentives, subsidies, tax cuts etc. There is large competition among nations to bring foreign investors home so that their country could develop in all terms. The host government has to prove the foreign investors correct too in order to bring more investments in the particular field and also as a result of which they make their mind to invest in other sectors also. The host country authorities can give training to both workers and managers; technological training so that foreign investors get attracted as there is supply of human resources. By adopting these methods if that particular investor succeeds, that succ ess will prompt another investor to the host country.   Ã‚  Ã‚  Spillover benefits do exist, but not globally. Mainly those benefits are enjoyed by economically developing and under developed host nations. Every host country differs in its economy, human resource, technological advancements, educational quality, competition and its policies towards foreign direct investment (FDI).

Advantages and Disadvantages of Ambient Occlusion Shader

Advantages and Disadvantages of Ambient Occlusion Shader This dissertation is to simplify the ambient light in contact shadow using Maya embedded language (MEL) which can be useful for all lighting artists to get a global illumination effect in simple steps and to reduce process of render time and they can connect and disconnect the ambient shader and adjust using GUI (graphical user inter phase) all the buttons will be in GUI itself. These are simple techniques but if one needs the old fashioned moves he’s got to go to the control set up tools. But these are simplified here and all can be achieved in simple clicks which is easy to navigate. All actions present in the GUI area all are present in my interface and one reason its better as its simple. This has been focused in a manner to anticipate all professional or not its easy to all. This helps all and even helps to navigate better through the GUI controls better. Chapter 1 INTRODUCTION Ambient Occlusion is a lighting technique that which is used to cast shadows on objects. This is a technique used in lighting which is misunderstood as this method casts shadows on objects where light does not reach. This method gives out a good render to the object with normal modes in the output. Ambient occlusion creates or casts soft shadows around the object which gives out a molded look. In technical terms ambient occlusion is a global illumination method and is commonly referred to as a cheap trick for alternative method of global lighting method. To be more specific in answering the above is each person has his means of working and all processes differ from one another. This is where ambient occlusion comes into being as some calculate the intensity of the light setup for every work file but most don’t and the best way to overcome is to use ambient occlusion where this does all the calculation and gives a better quality render more than we can accept. On aspects to other global illumination methods ambient occlusion does calculate in it manner but regarding other properties in the scene file. Where it has to go according to all shapes in the scene file to calculate the light setup to generate a global light effect which seems less complex than the regular lighting aspect in the software. This specialty makes ambient occlusion very well accepted among game developers and level designers and in various levels of production animation. Here I am going to simplify the Ambient Occlusion shader to get ambient light in all contacted shadows. Connecting the ambient occlusion to all the shader is a big process as we have a number of shader in a single scene file. I am going to develop a separate user interface in Maya for the user to manipulate my tools. By using my tools all the shader can be connected to the ambient shader with the single click and also can disconnect all the ambient shader in a single click. 1.1.AIM To simplify the ambient light in contact shadows using Maya embedded language (MEL) 1.2.OBJECTIVES Study the advantages and disadvantages of ambient occlusion shader To study about the real world light properties To implement natural lights using software Developing a MEL for simplifying ambient occlusion shader Developing an user interface in Maya for user to manipulate the tool(GUI) 1.3.STATEMENTS OF THE PROBLEM To connecting the ambient occlusion shader to all the other shader is a big process if there is number of shader are available in single scene file 1.4.RESEARCH QUESTIONS What is ambient occlusion? What r the different techniques for creating indirect lighting How shadows variation in time what are the advantages and disadvantages in ambient occlusion texture How to simplify the ambient occlusion texture node 1.5.SIGNIFICANCE OF STUDY When we are connecting ambient occlusion texture to number of shader most of them are facing the problem like connecting with shader one by one some time we may miss some shader while connecting and also it will take time to connect to lot of shader Here am going to do this dissertation for solving these problems. Here I am going to simplify the ambient occlusion texture by MEL script 1.6.Hypothesis The hypothesis of this project is to simplify the ambient occlusion texture using Maya embedded language (MEL) Chapter 2 Literature Review 2.1.Literature: Mastering Maya 2009 Eric Keller, Eric Allen and Anthony Honn 2009 This book speaks about how ambient occlusion forms form indirect light rays and ambient occlusion effect can bring from Final Gathering and it will take more render time when u create in Final Gathering The above information help to get some knowledge and information about ambient occlusion. 2.2.Literature: Mental ray for Maya 3ds max and XSI Livny Boaz Ambient occlusion adding realism and produce more details in the output and render will be fast when we compare to Final gathering and Globule illumination how ambient occlusion works and explain detail about ambient occlusion attribute and also tell about what are the different between occlusion and ambient occlusion 2.3.Literature: Introducing Maya 2011 Dariush Derakhshani We can take ambient occlusion as separate render pass that to help add more depth in models and later we can adjust in compositing. Ambient occlusion give great contact shadows 2.4.Literature: Maya Visual Effects: the innovator’s guide Eric Keller Ambient occlusion is the easy and quick way to get Global illumination and tell how ambient occlusion note works in texture. Ambient occlusion produce soft shadows as like real world. when two models are placed near certain amount of light will be block and u will get soft shadows at the corner of the object 2.5.Literature: Rendering with Mental ray 3Ds Max Joep Van Der Steen There are different types of shadow in 3ds max like normal 3ds max shadows and ray trace shadows .but normal shadows wont work in mental ray. If u need to get accurate shadows go for ray trace but render time will be increases when compare to normal shadows. Bounce light gives u realistically feel as like real life lighting. In real life light wont stop travel when its hits the ground it will hit and bounce for certain distance till its die and ambient occlusion also the one form of creating bounce light or indirect lighting for the scene but ambient occlusion wont be physically correct lighting when compare to FG(Final Gathering ) and GI (Globule illumination ). Ambient occlusion give reflective occlusion where we wont get in normal occlusion. 2.6.Literature: Writing Mental ray shader: perceptual Introduction Andy Kopra This book tells about how ambient occlusion rays are calculating in the scene and tell about how Technically ambient occlusion works in MEL scrip this book gives me clear idea how to develop my scrip in MEL 2.7.Literature: Rendering Techniques 2006 Tomas Akenine-Mà ¶ller   Ambient occlusion shadow produce form ambient light. Ambient light emits form all direction and produce soft shadows. Most of the production companies using ambient occlusion for lighting for time saving in lighting and rendering. 