PostGIS
2.5.7dev-r@@SVN_REVISION@@
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PIP(): crossing number test for a point in a polygon input: P = a point, V[] = vertex points of a polygon V[n+1] with V[n]=V[0].
Definition at line 415 of file shp2pgsql-core.c.
References struct_ring::n, struct_point::x, struct_point::y, and pixval::y.
Referenced by FindPolygons().