Topography

The following 3D topography functions are available:

Function	Description
ST_Drape	Drape a geometry to a set of triangles
ST_TriangleAspect	Return the aspect of a triangle
ST_TriangleContouring	Split triangles into smaller triangles according to classes
ST_TriangleDirection	Compute the direction of steepest ascent of a triangle
ST_TriangleSlope	Compute the slope of a triangle as a percentage
ST_Voronoi	Create a Voronoï diagram

• ST_Drape
• ST_TriangleAspect
• ST_TriangleContouring
• ST_TriangleDirection
• ST_TriangleSlope
• ST_Voronoi