Height Map Editor
Free program that edits, generates, and manipulates terrain height maps. These can be used in terrain renders, which are used in games, applications, and demos. Web base manual available. [Windows and Linux]
HeightField Lab
Generate, manipulate, display, load and save heightfields and then use a raytracer such as POV-Ray to generate the final output image. (free, with code) [Linux]
InReality (tm) Model Viewer
Visualization tool that permits the user to view RealSite (tm) models within a virtual environment. [IRIX, Win32]
KLevel Heightfield Tool
A heightfield modelling tool designed to mimic Leveller for Windows. It features an OpenGL preview and many brush-like tools. (free, with code) [Linux]
Landsraad
Alpha version of a terrain editor/viewer for BeOS.
Leveller by Daylon Graphics
Heightfield, bumpmap, and terrain modeler for Windows. Has an active user community with many 3rd party plugins. Downloadable demo with limited functionality.
Mapper
Earth data processing and visualization system. It can combine data from different sources and in varying formats to a single view. It is not an image processing tool but rather builds a 3dimensional model of the earth. [Win95/NT] 1997
MapRender3D
Modeling and visualization software package that creates relief maps in both 2D and 3D using either proprietary global elevation database or public domain DEMs. Features include projections, texture draping, lighting, shading, and elevation color graduation.
Natural Scene Designer
Raytracing based landscape renderer with object (trees, rocks, lakes) creation, placement and animation capabilities. Interactive planimetric, and 3D modeling viewpoints. Imports USGS and STDS DEMs. [Windows and Mac]
nineteen70five
Specializes in the import of GIS data sets and creation of a GIS viewer, which allows the user to "fly" over a 3-D image of their data sets.
OBVIO
A free win32 3D viewer which demonstrates Dynamic Level of Detail (DLOD), based on OpenGL and GLUT, only reads USGS DEMs. Appears to be in active development.
OpenGL Terrain Engine
An experimental OpenGL interactive terrain viewer with surface textures, clouds and reflective water capabilities. (free, with code) [Win32]
OpenSkies Training System
Free authoring tool for virtual environment training system. A low cost PC-based system which incorporates trainee performance measurement capability. [Win9x/NT/2k]
Skyline Software System
A complete, modular software collection to serve photo-based 3D interactive environments over the internet or intranets. (free, no code) [Win9x/NT/2k]
SpatialAce
Toolkit for building interactive real-time applications with 2D or 3D presentations, from simulators and command and control (C3I) to surveillance and traditional GIS systems. [Win9x/NT/2k]
TechNature Library
A collection of rendering, mathematics, and texturing functions that use fractals to "grow" everything from plants to planets with seamless procedural textures. (shareware, with source code) [Requires DirectX 6.0+]
Terrain Modelling
A number of scholarly pages covering visualization techniques, terrain morphing, generating fractal surfaces, data filtering, and a mars planetary model. (free, with code)
TerrainEditor
Create landscapes and texture them. Features include: Mesh sizes up to 2048x2048, 3DExploreView for normal FPS viewing and movement, Fractal Brownian Motion (fBm) Heightfields using Perlin Noise. An open-source, OpenGL-MFC program, by NEB Software.
TerrainPro by MultiGen-Paradigm
Produce large area terrain databases with real-world data and 3D culture (eg. roads) and imagery, skin generation, and texture mapping. Target market: Professional [Win98/NT,SGI]
TerrainView-Web
Plugin for Microsoft Internet Explorer to allow interactive visualization of high-resolution 3D terrain data directly over the internet.
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