[R-sig-Geo] Intersection of grid and polygon
Angelika Gummert
Angelika.Gummert at gmx.de
Thu Jun 25 16:23:39 CEST 2015
Hi,
I am trying to intersect a grid with a polygon, since I want to calculate
the polygon area in each grid cell. Before I did the intersection, I
transformed my grid into a SpatialPolygon. In total it has 2242 features
(cells). My other polygon has 39746 features, since it consists of many tiny
parts. When I try to intersect them with intersect(), I am getting a
SpatialPolygon with 40439 features and not with 2242 or less . I tried the
same analysis with the 2242 cell grid and a Polygon with only 1 feature and
it worked. Is there a way to reduce the features to 1 ? Or do I have to use
another intersect function? I need 2242 grid cells or less as result since I
want to calculate the polygon area in each grid cell. I don't know how I can
solve this problem. Do you have any suggestions?
With best regards,
Angelika Gummert
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