Artem Pavlenko faaa4f6e3f shape: check if multiple parts are interior rings or separate ... polygons. Currently only test if first coordinate inside exterior ring and assume first ring is exterior. If this approach is not robust enough we can calculate ring orientations instead. Shape file convention is: CW - exterior, CCW - interior. very simple		2012-01-05 16:24:38 +00:00
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input	shape: check if multiple parts are interior rings or separate	2012-01-05 16:24:38 +00:00