[GRASSLIST:1089] Multiple masking using r.mask (Grass 4.2.1.) ?

[Izak Thomas Henry Deyzel]

Hello everyone,

Is it possible to do multiple masking with Grass 4.2.1. I am interested
in creating a mask for a specific geographic area, for a specific height
bin and for all the raingauges that had reported rainfall greater than a
specific threshold.

Thank you

Izak

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Izak T.H. Deyzel
Meteorological Technician
METSYS
South Africa