[mapserver-users] Elevation-like map

[Roger André]

What information does your shapefile contain, elevation points? If so, and
if they are regularly spaced, you can probably use the GMT utility xyz2grd,
http://gmt.soest.hawaii.edu/gmt/doc/gmt/html/man/xyz2grd.html.  Otherwise
you will need to interpolate the points into a regular grid, and my only
experience doing this is with ArcGIS's Spatial Analyst.  I would imagine
GRASS has similar capability though.  I'd be curious to hear other
suggestions as well.

Roger
--

On Tue, Apr 14, 2009 at 7:01 AM, Nelson Correia <nelsonwc7 at hotmail.com>wrote:

>
> Hi,
>
> Thanks for the quick answers.
>
> Do you know how can I convert a shapefile to a suitable format for those
> apps (either rel.py or DEM utilities)? I've searched the documentation, but
> I didn't find that info.
>
> Thanks,
>
> Nelson Correia
>
> > Date: Mon, 13 Apr 2009 15:39:44 -0400
> > From: jmckenna at gatewaygeomatics.com
> > To: mapserver-users at lists.osgeo.org
> > Subject: Re: [mapserver-users] Elevation-like map
>
> >
> >
> > >
> > > - Step 2: Create a hillshade layer. (I use rel.py with gdal to do this,
>
> > > but you can do it with something else.)
> > >
> >
> > A handy toolset is the "DEM Utilities"
> > (http://www.perrygeo.net/wordpress/?p=7), which, if you're a Windows
> > user, are available in MS4W.
> >
> > -jeff
> >
> >
> >
> > --
> > Jeff McKenna
> > FOSS4G Consulting and Training Services
> > http://www.gatewaygeomatics.com/
> >
> >
> >
> >
> > _______________________________________________
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> > mapserver-users at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>
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