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Nov
25
awarded  Notable Question
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accepted Exporting DEM-derived rasters to CSV from QGIS?
Dec
5
comment Exporting DEM-derived rasters to CSV from QGIS?
That's perfect @whuber. So the question becomes, how do I combine my slope and elevation bands into one file in any of these formats using the Grass plugin for QGIS?
Dec
5
comment Exporting DEM-derived rasters to CSV from QGIS?
@elrobis, that makes sense. In that context it would seem that I want to export my slope and elevation data to a two band file format.
Dec
5
comment Exporting DEM-derived rasters to CSV from QGIS?
Hi @whuber, I have not strong requirements short of being able to query for slope and elevation at a designated point. I am not familiar with BIP and BIL formats however so if you could provide a link to documentation on them that would help.
Dec
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awarded  Editor
Dec
5
comment Exporting DEM-derived rasters to CSV from QGIS?
Hi @elrobis, what is a two-band raster? (I'm new to GIS.)
Dec
5
revised Exporting DEM-derived rasters to CSV from QGIS?
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awarded  Custodian
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5
reviewed Approve Exporting DEM-derived rasters to CSV from QGIS?
Dec
5
asked Exporting DEM-derived rasters to CSV from QGIS?
Dec
5
comment How to extract slope from topographic raster map?
I want to accept one of the answers below however I could not have solved my problem without a bit from each. From Bernie's post I needed the second part of the tutorial he linked. From markusN I needed to know about the r.surf.contour and r.slope.aspect commands in Grass. From nhopton I needed the fact that there are DEMs available for download. If someone wants to incorporate all of these things into their answer then I could accept it as the most complete answer. Thanks again for the help everyone.
Nov
27
comment How to extract slope from topographic raster map?
I have applied the r.surf.contour but the DEM it creates is nothing like it should be. In fact it appears to just be noise. I assume I'm supposed to supply my topo-map to it, is that correct?
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