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occt/src/IntPatch/IntPatch_PrmPrmIntersection.cxx
dpasukhi 92e0a76a50 0033379: Coding - Processing Clang-15 warnings 
Fixed warning generated by Clang++-15
2023-05-19 19:34:37 +01:00

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// Created on: 1993-02-02
// Created by: Laurent BUCHARD
// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
// modified by Edward AGAPOV (eap) Tue Jan 22 12:29:55 2002
// modified by Oleg FEDYAED (ofv) Fri Nov 29 16:08:02 2002
#include <Adaptor3d_Surface.hxx>
#include <Adaptor3d_TopolTool.hxx>
#include <gp_Dir.hxx>
#include <gp_Pnt.hxx>
#include <IntPatch_InterferencePolyhedron.hxx>
#include <IntPatch_Polyhedron.hxx>
#include <IntPatch_PrmPrmIntersection.hxx>
#include <IntPatch_PrmPrmIntersection_T3Bits.hxx>
#include <IntPatch_RstInt.hxx>
#include <IntPatch_WLine.hxx>
#include <IntPolyh_Intersection.hxx>
#include <IntSurf_LineOn2S.hxx>
#include <IntSurf_ListIteratorOfListOfPntOn2S.hxx>
#include <IntSurf_PntOn2S.hxx>
#include <IntWalk_PWalking.hxx>
#include <Standard_OutOfRange.hxx>
#include <StdFail_NotDone.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_SequenceOfInteger.hxx>
static void SectionPointToParameters(const Intf_SectionPoint& Sp,
const IntPatch_Polyhedron& Surf1,
const IntPatch_Polyhedron& Surf2,
Standard_Real& u1,
Standard_Real& v1,
Standard_Real& u2,
Standard_Real& v2);
static
void AdjustOnPeriodic(const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_Surface)& Surf2,
IntPatch_SequenceOfLine& aSLin);
static
IntSurf_PntOn2S MakeNewPoint(const IntSurf_PntOn2S& replacePnt,
const IntSurf_PntOn2S& oldPnt,
const Standard_Real* Periods);
static Standard_Boolean IsPointOnLine(const IntSurf_PntOn2S &thePOn2S,
const Handle(IntPatch_WLine) &theWLine,
const Standard_Real Deflection);
static void AddWLine(IntPatch_SequenceOfLine &theLines,
const Handle(IntPatch_WLine) &theWLine,
const Standard_Real Deflection);
static void SeveralWlinesProcessing(const Handle(Adaptor3d_Surface)& theSurf1,
const Handle(Adaptor3d_Surface)& theSurf2,
const IntPatch_SequenceOfLine& theSLin,
const Standard_Real* const thePeriodsArr,
const IntSurf_TypeTrans theTrans1,
const IntSurf_TypeTrans theTrans2,
const Standard_Real theTol,
const Standard_Real theMaxStepS1,
const Standard_Real theMaxStepS2,
Handle(IntPatch_WLine)& theWLline)
{
if(theSLin.Length() == 0)
return;
Standard_Real aU1 = 0.0, aV1 = 0.0, aU2 = 0.0, aV2 = 0.0;
Standard_Integer cnbV = theWLline->NbVertex();
Standard_Integer ciV;
for( ciV = 1; ciV <= cnbV; ciV++ )
{
Standard_Real pntDMin = 1.e+100;
Standard_Integer VDMin = 0;
Standard_Integer WLDMin = 0;
gp_Pnt cPV = theWLline->Vertex(ciV).Value();
theWLline->Vertex(ciV).Parameters(aU1, aV1, aU2, aV2);
const gp_Pnt2d aPCS1(aU1, aV1), aPCS2(aU2, aV2);
Standard_Integer iL;
for( iL = 1; iL <= theSLin.Length(); iL++)
{
const Handle(IntPatch_Line)& aSLine = theSLin.Value(iL);
IntPatch_IType aType = aSLine->ArcType();
if( aType != IntPatch_Walking)
continue;
const Handle(IntPatch_WLine) aWLine = Handle(IntPatch_WLine)::DownCast(aSLine);
Standard_Integer tnbV = aWLine->NbVertex();
Standard_Integer tiV;
for( tiV = 1; tiV <= tnbV; tiV++ )
{
gp_Pnt tPV = aWLine->Vertex(tiV).Value();
aWLine->Vertex(tiV).Parameters(aU1, aV1, aU2, aV2);
const gp_Pnt2d aPTS1(aU1, aV1), aPTS2(aU2, aV2);
Standard_Real tDistance = cPV.Distance(tPV);
Standard_Real uRs1 = theSurf1->UResolution(tDistance);
Standard_Real vRs1 = theSurf1->VResolution(tDistance);
Standard_Real uRs2 = theSurf2->UResolution(tDistance);
Standard_Real vRs2 = theSurf2->VResolution(tDistance);
Standard_Real RmaxS1 = Max(uRs1,vRs1);
Standard_Real RmaxS2 = Max(uRs2,vRs2);
if(RmaxS1 < theMaxStepS1 && RmaxS2 < theMaxStepS2)
{
if( pntDMin > tDistance && tDistance > Precision::PConfusion())
{
const Standard_Real aSqDist1 = aPCS1.SquareDistance(aPTS1),
aSqDist2 = aPCS2.SquareDistance(aPTS2);
if((aSqDist1 < RmaxS1*RmaxS1) && (aSqDist2 < RmaxS2*RmaxS2))
{
pntDMin = tDistance;
VDMin = tiV;
WLDMin = iL;
}
}
}
}
}
if( VDMin != 0 )
{
const Handle(IntPatch_Line)& aSLine = theSLin.Value(WLDMin);
const Handle(IntPatch_WLine) aWLine = Handle(IntPatch_WLine)::DownCast(aSLine);
Standard_Integer tiVpar = (Standard_Integer)aWLine->Vertex(VDMin).ParameterOnLine();
Standard_Integer ciVpar = (Standard_Integer)theWLline->Vertex(ciV).ParameterOnLine();
Standard_Real u11 = 0., u12 = 0., v11 = 0., v12 = 0.;
Standard_Real u21 = 0., u22 = 0., v21 = 0., v22 = 0.;
theWLline->Point(ciVpar).Parameters(u11,v11,u12,v12);
aWLine->Point(tiVpar).Parameters(u21,v21,u22,v22);
Handle(IntSurf_LineOn2S) newL2s = new IntSurf_LineOn2S();
IntSurf_PntOn2S replacePnt = aWLine->Point(tiVpar);
Standard_Integer cNbP = theWLline->NbPnts();
TColStd_SequenceOfInteger VPold;
Standard_Integer iPo;
for( iPo = 1; iPo <= cnbV; iPo++ )
{
Standard_Real Po = theWLline->Vertex(iPo).ParameterOnLine();
Standard_Integer IPo = (Standard_Integer) Po;
VPold.Append(IPo);
}
Standard_Boolean removeNext = Standard_False;
Standard_Boolean removePrev = Standard_False;
if( ciV == 1)
{
Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
if(dPar > 10)
{
removeNext = Standard_True;
for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
}
}
else if( ciV == cnbV)
{
Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
if(dPar > 10)
{
removePrev = Standard_True;
VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
}
}
else
{
Standard_Integer dParMi = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
Standard_Integer dParMa = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
if(dParMi > 10)
{
removePrev = Standard_True;
VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
}
if(dParMa > 10)
{
removeNext = Standard_True;
for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
{
if(dParMi > 10)
VPold.SetValue(iPo, VPold.Value(iPo) - 2 );
else
VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
}
}
else
{
if(dParMi > 10)
for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
}
}
Standard_Integer pI = ciVpar;
Standard_Integer iP;
for( iP = 1; iP <= cNbP; iP++)
{
if( pI == iP )
{
IntSurf_PntOn2S newPnt = MakeNewPoint(replacePnt, theWLline->Point(iP), thePeriodsArr);
newL2s->Add(newPnt);
}
else if(removeNext && iP == (pI + 1))
continue;
else if(removePrev && iP == (pI - 1))
continue;
else
newL2s->Add(theWLline->Point(iP));
}
IntPatch_Point newVtx;
gp_Pnt Pnt3dV = aWLine->Vertex(VDMin).Value();
newVtx.SetValue(Pnt3dV,theTol,Standard_False);
newVtx.SetParameters(u21,v21,u22,v22);
newVtx.SetParameter(VPold.Value(ciV));
Handle(IntPatch_WLine) NWLine = new IntPatch_WLine(newL2s,Standard_False,theTrans1,theTrans2);
NWLine->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
Standard_Integer iV;
for( iV = 1; iV <= cnbV; iV++ )
{
if( iV == ciV )
NWLine->AddVertex(newVtx);
else
{
