[GRASS-dev] [GRASS-user] r.series weights to zero

GRASS GRASS developer
1

On Tue, Jun 5, 2018 at 2:51 PM, Frank David <frank.david@geophom.fr> wrote:

Hi all Grass users,

It’s seems that r.series weights does not accept zero as weight… Is it possible ?

Yes, weights must be positive.

and so, why ?

A zero weight means that all values in this map are ignored. Zero weights can also cause the sum of weights to be zero, leading to division by zero and finally to +inf / -inf as a result.

Markus M

I’ve got the following error message when running r.series with one weight set to 0

“/usr/local/grass-7.4.0svn/etc/python/grass/script/core.py”,
line 332, in handle_errors
returncode=returncode)
grass.exceptions.CalledModuleError: Module run None

Thank you for your comment.

Frank

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