X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAlgoAPI%2FGeomAlgoAPI_PointBuilder.cpp;h=e7414346d08c7f64a1aa29025c088ba04a39a8e0;hb=f0cec241aae9ca16d86e166f45cb5c4987d2c792;hp=a76850441fe1e14021b5613d75f9b57d5b76bd9d;hpb=98d0d390dac05b7764af10c723fd33f23665c207;p=modules%2Fshaper.git

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_PointBuilder.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_PointBuilder.cpp
index a76850441..e7414346d 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_PointBuilder.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_PointBuilder.cpp
@@ -8,6 +8,7 @@
 
 #include <GeomAPI_Edge.h>
 #include <GeomAPI_Face.h>
+#include <GeomAPI_Lin.h>
 #include <GeomAPI_Pln.h>
 #include <GeomAPI_Pnt.h>
 #include <GeomAPI_Shape.h>
@@ -16,7 +17,9 @@
 #include <BRep_Tool.hxx>
 #include <BRepBuilderAPI_MakeVertex.hxx>
 #include <GCPnts_AbscissaPoint.hxx>
+#include <Geom_Line.hxx>
 #include <GeomAdaptor_Curve.hxx>
+#include <GeomAPI_ExtremaCurveCurve.hxx>
 #include <gp_Pln.hxx>
 #include <gp_Pnt.hxx>
 #include <TopoDS.hxx>
@@ -65,8 +68,10 @@ std::shared_ptr<GeomAPI_Vertex> GeomAlgoAPI_PointBuilder::vertexOnEdge(const std
                                                                        const bool theIsPercent,
                                                                        const bool theIsReverse)
 {
+  std::shared_ptr<GeomAPI_Vertex> aVertex;
+
   if(!theEdge.get()) {
-    return NULL;
+    return aVertex;
   }
 
   double aValue = theValue;
@@ -78,7 +83,6 @@ std::shared_ptr<GeomAPI_Vertex> GeomAlgoAPI_PointBuilder::vertexOnEdge(const std
   Standard_Real aUFirst, aULast;
   Handle(Geom_Curve) anEdgeCurve = BRep_Tool::Curve(anEdge, aUFirst, aULast);
 
-  std::shared_ptr<GeomAPI_Vertex> aVertex;
   if(!anEdgeCurve.IsNull() ) {
     Handle(Geom_Curve) aReOrientedCurve = anEdgeCurve;
 
@@ -106,25 +110,72 @@ std::shared_ptr<GeomAPI_Vertex> GeomAlgoAPI_PointBuilder::vertexByProjection(
     const std::shared_ptr<GeomAPI_Vertex> theVertex,
     const std::shared_ptr<GeomAPI_Face> thePlane)
 {
+  std::shared_ptr<GeomAPI_Vertex> aVertex;
+
   if(!theVertex.get() || !thePlane.get() || !thePlane->isPlanar()) {
-    return NULL;
+    return aVertex;
   }
 
-  std::shared_ptr<GeomAPI_Pnt> aGeomPnt = theVertex->point();
-  gp_Pnt aPnt = aGeomPnt->impl<gp_Pnt>();
+  std::shared_ptr<GeomAPI_Pnt> aProjPnt = theVertex->point();
+  std::shared_ptr<GeomAPI_Pln> aProjPln = thePlane->getPlane();
 
-  std::shared_ptr<GeomAPI_Pln> aGeomPln = thePlane->getPlane();
-  gp_Pln aPln = aGeomPln->impl<gp_Pln>();
+  std::shared_ptr<GeomAPI_Pnt> aPnt = aProjPln->project(aProjPnt);
 
-  gp_Dir aPntAxis = aPnt.XYZ() - aPln.Location().XYZ();
-  gp_Dir aPlnNorm = aPln.Axis().Direction();
+  if(!aPnt.get()) {
+    return aVertex;
+  }
+
+  aVertex.reset(new GeomAPI_Vertex(aPnt->x(), aPnt->y(), aPnt->z()));
 
-  if(aPntAxis * aPlnNorm > 0) {
-    aPlnNorm.Reverse();
+  return aVertex;
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Vertex> GeomAlgoAPI_PointBuilder::vertexByIntersection(
+    const std::shared_ptr<GeomAPI_Edge> theEdge1,
+    const std::shared_ptr<GeomAPI_Edge> theEdge2)
+{
+  std::shared_ptr<GeomAPI_Vertex> aVertex;
+
+  if(!theEdge1.get() || !theEdge2.get() || !theEdge1->isLine() || !theEdge2->isLine()) {
+    return aVertex;
   }
 
-  double aDistance = aPln.Distance(aPnt);
-  aPnt.Translate(gp_Vec(aPlnNorm) * aDistance);
+  std::shared_ptr<GeomAPI_Lin> aLin1 = theEdge1->line();
+  std::shared_ptr<GeomAPI_Lin> aLin2 = theEdge2->line();
+
+  std::shared_ptr<GeomAPI_Pnt> aPnt = aLin1->intersect(aLin2);
+
+  if(!aPnt.get()) {
+    return aVertex;
+  }
 
-  return std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(aPnt.X(), aPnt.Y(), aPnt.Z()));
+  aVertex.reset(new GeomAPI_Vertex(aPnt->x(), aPnt->y(), aPnt->z()));
+
+  return aVertex;
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Vertex> GeomAlgoAPI_PointBuilder::vertexByIntersection(
+    const std::shared_ptr<GeomAPI_Edge> theEdge,
+    const std::shared_ptr<GeomAPI_Face> theFace)
+{
+  std::shared_ptr<GeomAPI_Vertex> aVertex;
+
+  if(!theEdge.get() || !theFace.get() || !theEdge->isLine() || !theFace->isPlanar()) {
+    return aVertex;
+  }
+
+  std::shared_ptr<GeomAPI_Lin> aLin = theEdge->line();
+  std::shared_ptr<GeomAPI_Pln> aPln = theFace->getPlane();
+
+  std::shared_ptr<GeomAPI_Pnt> aPnt = aPln->intersect(aLin);
+
+  if(!aPnt.get()) {
+    return aVertex;
+  }
+
+  aVertex.reset(new GeomAPI_Vertex(aPnt->x(), aPnt->y(), aPnt->z()));
+
+  return aVertex;
 }