2.8.Literature: Maya: secrets of the pros John L. Kundert-Gibbs, Dariush Derakhshani Ambient occlusion techniques in production are used in two ways are backing of ambient occlusion texture and taking of ambient occlusion passes in render. In backing of ambient occlusion we cant tweak while compositing but In ambient occlusion render pass we can tweak and bring new effect in compositing. 2.9.DVD:Digital Tutors Mental Ray Nodes Library This Tutor helps me what are the uses of the ambient occlusion how to connect ambient occlusion texture node in shader and explain clearly about the Attribute Editor of ambient occlusion to get good output. Chapter3 METHODOLOGY This document consists of a quantitative and qualitative method by Survey and gathering information from Internet, Books, tutorials , articles, books, paper and videos. 3.1.POPULATION: The people who are suitable for this population is texturing artist, lighting artist, rendering artist. They were questioned regarding the ambient occlusion shader and its uses in production field. The population of this research work carries the production experienced person. 3.2.SAMPLING: Judgment Sampling 3.3.SCOPE AND LIMITATIONS: This research is limited to the ambient occlusion shader. Chapter 4 Lights in CG 4.1 Overview 4.2 Types of lighting Chapter 5 Indirect lighting in CG 5.1Introduction 5.2 Final Gathering (FG) and Global illumination (GI) Chapter6 Ambient occlusion 6.1 overview 6.2 How it works 6.3 Advantages of ambient occlusion Chapter 7 Rendering 7.1 Mental Ray rendering 7.2 occlusion render over mental ray Chapter 8 MEL 8.1 Introduction to MEL 8.2 Creating GUI Chapter 4 Lights in CG 4.1.Introduction Lightning in computer graphics (CG) is nothing but giving special effects to the scenes to improve the quality of animation. Lightings available for all kind of occasions, all we need to do is just adjust the parameters. Most of them will not give more importance for lighting while creating there images or animations. Lighting plays very important role in computer graphics (CG), we can easily find the talented and untalented person in computer graphics (CG) by looking at the light effects given in the image or animation .Though we already know something about lightings in photography, film and video. We are just trying to bring the reality to computer graphics (CG). Lighting is used for creating a 3D effect by differentiating the foreground from background or else we can combine both to create 2D effect. This effect (Lighting) is mainly used to impress the viewer. Lighting is the most powerful tool in the computer graphics because this is the only tool which makes the viewer to feel. If your lighting perfectly fits for your image or animation then the final output will be much good to impress the viewer. Lighting can be expressed in two ways by being illuminated and a process of illumination. Lighting is defined globally by means of object which can be visible through the source illuminant application. Bouncing off lights or shiny objects can be made by the manipulation of light. If natural light is unavailable artificial lights can be used instead. Lighting is used everywhere and anywhere. Light is never said to be the same because of its variability, so lighting also changes. The natural sun light that we see in day to day life varies in a short period of time but the quality does not vary. The term state of lighting could in term mean intensity, its direction, its texture and form. This means something emotional. lighting is also a process of purposeful planning and design in which the light is to illuminate in an object. When lighting is necessary, the ligh ting position and placement are to be in considering, once deciding the intensity. Lighting process also refers in analyzing the light quality as it strikes the subject. 4.1.ADDING LIGHT SOURCES: Adding lights to the scenes can be done in several ways and also different kinds of lights available in lighting effects. Some kind of lights are used to highlight the background, foreground, character etc., we must choose the light which is highly suitable for the cases so that the people could not able to find which effect is used. There are several types of adding lights effects available POINT(OMMIDERECTIONAL)LIGHTS SPOTLIGHTS DIRECTIONAL LIGHTS AREA LIGHTS Site accessed on 27th sep Pixel Cinematography: A Lighting Approach for Computer Graphics (SIGGRAPH 96 Course 30) SPHERICAL AREA LIGHTS FLAT AREA LIGHTS LINEAR LIGHTS MODELS SERVING AS LIGHTS 4.2.1POINT(OMMIDERECTIONAL)LIGHTS Point lights are also called as omni or omnidirectional lights, because it transmit in all directions, like any other lights e.g. bulb, sun etc The main thing in giving this effect is checking the shadows it should not spread in all directions. In real life, u can see more uniformly omnidirectional lights. Most of the times point lights are similar to real light bulbs for example, bulb lights spread allover the particular empty place, if a opaque thing (metal, wood etc.,) is kept in that place the shade will form behind that thing and side and size of the shade is depend on the location of the bulb. Though it is likely as omnidirectional we can spread it by using throw-pattern that is uneven. if you want to focus more light on some particular direction then you must do this action texture map to the light else by grouping the light with 3D object that produce shadows This light rays stimulated out from one infinitely small point in space, Its illumination and shadows passes out form the light in all direction. It is difficult to find a light which is uniformly omni directional in nature. Many light sources emit some amount of light in some directions. Uneven point lights can be used as a throw pattern, like a real bulb to emit more light in some direction rather than in other direction. This is done by applying a texture to the light or else by grouping the light with the 3d object which will cast shadows. 4.2.2.SPOTLIGHTS: Spotlights is the major light effect which is commonly used in computer graphics (CG).This light effect is used by major computer graphics (CG) specialist because it can be used to focus on a specific target. Spotlight is also similar to point light sometimes but it slightly differs in pointing the target there are some limitations for spotlights are it should not exceed.we can determine the focus aim by rotating the spotlight. You can also fix a target for your focus so that the focus will always on that particular target. Spot Lights are the most used light in the lighting design of computer graphics. Most of the popular artist prefer spotlights to light a scene because, this light can be controlled in any times to aim light at a selected target. The emition of spotlight is light radiation from a point, same as like the point light. The illumination in the spotlight is controlled through a cone angle or a beam of the light. The rotation of the spotlight will determine where the beam is aimed. Objects can also be linked to light to stay in the same orientation position. A spotlight has more controls and options which is not found in other type of lights, some options like projecting a image map from the light, creating fog, etc†¦ With the help of spotlight the falloff which is the softness of the cone, allows the intensity of light diminish more gradually in the edges of the beam. 4.2.3.Directional Lights Directional light is an infinity source of illumination from a distance. These lights are variously known as distant, direct or infinite light. This light sets a single vector for its entire illumination object from the same angle, doesn’t matter the object’s position. The shadows emitted by the directional light are in same direction and they are orthogonal projections of each 3d object’s shape. The matter in placing the directional light is which way it’s pointed. The directional light is not so easy in aiming to a preferred local area like point and spot light. A set of lights constituting from different angles can be used to produce fill light, even in the individual lights in all angles in a low intensity. These lights can fill very large areas with illumination appearing as ambient, like filling the daylight from the sky giving a quick effective global ambience. it deals with the light position where it is placed and it is all about the direction of the object, shadow and lit falls depend on the light location. However the sunlight is the major source of light we need some more light effects to impress the viewer most probably directional light is used. The directional light which needs some specific angle to present a proper lighting so that the person should concentrate more on angles. 