This question apparently relates to the mask() function from the
"raster" package. This should have been made clear.
You might find the function complement.owin() in the "spatstat"
package helpful.
cheers,
Rolf Turner
On 14/06/12 08:42, Celine wrote:
Hi
I need some help with the function mask I have a polygon and I want to
extract data for all the world except for the polygon
I write this code but it doesn't work, do you have any idea of the problem ?
how can I do that ?
worldmask=mask(invHS,hotspot,inverse=TRUE)
worldmask=mask(invHS,hotspot,reverse=TRUE)
Thanks a lot for your help,
Céline
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