You're SRTM has geographical CRS (WGS84). You must keep into account when doing morphological analysis. If you reproject it to a planar projections (e.g. UTM) the results are correct.
giovanni 2012/4/10 Rudi Thiede <r...@linfiniti.com> > I've got a DEM, basically a cut-out of SRTM data. Trying to calculate its > slope gives me extremely weird output, such that all values are >89 degrees. > > Dataset: http://linfiniti.com/~rudi/SRTM.zip > > Can anyone confirm? I'm suspecting a local issue though, not the data ... > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user > >
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