4.2.4.Area Lights The lights like point and spot emits light from a infinity source into space, which is not simulating the size of physical light source in real life. Point light cannot be scaled in any dimension. To get more accurate simulations of the real light, this area light have definable scale, so the all the rays of light are not emitted exactly from the same point. If the light is scaled small, the illumination will appear similar to a point light. The larger scale of area light, make the light appear softer, shadows appears to soft and the illumination in nearby objects. The amount of shadows and light achieved with area light makes the scene excellent in realistic rendering. The source of the light comes from some long gap like windows etc, is said to be area lights. This effect is important when the image or animation dealing with the room setup for example if there is a room there might be some windows so we must implement the area lights. It matches the situation than any other lighting techniques 4.2.5.SPHERICAL AREA LIGHTS: Spherical area light is also like area light it will spread in all directions. It is also called spherical light, spherical region of space is the source for the spherical light, this is mainly used in the case where the large light source. The spherical light has omni directional so the light does not have effect on our output. you can also replace the spherical light to point light when the illumination needs more concentration on light to cast soft edged shadows 4.2.6.FLAT AREA LIGHTS: Area light also available in flat shapes such as discs and rectangles. Light emitted from two dimensional areas can use less rendering time than three dimensional areas. The number of samples used to adjustable either approach. A rectangular area light is same as illuminated ceiling panel, a plane width and height that illuminates with naturally soft, diffused light. Light from ceiling is the major use of flat area light simulating the reflected illumination brightly lit walls and ceiling providing a soft. Aiming or rotating light changes your result, light from the edge of the flat area light is same as creating sharper shadow and also dimmer. 4.2.7.LINEAR LIGHTS: Linear light has same functionality as florescent tube and also scaled in one-dimension.it has a length soften the shadows and extend its illumination in one direction. How linear light affects the output. The shadow objects along the length of the light are very soft, but shadows from the end of the light are focused. We can use linear lights from fluorescent tubes, laser blasts. Line shape is not specifically needed, linear lights and it is used for general soft lighting scene they will not add as much as you’re rendering time as other types. It is similar as spherical area light . 4.2.8.MODELS SERVING AS LIGHTS: Light effect by model serving as lights is a 3dimensional model in your scene sort of area light source. By using this model we can make a nontraditional shape of light like neon sign, it is also used as a true light sources, as shown in figure. However, bright looking objects can be made by rendering the neon sign,and also by positioning other kind of light to the surface rounding area. Chapter 5 Indirect lighting in CG 5.1Introduction The indirect illumination simulates caustics, global illumination and final gathering.the specification of light energy is required. To allow color the light energy is as a RGB triple. But the values of the RGB are usually much higher than the range for color. In the preprocessing step the number of photons stored from the light source is determined by STORE and the number of photons emitted is determined by EMIT. The photon emission stops when either of the limit is reached. Using the power law of 1/r(exp) energy from the light source decreases as the square of the distance increases from the source. The physical correctness is lost when the exponent is other than 2. During caustics preprocessing The number of caustics photon stored can be specified by the caustic photon value which controls it. Likewise global photon value can be specified for global illumination. The value ranges from 10,000to 100,000.by increasing the value the accuracy increases and the bluriness decreases. In i ndirect lighting the lights sources are invisible by default. As the number of visible lights are increased the performance is reduces. 5.2 Final Gathering (FG) The estimation of global illumination is done by a technique called Final gathering. It can be illuminated by either sampling a number of direction over the hemisphere or by averaging the total final gather points nearby. To improve the quality of global illumination final gathering is used. Without final gathering computation on a diffused surface is made by the photon intensity near that point. With final gathering the new rays of light is are made to hit the sample hemisphere for the determination of incident illumination. Using illumination from the globillium photon map and the illumination at the points of diffused surface is computed. Some rays hit a specular surface and their contribution for final gather color is zero. Tracing each ray utilizes lot of time so it is done when it is necessary. For purely diffuse scene final gathering eliminates low frequency noise and dark corners. As the final gather averages over many values of direct illumination fewer photons are needed. F inal gathering can support only a single bounce. And multiple effect have far less impact on the image. The final gathering can perform these if the shaders can adjust the trace depth, otherwise it will be performed by photons by default. To control the photons coming from distant source of light final gathering is used and is good for film production. For CAD related applications photon mapping is used. Final gathering can be turned on or off in the options. In each final gathering the number of ray shot can be changed. The maximum distance at which the ray can be used depends on the scene extent. Decreasing the scene extent can reduce the noise but increase the render time. 5.2.1.Global illumination: Global illumination simulates the light bouncing of an object. It has two steps process. the photon emitting light emits photon in to the scene. A photon map is created to store the intensity and place of the photon in three dimensional space. Then the surfaces are illuminated. It is based on the intensity of the photon. In global illumination diffusive value is a must. In the second part of the image the actual process is rendering of the image. The energy value is averaged and these values are interpolated to get the image as the light is bouncing of the diffused surface. After perfecting the in this method, the photon map can be saved and reused. Thus we can save the time of rendering each frame, provided the scene is static. This is the calculation of more complete light transfer model said to be global illumination. This accounts for the indirect reflected light transfer in the scene. There are two types of global illumination, one simulates the behavior of the light of perfect specular light, and the second behaves in perfect diffuse light. These are most commonly referred to ideal specular, which hold ray tracing. Perfect diffuse reflections are called an ideal diffuse reflection, which is calculated using radiosity. This technique was developed in enhancing the realism in computer images in mimicking the light transfer. In periods it developed like image synthesis (photorealism) to simulation (photo accuracy). The radiosity is computed first and the ray tracer is computed to calculate the direct illumination the same way the reflection and refraction. 