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For questions about Digital Elevation Models (DEM), Digital Terrain Models (DTM) and Digital Surface Models (DSM)

1 vote
1 answer
447 views

srtm30 image: some are grayscale some are black & white

I downloaded these DEM files, http://www.dgadv.com/srtm30/ srtm30 globe. I open the DEM files in Multispec. Some of them are black and white, some are automatically grayscale. …
Anna's user avatar
  • 117
3 votes
1 answer
1k views

Export SRTM30 Dem file as 3d

I have downloaded some SRTM Dem files here: http://dds.cr.usgs.gov/srtm/version2_1/SRTM30//srtm30 They are from the USGS site. I would like to export them as 3d. … Question: so are the SRTM DEM files exportable to be viewed in 3d via Arcscene/ Arcmap? how do you do it? …
Anna's user avatar
  • 117