Re: [gdal-dev] elevetions from ASTER GDEM V2

2013-01-25 Thread Nick Ves
If the spatial resulution is fine for your problem, then as Tyler suggested, you can use gdallocationinfo [1] to get the pixel value at Long,Lat location. If you think you need to downscale your data to your needs, you can first built a vrt (virtual dataset) with gdal's gdalbuildvrt [2] and -tr

[gdal-dev] elevetions from ASTER GDEM V2

2013-01-24 Thread Elias Kotsifis
Hello I want to calculate the elevation of any point on earth, giving lat, Long (for example like google elevation Api, or the earth tools: http://www.earthtools.org/webservices.htm # cheigit) based the ASTER GDEM MODEL V2. I went to download data from there, and gives me geotiff files. Overall

Re: [gdal-dev] elevetions from ASTER GDEM V2

2013-01-24 Thread Jean-Claude Repetto
On 24/01/2013 20:43, Elias Kotsifis wrote: Hello I want to calculate the elevation of any point on earth, giving lat, Long (for example like google elevation Api, or the earth tools: http://www.earthtools.org/webservices.htm # cheigit) based the ASTER GDEM MODEL V2. I went to download

Re: [gdal-dev] elevetions from ASTER GDEM V2

2013-01-24 Thread Tyler Mitchell
On 2013-01-24, at 11:43 AM, Elias Kotsifis wrote: I want to calculate the elevation of any point on earth, giving lat, Long (for example like google elevation Api, or the earth tools: http://www.earthtools.org/webservices.htm # cheigit) based the ASTER GDEM MODEL V2. I went to download