PPT-Texture Mapping Jeff Chastine

1 Texture Mapping Applying an image or a texture to geometry 2D images rectangular 3D images volumetric such as a CAT scan Adds realism to the scene A vertex can have A 3D position x y z 3 floats. 4371.001. Procedural . Animation. Introduction . to Procedural Methods in 3D Computer . Animation. Dr. Midori Kitagawa. In class. Pay attention. Take notes. Learn. Be ready for a pop quiz. Week 9: Mapping. Course: Computer Graphics. Presented by Fan Chen. fchen@cs.kent.edu. Outline. Why Texture Mapping?. What is Texture Mapping?. Texture Mapping in OpenGL. Why Texture Mapping?. Model. Model + Texture+ Shading. Jeff Chastine. 1. What is Light?. A very complex process. Find a dark area – how is it being lit?. Light bounces (mirrors, shiny objects). Light refracts through other media (water, heat). Light comes . Outline. Course Map. Set up a Project for . Texturing. GLEW and . FreeImage. Overview. Texture Mapping . Prepare Texture. Render with Texture. Multi-texturing. Environment Mapping (cube). 2. Fixed Pipeline. Understanding . DLLs. Jeff Chastine. 1. Dynamic Link Libraries. Real world: No . longer building from scratch. !. DLLs – Dynamic Link Libraries. Just a compiled set of . functions. R. eusable. Look in system32!. ROBERT BEZIRGANYAN & ADEDAYO ODESILE. CSS 552 RESEARCH PRESENTATION. What is Texture Mapping?. Wrapping a primitive with a complex surface.. Source: Prof K. Sung, CSS 552 Texture Mapping Class Slides. Coordinate Systems. Jeff Chastine. 1. The Local Coordinate System. Jeff Chastine. 2. Sometimes called “Object Space”. It’s the coordinate system the model was made in. The Local Coordinate System. Coordinate Systems. Jeff Chastine. 1. The Local Coordinate System. Jeff Chastine. 2. Sometimes called “Object Space”. It’s the coordinate system the model was made in. The Local Coordinate System. When the best just isn’t possible. Jeff Chastine. Approximation Algorithms. Some NP-Complete problems are too important to ignore. Approaches:. If input small, run it anyway. Consider special cases that may run in polynomial time. What is Light?. A very complex process. Find a dark area – how is it being lit?. Light bounces (mirrors, shiny objects). Light refracts through other media (water, heat). Light comes . from . everywhere (Global Illumination). Obtained from a July, 2014 Summer workshop in Guildford County . Texture Mapping. Texture Mapping. Surfaces may have single colors or they may have multiple color patterns, which are commonly referred to as . A mathematical structure that has more than one “part” (e.g. an array). 2D vectors might have . x. and . y. 3D vectors might have . x. , . y. and . z. 4D vectors might have . x. , . y. , . z. and . Jeff Chastine. 1. Quick Background. Jeff Chastine. 2. A . vertex. is a 3D point (. x. , . y. , . z. ). A . triangle. is made from 3 vertices. h. as a . normal. Note: vertices can have . normals. too!. Lighting Jeff Chastine 1 What is Light? A very complex process Find a dark area – how is it being lit? Light bounces (mirrors, shiny objects) Light refracts through other media (water, heat) Light comes