2D AND 3D Software problem

[Ed Bartlett]

Yeah thats right. I need to use the 2D outlines of the buildings that are obviously on one flat plane, and have them cut out of freeform landscape a set depth. There is a software that does it but i cant define it well enough when searching.

[irving2008]

I suspect this is either some proprietary software or a function in a very high-end CAD package. What have you been searching on?

Some of the terrain functions in GIS tools such as Geomantics GenesisIV might do the trick. But they are very expensive just for this purpose.