Hello,
I am performing neighborhood analyses with the r.mfilter module.It is very good 
because of its versatility - one can define the filtering matrix as one 
wants.However, it does not process the edges of the map, or at least it seems 
so.If the filter matrix size is e.g. 25x25 pixels, the output shows the 25 
pixels of the edgesimilar to the input map.
Other modules for neighborhood analyses, however, such as r.neighbors, have a 
way to deal with that in the borders - dealing with null values.
Does anyone know a way of having such an output - without border effects - for 
r.mfilter?If not, is it possible to implement it? (I cannot contribute much 
here because of my limited C knowledge...)
If necessary, I can provide a reprex!Thanks in advance!
Bernardo  
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