[GRASS-dev] r.slope.aspect: one pixel less in the output at the border shrinks region extent in further calculations

[Helmut Kudrnovsky]

Hi Pietro,

>this is not a bug. 

I unterstand the same. my question is more about how to implemented the
mentioned iterative algorithm which uses coarser resolution by each step and
how to avoid an extent shrinking of e.g. about 400m with the coarsest
resolution.



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best regards
Helmut
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