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Using the AGSSketchEditor, is there any way to detect self-intersecting polygons?

Question asked by Sven.Aanesengeodata-no-esridist Employee on Nov 7, 2017

Using the ArcGIS iOS SDK version 100.1.1.

Trying to test using AGSGeometryEngine.geometryIsSimple(drawnGeometry), but this only leads to more mystery. If I'm drawing to polygon clockwise, I can use geometryIsSimple to test if it is self-intersecting, but drawing counter clockwise this will always return false even if I draw a normal rectangle which is not self-intersecting.