5.2.3.Local Illumination This is the direct illumination from a light source, this means a method of lighting which come form the direct visible source. This will not take full light in account; it only shows how the light affects the object that it calculates in the scene. Local illumination neglects the reflections and light propagations as its’ bounced around the environment. The light transfer simulation in local illumination computes the light only produced from its light source itself to the object that it illuminates and stops there. In a sense an incomplete light transfer’s model because it computes only the effect of direct light and cheats by the environmental lighting settings as glow to make it as reflected.[9][10] Local and Global 5.2.4.Ambient Light This is a light with constant intensity setting on the scene which serves as the sum of all in the direct illumination reflections in the scene. When describing this in effect ambient light is a kind of self-glowing illumination that mimics the object-to object light reflection. It is an independent intensity for all the objects in the scene. This light was invented to fake the direct illumination interobject reflection so the image will not be dark. This setting is adjusted globally through a scene parameter or per object. The preferable setting for ambient light in most scenes in set to be zero or low unless the object is producing light. This setting makes the fill light and the secondary lights influence in your scene more visible. Site accessed on 19th oct [http://:jmsoler.free.fr//tutor/lumiere_cornell_en.htm] Chapter 6 Ambient occlusion 6.1.Overview: Ambient Occlusion is a lighting technique that which is used to cast shadows on objects. This is a technique used in lighting which is misunderstood as this method casts shadows on objects where light does not reach. Ambient occlusion creates or casts soft shadows around the object which gives out a molded look. In technical terms ambient occlusion is a global illumination method and is commonly referred to as a cheap trick for alternative method of global lighting method. This technique is to get ambient light in all contacted shadows. This is where ambient occlusion comes into being as some calculate the intensity of the light setup for every work file but most don’t and the best way to overcome is to use ambient occlusion where this does all the calculation and gives a better quality render more than we can accept. 6.2.How ambient occlusion works: Ambient occlusion is a technique which adds visual realism to the image without being physically correct. The ambient occlusion result can be used to darken concave areas, which human eye perceives as indirect illumination shadows, or  contact shadows. The advantage of ambient occlusion is its computational speed. As it may be computed with very short rays and as no additional shader evaluations are required, the performance may be significantly higher than for  final gathering. 6.3.Ambient occlusion gains render time: Ambient occlusion is enabled by default. However, no actual computations will happen until requested by further settings or by shaders. The ambient occlusion cache is set  off  by default. In this mode, only shaders which  call for ambient occlusion  values will initiate computation on demand. If no such shaders exist in the scene, there is no overhead compared scenes rendered with ambient occlusion turned off. In case the ambient occlusion caching is enabled then mental ray will perform some computations before rendering starts, to fill the cache. The global defaults for ambient occlusion settings can be specified as  scene options  or on the mental ray  command line. Most of these values can be overwritten by a shader. The  ambient occlusion caching  may be enabled for the current rendering to gain overall speed. In this case, several preprocess passes will be computed. In the first pass, some ambient occlusion points are created on a coarse grid. Subsequent passes refine the grid adaptively. The density of the grid is determined by the  ambient occlusion cache density  setting which gives the  upper bound to the number of ambient occlusion points per pixel. Site accessed on 19th oct http://download.autodesk.com/us/maya/2009help/mr/manual/ao.html 6.4.Results better than indirect light: Ambient occlusion is the easy and quick way to get Global illumination and tell how ambient occlusion note works in texture. Ambient occlusion produce soft shadows as like real world. when two models are placed near certain amount of light will be block and u will get soft shadows at the corner of the object Ambient occlusion adding realism and produce more details in the output and render will be fast when we compare to Final gathering and Globule illumination Ambient occlusion refers to a type of shadowing that occurs when the ambient light in an environment is occluded (blocked) from reaching a surface by other nearby objects or other parts of the same object. You can see ambient occlusion effects in the photograph .The darkness that occurs in the cracks and crevices in the plaster design on an overcast day are a perfect example of ambient occlusion. Ambient occlusion effects are seen in many renders created using Final Gathering. that the ambient occlusion that occurs in a Final Gathering render lacks a certain amount of detail. Unless you increase the number of Final Gathering rays, detailed ambient occlusion shadows are difficult to achieve, and the more rays you emit into a scene, the longer the render time will be. This latter method is the most common approach and offers the most flexibility: the occlusion pass can easily be modified in the compositing software. Eliminating the need to re-render the entire scene if a change needs to be made. In this way you can use the ambient occlusion texture to augment the shadowing of a render pass that uses Final Gathering or as a substitute for rendering with Final Gathering Literature: Mental ray for Maya 3ds max and XSI Livny Boaz Literature: Maya Visual Effects: the innovator’s guide Eric Keller Literature: Mastering maya 2009- Eric Keller Chapter 7 Rendering 7.1 Mental Ray rendering Mental ray rendering is capable of producing a realistic and quality image. It can render just with a single processor machine. It is achieved by advanced and proprietary acceleration technique. It achieves better performance using parallelism on multi processor machine and also on network machines. Mental ray can be used on wide range of application, such as in full length movies, games, architectural design and on virtual models. Mental ray rendering is used as a standalone application for efficient rendering on local machines and as a software library on 3D content creation and CAD systems. Mental ray has a number of standard shaders which range from basic illumination to typical materials for architectural and design, car paint to physical sun and sky lighting. Mental ray has a built-in standard models for best rendering performance and quality cover. 