src/GeomAPI/GeomAPI_Edge.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        GeomAPI_Edge.cpp
   4 // Created:     24 Jul 2014
   5 // Author:      Artem ZHIDKOV
   6
   7 #include<GeomAPI_Edge.h>
   8 #include<GeomAPI_Pnt.h>
   9 #include<GeomAPI_Circ.h>
  10 #include<GeomAPI_Dir.h>
  11
  12 #include <TopoDS_Shape.hxx>
  13 #include <TopoDS_Edge.hxx>
  14 #include <TopoDS.hxx>
  15 #include <BRep_Tool.hxx>
  16 #include <Geom_Curve.hxx>
  17 #include <Geom_Line.hxx>
  18 #include <Geom_Circle.hxx>
  19 #include <GeomAdaptor_Curve.hxx>
  20 #include <gp_Ax1.hxx>
  21
  22 GeomAPI_Edge::GeomAPI_Edge()
  23   : GeomAPI_Shape()
  24 {
  25 }
  26
  27 GeomAPI_Edge::GeomAPI_Edge(const std::shared_ptr<GeomAPI_Shape>& theShape)
  28 {
  29   if (!theShape->isNull() && theShape->isEdge()) {
  30     setImpl(new TopoDS_Shape(theShape->impl<TopoDS_Shape>()));
  31   }
  32 }
  33
  34 bool GeomAPI_Edge::isLine() const
  35 {
  36   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  37   double aFirst, aLast;
  38   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  39   if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
  40     return true;
  41   return false;
  42 }
  43
  44 bool GeomAPI_Edge::isCircle() const
  45 {
  46   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  47   double aFirst, aLast;
  48   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  49   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && aCurve->IsClosed())
  50     return true;
  51   return false;
  52 }
  53
  54 bool GeomAPI_Edge::isArc() const
  55 {
  56   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  57   double aFirst, aLast;
  58   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  59   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && !aCurve->IsClosed())
  60     return true;
  61   return false;
  62 }
  63
  64 std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::firstPoint()
  65 {
  66   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  67   double aFirst, aLast;
  68   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  69   gp_Pnt aPoint;
  70   aCurve->D0(aFirst, aPoint);
  71   return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
  72 }
  73
  74 std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::lastPoint()
  75 {
  76   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  77   double aFirst, aLast;
  78   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  79   gp_Pnt aPoint;
  80   aCurve->D0(aLast, aPoint);
  81   return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
  82 }
  83
  84 std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle()
  85 {
  86   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  87   double aFirst, aLast;
  88   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
  89   if (aCurve) {
  90     Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
  91     if (aCirc) {
  92       gp_Pnt aLoc = aCirc->Location();
  93       std::shared_ptr<GeomAPI_Pnt> aCenter(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
  94       gp_Dir anAxis = aCirc->Axis().Direction();
  95       std::shared_ptr<GeomAPI_Dir> aDir(new GeomAPI_Dir(anAxis.X(), anAxis.Y(), anAxis.Z()));
  96       return std::shared_ptr<GeomAPI_Circ>(new GeomAPI_Circ(aCenter, aDir, aCirc->Radius()));
  97     }
  98   }
  99   return std::shared_ptr<GeomAPI_Circ>(); // not circle
 100 }
 101
 102
 103 bool GeomAPI_Edge::isEqual(std::shared_ptr<GeomAPI_Shape> theEdge)
 104 {
 105   const TopoDS_Shape& aMyShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
 106   const TopoDS_Shape& aInShape = theEdge->impl<TopoDS_Shape>();
 107
 108   double aMyStart, aMyEnd;
 109   Handle(Geom_Curve) aMyCurve = BRep_Tool::Curve(TopoDS::Edge(aMyShape), aMyStart, aMyEnd);
 110   double aInStart, aInEnd;
 111   Handle(Geom_Curve) aInCurve = BRep_Tool::Curve(TopoDS::Edge(aInShape), aInStart, aInEnd);
 112
 113   // Check that curves a the same type
 114   GeomAdaptor_Curve aMyAdaptor(aMyCurve);
 115   GeomAdaptor_Curve aInAdaptor(aInCurve);
 116   if (aMyAdaptor.GetType() != aInAdaptor.GetType())
 117     return false;
 118
 119   // Check that end point parameters are the same
 120   if ((aMyStart != aInStart) || (aMyEnd != aInEnd))
 121     return false;
 122
 123   // Check that end points are equal
 124   gp_Pnt aMyPnt1 = aMyAdaptor.Value(aMyStart);
 125   gp_Pnt aMyPnt2 = aMyAdaptor.Value(aMyEnd);
 126   gp_Pnt aInPnt1 = aInAdaptor.Value(aInStart);
 127   gp_Pnt aInPnt2 = aInAdaptor.Value(aInEnd);
 128
 129   if ((!aMyPnt1.IsEqual(aInPnt1, Precision::Confusion())) ||
 130     (!aMyPnt2.IsEqual(aInPnt2, Precision::Confusion())))
 131     return false;
 132
 133   return true;
 134 }