[Gdal-dev] vector to raster conversion
rogerjames99 at btinternet.com
Wed Aug 27 15:04:26 EDT 2003
I have tried a number of different algorithms for DEM production and I
find the one I personally like best is the RST algorithm available in
GRASS. Two other popular algorithms are IDW and Kriging, you can find
both in Grass.
> -----Original Message-----
> From: gdal-dev-admin at remotesensing.org [mailto:gdal-dev-
> admin at remotesensing.org] On Behalf Of Frank Warmerdam
> Sent: 27 August 2003 17:32
> To: gdal-dev at remotesensing.org
> Subject: Re: [Gdal-dev] vector to raster conversion
> Brian Marchand wrote:
> > Hello,
> > I know there are many GIS savvy people on this list and I was
> > if anyone knew of any vector to raster conversion code that is
> > around. My interest is in converting elevation data stored in shape
> > files to any elevation raster format supported by GDAL.
> I assume what you have is contour and possibly breakline information?
> is it point elevations? Building a decent raster DEM from contours
> breakline information is not a trivial process. I worked on some
> for it at PCI but I am not aware of anything directly available built
> You could use commercial software, like PCI. I also think there may
> decent contour to raster program in GRASS but I am not sure.
> If you just have point data, any point interpolator would likely do,
> the one in OpenEV mentioned by Tyler.
> MapServer is good for a variety of rasterization issues, but it isn't
> Best regards,
> I set the clouds in motion - turn up | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush | Geospatial Programmer for
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