1 // Created on: 1998-11-25
2 // Created by: Denis PASCAL
3 // Copyright (c) 1998-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <BRep_Tool.hxx>
19 #include <Draw_Color.hxx>
20 #include <Draw_Display.hxx>
21 #include <DrawDim_PlanarDiameter.hxx>
23 #include <Geom_Circle.hxx>
24 #include <Geom_Curve.hxx>
25 #include <gp_Circ.hxx>
27 #include <Standard_Type.hxx>
28 #include <TCollection_AsciiString.hxx>
31 #include <TopoDS_Face.hxx>
32 #include <TopoDS_Shape.hxx>
33 #include <TopoDS_Vertex.hxx>
35 IMPLEMENT_STANDARD_RTTIEXT(DrawDim_PlanarDiameter,DrawDim_PlanarDimension)
37 //=======================================================================
38 //function : DrawDim_PlanarDiameter
40 //=======================================================================
41 DrawDim_PlanarDiameter::DrawDim_PlanarDiameter(const TopoDS_Face& face, const TopoDS_Shape& c)
48 //=======================================================================
49 //function : DrawDim_PlanarDiameter
51 //=======================================================================
53 DrawDim_PlanarDiameter::DrawDim_PlanarDiameter(const TopoDS_Shape& c)
59 //=======================================================================
62 //=======================================================================
64 void DrawDim_PlanarDiameter::DrawOn(Draw_Display& dis) const
66 if (myCircle.ShapeType() == TopAbs_EDGE) {
68 Handle(Geom_Curve) curve = BRep_Tool::Curve (TopoDS::Edge(myCircle),f,l);
69 if (curve->IsKind(STANDARD_TYPE(Geom_Circle))) {
70 gp_Circ circle = Handle(Geom_Circle)::DownCast(curve)->Circ();
72 TopExp::Vertices(TopoDS::Edge(myCircle),vf,vl);
73 const gp_Pnt first = BRep_Tool::Pnt(vf);
74 Standard_Real parfirst = ElCLib::Parameter(circle,first);
75 Standard_Real parlast = (parfirst + M_PI);
76 gp_Pnt last = ElCLib::Value(parlast,circle);
78 dis.Draw (first,last);
79 gp_Pnt p ((first.X()+ last.X())/2,(first.Y()+ last.Y())/2,(first.Z()+ last.Z())/2);
85 cout << " DrawDim_PlanarDiameter::DrawOn : dimension error" << endl;