IntPatch_Point theVtx = theWLline->Vertex(iV);
theVtx.SetParameter(VPold.Value(iV));
NWLine->AddVertex(theVtx);
}
}
theWLline = NWLine;
}//if( VDMin != 0 )
}//for( ciV = 1; ciV <= cnbV; ciV++ )
}
//=======================================================================
//function : DublicateOfLinesProcessing
//purpose : Decides, if rejecting current line is necessary
//=======================================================================
static void DublicateOfLinesProcessing( const IntWalk_PWalking& thePW,
const Standard_Integer theWLID,
IntPatch_SequenceOfLine& theLines,
Standard_Boolean& theIsRejectReq)
{
const Handle(IntPatch_WLine)& anExistWL =
*((Handle(IntPatch_WLine)*)&theLines.Value(theWLID));
const Standard_Integer aNbPrevPoints = anExistWL->NbPnts();
const Standard_Integer aNbCurrPoints = thePW.NbPoints();
if(aNbPrevPoints < aNbCurrPoints)
{//Remove preview line
theLines.Remove(theWLID);
theIsRejectReq = Standard_False;
}
else if(aNbPrevPoints == aNbCurrPoints)
{
Standard_Real aLPrev = 0.0, aLCurr = 0.0;
for(Standard_Integer aNbPP = 1; aNbPP < aNbPrevPoints; aNbPP++)
{
const gp_Pnt aP1prev(anExistWL->Point(aNbPP).Value()),
aP2prev(anExistWL->Point(aNbPP+1).Value());
const gp_Pnt aP1curr(thePW.Value(aNbPP).Value()),
aP2curr(thePW.Value(aNbPP+1).Value());
aLPrev += aP1prev.Distance(aP2prev);
aLCurr += aP1curr.Distance(aP2curr);
}
if(aLPrev < aLCurr)
{//Remove preview line
theLines.Remove(theWLID);
theIsRejectReq = Standard_False;
}
}
}
//==================================================================================
// function :
// purpose :
//==================================================================================
IntPatch_PrmPrmIntersection::IntPatch_PrmPrmIntersection()
: done(Standard_False),
empt(Standard_True)
{
}
//==================================================================================
// function : Perform
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_TopolTool)& D1,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
IntPatch_Polyhedron Poly1( Surf1, D1->NbSamplesU(), D1->NbSamplesV() );
Perform( Surf1, Poly1, D1, TolTangency, Epsilon, Deflection, Increment );
}
//==================================================================================
// function : Perform
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const IntPatch_Polyhedron& Poly1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
IntPatch_Polyhedron Poly2( Surf2 );
Perform( Surf1, Poly1, D1, Surf2, Poly2, D2, TolTangency, Epsilon, Deflection, Increment);
}
//==================================================================================
// function : Perform
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const IntPatch_Polyhedron& Poly2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
IntPatch_Polyhedron Poly1( Surf1 );
Perform( Surf1, Poly1, D1, Surf2, Poly2, D2, TolTangency, Epsilon, Deflection, Increment );
}
//==================================================================================
// function : Perform
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const IntPatch_Polyhedron& Poly1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const IntPatch_Polyhedron& Poly2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
IntPatch_InterferencePolyhedron Interference(Poly1,Poly2);
empt = Standard_True;
done = Standard_True;
SLin.Clear();
Standard_Integer nbLigSec = Interference.NbSectionLines();
Standard_Integer nbTanZon = Interference.NbTangentZones();
Standard_Integer NbLigCalculee = 0;
Standard_Real U1,U2,V1,V2;
Standard_Real pu1,pu2,pv1,pv2;
TColStd_Array1OfReal StartParams(1,4);
IntWalk_PWalking PW( Surf1, Surf2, TolTangency, Epsilon, Deflection, Increment );
Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
Standard_Real incidence;
Standard_Real dminiPointLigne;
Standard_Boolean HasStartPoint,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
Standard_Integer ver;
gp_Pnt Point3dDebut,Point3dFin;
if( nbLigSec >= 1 ) {
Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
Standard_Integer ls;
for( ls = 1; ls <= nbLigSec; ls++ )
TabL[ls]=ls;
Standard_Boolean triok;
do {
triok=Standard_True;
for(Standard_Integer b=2; b<=nbLigSec; b++) {
Standard_Integer nb_B = Interference.LineValue(TabL[b]).NumberOfPoints();
Standard_Integer nb_A = Interference.LineValue(TabL[b-1]).NumberOfPoints();
if( nb_B > nb_A ) {
Standard_Integer tyu=TabL[b];
TabL[b]=TabL[b-1];
TabL[b-1]=tyu;
triok=Standard_False;
}
}
} while( triok==Standard_False );
for( ls = 1; ls <= nbLigSec; ls++) {
const Intf_SectionLine& LineSec=Interference.LineValue(TabL[ls]);
Standard_Integer nbp = LineSec.NumberOfPoints();
Standard_Integer *TabPtDep = new Standard_Integer [nbp+1];
Standard_Integer ilig;
for( ilig = 1; ilig <= nbp; ilig++)
TabPtDep[ilig]=0;
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
SectionPointToParameters(LineSec.GetPoint(1),Poly1,Poly2,UminLig1,VminLig1,UminLig2,VminLig2);
UmaxLig1=UminLig1;
VmaxLig1=VminLig1;
UmaxLig2=UminLig2;
VmaxLig2=VminLig2;
for( ilig = 2; ilig <= nbp; ilig++ ) {
SectionPointToParameters(LineSec.GetPoint(ilig),Poly1,Poly2,U1,V1,U2,V2);
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
}
Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
Standard_Integer IndicePointdeDepart1 = 0,IndicePointdeDepart2 = 0;
Standard_Boolean lignetrouvee=Standard_False;
do {
NombreDePointsDeDepartDuCheminement++;
if(NombreDePointsDeDepartDuCheminement == 1) {
incidence=3.0;
Standard_Integer nbp1_4=nbp/4;
Standard_Integer nbp3_4=nbp-nbp1_4;
Standard_Integer nsp;
for(nsp=nbp/2; nsp<nbp3_4; nsp++) {
Standard_Real CurrentIncidence = LineSec.GetPoint(nsp).Incidence();
if(CurrentIncidence < incidence) {
nbps2 = nsp;
incidence = 0.9*CurrentIncidence;
}
}
for(nsp=nbp/2; nsp>nbp1_4; nsp--) {
Standard_Real CurrentIncidence = LineSec.GetPoint(nsp).Incidence();
if(CurrentIncidence < incidence) {
nbps2 = nsp;
incidence = 0.9*CurrentIncidence;
}
}
if(nbp<3)
NombreDePointsDeDepartDuCheminement=3;
IndicePointdeDepart1 = nbps2;
}
else if(NombreDePointsDeDepartDuCheminement == 2) {
if(IndicePointdeDepart1 == 1) {
nbps2 = nbp/2;
IndicePointdeDepart2 = nbps2;
}
else {
nbps2 = 1;
IndicePointdeDepart2 = 1;
}
}
else if(NombreDePointsDeDepartDuCheminement == 3) {
if(IndicePointdeDepart1 == nbp)
nbps2 = (IndicePointdeDepart1+IndicePointdeDepart2)/2;
else
nbps2 = nbp;
}
else {
nbps2 = NombreDePointsDeDepartDuCheminement-3;
NombreDePointsDeDepartDuCheminement++;
}
if(TabPtDep[nbps2]==0) {
TabPtDep[nbps2]=1;
SectionPointToParameters(LineSec.GetPoint(nbps2),Poly1,Poly2,U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
if(HasStartPoint) {
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
Standard_Integer l;
for( l=1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
dminiPointLigne = 0.0;
}
} // for ( l ...
