Provides some conceptual background for working with geo-referenced imagery and specific details for GeoTIFF images. Also provides a 2D & 3D sample project with first person fly throughs.

This article describes some properties of linear feedback shift registers and provides sample applications of their use in Encryption and Genetic Algorithms.

How to set up a 3D model in OpenGL so that a user can pick and identify objects in the model. This technique is very helpful in both game programming and visualization.

Discover a technique for "texture mapping" images onto 3D surfaces using OpenGL.

A technique for drawing and printing OpenGL graphics directly to Device-Independent Bitmaps (DIBs).

This article presents the basics of how to do geographic calculation for a spherical and ellipsoid Earth model, and provides sample code that implements solutions to several interesting geographic calculations.