7.2.Rendering Ray tracing is an option on mental ray. Ray tracing is used for rendering very complex lighting. Ray tracing software is based on ray tracing architecture which allows for the flexible implementation of lighting effect. It includes reflection, global illumination, refraction. To speed up the ray intersection calculation it uses advanced tree algorithms. From an on-demand loading of geometry it can adjust to dynamic scene manipulation. Ray trace is used to produce shadows of an object. Without the ray trace is turned on there will be no shadows. In ray tracing, the light path is tr Advantages and Disadvantages of Ambient Occlusion Shader Advantages and Disadvantages of Ambient Occlusion Shader This dissertation is to simplify the ambient light in contact shadow using Maya embedded language (MEL) which can be useful for all lighting artists to get a global illumination effect in simple steps and to reduce process of render time and they can connect and disconnect the ambient shader and adjust using GUI (graphical user inter phase) all the buttons will be in GUI itself. These are simple techniques but if one needs the old fashioned moves he’s got to go to the control set up tools. But these are simplified here and all can be achieved in simple clicks which is easy to navigate. All actions present in the GUI area all are present in my interface and one reason its better as its simple. This has been focused in a manner to anticipate all professional or not its easy to all. This helps all and even helps to navigate better through the GUI controls better. Chapter 1 INTRODUCTION Ambient Occlusion is a lighting technique that which is used to cast shadows on objects. This is a technique used in lighting which is misunderstood as this method casts shadows on objects where light does not reach. This method gives out a good render to the object with normal modes in the output. Ambient occlusion creates or casts soft shadows around the object which gives out a molded look. In technical terms ambient occlusion is a global illumination method and is commonly referred to as a cheap trick for alternative method of global lighting method. To be more specific in answering the above is each person has his means of working and all processes differ from one another. This is where ambient occlusion comes into being as some calculate the intensity of the light setup for every work file but most don’t and the best way to overcome is to use ambient occlusion where this does all the calculation and gives a better quality render more than we can accept. On aspects to other global illumination methods ambient occlusion does calculate in it manner but regarding other properties in the scene file. Where it has to go according to all shapes in the scene file to calculate the light setup to generate a global light effect which seems less complex than the regular lighting aspect in the software. This specialty makes ambient occlusion very well accepted among game developers and level designers and in various levels of production animation. Here I am going to simplify the Ambient Occlusion shader to get ambient light in all contacted shadows. Connecting the ambient occlusion to all the shader is a big process as we have a number of shader in a single scene file. I am going to develop a separate user interface in Maya for the user to manipulate my tools. By using my tools all the shader can be connected to the ambient shader with the single click and also can disconnect all the ambient shader in a single click. 1.1.AIM To simplify the ambient light in contact shadows using Maya embedded language (MEL) 1.2.OBJECTIVES Study the advantages and disadvantages of ambient occlusion shader To study about the real world light properties To implement natural lights using software Developing a MEL for simplifying ambient occlusion shader Developing an user interface in Maya for user to manipulate the tool(GUI) 1.3.STATEMENTS OF THE PROBLEM To connecting the ambient occlusion shader to all the other shader is a big process if there is number of shader are available in single scene file 1.4.RESEARCH QUESTIONS What is ambient occlusion? What r the different techniques for creating indirect lighting How shadows variation in time what are the advantages and disadvantages in ambient occlusion texture How to simplify the ambient occlusion texture node 1.5.SIGNIFICANCE OF STUDY When we are connecting ambient occlusion texture to number of shader most of them are facing the problem like connecting with shader one by one some time we may miss some shader while connecting and also it will take time to connect to lot of shader Here am going to do this dissertation for solving these problems. Here I am going to simplify the ambient occlusion texture by MEL script 1.6.Hypothesis The hypothesis of this project is to simplify the ambient occlusion texture using Maya embedded language (MEL) Chapter 2 Literature Review 2.1.Literature: Mastering Maya 2009 Eric Keller, Eric Allen and Anthony Honn 2009 This book speaks about how ambient occlusion forms form indirect light rays and ambient occlusion effect can bring from Final Gathering and it will take more render time when u create in Final Gathering The above information help to get some knowledge and information about ambient occlusion. 2.2.Literature: Mental ray for Maya 3ds max and XSI Livny Boaz Ambient occlusion adding realism and produce more details in the output and render will be fast when we compare to Final gathering and Globule illumination how ambient occlusion works and explain detail about ambient occlusion attribute and also tell about what are the different between occlusion and ambient occlusion 2.3.Literature: Introducing Maya 2011 Dariush Derakhshani We can take ambient occlusion as separate render pass that to help add more depth in models and later we can adjust in compositing. Ambient occlusion give great contact shadows 2.4.Literature: Maya Visual Effects: the innovator’s guide Eric Keller Ambient occlusion is the easy and quick way to get Global illumination and tell how ambient occlusion note works in texture. Ambient occlusion produce soft shadows as like real world. when two models are placed near certain amount of light will be block and u will get soft shadows at the corner of the object 2.5.Literature: Rendering with Mental ray 3Ds Max Joep Van Der Steen There are different types of shadow in 3ds max like normal 3ds max shadows and ray trace shadows .but normal shadows wont work in mental ray. If u need to get accurate shadows go for ray trace but render time will be increases when compare to normal shadows. Bounce light gives u realistically feel as like real life lighting. In real life light wont stop travel when its hits the ground it will hit and bounce for certain distance till its die and ambient occlusion also the one form of creating bounce light or indirect lighting for the scene but ambient occlusion wont be physically correct lighting when compare to FG(Final Gathering ) and GI (Globule illumination ). Ambient occlusion give reflective occlusion where we wont get in normal occlusion. 2.6.Literature: Writing Mental ray shader: perceptual Introduction Andy Kopra This book tells about how ambient occlusion rays are calculating in the scene and tell about how Technically ambient occlusion works in MEL scrip this book gives me clear idea how to develop my scrip in MEL 2.7.Literature: Rendering Techniques 2006 Tomas Akenine-Mà ¶ller   Ambient occlusion shadow produce form ambient light. Ambient light emits form all direction and produce soft shadows. Most of the production companies using ambient occlusion for lighting for time saving in lighting and rendering. 2.8.Literature: Maya: secrets of the pros John L. Kundert-Gibbs, Dariush Derakhshani Ambient occlusion techniques in production are used in two ways are backing of ambient occlusion texture and taking of ambient occlusion passes in render. In backing of ambient occlusion we cant tweak while compositing but In ambient occlusion render pass we can tweak and bring new effect in compositing. 