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
if(PW.IsDone()) {
if(PW.NbPoints()>2) {
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
Point3dFin = PointFin.Value();
for( ver = 1 ; ver<= NbLigCalculee ; ver++) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
// Check end point if it is on existing line.
// Start point is checked before.
if (IsPointOnLine(PointFin, verwline, Deflection)) {
RejetLigne = Standard_True;
break;
}
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency) &&
(Point3dFin.Distance(verPointFin.Value()) <= TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne) {
// Calculation transition
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if(tgline.DotCross(norm2,norm1)>0.) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
lignetrouvee = Standard_True;
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}// !RejetLigne
}// PW.NbPoints()>2
}// done is True
}// dminiPointLigne > SeuildPointLigne
}// HasStartPoint
}// TabPtDep[nbps2]==0
} while( nbp>5 && ( !( ( (NombreDePointsDeDepartDuCheminement >= 3) && lignetrouvee ) ||
( (NombreDePointsDeDepartDuCheminement-3>=nbp) && !lignetrouvee ) ) ) );
delete [] TabPtDep;
}// for( ls ...
delete [] TabL;
}// nbLigSec >= 1
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
UminLig1=VminLig1=UminLig2=VminLig2=RealLast();
UmaxLig1=VmaxLig1=UmaxLig2=VmaxLig2=-UminLig1;
Standard_Integer z;
for(z=1; z <= nbTanZon; z++) {
const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
for(Standard_Integer pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly2,U1,V1,U2,V2);
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
}
}
for(z=1; z <= nbTanZon; z++) {
const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
Standard_Integer pz;
for( pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly2,U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint) {
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
Standard_Integer l;
for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
dminiPointLigne = 0.0;
}
}// for( l ...
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
if(PW.IsDone()) {
if(PW.NbPoints()>2) {
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
Point3dFin = PointFin.Value();
for(ver=1 ; ver<= NbLigCalculee ; ver++) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
// Check end point if it is on existing line.
// Start point is checked before.
if (IsPointOnLine(PointFin, verwline, Deflection)) {
RejetLigne = Standard_True;
break;
}
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) ||
(Point3dFin.Distance(verPointFin.Value()) < TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne) {
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if(tgline.DotCross(norm2,norm1)>0.) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}// if !RejetLigne
}// PW.NbPoints()>2
}// done is True
}// dminiPointLigne > SeuildPointLigne
}// HasStartPoint
}// for( pz ...
}// for( z ...
}
//==================================================================================
// function : Perform
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const IntPatch_Polyhedron& Poly1,
const Handle(Adaptor3d_TopolTool)& D1,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
IntPatch_InterferencePolyhedron Interference(Poly1);
empt = Standard_True;
done = Standard_True;
SLin.Clear();
Standard_Integer nbLigSec = Interference.NbSectionLines();
Standard_Integer nbTanZon = Interference.NbTangentZones();
Standard_Integer NbPntOn2SOnLine;
Standard_Integer NbLigCalculee = 0;
Standard_Real U1,U2,V1,V2;
Standard_Real pu1,pu2,pv1,pv2;
TColStd_Array1OfReal StartParams(1,4);
IntWalk_PWalking PW(Surf1,Surf1,TolTangency,Epsilon,Deflection,Increment);
Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
Standard_Real incidence;
Standard_Real dminiPointLigne;
Standard_Boolean HasStartPoint,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
Standard_Integer ver;
gp_Pnt Point3dDebut,Point3dFin;
if(nbLigSec>=1) {
Standard_Integer ls;
for( ls = 1; ls <= nbLigSec; ls++) {
const Intf_SectionLine& LineSec=Interference.LineValue(ls);
Standard_Integer nbp = LineSec.NumberOfPoints();
Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
Standard_Integer IndicePointdeDepart1 = 0, IndicePointdeDepart2 = 0;
do {
NombreDePointsDeDepartDuCheminement++;
if(NombreDePointsDeDepartDuCheminement == 1) {
incidence = 0.0;
Standard_Integer nsp1;
for( nsp1= nbp/2; nsp1 >= 1; nsp1--) {
SectionPointToParameters(LineSec.GetPoint(nsp1),Poly1,Poly1,U1,V1,U2,V2);
Standard_Real CurrentIncidence = Abs(U1-U2)+Abs(V1-V2);
if(CurrentIncidence > incidence) {
nbps2 = nsp1;
incidence = CurrentIncidence;
}
}
for( nsp1 = nbp/2; nsp1 <= nbp; nsp1++) {
SectionPointToParameters(LineSec.GetPoint(nsp1),Poly1,Poly1,U1,V1,U2,V2);
Standard_Real CurrentIncidence = Abs(U1-U2)+Abs(V1-V2);
if(CurrentIncidence > incidence) {
nbps2 = nsp1;
incidence = CurrentIncidence;
}
}
if(nbp<3)
NombreDePointsDeDepartDuCheminement=3;
IndicePointdeDepart1 = nbps2;
}
else if(NombreDePointsDeDepartDuCheminement == 2) {
if(IndicePointdeDepart1 == 1) {
nbps2 = nbp/2;
IndicePointdeDepart2 = nbps2;
}
else {
nbps2 = 1;
IndicePointdeDepart2 = 1;
}
}
else {
if(IndicePointdeDepart1 == nbp)
nbps2 = (IndicePointdeDepart1+IndicePointdeDepart2)/2;
else
nbps2 = nbp;
}
SectionPointToParameters(LineSec.GetPoint(nbps2),Poly1,Poly1,U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
if(HasStartPoint) {
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
if(Abs(pu1-pu2)>1e-7 || Abs(pv1-pv2)>1e-7) {
NbLigCalculee = SLin.Length();
Standard_Integer l;
for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
(testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
(testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
NbPntOn2SOnLine = testwline->NbPnts();
Standard_Integer ll;
for( ll=1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
Standard_Real t,Au1,Av1,Au2,Av2,Bu1,Bv1,Bu2,Bv2;
testwline->Point(ll).Parameters(Au1,Av1,Au2,Av2);
testwline->Point(ll+1).Parameters(Bu1,Bv1,Bu2,Bv2);
if(Au1>Bu1) {
t=Au1;
Au1=Bu1;
Bu1=t;
}
if(Av1>Bv1) {
t=Av1;
Av1=Bv1;
Bv1=t;
}
Au1-=1.0e-7;
Av1-=1.0e-7;
Bu1+=1.0e-7;
Bv1+=1.0e-7;
if((pu1>=Au1) && (pu1<=Bu1) && (pv1>=Av1) && (pv1<=Bv1))
dminiPointLigne = 0.0;
else {
if((pu2>=Au1) && (pu2<=Bu1) && (pv2>=Av1) && (pv2<=Bv1))
dminiPointLigne = 0.0;
}
}// for( ll ...
