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dma_area
2009 Oct 19
1
Spatstat: xy binary data into mask type to use in owin(mask=)
...be
considered as part of the area.
I have managed to export one of these areas using owin(poly=list()),
including in the list the number of external boundaries and holes, but the
number of polygons that constitute each area is large and I was wondering if
this could be easily done using owin(mask=my_area), using only one single
matrix file "my_area" with TRUE, FALSE values defining the whole area.
Here is where I got stuck. The file I have created in ArcMap contains three
columns: x and y coordinates, and the values at points x[i], y[j] (1 if the
area is TRUE and 0 is the area is FALSE)...