S2Polygons_intersect: for two sets of s2polygons, which ones intersect?
Description
this function is equivalent to st_intersects, in that it
returns a sparse matrix with indexes for pairs of intersecting polygons
Usage
S2Polygons_intersect(x, y)
Arguments
x
List of list of loops represented by three-column matrices.
y
List of list of loops represented by three-column matrices.