}// if ...
}// for( l ...
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams);
if(PW.IsDone()) {
if(PW.NbPoints()>2) {
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
Point3dFin = PW.Value(PW.NbPoints()).Value();
for(ver=1 ; ver<= NbLigCalculee ; ver++) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) ||
(Point3dFin.Distance(verPointFin.Value()) < TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne) {
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if (tgline.DotCross(norm2,norm1)>0.) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
IntSurf_LineOn2S LineOn2S;
Standard_Integer nbpw,imin,imax,i;
nbpw = PW.Line()->NbPoints();
Standard_Real u1,v1,u2,v2;
i=0;
do {
i++;
imin=i;
const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
Pi.Parameters(u1,v1,u2,v2);
} while((i<nbpw)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
if(imin>2)
imin--;
i=nbpw+1;
do {
i--;
imax=i;
const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
Pi.Parameters(u1,v1,u2,v2);
} while((i>2)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
if(imax<nbpw)
imax++;
if(imin<imax) {
Handle(IntSurf_LineOn2S) PWLine = new IntSurf_LineOn2S();
for(i=imin;i<=imax;i++)
PWLine->Add(PW.Line()->Value(i));
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PWLine,Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
const IntSurf_PntOn2S& POn2SDeb = wline->Point(1);
const IntSurf_PntOn2S& POn2SFin = wline->Point(wline->NbPnts());
if((POn2SDeb.Value()).Distance(POn2SFin.Value()) <= TolTangency) {
Standard_Real u1t,v1t,u2t,v2t;
POn2SDeb.Parameters(u1t,v1t,u2t,v2t);
IntPatch_Point vtx;
vtx.SetValue(POn2SDeb.Value(),TolTang,Standard_False);
vtx.SetParameters(u2t,v2t,u1t,v1t);
vtx.SetParameter(wline->NbPnts());
wline->SetPoint(wline->NbPnts(),vtx);
}
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf1,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
SLin.Append(wline);
empt = Standard_False;
}// imin<imax
}// !RejetLigne
}// PW.NbPoints()>2
}// done is True
}// dminiPointLigne > SeuildPointLigne
}// Abs || Abs
}// HasStartPoint
} while(nbp>5 && NombreDePointsDeDepartDuCheminement<3);
}// for( ls ...
}// nbLigSec>=1
Standard_Integer z;
for( z = 1; z <= nbTanZon; z++) {
const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
for(Standard_Integer pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly1,U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint) {
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
if(Abs(pu1-pu2)>1e-7 || Abs(pv1-pv2)>1e-7) {
NbLigCalculee = SLin.Length();
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
Standard_Integer l;
for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
(testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
(testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
NbPntOn2SOnLine = testwline->NbPnts();
Standard_Integer ll;
for( ll = 1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
Standard_Real t,Au1,Av1,Au2,Av2,Bu1,Bv1,Bu2,Bv2;
testwline->Point(ll).Parameters(Au1,Av1,Au2,Av2);
testwline->Point(ll+1).Parameters(Bu1,Bv1,Bu2,Bv2);
if(Au1>Bu1) {
t=Au1;
Au1=Bu1;
Bu1=t;
}
if(Av1>Bv1) {
t=Av1;
Av1=Bv1;
Bv1=t;
}
Au1-=1.0e-7;
Av1-=1.0e-7;
Bu1+=1.0e-7;
Bv1+=1.0e-7;
if((pu1>=Au1) && (pu1<=Bu1) && (pv1>=Av1) && (pv1<=Bv1))
dminiPointLigne = 0.0;
else {
if((pu2>=Au1) && (pu2<=Bu1) && (pv2>=Av1) && (pv2<=Bv1))
dminiPointLigne = 0.0;
}
}// for( ll ...
}// if ...
}// for( l ...
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams);
if(PW.IsDone()) {
if(PW.NbPoints()>2) {
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
Point3dFin = PW.Value(PW.NbPoints()).Value();
for( ver = 1 ; ver<= NbLigCalculee ; ver++) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) ||
(Point3dFin.Distance(verPointFin.Value()) < TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne) {
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if(tgline.DotCross(norm2,norm1)>0.) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
IntSurf_LineOn2S LineOn2S;
Standard_Integer nbp,imin,imax,i;
nbp = PW.Line()->NbPoints();
Standard_Real u1,v1,u2,v2;
i=0;
do {
i++;
imin=i;
const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
Pi.Parameters(u1,v1,u2,v2);
} while((i<nbp)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
if(imin>2)
imin--;
i=nbp+1;
do {
i--;
imax=i;
const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
Pi.Parameters(u1,v1,u2,v2);
} while((i>2)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
if(imax<nbp)
imax++;
if(imin<imax) {
Handle(IntSurf_LineOn2S) PWLine = new IntSurf_LineOn2S();
for(i=imin;i<=imax;i++)
PWLine->Add(PW.Line()->Value(i));
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PWLine,Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
const IntSurf_PntOn2S& POn2SDeb = wline->Point(1);
const IntSurf_PntOn2S& POn2SFin = wline->Point(wline->NbPnts());
if((POn2SDeb.Value()).Distance(POn2SFin.Value()) <= TolTangency) {
Standard_Real u1t,v1t,u2t,v2t;
POn2SDeb.Parameters(u1t,v1t,u2t,v2t);
IntPatch_Point vtx;
vtx.SetValue(POn2SDeb.Value(),TolTang,Standard_False);
vtx.SetParameters(u2t,v2t,u1t,v1t);
vtx.SetParameter(wline->NbPnts());
wline->SetPoint(wline->NbPnts(),vtx);
}
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf1,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
SLin.Append(wline);
empt = Standard_False;
}// imin<imax
}// !RejetLigne
}// PW.NbPoints()>2
}// done a True
}// dminiPointLigne > SeuildPointLigne
}// Abs || Abs
}// HasStartPoint
}// for ( pz ...
