Hidden Surface Removal
Computer graphics Lecture 7
Problem Description
Input: Set of polygons in three-dimensional space + a viewpoint
Output: A two-dimensional image of projected polygons, containi
Region Filling
Computer Graphics Lecture 6
Contents
Problem description Flood fill Scan Conversion Optimized Scan Conversion Summary
The Problem
Given a closed two dimensional polygon, fill its inte
Clipping
Computer Graphics Lecture 5
Viewing pipeline
window a world-coordinate area selected for display viewport an area on a display device to which a window in mapped Often, windows and viewports
Scan Conversion
Computer Graphics Lecture 4
Scan Conversion
The general problem of scan conversion is which pixels to turn on. In this lecture we will see a few basic algorithms to solve the problem f
Projection transformations
Computer Graphics Lecture 3
Introduction
The basic problem is to map a 3D object to a 2D Display surface.
Projections
Projection Taxonomy Planar projections
Parallel
Ortho
Transformations
Computer Graphics Lecture 2
Using Transformations
One arc designed. The scene is drawn by placing copies of instances. In 3D many cubes makes a city
Using transformations (cont)
The
Projections and Viewing
Computer Graphics Lab 06
Contents
In this section we will learn how to render a 3D model. Defining projection. The 3D orthographic projection. The 3D Perspective projection. Vi
Transformations Stack
Computer Craphics Lab 03
Contents
This section explains how to transform Objects in OpenGL The Stack Matrix Stack Matrix Stack Operations Lab exercise
About the stack
The stack i
Basic transformations
Computer Graphics Lab 02-03
Contents
We will see how to transform objects in OpenGL Basic transformations
Rotarion Translation Scaling
Model vs. projection transformation Lab e
Aspect Ratio
Computer Graphics Lab - 02
Contents
In this section we will learn about the mechanism behind the window reshape.
Motivation Explanation Solving the reshape problem Lab exercise
Motivatio
Window opening and Rendering
Computer Graphics Lab 01
Contents
GLUT library
Creating a new window Defining the windows drawing callback function Starting the glut main loop
OpenGL library
Pixel
Introduction to OpenGL
Computer Graphics Lab - 01
Intro to OpenGL
Introduction
OpenGL, GLU, GLUT
Installation instructions
Introduction
Developed by Silicon Graphics Inc. (SGI) in 1992. OpenGL is