Tagged Questions
4
votes
2answers
215 views
How to manually edit 16 bit GDEM elevation data on a Geotiff file
I'm building a virtual 3D terrain scenery using both satellite imagery (google maps satellite) and elevation data from GDEM Aster elevation data (geoTIFF format files).
My problem is that the ...
1
vote
0answers
76 views
Programmatically download NED tiles?
I used to download 1/3 arcsecond elevation geotiffs from extract.cr.usgs.gov using web services. But a few days ago, that stopped working, probably because USGS reorganized their site. I tried ...
3
votes
1answer
85 views
Help obtaining nodata information for ASTER datasets
Is there any way to determine what the nodata value should be, in a set of geotiff images that do not have the 42113 tiff tag ? I am trying to get elevation information, programatically in c++, and I ...
1
vote
0answers
46 views
Process to load elevation data into Oracle 11G
We have the National Elevation data set from USGS and considering loading it into Oracle (11G) database.
Can someone help with the process/steps?
10
votes
3answers
2k views
How to download the entire ASTER GDEMv2 dataset?
On October, NASA released the new ASTER GDEM global dataset (30m) and I have been wanting to get my hands on it. The only problem is that it takes forever to download and I do not feel like drawing ...
12
votes
3answers
2k views
Where to download free elevation data for Europe?
Where can I find free elevation data for Europe? Please mention the available resolutions and terms of use when posting a source.