}// for( z ...
}
//==================================================================================
// function : NewLine
// purpose :
//==================================================================================
Handle(IntPatch_Line) IntPatch_PrmPrmIntersection::NewLine (const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_Surface)& Surf2,
const Standard_Integer NumLine,
const Standard_Integer Low,
const Standard_Integer High,
const Standard_Integer NbPntsToInsert) const
{
Standard_Integer NbPnts = NbPntsToInsert + High - Low;
if(NumLine>NbLines() || NumLine<1 || Low>=High )
throw Standard_OutOfRange(" IntPatch_PrmPrmIntersection NewLine ");
//------------------------------------------------------------------
//-- Indice : Low Low+1 I I+1 High --
//-- --
//-- Abs.Curv. : S(Low) S(I) S(I+1) S(High) --
//-- --
//-- On echantillonne a abcisse curviligne --
//-- constante. --
//-- L abcisse est calculee sur les params U1,V1 --
//------------------------------------------------------------------
TColStd_Array1OfReal U1(Low,High);
TColStd_Array1OfReal V1(Low,High);
TColStd_Array1OfReal U2(Low,High);
TColStd_Array1OfReal V2(Low,High);
TColStd_Array1OfReal AC(Low,High);
Standard_Real s,ds;
Handle(IntPatch_WLine) TheLine = Handle(IntPatch_WLine)::DownCast(Line(NumLine));
const IntSurf_PntOn2S& Point=TheLine->Point(Low);
Standard_Real u1,v1,u2,v2;
Point.Parameters(u1,v1,u2,v2);
U1(Low) = u1;
V1(Low) = v1;
U2(Low) = u2;
V2(Low) = v2;
AC(Low) =0.0;
IntWalk_PWalking PW(Surf1,Surf2,0.000001,0.000001,0.001,0.001);
Standard_Integer i;
for(i=Low+1; i<=High; i++)
{
const IntSurf_PntOn2S& Pointi=TheLine->Point(i);
Pointi.Parameters(u1,v1,u2,v2);
U1(i) = u1;
V1(i) = v1;
U2(i) = u2;
V2(i) = v2;
Standard_Real du1=u1-U1(i-1);
Standard_Real dv1=v1-V1(i-1);
AC(i) = AC(i-1) + Sqrt((du1*du1)+(dv1*dv1));
}
Handle(IntSurf_LineOn2S) ResultPntOn2SLine = new IntSurf_LineOn2S();
IntSurf_PntOn2S StartPOn2S;
TColStd_Array1OfReal StartParams(1,4);
ResultPntOn2SLine->Add(TheLine->Point(Low));
ds = AC(High) / (NbPnts-1);
Standard_Integer Indice = Low;
Standard_Real dsmin = ds*0.3;
Standard_Real smax = AC(High);
for(i=2,s=ds; (i<NbPnts)&&(s<smax); i++,s+=ds)
{
while(AC(Indice+1) <= s)
{
ResultPntOn2SLine->Add(TheLine->Point(Indice));
Indice++;
}
Standard_Real a = s - AC(Indice);
Standard_Real b = AC(Indice+1) - s;
Standard_Real nab = 1.0/(a+b);
//----------------------------------------------------------
//-- Verification : Si Dist au prochain point < dsmin --
//-- Si Dist au precedent point < dsmin --
//-- --
//----------------------------------------------------------
if((nab > ds)&&(a>dsmin)&&(b>dsmin))
{
StartParams(1) = (U1(Indice) * b + U1(Indice+1) * a) * nab;
StartParams(2) = (V1(Indice) * b + V1(Indice+1) * a) * nab;
StartParams(3) = (U2(Indice) * b + U2(Indice+1) * a) * nab;
StartParams(4) = (V2(Indice) * b + V2(Indice+1) * a) * nab;
Standard_Boolean HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint)
ResultPntOn2SLine->Add(StartPOn2S);
}
else
s+=dsmin;
}
ResultPntOn2SLine->Add(TheLine->Point(High));
Handle(IntPatch_WLine) aRWL = new IntPatch_WLine(ResultPntOn2SLine, Standard_False);
aRWL->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
return(aRWL);
}
//==================================================================================
// function : SectionPointToParameters
// purpose :
//==================================================================================
void SectionPointToParameters(const Intf_SectionPoint& Sp,
const IntPatch_Polyhedron& Poly1,
const IntPatch_Polyhedron& Poly2,
Standard_Real& u1,
Standard_Real& v1,
Standard_Real& u2,
Standard_Real& v2)
{
Intf_PIType typ;
Standard_Integer Adr1,Adr2;
Standard_Real Param,u,v;
gp_Pnt P(Sp.Pnt());
Standard_Integer Pt1,Pt2,Pt3;
Sp.InfoFirst(typ,Adr1,Adr2,Param);
switch(typ) {
case Intf_VERTEX: //-- Adr1 est le numero du vertex
{
Poly1.Parameters(Adr1,u1,v1);
break;
}
case Intf_EDGE:
{
Poly1.Parameters(Adr1,u1,v1);
Poly1.Parameters(Adr2,u,v);
u1+= Param * (u-u1);
v1+= Param * (v-v1);
break;
}
case Intf_FACE:
{
Standard_Real ua,va,ub,vb,uc,vc,ca,cb,cc,cabc;
Poly1.Triangle(Adr1,Pt1,Pt2,Pt3);
gp_Pnt PA(Poly1.Point(Pt1));
gp_Pnt PB(Poly1.Point(Pt2));
gp_Pnt PC(Poly1.Point(Pt3));
Poly1.Parameters(Pt1,ua,va);
Poly1.Parameters(Pt2,ub,vb);
Poly1.Parameters(Pt3,uc,vc);
gp_Vec Normale(gp_Vec(PA,PB).Crossed(gp_Vec(PA,PC)));
cc = (gp_Vec(PA,PB).Crossed(gp_Vec(PA,P))).Dot(Normale);
ca = (gp_Vec(PB,PC).Crossed(gp_Vec(PB,P))).Dot(Normale);
cb = (gp_Vec(PC,PA).Crossed(gp_Vec(PC,P))).Dot(Normale);
cabc = ca + cb + cc;
ca/=cabc; cb/=cabc; cc/=cabc;
u1 = ca * ua + cb * ub + cc * uc;
v1 = ca * va + cb * vb + cc * vc;
break;
}
default:
{
//-- std::cout<<" Default dans SectionPointToParameters "<<std::endl;
break;
}
}
Sp.InfoSecond(typ,Adr1,Adr2,Param);
switch(typ) {
case Intf_VERTEX: //-- Adr1 est le numero du vertex
{
Poly2.Parameters(Adr1,u2,v2);
break;
}
case Intf_EDGE:
{
Poly2.Parameters(Adr1,u2,v2);
Poly2.Parameters(Adr2,u,v);
u2+= Param * (u-u2);
v2+= Param * (v-v2);
break;
}
case Intf_FACE:
{
Standard_Real ua,va,ub,vb,uc,vc,ca,cb,cc,cabc;
Poly2.Triangle(Adr1,Pt1,Pt2,Pt3);
gp_Pnt PA(Poly2.Point(Pt1));
gp_Pnt PB(Poly2.Point(Pt2));
gp_Pnt PC(Poly2.Point(Pt3));
Poly2.Parameters(Pt1,ua,va);
Poly2.Parameters(Pt2,ub,vb);
Poly2.Parameters(Pt3,uc,vc);
gp_Vec Normale(gp_Vec(PA,PB).Crossed(gp_Vec(PA,PC)));
cc = (gp_Vec(PA,PB).Crossed(gp_Vec(PA,P))).Dot(Normale);
ca = (gp_Vec(PB,PC).Crossed(gp_Vec(PB,P))).Dot(Normale);