2.9.DVD:Digital Tutors Mental Ray Nodes Library This Tutor helps me what are the uses of the ambient occlusion how to connect ambient occlusion texture node in shader and explain clearly about the Attribute Editor of ambient occlusion to get good output. Chapter3 METHODOLOGY This document consists of a quantitative and qualitative method by Survey and gathering information from Internet, Books, tutorials , articles, books, paper and videos. 3.1.POPULATION: The people who are suitable for this population is texturing artist, lighting artist, rendering artist. They were questioned regarding the ambient occlusion shader and its uses in production field. The population of this research work carries the production experienced person. 3.2.SAMPLING: Judgment Sampling 3.3.SCOPE AND LIMITATIONS: This research is limited to the ambient occlusion shader. Chapter 4 Lights in CG 4.1 Overview 4.2 Types of lighting Chapter 5 Indirect lighting in CG 5.1Introduction 5.2 Final Gathering (FG) and Global illumination (GI) Chapter6 Ambient occlusion 6.1 overview 6.2 How it works 6.3 Advantages of ambient occlusion Chapter 7 Rendering 7.1 Mental Ray rendering 7.2 occlusion render over mental ray Chapter 8 MEL 8.1 Introduction to MEL 8.2 Creating GUI Chapter 4 Lights in CG 4.1.Introduction Lightning in computer graphics (CG) is nothing but giving special effects to the scenes to improve the quality of animation. Lightings available for all kind of occasions, all we need to do is just adjust the parameters. Most of them will not give more importance for lighting while creating there images or animations. Lighting plays very important role in computer graphics (CG), we can easily find the talented and untalented person in computer graphics (CG) by looking at the light effects given in the image or animation .Though we already know something about lightings in photography, film and video. We are just trying to bring the reality to computer graphics (CG). Lighting is used for creating a 3D effect by differentiating the foreground from background or else we can combine both to create 2D effect. This effect (Lighting) is mainly used to impress the viewer. Lighting is the most powerful tool in the computer graphics because this is the only tool which makes the viewer to feel. If your lighting perfectly fits for your image or animation then the final output will be much good to impress the viewer. Lighting can be expressed in two ways by being illuminated and a process of illumination. Lighting is defined globally by means of object which can be visible through the source illuminant application. Bouncing off lights or shiny objects can be made by the manipulation of light. If natural light is unavailable artificial lights can be used instead. Lighting is used everywhere and anywhere. Light is never said to be the same because of its variability, so lighting also changes. The natural sun light that we see in day to day life varies in a short period of time but the quality does not vary. The term state of lighting could in term mean intensity, its direction, its texture and form. This means something emotional. lighting is also a process of purposeful planning and design in which the light is to illuminate in an object. When lighting is necessary, the ligh ting position and placement are to be in considering, once deciding the intensity. Lighting process also refers in analyzing the light quality as it strikes the subject. 4.1.ADDING LIGHT SOURCES: Adding lights to the scenes can be done in several ways and also different kinds of lights available in lighting effects. Some kind of lights are used to highlight the background, foreground, character etc., we must choose the light which is highly suitable for the cases so that the people could not able to find which effect is used. There are several types of adding lights effects available POINT(OMMIDERECTIONAL)LIGHTS SPOTLIGHTS DIRECTIONAL LIGHTS AREA LIGHTS Site accessed on 27th sep Pixel Cinematography: A Lighting Approach for Computer Graphics (SIGGRAPH 96 Course 30) SPHERICAL AREA LIGHTS FLAT AREA LIGHTS LINEAR LIGHTS MODELS SERVING AS LIGHTS 4.2.1POINT(OMMIDERECTIONAL)LIGHTS Point lights are also called as omni or omnidirectional lights, because it transmit in all directions, like any other lights e.g. bulb, sun etc The main thing in giving this effect is checking the shadows it should not spread in all directions. In real life, u can see more uniformly omnidirectional lights. Most of the times point lights are similar to real light bulbs for example, bulb lights spread allover the particular empty place, if a opaque thing (metal, wood etc.,) is kept in that place the shade will form behind that thing and side and size of the shade is depend on the location of the bulb. Though it is likely as omnidirectional we can spread it by using throw-pattern that is uneven. if you want to focus more light on some particular direction then you must do this action texture map to the light else by grouping the light with 3D object that produce shadows This light rays stimulated out from one infinitely small point in space, Its illumination and shadows passes out form the light in all direction. It is difficult to find a light which is uniformly omni directional in nature. Many light sources emit some amount of light in some directions. Uneven point lights can be used as a throw pattern, like a real bulb to emit more light in some direction rather than in other direction. This is done by applying a texture to the light or else by grouping the light with the 3d object which will cast shadows. 4.2.2.SPOTLIGHTS: Spotlights is the major light effect which is commonly used in computer graphics (CG).This light effect is used by major computer graphics (CG) specialist because it can be used to focus on a specific target. Spotlight is also similar to point light sometimes but it slightly differs in pointing the target there are some limitations for spotlights are it should not exceed.we can determine the focus aim by rotating the spotlight. You can also fix a target for your focus so that the focus will always on that particular target. Spot Lights are the most used light in the lighting design of computer graphics. Most of the popular artist prefer spotlights to light a scene because, this light can be controlled in any times to aim light at a selected target. The emition of spotlight is light radiation from a point, same as like the point light. The illumination in the spotlight is controlled through a cone angle or a beam of the light. The rotation of the spotlight will determine where the beam is aimed. Objects can also be linked to light to stay in the same orientation position. A spotlight has more controls and options which is not found in other type of lights, some options like projecting a image map from the light, creating fog, etc†¦ With the help of spotlight the falloff which is the softness of the cone, allows the intensity of light diminish more gradually in the edges of the beam. 4.2.3.Directional Lights Directional light is an infinity source of illumination from a distance. These lights are variously known as distant, direct or infinite light. This light sets a single vector for its entire illumination object from the same angle, doesn’t matter the object’s position. The shadows emitted by the directional light are in same direction and they are orthogonal projections of each 3d object’s shape. The matter in placing the directional light is which way it’s pointed. The directional light is not so easy in aiming to a preferred local area like point and spot light. A set of lights constituting from different angles can be used to produce fill light, even in the individual lights in all angles in a low intensity. These lights can fill very large areas with illumination appearing as ambient, like filling the daylight from the sky giving a quick effective global ambience. it deals with the light position where it is placed and it is all about the direction of the object, shadow and lit falls depend on the light location. However the sunlight is the major source of light we need some more light effects to impress the viewer most probably directional light is used. The directional light which needs some specific angle to present a proper lighting so that the person should concentrate more on angles. 