Digital Terrain Analysis


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Document Home » Articles » Digital Terrain Analysis

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Scope

This page lists the publicly available articles of the series Digital Terrain Analysis. This series is a work in progress: more comprehensive documents will be added as they are finished.

Author

Document Herbert Glarner

Articles Overview

Digital Elevation Models: A guide on how to obtain DEM data from the U.S. Geological Survey for virtually every area in the world, and how to interpret and verify the obtained data.
Isometric Projection: This article provides the theoretical background to isometric projections, as used in several GIS (Geographic Information Systems) as well as in many game environments.
Isometric Tiling: Showing the design of the basic tiles in order to render a surface featuring flat plains and slopes with constant gradients.

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Articles

Digital Terrain Analysis: Obtain and render digital elevation models, and learn the basic formulas for isometric projections

Designing Isometric Avatars: Very extensive course in designing avatars for isometric worlds

Tracking Last Visitors: Approach in designing a server-side web tool as displayed below

Draw Orthogonal Polygons: Convert a list of vertices into a filled monochrome shape

Detect Overlapping Rectangles: Analysis, theorem, and algorithm

Length of Day and Twilight: Deriving formulae, including tables and graphs

Online Tools

Linear Recurrence Sequences: Online solver which finds the next elements and also the sequence's closed form

Continued Fraction Representation: Converts any real into its continued fraction representation

Mathematical Formula Decomposer: Decomposes your formula into its components in correct order

Linoleum Source Code

DIC: Dictionary with radix tree

HSH: Hash function HSH 11/13

BST: Bitstream generator

DSA: Dynamic storage allocation

AVL: Full-featured AVL tree

RNG: Pseudo random number generator (Mersenne Twister)

LSH: Linoleum syntax highlighter

VB Source Code

A Star: Pathfinder «A Star» (DLL)

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