internal static bool HasNonEmptyBoundary(com.epl.geometry.Geometry geom, com.epl.geometry.ProgressTracker progress_tracker) { if (geom.IsEmpty()) { return(false); } com.epl.geometry.Geometry.Type gt = geom.GetType(); if (gt == com.epl.geometry.Geometry.Type.Polygon) { if (geom.CalculateArea2D() == 0) { return(false); } return(true); } else { if (gt == com.epl.geometry.Geometry.Type.Polyline) { bool[] b = new bool[1]; b[0] = false; CalculatePolylineBoundary_(geom._getImpl(), progress_tracker, true, b); return(b[0]); } else { if (gt == com.epl.geometry.Geometry.Type.Envelope) { return(true); } else { if (com.epl.geometry.Geometry.IsSegment(gt.Value())) { if (!((com.epl.geometry.Segment)geom).IsClosed()) { return(true); } return(false); } else { if (com.epl.geometry.Geometry.IsPoint(gt.Value())) { return(false); } } } } } return(false); }