geom/src/ShHealOper/ShHealOper_EdgeDivide.cxx
2010-05-07 13:25:17 +00:00

261 lines
9.2 KiB
C++

// 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
//
// File: ShHealOper_EdgeDivide.cxx
// Created: 30.04.04 16:44:47
// Author: Galina KULIKOVA
//
#include <ShHealOper_EdgeDivide.hxx>
#include <ShapeUpgrade_WireDivide.hxx>
#include <ShHealOper_SplitCurve3d.hxx>
#include <ShHealOper_SplitCurve2d.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <BRep_Tool.hxx>
#include <ShapeFix_Edge.hxx>
#include <ShapeAnalysis_Edge.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <TopoDS.hxx>
#include <Geom_Curve.hxx>
#include <TopoDS_Face.hxx>
#include <Geom2d_Curve.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <TopExp.hxx>
#include <Precision.hxx>
//#include <.hxx>
//#include <.hxx>
//=======================================================================
//function : ShHealOper_EdgeDivide()
//purpose : Constructor
//=======================================================================
ShHealOper_EdgeDivide::ShHealOper_EdgeDivide (const TopoDS_Shape& theShape)
{
Init(theShape);
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void ShHealOper_EdgeDivide::Init(const TopoDS_Shape& theShape)
{
ShHealOper_Tool::Init(theShape);
myDivideParamMode = Standard_True;
myMapEdgesFace.Clear();
TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,myMapEdgesFace);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
Standard_Boolean ShHealOper_EdgeDivide::Perform(const TopoDS_Shape& theEdge,
const TColStd_SequenceOfReal& theValues,
const Standard_Boolean theDivideParamMode)
{
myDone = Standard_False;
myDivideParamMode = theDivideParamMode;
if(theEdge.ShapeType() != TopAbs_EDGE) {
myErrorStatus = ShHealOper_InvalidParameters;
return myDone;
}
myEdge = TopoDS::Edge(theEdge);
Standard_Integer i =1;
Handle(TColStd_HSequenceOfReal) aSeqValues = new TColStd_HSequenceOfReal;
for( ; i <= theValues.Length(); i++)
aSeqValues->Append(theValues.Value(i));
myDone = build(aSeqValues);
return myDone;
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
Standard_Boolean ShHealOper_EdgeDivide::Perform(const TopoDS_Shape& theEdge,
const Standard_Real theValue,
const Standard_Boolean theDivideParamMode)
{
myDone = Standard_False;
myErrorStatus = ShHealOper_NotError;
if(theEdge.ShapeType() != TopAbs_EDGE) {
myErrorStatus = ShHealOper_InvalidParameters;
return myDone;
}
myDivideParamMode = theDivideParamMode;
myEdge = TopoDS::Edge(theEdge);
Handle(TColStd_HSequenceOfReal) aSeqValues = new TColStd_HSequenceOfReal;
aSeqValues->Append(theValue);
myDone = build(aSeqValues);
return myDone;
}
//=======================================================================
//function : build
//purpose :
//=======================================================================
Standard_Boolean ShHealOper_EdgeDivide::build(const Handle(TColStd_HSequenceOfReal)& theValues)
{
if(myEdge.IsNull() || !theValues->Length()) {
myErrorStatus = ShHealOper_InvalidParameters;
return Standard_False;
}
Standard_Boolean has3d = Standard_False,
has2d = Standard_False,
hasPCurves = Standard_False;
//computation of the split values in dependance from specified mode and values.
if(!computeValues(theValues, has3d,has2d,hasPCurves)) {
myErrorStatus = ShHealOper_InvalidParameters;
return Standard_False;
}
//setting split values in the splitting curve tools.
Handle(ShapeUpgrade_WireDivide) aSplitTool = new ShapeUpgrade_WireDivide;
aSplitTool->Load(myEdge);
aSplitTool->SetContext(myContext);
if(has3d) {
Handle(ShHealOper_SplitCurve3d) aSplitCurve3d = new ShHealOper_SplitCurve3d;
aSplitCurve3d->SetValues(theValues);
aSplitTool->SetSplitCurve3dTool(aSplitCurve3d);
}
else if(has2d) {
Handle(ShHealOper_SplitCurve2d) aSplitCurve2d = new ShHealOper_SplitCurve2d;
aSplitCurve2d->SetValues(theValues);
aSplitTool->SetSplitCurve2dTool(aSplitCurve2d);
}
else {
myErrorStatus = ShHealOper_InvalidParameters;
return Standard_False;
}
//split 3d curve and pcurve for each face reffering to edge.
