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geom/src/GEOMImpl/GEOMImpl_LineDriver.cxx

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// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include <Standard_Stream.hxx>
#include <GEOMImpl_LineDriver.hxx>
#include <GEOMImpl_ILine.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>
#include <BRep_Tool.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <BRepAlgoAPI_Section.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_MapOfShape.hxx>
#include <gp_Pnt.hxx>
#include <Precision.hxx>
#include <Standard_ConstructionError.hxx>
#include <Standard_NullObject.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_LineDriver::GetID()
{
static Standard_GUID aLineDriver("FF1BBB06-5D14-4df2-980B-3A668264EA16");
return aLineDriver;
}
//=======================================================================
//function : GEOMImpl_LineDriver
//purpose :
//=======================================================================
GEOMImpl_LineDriver::GEOMImpl_LineDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_LineDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_ILine aPI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if (aType == LINE_TWO_PNT) {
Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
TopoDS_Shape aShape1 = aRefPnt1->GetValue();
TopoDS_Shape aShape2 = aRefPnt2->GetValue();
if (aShape1.ShapeType() != TopAbs_VERTEX ||
aShape2.ShapeType() != TopAbs_VERTEX) {
Standard_ConstructionError::Raise("Wrong arguments: two points must be given");
}
if (aShape1.IsSame(aShape2)) {
Standard_ConstructionError::Raise("The end points must be different");
}
TopoDS_Vertex V1 = TopoDS::Vertex(aShape1);
TopoDS_Vertex V2 = TopoDS::Vertex(aShape2);
gp_Pnt P1 = BRep_Tool::Pnt(V1);
gp_Pnt P2 = BRep_Tool::Pnt(V2);
if (P1.Distance(P2) < Precision::Confusion()) {
Standard_ConstructionError::Raise("The end points are too close");
}
aShape = BRepBuilderAPI_MakeEdge(V1, V2).Shape();
} else if (aType == LINE_TWO_FACES) {
Handle(GEOM_Function) aRefFace1 = aPI.GetFace1();
Handle(GEOM_Function) aRefFace2 = aPI.GetFace2();
TopoDS_Shape aShape1 = aRefFace1->GetValue();
TopoDS_Shape aShape2 = aRefFace2->GetValue();
if (aShape1.ShapeType() != TopAbs_FACE ||
aShape2.ShapeType() != TopAbs_FACE) {
Standard_ConstructionError::Raise("Wrong arguments: two faces must be given");
}
if (aShape1.IsSame(aShape2)) {
Standard_ConstructionError::Raise("The end faces must be different");
}
BRepAlgoAPI_Section E (aShape1, aShape2, Standard_False);
E.Approximation(Standard_True);
E.Build();
if (!E.IsDone()) {
Standard_ConstructionError::Raise("Line can not be performed on the given faces");
}
else
{
TopExp_Explorer Exp (E, TopAbs_EDGE);
if ( Exp.More() ){
aShape = Exp.Current();
Exp.Next();
}
else
{
Standard_ConstructionError::Raise("Faces not have intersection line");
aShape = E.Shape();
}
if ( Exp.More() )
aShape = E.Shape();
}
} else if (aType == LINE_PNT_DIR) {
Handle(GEOM_Function) aRefPnt = aPI.GetPoint1();
Handle(GEOM_Function) aRefDir = aPI.GetPoint2();
TopoDS_Shape aShape1 = aRefPnt->GetValue();
TopoDS_Shape aShape2 = aRefDir->GetValue();
if (aShape1.ShapeType() != TopAbs_VERTEX) {
Standard_ConstructionError::Raise("Wrong first argument: must be point");
}
if (aShape2.ShapeType() != TopAbs_EDGE) {
Standard_ConstructionError::Raise("Wrong second argument: must be vector");
}
if (aShape1.IsSame(aShape2)) {
Standard_ConstructionError::Raise("The end points must be different");
}
TopoDS_Vertex Vstart = TopoDS::Vertex(aShape1);
gp_Pnt P1 = BRep_Tool::Pnt(Vstart);
TopoDS_Edge anE = TopoDS::Edge(aShape2);
TopoDS_Vertex V1, V2;
TopExp::Vertices(anE, V1, V2, Standard_True);
if (V1.IsNull() || V2.IsNull()) {
Standard_NullObject::Raise("Line creation aborted: vector is not defined");
}
gp_Pnt PV1 = BRep_Tool::Pnt(V1);
gp_Pnt PV2 = BRep_Tool::Pnt(V2);
if (PV1.Distance(PV2) < Precision::Confusion()) {
Standard_ConstructionError::Raise("Vector with null magnitude");
}
TopoDS_Vertex Vend;
if ( V1.IsSame( Vstart ) )
Vend = V2;
else if ( V2.IsSame( Vstart ) )
Vend = V1;
else
Vend = BRepBuilderAPI_MakeVertex( gp_Pnt(P1.XYZ() + PV2.XYZ() - PV1.XYZ()) );
aShape = BRepBuilderAPI_MakeEdge(Vstart, Vend).Shape();
} else {
}
if (aShape.IsNull()) return 0;
//aShape.Infinite(true); // VSR: 05/04/2010: Fix 20668 (Fit All for points & lines)
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_LineDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_LineDriver_Type_()
{
static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_LineDriver",
sizeof(GEOMImpl_LineDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_LineDriver) Handle(GEOMImpl_LineDriver)::DownCast
(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_LineDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_LineDriver))) {
_anOtherObject = Handle(GEOMImpl_LineDriver)((Handle(GEOMImpl_LineDriver)&)AnObject);
}
}
return _anOtherObject ;
}
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