+ // Verify planarity of faces and linearity of edges
+ std::shared_ptr<GeomAPI_Shape> aShapes[2] = {aStartShape, anEndShape};
+ for (int i = 0; i < 2; i++) {
+ if (aShapes[i]->isFace()) {
+ std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aShapes[i]));
+ if (!aFace->isPlanar()) {
+ static const std::string aPlanarityError = "Error: One of selected faces is not planar.";
+ setError(aPlanarityError);
+ return;
+ }
+ }
+ else if (aShapes[i]->isEdge()) {
+ std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShapes[i]));
+ if (!anEdge->isLine()) {
+ static const std::string aLinearityError = "Error: One of selected endges is not linear.";
+ setError(aLinearityError);
+ return;
+ }
+ }
+ }
+