cb = (gp_Vec(PC,PA).Crossed(gp_Vec(PC,P))).Dot(Normale);
cabc = ca + cb + cc;
ca/=cabc; cb/=cabc; cc/=cabc;
u2 = ca * ua + cb * ub + cc * uc;
v2 = ca * va + cb * vb + cc * vc;
break;
}
default:
{
//-- std::cout<<" Default dans SectionPointToParameters "<<std::endl;
break;
}
}
}
//==================================================================================
// function : RemplitLin
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::RemplitLin(const Standard_Integer x1,
const Standard_Integer y1,
const Standard_Integer z1,
const Standard_Integer x2,
const Standard_Integer y2,
const Standard_Integer z2,
IntPatch_PrmPrmIntersection_T3Bits& Map) const
{
int xg,yg,zg;
xg=x1-x2; if(xg<0) xg=-xg;
yg=y1-y2; if(yg<0) yg=-yg;
zg=z1-z2; if(zg<0) zg=-zg;
if(DansGrille(x1) && DansGrille(y1) && DansGrille(z1)) {
Standard_Integer t = GrilleInteger(x1,y1,z1);
Map.Add(t);
}
if(xg<=1 && yg<=1 && zg<=1) return;
xg = (x1+x2)>>1;
yg = (y1+y2)>>1;
zg = (z1+z2)>>1;
RemplitLin(x1,y1,z1,xg,yg,zg,Map);
RemplitLin(x2,y2,z2,xg,yg,zg,Map);
}
//==================================================================================
// function : RemplitTri
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::RemplitTri(const Standard_Integer x1,
const Standard_Integer y1,
const Standard_Integer z1,
const Standard_Integer x2,
const Standard_Integer y2,
const Standard_Integer z2,
const Standard_Integer x3,
const Standard_Integer y3,
const Standard_Integer z3,
IntPatch_PrmPrmIntersection_T3Bits& Map) const
{
if(x1==x2 && x1==x3 && y1==y2 && y1==y3 && z1==z2 && z1==z3) {
if(DansGrille(x1) && DansGrille(y1) && DansGrille(z1)) {
Standard_Integer t = GrilleInteger(x1,y1,z1);
Map.Add(t);
}
return;
}
else {
Standard_Integer xg=(x1+x2+x3)/3;
Standard_Integer yg=(y1+y2+y3)/3;
Standard_Integer zg=(z1+z2+z3)/3;
if(xg==x1 && yg==y1 && zg==z1) {
RemplitLin(x1,y1,z1,x2,y2,z2,Map);
RemplitLin(x1,y1,z1,x3,y3,z3,Map);
return;
}
if(xg==x2 && yg==y2 && zg==z2) {
RemplitLin(x2,y2,z2,x1,y1,z1,Map);
RemplitLin(x2,y2,z2,x3,y3,z3,Map);
return;
}
if(xg==x3 && yg==y3 && zg==z3) {
RemplitLin(x3,y3,z3,x2,y2,z2,Map);
RemplitLin(x3,y3,z3,x1,y1,z1,Map);
return;
}
if(DansGrille(xg) && DansGrille(yg) && DansGrille(zg)) {
Standard_Integer t = GrilleInteger(xg,yg,zg);
Map.Add(t);
}
if(xg!=x3 || yg!=y3 || zg!=z3) RemplitTri(x1,y1,z1, x2,y2,z2, xg,yg,zg, Map);
if(xg!=x1 || yg!=y1 || zg!=z1) RemplitTri(xg,yg,zg, x2,y2,z2, x3,y3,z3, Map);
if(xg!=x2 || yg!=y2 || zg!=z2) RemplitTri(x1,y1,z1, xg,yg,zg, x3,y3,z3, Map);
}
}
//==================================================================================
// function : Remplit
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::Remplit(const Standard_Integer a,
const Standard_Integer b,
const Standard_Integer c,
IntPatch_PrmPrmIntersection_T3Bits& Map) const
{
int iax,iay,iaz,ibx,iby,ibz,icx,icy,icz;
if(a!=-1) Map.Add(a);
if(b!=-1) Map.Add(b);
if(c!=-1) Map.Add(c);
if(a!=-1 && b!=-1 && c!=-1 ) {
IntegerGrille(a,iax,iay,iaz);
IntegerGrille(b,ibx,iby,ibz);
IntegerGrille(c,icx,icy,icz);
RemplitTri(iax,iay,iaz,ibx,iby,ibz,icx,icy,icz,Map);
}
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment,
IntSurf_ListOfPntOn2S& LOfPnts)
{
if (LOfPnts.IsEmpty()){
done = Standard_True;
return;
}
empt = Standard_True;
SLin.Clear();
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
Standard_Real U1,U2,V1,V2;
UminLig1 = Surf1->FirstUParameter();
VminLig1 = Surf1->FirstVParameter();
UmaxLig1 = Surf1->LastUParameter();
VmaxLig1 = Surf1->LastVParameter();
UminLig2 = Surf2->FirstUParameter();
VminLig2 = Surf2->FirstVParameter();
UmaxLig2 = Surf2->LastUParameter();
VmaxLig2 = Surf2->LastVParameter();
Standard_Real Periods [4];
Periods[0] = (Surf1->IsUPeriodic())? Surf1->UPeriod() : 0.;
Periods[1] = (Surf1->IsVPeriodic())? Surf1->VPeriod() : 0.;
Periods[2] = (Surf2->IsUPeriodic())? Surf2->UPeriod() : 0.;
Periods[3] = (Surf2->IsVPeriodic())? Surf2->VPeriod() : 0.;
IntSurf_ListIteratorOfListOfPntOn2S IterLOP1(LOfPnts);
if (Surf1->IsUClosed() || Surf1->IsVClosed() ||
Surf2->IsUClosed() || Surf2->IsVClosed())
{
Standard_Real TolPar = Precision::PConfusion();
IntSurf_ListOfPntOn2S AdditionalPnts;
Standard_Real NewU1, NewV1, NewU2, NewV2;
for(; IterLOP1.More(); IterLOP1.Next())
{
IntSurf_PntOn2S Pnt = IterLOP1.Value();
Pnt.Parameters(U1, V1, U2, V2);
IntSurf_PntOn2S NewPnt;
if (Surf1->IsUClosed())
{
if (Abs(U1 - Surf1->FirstUParameter()) <= TolPar)
{
NewU1 = Surf1->LastUParameter();
NewPnt.SetValue( NewU1, V1, U2, V2 );
AdditionalPnts.Append(NewPnt);
}
else if (Abs(U1 - Surf1->LastUParameter()) <= TolPar)
{
NewU1 = Surf1->FirstUParameter();
NewPnt.SetValue( NewU1, V1, U2, V2 );
AdditionalPnts.Append(NewPnt);
}
}
if (Surf1->IsVClosed())
{
if (Abs(V1 - Surf1->FirstVParameter()) <= TolPar)
{
NewV1 = Surf1->LastVParameter();
NewPnt.SetValue( U1, NewV1, U2, V2 );
AdditionalPnts.Append(NewPnt);
}
else if (Abs(V1 - Surf1->LastVParameter()) <= TolPar)
{
NewV1 = Surf1->FirstVParameter();
NewPnt.SetValue( U1, NewV1, U2, V2 );
AdditionalPnts.Append(NewPnt);
}
}
if (Surf2->IsUClosed())
{
if (Abs(U2 - Surf2->FirstUParameter()) <= TolPar)
{
NewU2 = Surf2->LastUParameter();
NewPnt.SetValue( U1, V1, NewU2, V2);
AdditionalPnts.Append(NewPnt);
}
else if (Abs(U2 - Surf2->LastUParameter()) <= TolPar)
{
NewU2 = Surf2->FirstUParameter();
NewPnt.SetValue( U1, V1, NewU2, V2);
AdditionalPnts.Append(NewPnt);
}
}
if (Surf2->IsVClosed())
{
if (Abs(V2 - Surf2->FirstVParameter()) <= TolPar)
