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https://git.salome-platform.org/gitpub/modules/geom.git
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263 lines
8.9 KiB
C++
263 lines
8.9 KiB
C++
// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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#include <Standard_Stream.hxx>
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#include <GEOMImpl_PointDriver.hxx>
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#include <GEOMImpl_IPoint.hxx>
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#include <GEOMImpl_Types.hxx>
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#include <GEOM_Function.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepBuilderAPI_MakeVertex.hxx>
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#include <BRepExtrema_DistShapeShape.hxx>
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#include <Precision.hxx>
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#include <TopAbs.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Surface.hxx>
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#include <gp_Pnt.hxx>
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#include <TopoDS_Face.hxx>
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#include <ShapeAnalysis.hxx>
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& GEOMImpl_PointDriver::GetID()
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{
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static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
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return aPointDriver;
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}
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//=======================================================================
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//function : GEOMImpl_PointDriver
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//purpose :
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//=======================================================================
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GEOMImpl_PointDriver::GEOMImpl_PointDriver()
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{
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}
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//=======================================================================
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//function : getExtremaSolution
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//purpose : local function
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//=======================================================================
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static Standard_Boolean getExtremaSolution
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(GEOMImpl_IPoint& thePI,
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TopoDS_Shape& theRefShape,
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gp_Pnt& thePnt)
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{
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gp_Pnt anInitPnt( thePI.GetX(), thePI.GetY(), thePI.GetZ() );
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BRepBuilderAPI_MakeVertex mkVertex (anInitPnt);
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TopoDS_Vertex anInitV = TopoDS::Vertex(mkVertex.Shape());
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BRepExtrema_DistShapeShape anExt( anInitV, theRefShape );
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if ( !anExt.IsDone() || anExt.NbSolution() < 1 )
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return Standard_False;
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thePnt = anExt.PointOnShape2(1);
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Standard_Real aMinDist2 = anInitPnt.SquareDistance( thePnt );
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for ( Standard_Integer j = 2, jn = anExt.NbSolution(); j <= jn; j++ )
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{
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gp_Pnt aPnt = anExt.PointOnShape2(j);
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Standard_Real aDist2 = anInitPnt.SquareDistance( aPnt );
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if ( aDist2 > aMinDist2)
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continue;
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aMinDist2 = aDist2;
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thePnt = aPnt;
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}
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return Standard_True;
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}
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//=======================================================================
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//function : Execute
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//purpose :
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//=======================================================================
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Standard_Integer GEOMImpl_PointDriver::Execute(TFunction_Logbook& log) const
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
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GEOMImpl_IPoint aPI (aFunction);
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Standard_Integer aType = aFunction->GetType();
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gp_Pnt aPnt;
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if (aType == POINT_XYZ) {
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aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
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}
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else if (aType == POINT_XYZ_REF) {
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Handle(GEOM_Function) aRefPoint = aPI.GetRef();
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TopoDS_Shape aRefShape = aRefPoint->GetValue();
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if (aRefShape.ShapeType() != TopAbs_VERTEX) {
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Standard_TypeMismatch::Raise
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("Point creation aborted : referenced shape is not a vertex");
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}
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gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
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aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
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}
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else if (aType == POINT_CURVE_PAR) {
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Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
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TopoDS_Shape aRefShape = aRefCurve->GetValue();
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if (aRefShape.ShapeType() != TopAbs_EDGE) {
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Standard_TypeMismatch::Raise
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("Point On Curve creation aborted : curve shape is not an edge");
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}
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Standard_Real aFP, aLP, aP;
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Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
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aP = aFP + (aLP - aFP) * aPI.GetParameter();
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aPnt = aCurve->Value(aP);
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}
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else if (aType == POINT_CURVE_COORD) {
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Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
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TopoDS_Shape aRefShape = aRefCurve->GetValue();
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if (aRefShape.ShapeType() != TopAbs_EDGE) {
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Standard_TypeMismatch::Raise
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("Point On Curve creation aborted : curve shape is not an edge");
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}
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if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
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Standard_ConstructionError::Raise
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("Point On Curve creation aborted : cannot project point");
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}
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}
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else if (aType == POINT_SURFACE_PAR) {
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Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
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TopoDS_Shape aRefShape = aRefCurve->GetValue();
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if (aRefShape.ShapeType() != TopAbs_FACE) {
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Standard_TypeMismatch::Raise
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("Point On Surface creation aborted : surface shape is not a face");
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}
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TopoDS_Face F = TopoDS::Face(aRefShape);
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Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
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Standard_Real U1,U2,V1,V2;
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//aSurf->Bounds(U1,U2,V1,V2);
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ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
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Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
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Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
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aPnt = aSurf->Value(U,V);
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}
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else if (aType == POINT_SURFACE_COORD) {
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Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
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TopoDS_Shape aRefShape = aRefCurve->GetValue();
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if (aRefShape.ShapeType() != TopAbs_FACE) {
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Standard_TypeMismatch::Raise
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("Point On Surface creation aborted : surface shape is not a face");
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}
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if (!getExtremaSolution( aPI, aRefShape, aPnt ) ) {
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Standard_ConstructionError::Raise
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("Point On Surface creation aborted : cannot project point");
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}
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}
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else if (aType == POINT_LINES_INTERSECTION) {
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Handle(GEOM_Function) aRef1 = aPI.GetLine1();
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Handle(GEOM_Function) aRef2 = aPI.GetLine2();
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TopoDS_Shape aRefShape1 = aRef1->GetValue();
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TopoDS_Shape aRefShape2 = aRef2->GetValue();
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if (aRefShape1.ShapeType() != TopAbs_EDGE || aRefShape2.ShapeType() != TopAbs_EDGE ) {
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Standard_TypeMismatch::Raise
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("Creation Point On Lines Intersection Aborted : Line shape is not an edge");
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}
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//Calculate Lines Intersection Point
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BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
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if (dst.IsDone())
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{
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gp_Pnt P1, P2;
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for (int i = 1; i <= dst.NbSolution(); i++) {
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P1 = dst.PointOnShape1(i);
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P2 = dst.PointOnShape2(i);
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Standard_Real Dist = P1.Distance(P2);
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if ( Dist <= Precision::Confusion() )
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aPnt = P1;
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else
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Standard_TypeMismatch::Raise ("Lines not have an Intersection Point");
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}
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}
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}
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else {
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return 0;
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}
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BRepBuilderAPI_MakeVertex mkVertex (aPnt);
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TopoDS_Shape aShape = mkVertex.Shape();
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aShape.Infinite(Standard_True);
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aFunction->SetValue(aShape);
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log.SetTouched(Label());
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return 1;
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}
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//=======================================================================
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//function : GEOMImpl_PointDriver_Type_
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//purpose :
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//=======================================================================
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Standard_EXPORT Handle_Standard_Type& GEOMImpl_PointDriver_Type_()
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{
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static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
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if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
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static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
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if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
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static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
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if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
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static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
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static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
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sizeof(GEOMImpl_PointDriver),
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1,
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(Standard_Address)_Ancestors,
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(Standard_Address)NULL);
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return _aType;
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}
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//=======================================================================
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//function : DownCast
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//purpose :
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//=======================================================================
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const Handle(GEOMImpl_PointDriver) Handle(GEOMImpl_PointDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
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{
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Handle(GEOMImpl_PointDriver) _anOtherObject;
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if (!AnObject.IsNull()) {
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if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PointDriver))) {
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_anOtherObject = Handle(GEOMImpl_PointDriver)((Handle(GEOMImpl_PointDriver)&)AnObject);
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}
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}
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return _anOtherObject ;
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}
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