When I try to use the getBoundary() method on a GeometryCollection I get the following error: java.lang.IllegalArgumentException: This method does not support GeometryCollection arguments at com.vividsolutions.jts.geom.Geometry.checkNotGeometryCollection(Geometry.java:1487) at com.vividsolutions.jts.geom.GeometryCollection.getBoundary(GeometryCollection.java:152)
I have a collection of polygons (countries) and I want to randomly choose points which lie within any of the polygons (which are adjacent). If I could calculate the border of the collection it would prevent me from iterating over all the polygons each time I draw a new random point. Is there an easier way to do this?
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