4.2.4.Area Lights The lights like point and spot emits light from a infinity source into space, which is not simulating the size of physical light source in real life. Point light cannot be scaled in any dimension. To get more accurate simulations of the real light, this area light have definable scale, so the all the rays of light are not emitted exactly from the same point. If the light is scaled small, the illumination will appear similar to a point light. The larger scale of area light, make the light appear softer, shadows appears to soft and the illumination in nearby objects. The amount of shadows and light achieved with area light makes the scene excellent in realistic rendering. The source of the light comes from some long gap like windows etc, is said to be area lights. This effect is important when the image or animation dealing with the room setup for example if there is a room there might be some windows so we must implement the area lights. It matches the situation than any other lighting techniques 4.2.5.SPHERICAL AREA LIGHTS: Spherical area light is also like area light it will spread in all directions. It is also called spherical light, spherical region of space is the source for the spherical light, this is mainly used in the case where the large light source. The spherical light has omni directional so the light does not have effect on our output. you can also replace the spherical light to point light when the illumination needs more concentration on light to cast soft edged shadows 4.2.6.FLAT AREA LIGHTS: Area light also available in flat shapes such as discs and rectangles. Light emitted from two dimensional areas can use less rendering time than three dimensional areas. The number of samples used to adjustable either approach. A rectangular area light is same as illuminated ceiling panel, a plane width and height that illuminates with naturally soft, diffused light. Light from ceiling is the major use of flat area light simulating the reflected illumination brightly lit walls and ceiling providing a soft. Aiming or rotating light changes your result, light from the edge of the flat area light is same as creating sharper shadow and also dimmer. 4.2.7.LINEAR LIGHTS: Linear light has same functionality as florescent tube and also scaled in one-dimension.it has a length soften the shadows and extend its illumination in one direction. How linear light affects the output. The shadow objects along the length of the light are very soft, but shadows from the end of the light are focused. We can use linear lights from fluorescent tubes, laser blasts. Line shape is not specifically needed, linear lights and it is used for general soft lighting scene they will not add as much as you’re rendering time as other types. It is similar as spherical area light . 4.2.8.MODELS SERVING AS LIGHTS: Light effect by model serving as lights is a 3dimensional model in your scene sort of area light source. By using this model we can make a nontraditional shape of light like neon sign, it is also used as a true light sources, as shown in figure. However, bright looking objects can be made by rendering the neon sign,and also by positioning other kind of light to the surface rounding area. Chapter 5 Indirect lighting in CG 5.1Introduction The indirect illumination simulates caustics, global illumination and final gathering.the specification of light energy is required. To allow color the light energy is as a RGB triple. But the values of the RGB are usually much higher than the range for color. In the preprocessing step the number of photons stored from the light source is determined by STORE and the number of photons emitted is determined by EMIT. The photon emission stops when either of the limit is reached. Using the power law of 1/r(exp) energy from the light source decreases as the square of the distance increases from the source. The physical correctness is lost when the exponent is other than 2. During caustics preprocessing The number of caustics photon stored can be specified by the caustic photon value which controls it. Likewise global photon value can be specified for global illumination. The value ranges from 10,000to 100,000.by increasing the value the accuracy increases and the bluriness decreases. In i ndirect lighting the lights sources are invisible by default. As the number of visible lights are increased the performance is reduces. 5.2 Final Gathering (FG) The estimation of global illumination is done by a technique called Final gathering. It can be illuminated by either sampling a number of direction over the hemisphere or by averaging the total final gather points nearby. To improve the quality of global illumination final gathering is used. Without final gathering computation on a diffused surface is made by the photon intensity near that point. With final gathering the new rays of light is are made to hit the sample hemisphere for the determination of incident illumination. Using illumination from the globillium photon map and the illumination at the points of diffused surface is computed. Some rays hit a specular surface and their contribution for final gather color is zero. Tracing each ray utilizes lot of time so it is done when it is necessary. For purely diffuse scene final gathering eliminates low frequency noise and dark corners. As the final gather averages over many values of direct illumination fewer photons are needed. F inal gathering can support only a single bounce. And multiple effect have far less impact on the image. The final gathering can perform these if the shaders can adjust the trace depth, otherwise it will be performed by photons by default. To control the photons coming from distant source of light final gathering is used and is good for film production. For CAD related applications photon mapping is used. Final gathering can be turned on or off in the options. In each final gathering the number of ray shot can be changed. The maximum distance at which the ray can be used depends on the scene extent. Decreasing the scene extent can reduce the noise but increase the render time. 5.2.1.Global illumination: Global illumination simulates the light bouncing of an object. It has two steps process. the photon emitting light emits photon in to the scene. A photon map is created to store the intensity and place of the photon in three dimensional space. Then the surfaces are illuminated. It is based on the intensity of the photon. In global illumination diffusive value is a must. In the second part of the image the actual process is rendering of the image. The energy value is averaged and these values are interpolated to get the image as the light is bouncing of the diffused surface. After perfecting the in this method, the photon map can be saved and reused. Thus we can save the time of rendering each frame, provided the scene is static. This is the calculation of more complete light transfer model said to be global illumination. This accounts for the indirect reflected light transfer in the scene. There are two types of global illumination, one simulates the behavior of the light of perfect specular light, and the second behaves in perfect diffuse light. These are most commonly referred to ideal specular, which hold ray tracing. Perfect diffuse reflections are called an ideal diffuse reflection, which is calculated using radiosity. This technique was developed in enhancing the realism in computer images in mimicking the light transfer. In periods it developed like image synthesis (photorealism) to simulation (photo accuracy). The radiosity is computed first and the ray tracer is computed to calculate the direct illumination the same way the reflection and refraction. 