{
NewV2 = Surf2->LastVParameter();
NewPnt.SetValue( U1, V1, U2, NewV2 );
AdditionalPnts.Append(NewPnt);
}
else if (Abs(V2 - Surf2->LastVParameter()) <= TolPar)
{
NewV2 = Surf2->FirstVParameter();
NewPnt.SetValue( U1, V1, U2, NewV2 );
AdditionalPnts.Append(NewPnt);
}
}
}
//Cut repeated points
for (IterLOP1.Initialize(LOfPnts); IterLOP1.More(); IterLOP1.Next())
{
IntSurf_PntOn2S aPnt = IterLOP1.Value();
aPnt.Parameters(U1, V1, U2, V2);
IntSurf_ListIteratorOfListOfPntOn2S iter2(AdditionalPnts);
while (iter2.More())
{
IntSurf_PntOn2S aNewPnt = iter2.Value();
aNewPnt.Parameters(NewU1, NewV1, NewU2, NewV2);
if (Abs(U1 - NewU1) <= TolPar &&
Abs(V1 - NewV1) <= TolPar &&
Abs(U2 - NewU2) <= TolPar &&
Abs(V2 - NewV2) <= TolPar)
AdditionalPnts.Remove(iter2);
else
iter2.Next();
}
}
LOfPnts.Append(AdditionalPnts);
}
for(IterLOP1.Initialize(LOfPnts); IterLOP1.More(); IterLOP1.Next()){
IntSurf_PntOn2S Pnt = IterLOP1.Value();
Pnt.Parameters(U1, V1, U2, V2);
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
}
Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
Standard_Integer NbLigCalculee = 0, ver;
Standard_Real pu1,pu2,pv1,pv2, dminiPointLigne;
Standard_Boolean HasStartPoint,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
gp_Pnt Point3dDebut,Point3dFin;
TColStd_Array1OfReal StartParams(1,4);
IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
IntSurf_ListIteratorOfListOfPntOn2S IterLOP2(LOfPnts);
for(; IterLOP2.More(); IterLOP2.Next() ){
IntSurf_PntOn2S cPnt = IterLOP2.Value();
cPnt.Parameters(U1, V1, U2, V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
if(HasStartPoint) {
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
Standard_Integer l;
for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
dminiPointLigne = 0.0;
}
}// for( l ...
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
if(PW.IsDone()) {
if(PW.NbPoints()>2)
{
//Try to extend the intersection line to boundary, if it is possible.
PW.PutToBoundary(Surf1, Surf2);
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
Point3dFin = PointFin.Value();
for( ver = 1 ; ver<= NbLigCalculee ; ver++) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
// Check end point if it is on existing line.
// Start point is checked before.
if (IsPointOnLine(PointFin, verwline, Deflection)) {
RejetLigne = Standard_True;
break;
}
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency) &&
(Point3dFin.Distance(verPointFin.Value()) <= TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne) {
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if( tgline.DotCross(norm2,norm1) >= 0. ) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline, Surf1, D1, Surf2, Standard_True, TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline, Surf2, D2, Surf1, Standard_False, TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
SeveralWlinesProcessing(Surf1, Surf2, SLin, Periods, trans1, trans2,
TolTang, Max(PW.MaxStep(0), PW.MaxStep(1)),
Max(PW.MaxStep(2), PW.MaxStep(3)), wline);
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}// !RejetLigne
}// PW points > 2
}// done is True
}// dminiPointLigne > SeuildPointLigne
}// HasStartPoint
}// for( IterLOP ...
done = Standard_True;
return;
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void IntPatch_PrmPrmIntersection::Perform(const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real U1Depart,
const Standard_Real V1Depart,
const Standard_Real U2Depart,
const Standard_Real V2Depart,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment)
{
// Standard_Integer NbU1 = D1->NbSamplesU();
// Standard_Integer NbV1 = D1->NbSamplesV();
// Standard_Integer NbU2 = D2->NbSamplesU();
// Standard_Integer NbV2 = D2->NbSamplesV();
//-- Traitement des Lignes de sections
empt = Standard_True;
done = Standard_True;
SLin.Clear();
//------------------------------------------------------------
Standard_Real pu1,pu2,pv1,pv2;
TColStd_Array1OfReal StartParams(1,4);
// Standard_Integer MaxOscill = NbU1;
// if(MaxOscill < NbU2) MaxOscill=NbU2;
// if(MaxOscill < NbV1) MaxOscill=NbV1;
// if(MaxOscill < NbV2) MaxOscill=NbV2;
// Standard_Real nIncrement=Increment;
// if(MaxOscill>10) {
// #ifdef OCCT_DEBUG
// std::cout<<"\n IntPatch_PrmPrmIntersection.gxx : Increment:"<<Increment<<" -> "<<Increment/(0.5*MaxOscill)<<std::endl;
// #endif
// nIncrement/=0.5*MaxOscill;
// }
IntWalk_PWalking PW(Surf1,Surf2,
TolTangency,
Epsilon,
Deflection,
Increment); //nIncrement);
//Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
//Standard_Real incidence;
//Standard_Real dminiPointLigne;
Standard_Boolean HasStartPoint;//,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
//Standard_Integer ver;
gp_Pnt Point3dDebut,Point3dFin;
//------------------------------------------------------------
StartParams(1) = U1Depart;
StartParams(2) = V1Depart;
StartParams(3) = U2Depart;
StartParams(4) = V2Depart;
//-----------------------------------------------------------------------
//-- Calcul du premier point de cheminement a partir du point approche --
//-----------------------------------------------------------------------
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint) {
//-------------------------------------------------
//-- Un point a ete trouve --
//-- On verifie qu il n appartient pas --
//-- a une ligne de cheminement deja calculee. --
//-------------------------------------------------
PW.Perform(StartParams);
if(PW.IsDone()) {