Standard_Boolean isDone = Standard_True;
if(hasPCurves) {
const TopTools_ListOfShape& lfaces = myMapEdgesFace.FindFromKey(myEdge);
TopTools_ListIteratorOfListOfShape aItf(lfaces);
for( ; aItf.More() && isDone; aItf.Next()) {
TopoDS_Face aFace = TopoDS::Face(aItf.Value());
aSplitTool->SetFace(aFace);
aSplitTool->Perform();
isDone = aSplitTool->Status( ShapeExtend_DONE );
if( aSplitTool->Status( ShapeExtend_FAIL ))
myErrorStatus = ShHealOper_ErrorExecution;
}
}
else {
aSplitTool->Perform();
isDone = aSplitTool->Status( ShapeExtend_DONE );
if( aSplitTool->Status( ShapeExtend_FAIL ))
myErrorStatus = ShHealOper_ErrorExecution;
}
if(isDone)
myResultShape = myContext->Apply(myInitShape);
return isDone;
}
//=======================================================================
//function : computeValues
//purpose :
//=======================================================================
Standard_Boolean ShHealOper_EdgeDivide::computeValues(const Handle(TColStd_HSequenceOfReal)& theValues,
Standard_Boolean& theHas3d,
Standard_Boolean& theHas2d,
Standard_Boolean& hasPCurves)
{
hasPCurves = (myMapEdgesFace.Contains(myEdge) &&
myMapEdgesFace.FindFromKey(myEdge).Extent());
if(hasPCurves && (!BRep_Tool::SameRange(myEdge) || !BRep_Tool::SameParameter(myEdge))) {
ShapeFix_Edge sfe;
sfe.FixSameParameter(myEdge);
}
Standard_Real aFirst =0.,aLast=0.;
//computation of the split values if edge should be splitted by parameter.
if(myDivideParamMode) {
BRep_Tool::Range(myEdge,aFirst,aLast);
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(myEdge,aFirst,aLast);
theHas3d = (!aCurve.IsNull());
theHas2d = (aCurve.IsNull() && (fabs(aLast-aFirst) > Precision::PConfusion() ));
Standard_Integer i = 1;
for( ; i <= theValues->Length();i++) {
Standard_Real aVal = theValues->Value(i);
theValues->ChangeValue(i) = aFirst+ aVal*fabs(aLast - aFirst);
}
}
else {
//computation of the split values if edge should be splitted by length.
ShapeAnalysis_Edge sae;
Handle(Geom_Curve) aCurve;
Standard_Real aCurLen =0.;
GeomAdaptor_Curve aAdC;
Geom2dAdaptor_Curve aAdC2d;
if(sae.Curve3d(myEdge,aCurve,aFirst,aLast,Standard_False)) {
aAdC.Load(aCurve,aFirst,aLast);
aCurLen = GCPnts_AbscissaPoint::Length(aAdC,aFirst,aLast);
theHas3d = Standard_True;
}
else {
if(hasPCurves) {
TopoDS_Face aFace = TopoDS::Face(myMapEdgesFace.FindFromKey(myEdge).First());
Handle(Geom2d_Curve) aCurve2d;
if(sae.PCurve(myEdge,aFace,aCurve2d,aFirst,aLast)) {
aAdC2d.Load(aCurve2d,aFirst,aLast);
aCurLen = GCPnts_AbscissaPoint::Length(aAdC,aFirst,aLast);
theHas2d = Standard_True;
}
}
}
if(!theHas3d && !theHas2d)
return Standard_False;
Standard_Integer i = 1;
for( ; i <= theValues->Length();i++) {
Standard_Real aLen = theValues->Value(i)*aCurLen;
if(theHas3d) {
GCPnts_AbscissaPoint anAbsc(aAdC,aLen,aFirst);
if(anAbsc.IsDone())
theValues->ChangeValue(i) = anAbsc.Parameter();
else
theValues->Remove(i--);
}
else if(theHas2d) {
GCPnts_AbscissaPoint anAbsc(aAdC2d,aLen,aFirst);
if(anAbsc.IsDone())
theValues->ChangeValue(i) = anAbsc.Parameter();
else
theValues->Remove(i--);
}
}
}
return (theValues->Length());
}