5.2.3.Local Illumination This is the direct illumination from a light source, this means a method of lighting which come form the direct visible source. This will not take full light in account; it only shows how the light affects the object that it calculates in the scene. Local illumination neglects the reflections and light propagations as its’ bounced around the environment. The light transfer simulation in local illumination computes the light only produced from its light source itself to the object that it illuminates and stops there. In a sense an incomplete light transfer’s model because it computes only the effect of direct light and cheats by the environmental lighting settings as glow to make it as reflected.[9][10] Local and Global 5.2.4.Ambient Light This is a light with constant intensity setting on the scene which serves as the sum of all in the direct illumination reflections in the scene. When describing this in effect ambient light is a kind of self-glowing illumination that mimics the object-to object light reflection. It is an independent intensity for all the objects in the scene. This light was invented to fake the direct illumination interobject reflection so the image will not be dark. This setting is adjusted globally through a scene parameter or per object. The preferable setting for ambient light in most scenes in set to be zero or low unless the object is producing light. This setting makes the fill light and the secondary lights influence in your scene more visible. Site accessed on 19th oct [http://:jmsoler.free.fr//tutor/lumiere_cornell_en.htm] Chapter 6 Ambient occlusion 6.1.Overview: Ambient Occlusion is a lighting technique that which is used to cast shadows on objects. This is a technique used in lighting which is misunderstood as this method casts shadows on objects where light does not reach. Ambient occlusion creates or casts soft shadows around the object which gives out a molded look. In technical terms ambient occlusion is a global illumination method and is commonly referred to as a cheap trick for alternative method of global lighting method. This technique is to get ambient light in all contacted shadows. This is where ambient occlusion comes into being as some calculate the intensity of the light setup for every work file but most don’t and the best way to overcome is to use ambient occlusion where this does all the calculation and gives a better quality render more than we can accept. 6.2.How ambient occlusion works: Ambient occlusion is a technique which adds visual realism to the image without being physically correct. The ambient occlusion result can be used to darken concave areas, which human eye perceives as indirect illumination shadows, or  contact shadows. The advantage of ambient occlusion is its computational speed. As it may be computed with very short rays and as no additional shader evaluations are required, the performance may be significantly higher than for  final gathering. 6.3.Ambient occlusion gains render time: Ambient occlusion is enabled by default. However, no actual computations will happen until requested by further settings or by shaders. The ambient occlusion cache is set  off  by default. In this mode, only shaders which  call for ambient occlusion  values will initiate computation on demand. If no such shaders exist in the scene, there is no overhead compared scenes rendered with ambient occlusion turned off. In case the ambient occlusion caching is enabled then mental ray will perform some computations before rendering starts, to fill the cache. The global defaults for ambient occlusion settings can be specified as  scene options  or on the mental ray  command line. Most of these values can be overwritten by a shader. The  ambient occlusion caching  may be enabled for the current rendering to gain overall speed. In this case, several preprocess passes will be computed. In the first pass, some ambient occlusion points are created on a coarse grid. Subsequent passes refine the grid adaptively. The density of the grid is determined by the  ambient occlusion cache density  setting which gives the  upper bound to the number of ambient occlusion points per pixel. Site accessed on 19th oct http://download.autodesk.com/us/maya/2009help/mr/manual/ao.html 6.4.Results better than indirect light: Ambient occlusion is the easy and quick way to get Global illumination and tell how ambient occlusion note works in texture. Ambient occlusion produce soft shadows as like real world. when two models are placed near certain amount of light will be block and u will get soft shadows at the corner of the object Ambient occlusion adding realism and produce more details in the output and render will be fast when we compare to Final gathering and Globule illumination Ambient occlusion refers to a type of shadowing that occurs when the ambient light in an environment is occluded (blocked) from reaching a surface by other nearby objects or other parts of the same object. You can see ambient occlusion effects in the photograph .The darkness that occurs in the cracks and crevices in the plaster design on an overcast day are a perfect example of ambient occlusion. Ambient occlusion effects are seen in many renders created using Final Gathering. that the ambient occlusion that occurs in a Final Gathering render lacks a certain amount of detail. Unless you increase the number of Final Gathering rays, detailed ambient occlusion shadows are difficult to achieve, and the more rays you emit into a scene, the longer the render time will be. This latter method is the most common approach and offers the most flexibility: the occlusion pass can easily be modified in the compositing software. Eliminating the need to re-render the entire scene if a change needs to be made. In this way you can use the ambient occlusion texture to augment the shadowing of a render pass that uses Final Gathering or as a substitute for rendering with Final Gathering Literature: Mental ray for Maya 3ds max and XSI Livny Boaz Literature: Maya Visual Effects: the innovator’s guide Eric Keller Literature: Mastering maya 2009- Eric Keller Chapter 7 Rendering 7.1 Mental Ray rendering Mental ray rendering is capable of producing a realistic and quality image. It can render just with a single processor machine. It is achieved by advanced and proprietary acceleration technique. It achieves better performance using parallelism on multi processor machine and also on network machines. Mental ray can be used on wide range of application, such as in full length movies, games, architectural design and on virtual models. Mental ray rendering is used as a standalone application for efficient rendering on local machines and as a software library on 3D content creation and CAD systems. Mental ray has a number of standard shaders which range from basic illumination to typical materials for architectural and design, car paint to physical sun and sky lighting. Mental ray has a built-in standard models for best rendering performance and quality cover. 7.2.Rendering Ray tracing is an option on mental ray. Ray tracing is used for rendering very complex lighting. Ray tracing software is based on ray tracing architecture which allows for the flexible implementation of lighting effect. It includes reflection, global illumination, refraction. To speed up the ray intersection calculation it uses advanced tree algorithms. From an on-demand loading of geometry it can adjust to dynamic scene manipulation. Ray trace is used to produce shadows of an object. Without the ray trace is turned on there will be no shadows. In ray tracing, the light path is tr