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What value should be used for scale while calculating slope percent in QGIS?
Some documents suggest is as 111120 and some as 365130.
I am using ESPG 4326 projection and do I need to convert this value to some other value using lat like given in this link:
The link you provided says:
scale=370400 (if elevation is in feet) or scale=111120 (if elevation is in meters)
So, what units are you using for elevation? Feet or meters?
And if you want to do this simpler, you could reproject to a CRS that uses the same units as your elevation measure.
