#include <gp_Pln.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <TopoDS_Face.hxx>
+#include <TopoDS.hxx>
+#include <BRep_Tool.hxx>
+#include <Geom_Plane.hxx>
boost::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_FaceBuilder::square(
boost::shared_ptr<GeomAPI_Pnt> theCenter, boost::shared_ptr<GeomAPI_Dir> theNormal,
aRes->setImpl(new TopoDS_Shape(aFaceBuilder.Face()));
return aRes;
}
+
+boost::shared_ptr<GeomAPI_Pln> GeomAlgoAPI_FaceBuilder::plane(
+ boost::shared_ptr<GeomAPI_Shape> theFace)
+{
+ boost::shared_ptr<GeomAPI_Pln> aResult;
+ if (!theFace) return aResult; // bad shape
+ TopoDS_Shape aShape = theFace->impl<TopoDS_Shape>();
+ if (aShape.IsNull()) return aResult; // null shape
+ TopoDS_Face aFace = TopoDS::Face(aShape);
+ if (aFace.IsNull()) return aResult; // not face
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+ if (aSurf.IsNull()) return aResult; // no surface
+ Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurf);
+ if (aPlane.IsNull()) return aResult; // not planar
+ double aA, aB, aC, aD;
+ aPlane->Coefficients(aA, aB, aC, aD);
+ aResult = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
+ return aResult;
+}