I'm trying to read multiple elevations from a USGS 1/3 arc-second IMG / GeoTIFF file. A sample of the files is available here (5 MB): http://tdds3.cr.usgs.gov/Ortho9/ned/ned_13/img/n43w108.zip I can ...
Update: A good example of my confusion: on the Wikipedia page for "digital terrain model" one can find the following statement about a satellite in the "See Also" section: TanDEM-X: generation of ...
I'm trying to get an elevation profile from a geotif file ( downloaded from http://srtm.csi.cgiar.org/). I downloaded the libgeotiff library but i can's see any function that can return an elevation ...
My current pet project involves creating a web service that uses the CGIAR SRTM worldwide elevation data set. Each request to the service will query for elevation data from a small geographic area. ...
I have tried reading up on WMS on wiki and other sources but haven't managed to get my head around a couple of points. 1) Using WMS is it possible to get a local copy of the raster data (say a tiff ...