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I have to create some viewsheds. I want to use the grass gis r.los. DEM as elevation, coordinates of a point collected via "coordinate capture" and the area is restricted by a second raster-layer.

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My problem is this error:

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Does somebody know what to do?

closed as off-topic by PolyGeo Nov 24 '16 at 2:43

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This problem cannot or can no longer be reproduced. Changes to the system or to the asker's circumstances may have rendered the question obsolete, or the question does not include a procedure to enable potential answerers to reproduce the same symptoms. Such questions are off-topic as they are unlikely to help future readers, but editing them to include more details can lead to re-opening." – PolyGeo
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0

The problem is most likely that your viewing position is outside your computational region:

Viewing position x = 27.367...

xmin = 26.997... xmax = 27.303...

-2

I have solved the problem myself. i need a CRS in UTM instead of a WGS. I changed it and now everything runs without a problem!

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