[gdal-dev] 3D maps

[Jeshua Lacock]

On Nov 27, 2007, at 12:05 AM, Malm Paul wrote:

> I have a geometry set of triangles (e.g land area), including
> elevations.
> To be able to view e.g roads ontop those triangles I must insert  
> points
> in the road polylines with the correct elevation in each intersection
> (roadline - triangle border). Att the same time I would like to insert
> the correct elevation of the original points of the road-polyline. is
> there a command that could do this for me?

Hello

I am not sure about GDAL, however, GRASS GIS certainly has the  
functionality.

In fact, with a single command you can covert 2D vectors to 3D:

	v.drape -[ B | C ] input=2D_vector output=3D_vector rast=elevation


Cheers,

Jeshua Lacock, Owner
<http://OpenOSX.com>
phone: 877.240.1364