Week1 - Computer Graphics 1 Who uses computer graphics? 2...

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Unformatted text preview: Computer Graphics 1 Who uses computer graphics? 2 Who uses computer graphics? Movies 3 Who uses computer graphics? Games 4 Who uses computer graphics? Doctors 5 Who uses computer graphics? Scientists 6 Who uses computer graphics? Engineers 7 Who uses computer graphics? You 8 Who uses computer graphics? You 9 What is computer graphics about? 10 10 What is computer graphics about? Computer graphics, as we will focus on it in this course, is about Computer taking a computer model and producing an image of that model. model image 11 11 What is computer graphics about? Computer graphics, as we will focus on it in this course, is about Computer taking a computer model and producing an image of that model. model image Is that it? Yes, no, maybe … 12 12 What is computer graphics about? Computer graphics, as we will focus on it in this course, is about Computer taking a computer model and producing an image of that model. model image Is that it? Yes, no, maybe … Definitely part of the broader area of computer graphics: • We often wish to interact with that model, creating new images on We interact the fly. the • Sometimes we want to animate the model in a predetermined way Sometimes animate (like a script) or according to a set of rules. (like • Also, there are issues how best to represent that model. Also, represent • Of course, all this assumes a way to capture or create the model, Of or then to finally display the images. display • We shouldn’t forget the actual computation required to convert We computation from model to image. from 13 13 What kinds of things are modeled? 14 14 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? 15 15 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? Position Where is it? 16 16 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? Position Where is it? Orientation Which way is it facing? 17 17 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? Position Where is it? Orientation Which way is it facing? Surface properties What color is it? Is is shinny? Is it smooth? 18 18 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? Position Where is it? Orientation Which way is it facing? Surface properties What color is it? Is is shinny? Is it smooth? Volumetric properties Is it dense? How does it scatter light? 19 19 What kinds of things are modeled? Shape What is it? Can we approximate it with simpler shapes? Position Where is it? Orientation Which way is it facing? Surface properties What color is it? Is is shinny? Is it smooth? Volumetric properties Is it dense? How does it scatter light? Lights How bright? What color? Where? Is it directional? And More … 20 20 Where do we get the models? 21 21 How do we display images? 22 22 What is our model isn’t like the real world? 23 23 What’s in between modeling and display? 24 24 ...
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