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I am making a slope raster in QGIS from DEM. My DEM was made using WGS84 coordinates system. Do I need to be using a z scale conversion factor ? If so what would that be?

marked as duplicate by ahmadhanb, MappaGnosis, mgri, PolyGeo May 12 '17 at 9:00

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    What are the spatial units of your DEM? – MappaGnosis May 12 '17 at 6:42
  • I'm not sure how I find that out. they told me it should be compatible with wgs84. And a map that was produced from it displays measurement in feet, yards. – MrCarbon May 12 '17 at 20:05
  • @MappaGnosis, Can I get your contact info? – MrCarbon May 15 '17 at 17:26

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