src/GeomAPI/GeomAPI_PlanarEdges.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <GeomAPI_Interface.h>
  22 #include <GeomAPI_PlanarEdges.h>
  23
  24 #include <Standard_TypeDef.hxx>
  25 #include <TopAbs_ShapeEnum.hxx>
  26
  27 #include <TopoDS.hxx>
  28 #include <TopoDS_Edge.hxx>
  29 #include <TopoDS_Wire.hxx>
  30 #include <BRep_Builder.hxx>
  31 #include <BRepTools_WireExplorer.hxx>
  32 #include <TopExp_Explorer.hxx>
  33
  34 #include <list>
  35
  36 GeomAPI_PlanarEdges::GeomAPI_PlanarEdges() : GeomAPI_Shape()
  37 {
  38   TopoDS_Compound aBigWireImpl;
  39   BRep_Builder aBuilder;
  40   aBuilder.MakeCompound(aBigWireImpl);
  41   this->setImpl(new TopoDS_Shape(aBigWireImpl));
  42 }
  43
  44 void GeomAPI_PlanarEdges::addEdge(std::shared_ptr<GeomAPI_Shape> theEdge)
  45 {
  46   const TopoDS_Edge& anEdge = theEdge->impl<TopoDS_Edge>();
  47   if (anEdge.ShapeType() != TopAbs_EDGE)
  48     return;
  49   TopoDS_Shape& aWire = const_cast<TopoDS_Shape&>(impl<TopoDS_Shape>());
  50   BRep_Builder aBuilder;
  51   aBuilder.Add(aWire, anEdge);
  52 }
  53
  54 std::list<std::shared_ptr<GeomAPI_Shape> > GeomAPI_PlanarEdges::getEdges()
  55 {
  56   TopoDS_Shape& aShape = const_cast<TopoDS_Shape&>(impl<TopoDS_Shape>());
  57   TopExp_Explorer aWireExp(aShape, TopAbs_EDGE);
  58   std::list<std::shared_ptr<GeomAPI_Shape> > aResult;
  59   for (; aWireExp.More(); aWireExp.Next()) {
  60     std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
  61     anEdge->setImpl(new TopoDS_Shape(aWireExp.Current()));
  62     aResult.push_back(anEdge);
  63   }
  64   return aResult;
  65 }
  66
  67 bool GeomAPI_PlanarEdges::hasPlane() const {
  68   return myPlane.get() != NULL;
  69 }
  70
  71 bool GeomAPI_PlanarEdges::isVertex() const {
  72   return false;
  73 }
  74
  75 bool GeomAPI_PlanarEdges::isEdge() const {
  76   return false;
  77 }
  78
  79 std::shared_ptr<GeomAPI_Pnt> GeomAPI_PlanarEdges::origin() const
  80 {
  81   if (hasPlane())
  82     return myPlane->origin();
  83   return std::shared_ptr<GeomAPI_Pnt>();
  84 }
  85
  86 std::shared_ptr<GeomAPI_Dir> GeomAPI_PlanarEdges::dirX() const
  87 {
  88   if (hasPlane())
  89     return myPlane->dirX();
  90   return std::shared_ptr<GeomAPI_Dir>();
  91 }
  92
  93 std::shared_ptr<GeomAPI_Dir> GeomAPI_PlanarEdges::dirY() const
  94 {
  95   if (hasPlane())
  96     return myPlane->dirY();
  97   return std::shared_ptr<GeomAPI_Dir>();
  98 }
  99
 100 std::shared_ptr<GeomAPI_Dir> GeomAPI_PlanarEdges::norm() const
 101 {
 102   if (hasPlane())
 103     return myPlane->normal();
 104   return std::shared_ptr<GeomAPI_Dir>();
 105 }
 106
 107 bool GeomAPI_PlanarEdges::isPlanar() const
 108 {
 109   return true;
 110 }
 111
 112 void GeomAPI_PlanarEdges::setPlane(const std::shared_ptr<GeomAPI_Pnt>& theOrigin,
 113                                    const std::shared_ptr<GeomAPI_Dir>& theDirX,
 114                                    const std::shared_ptr<GeomAPI_Dir>& theNorm)
 115 {
 116   myPlane = std::shared_ptr<GeomAPI_Ax3>(new GeomAPI_Ax3(theOrigin, theDirX, theNorm));
 117 }
 118
 119 bool GeomAPI_PlanarEdges::isEqual(const std::shared_ptr<GeomAPI_Shape> theShape) const
 120 {
 121   if (!theShape.get())
 122     return false;
 123   TopoDS_Shape& aMyShape = const_cast<TopoDS_Shape&>(impl<TopoDS_Shape>());
 124   TopoDS_Shape aTheShape = theShape->impl<TopoDS_Shape>();
 125   if (aMyShape.ShapeType() != aTheShape.ShapeType()) // to don't confuse by the face of same edges
 126     return false;
 127   TopExp_Explorer aMyExp(aMyShape, TopAbs_EDGE);
 128   TopExp_Explorer aTheExp(aTheShape, TopAbs_EDGE);
 129   for (; aMyExp.More() && aTheExp.More(); aMyExp.Next(), aTheExp.Next()) {
 130     // check that edge by edge all geometrically matches
 131     std::shared_ptr<GeomAPI_Edge> aMyEdge(new GeomAPI_Edge);
 132     aMyEdge->setImpl<TopoDS_Shape>(new TopoDS_Shape(aMyExp.Current()));
 133     std::shared_ptr<GeomAPI_Edge> aTheEdge(new GeomAPI_Edge);
 134     aTheEdge->setImpl<TopoDS_Shape>(new TopoDS_Shape(aTheExp.Current()));
 135     if (!aMyEdge->isEqual(aTheEdge))
 136       return false;
 137   }
 138   return !(aMyExp.More() || aTheExp.More());
 139 }