[Qgis-user] Slope aspect curvature

[nagyrobi_r]

Hey! Im using Qgis 2.6 on a 64 bit windows platform. I need to process 140
DEMs and i would like to make an automatic process to calculate Slope aspect
curvature. In order to do the script i need the command itself for the slope
aspect curvature. I have tried :

import processing
processing.runalg("saga:slopeaspectcurvature", 'D:/data/dem.tif',
1,'D:/data/slope/dem_slope.tif',None, None, None, None)

the process creates a slope map at my given path, but the value of ranges is
between 0 and 1. As i know it should be between 0-90 degrees. if i execute
it from the toolbox, the range is different( even if percentages are used).
in any case the values are totally different. Because the slope has a
different range every other map(aspect, curvatures) have bad values.

Other ways to compute slope aspect from console or python script? Any
suggestions what i am missing or doing wrong?

Thank you a lot!



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