Download e-book for kindle: 3-D Computer graphics. Mathematical introduction with OpenGL by Medhat H. Rahim

By Medhat H. Rahim

ISBN-10: 0511078501

ISBN-13: 9780511078507

ISBN-10: 0521821037

ISBN-13: 9780521821032

This electronic rfile is a piece of writing from college technological know-how and arithmetic, released through university technological know-how and arithmetic organization, Inc. on March 1, 2009. The size of the object is 692 phrases. The web page size proven above relies on a customary 300-word web page. the thing is added in HTML structure and is obtainable instantly after buy. you could view it with any internet browser.
Citation Details
Title: 3-D special effects: A Mathematical creation with OpenGL.(Book review)
Author: Medhat H. Rahim
Publication: university technological know-how and arithmetic (Magazine/Journal)
Date: March 1, 2009
Publisher: university technological know-how and arithmetic organization, Inc.
Volume: 109 factor: three web page: 183(2)
Article sort: booklet review
Distributed by way of Gale, part of Cengage studying

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Extra info for 3-D Computer graphics. Mathematical introduction with OpenGL

Sample text

OpenGL provides a flexible set of tools for positioning vertices, including methods for rotating, scaling, and reshaping objects. 1. The four stages of the rendering pipeline in OpenGL. These tools are called “affine transformations” and are discussed in detail in the next sections. OpenGL uses a 4 × 4 matrix called the “model view matrix” to describe affine transformations. View Selection. This stage is typically used to control the view of the 3-D model. In this stage, a camera or viewpoint position and direction are set.

OpenGL really uses 3-space, however, and so not everything we discuss is exactly correct for OpenGL. We denote the ModelView matrix by M for the rest of this subsection. The purpose of M is to hold a homogeneous matrix representing an affine transformation. We therefore think of M as being a 3 × 3 matrix acting on homogeneous representations of points in 2-space. ) The OpenGL programmer specifies points in 2-space by calling a routine glVertex2f(x,y). As described in Chapter I, this point, or “vertex,” may be drawn as an isolated point or may be the endpoint of a line or a vertex of a polygon.

One notational complication is that a linear transformation A operates on points x = x1 , x2 , whereas a matrix M acts on column vectors. It would be convenient, however, to use both of the notations A(x) and Mx. To make both notations be correct, we adopt the following rather special conventions about the meaning of angle brackets and the representation of points as column vectors: Notation The point or vector x1 , x2 is identical to the column vector xx12 . So “point,” “vector,” and “column vector” all mean the same thing.

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3-D Computer graphics. Mathematical introduction with OpenGL by Medhat H. Rahim


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