32-bit terrain/heightfield/bumpmap modeler. Edit on a 2D overview (nadir) map while simultaneously viewing in 3D. Use OpenGL or raytraced rendering. Numerous plug-ins available, many DEM and image file formats supported including GeoTIFF, SDTS, OBJ, POV-Ray, RIB, VRML, etc.
What's new in version 3.2
In version 3.2 vector shapes can be filled and stroked with color, GDAL 1.6.2 lib used instead of 1.5.