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Parameters for [Build-Check Polygons-Polygons] Dialog Box
Intersection
Checks for polygons intersecting with another polygon at points other than at shared vertices and
edges.
ex.) Polygons intersecting with each other
Degeneration
Checks for polygons whose edges intersect with each other at points other than at shared vertices.
ex.) Triangular polygon whose three vertices are positioned on a straight line
Orientation
Checks for polygons that share an edge and face opposite each other.
ex.) Polygons sharing one edge and facing opposite each other
Connection
Checks for polygons that share more than three vertices or two non-edge vertices.
ex.) Quadrangular polygons sharing three vertices
ex.) Triangular polygon having as an edge the diagonal edge of a quadrangular polygon
Singularity
Checks for polygons connected to a vertex of conical polygons.
*All the polygons connected to a vertex will be detected.
ex.) Triangular polygon sharing its vertex with a
conical polygon
Vertex 1 Vertex 2 Vertex 3
Front
Front
Front
Front
Back
Quadrangular polygon A
Quadrangular polygon B
Build – Check Polygons – Polygons