There is no way to use a vector geometry in mapcalculator (or mapcalc)
directly, hence, you have to convert it to raster before.
Christian.
--------------------------------------------------
From: "António Rocha" <[email protected]>
Sent: Thursday, May 27, 2010 2:08 PM
To: "GRASS user list" <[email protected]>
Subject: [GRASS-user] Using a polygon as a Mask
Greetings
I have polygon that I want to use to define an for which I want to
calculate some indicators (almost as a mask). Is it possible to use it
directly in mapcalculator or do I have to convert it to RASTER and only
then I can use it in mapcalculator as a mask?
Thanks
Best regards,
Antonio
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