here is an example of Zoo's Web Processing Service that gets the elevation
along a path:
http://www.zoo-project.org/site/ZooWebSite/Demo/GdalProfile
and here is the source for it:
http://www.zoo-project.org/trac/browser/trunk/zoo-services/gdal/profile/service.c
you should be able to do the same thing as a geoserver WPS. to add such WPS you
need to use the QuickStart guide to download geoserver source and compile
wps-core extention. Since you should be able to use GDAL through a geoserver
WPS, your code should be mostly similar to what you see in Zoo's "Elevation
Profile" service.
for info on how to make you own WPS you can look at Anrea's post here:
http://osgeo-org.1803224.n2.nabble.com/Add-a-WPS-process-to-GeoServer-td6112468.html
Syrus Mesdaghi
Northrop Grumman Information Systems
Chantilly, VA
Email: Syrus.Mesdaghi at ngc.com
Office: 703-227-1614
Date: Tue, 29 Mar 2011 11:20:38 +1000
From: s...@immortal.net.au
To: geoserver-users@lists.sourceforge.net
Subject: [Geoserver-users] Geoserver to provide elevation data along a path.
Just curious if it would be possible to use GeoServer and WFS queries (or some
other method) to provide a functionality similar to the Google Maps elevation
API whereby I could provide a query to the server with a number of points, a
linestring or similar and have it return an array of elevation data points
along that path?
The google service is perfect, except that I would Ideally like to run in an
"offline" environment and also provide my own higher-accuracy DEM data.
Thanks
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