[osg-users] [vpb] Building terrain from the set of points (northing, easting, elevation)

Chris 'Xenon' Hanson xenon at alphapixel.com
Fri Nov 20 13:14:42 PST 2009

Janna Terde wrote:
> Hi all!
> I am looking for a toolkit which can help me to render a terrain.
> As an input data I have a set points (stored in a ascii file). Each point has easting, northing and elevation values.
> Would you suggest to use VPB for this purpose? I was looking also into osgTerrain module but did not find any documentation about it yet. Another direction I have in mind is to use osgEarth. 
> Thank you very much for taking your time to read my post and I will appreciate any suggestions!

  Use something like GDAL to turn this sparse point set into a gridded DEM raster, and
then feed that to VPB to build it into terrain.

  Don't mess with hand-rolling heightfields as you mentioned in your previous message. VPB
knows best what it is doing for representing terrain.

Chris 'Xenon' Hanson, omo sanza lettere                  Xenon AlphaPixel.com
PixelSense Landsat processing now available! http://www.alphapixel.com/demos/
"There is no Truth. There is only Perception. To Perceive is to Exist." - Xen

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