[GRASS-user] r.slope.aspect edge

[Hamish]

YuGo wrote:
> I tried to make slope raster from text file.
> This raster have white edge(1px).
> How to create no edge file?

It can't calculate the slope for the outside edge as it doesn't know the
elevation of the area beyond the region. The outside edge should be
nulls, and the nulls are being drawn as white using the current color
settings (r.color).

d.rast -o slopemap

should skip drawing the nulls.



Hamish