X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAPI%2FGeomAPI_Edge.cpp;h=b5736f4b618d70b52ad2e8c786c8db1ba4d20ff6;hb=3d28bcbab2f3ed0e40295e64f4e836caebc19fca;hp=8d8bf022a433adb81e3dc4dd44a5abbd02341aa4;hpb=d3b42dea410986c9fa81711e5cf0b0e18bbf6d6a;p=modules%2Fshaper.git

diff --git a/src/GeomAPI/GeomAPI_Edge.cpp b/src/GeomAPI/GeomAPI_Edge.cpp
index 8d8bf022a..b5736f4b6 100644
--- a/src/GeomAPI/GeomAPI_Edge.cpp
+++ b/src/GeomAPI/GeomAPI_Edge.cpp
@@ -1,27 +1,42 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
 // File:        GeomAPI_Edge.cpp
 // Created:     24 Jul 2014
 // Author:      Artem ZHIDKOV
 
 #include<GeomAPI_Edge.h>
+#include<GeomAPI_Pnt.h>
+#include<GeomAPI_Circ.h>
+#include<GeomAPI_Dir.h>
+#include<GeomAPI_Lin.h>
 
 #include <TopoDS_Shape.hxx>
-#include <BRep_TEdge.hxx>
-#include <BRep_CurveRepresentation.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS.hxx>
+#include <BRep_Tool.hxx>
 #include <Geom_Curve.hxx>
 #include <Geom_Line.hxx>
 #include <Geom_Circle.hxx>
+#include <GeomAdaptor_Curve.hxx>
+#include <gp_Ax1.hxx>
 
 GeomAPI_Edge::GeomAPI_Edge()
   : GeomAPI_Shape()
-{}
+{
+}
+
+GeomAPI_Edge::GeomAPI_Edge(const std::shared_ptr<GeomAPI_Shape>& theShape)
+{
+  if (!theShape->isNull() && theShape->isEdge()) {
+    setImpl(new TopoDS_Shape(theShape->impl<TopoDS_Shape>()));
+  }
+}
 
 bool GeomAPI_Edge::isLine() const
 {
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
-  Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
-  if (anEdge->Curves().Extent() != 1)
-    return false; // too many curves in the edge
-  Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
   if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
     return true;
   return false;
@@ -30,23 +45,124 @@ bool GeomAPI_Edge::isLine() const
 bool GeomAPI_Edge::isCircle() const
 {
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
-  Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
-  if (anEdge->Curves().Extent() != 1)
-    return false; // too many curves in the edge
-  Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
-  if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && aCurve->IsClosed())
-    return true;
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
+  {
+    // Check the difference of first and last parameters to be equal to the curve period
+    if (Abs(aLast - aFirst - aCurve->Period()) < Precision::PConfusion())
+      return true;
+  }
   return false;
 }
 
 bool GeomAPI_Edge::isArc() const
 {
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
-  Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
-  if (anEdge->Curves().Extent() != 1)
-    return false; // too many curves in the edge
-  Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
-  if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && !aCurve->IsClosed())
-    return true;
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
+  {
+    // Check the difference of first and last parameters is not equal the curve period
+    if (Abs(aLast - aFirst - aCurve->Period()) >= Precision::PConfusion())
+      return true;
+  }
   return false;
 }
+
+std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::firstPoint()
+{
+  const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  gp_Pnt aPoint;
+  aCurve->D0(aFirst, aPoint);
+  return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
+}
+
+std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::lastPoint()
+{
+  const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  gp_Pnt aPoint;
+  aCurve->D0(aLast, aPoint);
+  return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
+}
+
+std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle()
+{
+  const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  if (aCurve) {
+    Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
+    if (aCirc) {
+      gp_Pnt aLoc = aCirc->Location();
+      std::shared_ptr<GeomAPI_Pnt> aCenter(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+      gp_Dir anAxis = aCirc->Axis().Direction();
+      std::shared_ptr<GeomAPI_Dir> aDir(new GeomAPI_Dir(anAxis.X(), anAxis.Y(), anAxis.Z()));
+      return std::shared_ptr<GeomAPI_Circ>(new GeomAPI_Circ(aCenter, aDir, aCirc->Radius()));
+    }
+  }
+  return std::shared_ptr<GeomAPI_Circ>(); // not circle
+}
+
+std::shared_ptr<GeomAPI_Lin> GeomAPI_Edge::line()
+{
+  const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+  double aFirst, aLast;
+  Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  if (aCurve) {
+    Handle(Geom_Line) aLine = Handle(Geom_Line)::DownCast(aCurve);
+    if (aLine) {
+      gp_Pnt aStartPnt = aLine->Value(aFirst);
+      std::shared_ptr<GeomAPI_Pnt> aStart(
+          new GeomAPI_Pnt(aStartPnt.X(), aStartPnt.Y(), aStartPnt.Z()));
+      gp_Pnt aEndPnt = aLine->Value(aLast);
+      std::shared_ptr<GeomAPI_Pnt> aEnd(
+          new GeomAPI_Pnt(aEndPnt.X(), aEndPnt.Y(), aEndPnt.Z()));
+      return std::shared_ptr<GeomAPI_Lin>(new GeomAPI_Lin(aStart, aEnd));
+    }
+  }
+  return std::shared_ptr<GeomAPI_Lin>(); // not circle
+}
+
+
+bool GeomAPI_Edge::isEqual(const std::shared_ptr<GeomAPI_Shape> theEdge) const
+{
+  if (!theEdge.get() || ! theEdge->isEdge())
+    return false;
+  const TopoDS_Shape& aMyShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+  const TopoDS_Shape& aInShape = theEdge->impl<TopoDS_Shape>();
+
+  if (aMyShape.ShapeType() != aInShape.ShapeType())
+    return false;
+
+  double aMyStart, aMyEnd;
+  Handle(Geom_Curve) aMyCurve = BRep_Tool::Curve(TopoDS::Edge(aMyShape), aMyStart, aMyEnd);
+  double aInStart, aInEnd;
+  Handle(Geom_Curve) aInCurve = BRep_Tool::Curve(TopoDS::Edge(aInShape), aInStart, aInEnd);
+
+  // Check that curves a the same type
+  GeomAdaptor_Curve aMyAdaptor(aMyCurve);
+  GeomAdaptor_Curve aInAdaptor(aInCurve);
+  if (aMyAdaptor.GetType() != aInAdaptor.GetType())
+    return false;
+
+  // Check that end point parameters are the same
+  if ((aMyStart != aInStart) || (aMyEnd != aInEnd))
+    return false;
+
+  // Check that end points are equal
+  gp_Pnt aMyPnt1 = aMyAdaptor.Value(aMyStart);
+  gp_Pnt aMyPnt2 = aMyAdaptor.Value(aMyEnd);
+  gp_Pnt aInPnt1 = aInAdaptor.Value(aInStart);
+  gp_Pnt aInPnt2 = aInAdaptor.Value(aInEnd);
+
+  if ((!aMyPnt1.IsEqual(aInPnt1, Precision::Confusion())) || 
+    (!aMyPnt2.IsEqual(aInPnt2, Precision::Confusion())))
+    return false;
+
+  return true;
+}