TerrainCAD for AutoCAD is a terrain modeling plug-in for AutoCAD®. This plug-in gives AutoCAD the ability to create a terrain mesh from a set of unordered points, lines and polylines. The terrain mesh is created as a Delaunay Triangulation, which is regarded as the best method to create a terrain mesh from unorganized point data. TerrainCAD for AutoCAD can also import a set of points from a text file containing point coordinate data along with point numbers and point descriptions. TerrainCAD for AutoCAD is powered by TerrainLib, a state of the art terrain modeling library developed by SYCODE. TerrainCAD for AutoCAD is very easy to use. Once installed, it automatically loads itself into AutoCAD and adds a new submenu called "TerrainCAD" to the AutoCAD menu. The 'TerrainCAD' menu consists of the following commands: TCImportPoints - Import points from a text file TCCreateTerrain - Create a mesh from a set of unordered points, lines and polylines TCHelp - Displays the TerrainCAD for AutoCAD help file TCRegister - Registers your copy of TerrainCAD for AutoCAD TCAbout - Displays the TerrainCAD for AutoCAD about box