src/GeomAlgoAPI/GeomAlgoAPI_EdgeBuilder.cpp

   1 // File:        GeomAlgoAPI_EdgeBuilder.cpp
   2 // Created:     23 Apr 2014
   3 // Author:      Mikhail PONIKAROV
   4
   5 #include <GeomAlgoAPI_EdgeBuilder.h>
   6 #include <gp_Pln.hxx>
   7 #include <BRepBuilderAPI_MakeEdge.hxx>
   8 #include <TopoDS_Edge.hxx>
   9 #include <TopoDS.hxx>
  10 #include <BRep_Tool.hxx>
  11 #include <Geom_Plane.hxx>
  12
  13 #include <gp_Ax2.hxx>
  14 #include <gp_Circ.hxx>
  15
  16 boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::line(
  17   boost::shared_ptr<GeomAPI_Pnt> theStart, boost::shared_ptr<GeomAPI_Pnt> theEnd)
  18 {
  19   const gp_Pnt& aStart = theStart->impl<gp_Pnt>();
  20   const gp_Pnt& anEnd = theEnd->impl<gp_Pnt>();
  21
  22   if (aStart.IsEqual(anEnd, Precision::Confusion()))
  23     return boost::shared_ptr<GeomAPI_Edge>();
  24   if (Abs(aStart.SquareDistance(anEnd)) > 1.e+100)
  25     return boost::shared_ptr<GeomAPI_Edge>();
  26   BRepBuilderAPI_MakeEdge anEdgeBuilder(aStart, anEnd);
  27   boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
  28   TopoDS_Edge anEdge = anEdgeBuilder.Edge();
  29   aRes->setImpl(new TopoDS_Shape(anEdge));
  30   return aRes;
  31 }
  32
  33 boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircle(
  34     boost::shared_ptr<GeomAPI_Pnt> theCenter,
  35     boost::shared_ptr<GeomAPI_Dir> theNormal, double theRadius)
  36 {
  37   const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
  38   const gp_Dir& aDir = theNormal->impl<gp_Dir>();
  39
  40   gp_Circ aCircle(gp_Ax2(aCenter, aDir), theRadius);
  41
  42   BRepBuilderAPI_MakeEdge anEdgeBuilder(aCircle);
  43   boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
  44   TopoDS_Edge anEdge = anEdgeBuilder.Edge();
  45   aRes->setImpl(new TopoDS_Shape(anEdge));
  46   return aRes;
  47 }
  48
  49 boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircleArc(
  50     boost::shared_ptr<GeomAPI_Pnt> theCenter,
  51     boost::shared_ptr<GeomAPI_Pnt> theStartPoint,
  52     boost::shared_ptr<GeomAPI_Pnt> theEndPoint,
  53     boost::shared_ptr<GeomAPI_Dir> theNormal)
  54 {
  55   const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
  56   const gp_Dir& aDir = theNormal->impl<gp_Dir>();
  57
  58   double aRadius = theCenter->distance(theStartPoint);
  59   gp_Circ aCircle(gp_Ax2(aCenter, aDir), aRadius);
  60
  61   const gp_Pnt& aStart = theStartPoint->impl<gp_Pnt>();
  62   const gp_Pnt& anEnd = theEndPoint->impl<gp_Pnt>();
  63
  64   BRepBuilderAPI_MakeEdge anEdgeBuilder;
  65   if (aStart.IsEqual(anEnd, Precision::Confusion()) ||
  66       gp_Pnt(0, 0, 0).IsEqual(anEnd, Precision::Confusion()))
  67     anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle);
  68   else
  69     anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle, aStart, anEnd);
  70
  71   boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
  72   anEdgeBuilder.Build();
  73
  74   if (anEdgeBuilder.IsDone())
  75     aRes->setImpl(new TopoDS_Shape(anEdgeBuilder.Edge()));
  76   else
  77     aRes = boost::shared_ptr<GeomAPI_Edge>();
  78   return aRes;
  79 }