COMP SCI 352 Computer Graphics and Animation

Computer Graphics2 My name is … My name is … How to find me How to find me Course Policies Course Policies Background Background Your turn Your turn Introductions

Computer Graphics3 The room will be locked but students who take a class in that room will have card access during the following times as long as no class is in session: The room will be locked but students who take a class in that room will have card access during the following times as long as no class is in session: –1. Monday through Friday. 7:00 AM - 9:30 PM. –2. Saturday and Sunday 9:00 AM through 4:30 PM There is no access during other hours. There is no access during other hours. The computers are to be used for course work only. The computers are to be used for course work only. Students are NOT to use the instructor workstations nor the projection equipment. We CAN check who logged into them. Students are NOT to use the instructor workstations nor the projection equipment. We CAN check who logged into them. No software is to be installed on any of the machines. Installing software will result in your access being revoked. Be aware, that it is easy to find out who was logged into a machine when unauthorized software was installed. No software is to be installed on any of the machines. Installing software will result in your access being revoked. Be aware, that it is easy to find out who was logged into a machine when unauthorized software was installed. No food or drink is allowed in the room at any time. No food or drink is allowed in the room at any time. No one who does not have card access should be let into the room. No one who does not have card access should be let into the room. Mac 122 Policies

Computer Graphics4 Cathode Ray Tube (CRT)

Computer Graphics5 Raster Scan Display

Computer Graphics6 Scan Line Interlacing

Computer Graphics7 Random Scan Display: Vector Graphics

Computer Graphics8 Turtle Graphics

Computer Graphics9 Color Pixel

Computer Graphics10 Shadow Mask CRT

Computer Graphics11 Additive Colors Red, Green, Blue = RGB

Computer Graphics12 Subtractive Colors Cyan, Magenta, Yellow

Computer Graphics13 Color Wheel

Computer Graphics14 The Utah Teapot

Computer Graphics15 Vertex and Line Drawing Modes

Computer Graphics16 Vertex and Line Drawing Modes

Computer Graphics17 Polygon Drawing Modes

Computer Graphics18 GLUT Objects

Computer Graphics19 Shapes Demo

Computer Graphics20 Transformations Demo

Computer Graphics21 Synthetic Camera Model

Computer Graphics22 Synthetic Camera Model

Computer Graphics23 Orthographic Projection

Computer Graphics24 Perspective Projection

Computer Graphics25 Projection (Viewing) Plane

Computer Graphics26 OpenGL Rendering Pipeline ( GL_PROJECTION )

Computer Graphics27 View Volume Projection and Clipping

Computer Graphics28 OpenGL Matrices

Computer Graphics29 Effect of the Modelview Matrix

Computer Graphics30 Effect of the Projection Matrix

Computer Graphics31 Effect of the Viewport Matrix

Computer Graphics32 Projection Demo

Computer Graphics33 Visual Realism Hidden face removal Hidden face removal Lighting Lighting Shading Shading Material properties Material properties Shadows Shadows Visual realism is achieved by

Computer Graphics34

Computer Graphics35 Hidden Face Removal Wireframe scene without and with hidden face removal

Computer Graphics36 Flat Shading Wireframe scene and rendering with flat shading

Computer Graphics37 Smooth Shading and Lighting Effects Smooth shading, specular light and shadows

Computer Graphics38 Light and Materials Demo

Computer Graphics39 Texture Mapping Mapping a texture map to a surface (polygon = square)

Computer Graphics40 Texture Mapping Hyperbolic interpolation improves perspective appearance: Without hyperbolic interpolation With hyperbolic interpolation Without hyperbolic interpolation With hyperbolic interpolation

Computer Graphics41 Texture Mapping Mapping a texture to a cylinder:

Computer Graphics42 Texture Mapping Mapping a texture to a sphere:

Computer Graphics43 Texture Mapping Demo

Computer Graphics44 3-D Scene Editor

Computer Graphics45 Polygonal Modeling

Computer Graphics46 Polygonal Modeling - Helix

Computer Graphics47 Tangent Vectors

Computer Graphics48 Frenet Frames