8
votes
Accepted
How to if a polygon is within a concave area of another?
This could work but it depends on the shape of your polygons:
Convex hull the grey polygons
Difference output with grey polygons, to create bay polygons (orange in the screenshot)
Singlepart these to ...
- 64k
1
vote
Accepted
Check if a file exists in a GRASS mapset
This seems to work for me, using the bash if [ -z $variable ]; then... form:
(I have a raster named 'cov')
eval `g.findfile element=cell file=cov`
echo $name
cov
if [ -z ${name} ]; then echo "...
- 15.3k
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