if(PW.NbPoints()>2) {
Point3dDebut = PW.Value(1).Value();
Point3dFin = PW.Value(PW.NbPoints()).Value();
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if (tgline.DotCross(norm2,norm1)>0.) {
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
return;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
return;
//---------------
if(wline->NbVertex() == 0) {
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
//---------------
SLin.Append(wline);
empt = Standard_False;
} //if(PW.NbPoints()>2)
} //if(PW.IsDone())
} //if(HasStartPoint)
}
//==================================================================================
// function : AdjustOnPeriodic
// purpose :
//==================================================================================
void AdjustOnPeriodic(const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_Surface)& Surf2,
IntPatch_SequenceOfLine& aSLin)
{
Standard_Boolean bIsPeriodic[4], bModified, bIsNull, bIsPeriod;
Standard_Integer i, j, k, aNbLines, aNbPx, aIndx, aIndq;
Standard_Real aPeriod[4], dPeriod[4], ux[4], uq[4], aEps, du;
//
aEps=Precision::Confusion();
//
for (k=0; k<4; ++k) {
aPeriod[k]=0.;
}
//
bIsPeriodic[0]=Surf1->IsUPeriodic();
bIsPeriodic[1]=Surf1->IsVPeriodic();
bIsPeriodic[2]=Surf2->IsUPeriodic();
bIsPeriodic[3]=Surf2->IsVPeriodic();
//
if (bIsPeriodic[0]){
aPeriod[0]=Surf1->UPeriod();
}
if (bIsPeriodic[1]){
aPeriod[1]=Surf1->VPeriod();
}
if (bIsPeriodic[2]){
aPeriod[2]=Surf2->UPeriod();
}
if (bIsPeriodic[3]){
aPeriod[3]=Surf2->VPeriod();
}
//
for (k=0; k<4; ++k) {
dPeriod[k]=0.25*aPeriod[k];
}
//
aNbLines=aSLin.Length();
for (i=1; i<=aNbLines; ++i) {
Handle(IntPatch_WLine) aIL=Handle(IntPatch_WLine)::DownCast(aSLin.Value(i));
Handle(IntSurf_LineOn2S) aL=aIL->Curve();
aNbPx=aL->NbPoints();
if (aNbPx<10) {
continue;
}
//
for (j=0; j<2; ++j) {
bModified=Standard_False;
aIndx=1;
aIndq=2;
if (j) {
aIndx=aNbPx;
aIndq=aNbPx-1;
}
//
const IntSurf_PntOn2S& aPSx=aL->Value(aIndx);
const IntSurf_PntOn2S& aPSq=aL->Value(aIndq);
//
aPSx.Parameters(ux[0], ux[1], ux[2], ux[3]);
aPSq.Parameters(uq[0], uq[1], uq[2], uq[3]);
//
for (k=0; k<4; ++k) {
bIsNull=Standard_False;
bIsPeriod=Standard_False;
//
if (!bIsPeriodic[k]) {
continue;
}
//
if (fabs(ux[k])<aEps) {
bModified=Standard_True;
bIsNull=Standard_True;
}
//
else if (fabs(ux[k]-aPeriod[k])<aEps) {
bModified=Standard_True;
bIsPeriod=Standard_True;
}
//
if (bModified) {
du=fabs(ux[k]-uq[k]);
if (du > dPeriod[k]) {
if(bIsNull){
ux[k]=aPeriod[k];
}
if(bIsPeriod) {
ux[k]=0.;
}
}
}
}//for (k=0; k<4; ++k)
if (bModified) {
IntSurf_PntOn2S aPntOn2S;
//
aPntOn2S=aPSx;
aPntOn2S.SetValue(ux[0], ux[1], ux[2], ux[3]);
aL->Value(aIndx, aPntOn2S);
}
}//for (j=0; j<1; ++j) {
}//for (i=1; i<=aNbLines; ++i)
}
//==================================================================================
// function : MakeNewPoint
// purpose :
//==================================================================================
IntSurf_PntOn2S MakeNewPoint(const IntSurf_PntOn2S& replacePnt,
const IntSurf_PntOn2S& oldPnt,
const Standard_Real* Periods)
{
IntSurf_PntOn2S NewPoint;
NewPoint.SetValue(replacePnt.Value());
Standard_Real OldParams[4], NewParams[4];
oldPnt.Parameters(OldParams[0], OldParams[1], OldParams[2], OldParams[3]);
replacePnt.Parameters(NewParams[0], NewParams[1], NewParams[2], NewParams[3]);
Standard_Integer i;
for (i = 0; i < 4; i++)
{
if (Periods[i] != 0.)
{
if (Abs(NewParams[i] - OldParams[i]) >= 0.5*Periods[i])
{
if (NewParams[i] < OldParams[i])
NewParams[i] += Periods[i];
else
NewParams[i] -= Periods[i];
}
}
}
NewPoint.SetValue(NewParams[0], NewParams[1], NewParams[2], NewParams[3]);
return NewPoint;
}
//==================================================================================
// function : Perform
// purpose : base SS Int. function
//==================================================================================
void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_Surface)& Surf1,
const Handle(Adaptor3d_TopolTool)& D1,
const Handle(Adaptor3d_Surface)& Surf2,
const Handle(Adaptor3d_TopolTool)& D2,
const Standard_Real TolTangency,
const Standard_Real Epsilon,
const Standard_Real Deflection,
const Standard_Real Increment,
const Standard_Boolean ClearFlag)
{
Standard_Integer Limit = 2500;
Standard_Integer NbU1 = 10, NbV1 = 10, NbU2 = 10, NbV2 = 10;
//
D1->SamplePnts(Deflection, NbU1, NbV1);
D2->SamplePnts(Deflection, NbU2, NbV2);
//
NbU1 = D1->NbSamplesU();
NbV1 = D1->NbSamplesV();
NbU2 = D2->NbSamplesU();
NbV2 = D2->NbSamplesV();
TColStd_Array1OfReal anUpars1(1, NbU1), aVpars1(1, NbV1);
TColStd_Array1OfReal anUpars2(1, NbU2), aVpars2(1, NbV2);
//
D1->UParameters(anUpars1);
D1->VParameters(aVpars1);
D2->UParameters(anUpars2);
D2->VParameters(aVpars2);
Standard_Real Periods [4];
Periods[0] = (Surf1->IsUPeriodic())? Surf1->UPeriod() : 0.;
Periods[1] = (Surf1->IsVPeriodic())? Surf1->VPeriod() : 0.;
Periods[2] = (Surf2->IsUPeriodic())? Surf2->UPeriod() : 0.;
Periods[3] = (Surf2->IsVPeriodic())? Surf2->VPeriod() : 0.;
//---------------------------------------------
if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit))
{
empt = Standard_True;
if (ClearFlag)
{
SLin.Clear();
}
//
IntPolyh_Intersection* pInterference = NULL;
if ( D1->IsUniformSampling() || D2->IsUniformSampling() )
{
pInterference = new IntPolyh_Intersection(Surf1,NbU1,NbV1,Surf2,NbU2,NbV2);
}
else
{
pInterference = new IntPolyh_Intersection(Surf1, anUpars1, aVpars1,
Surf2, anUpars2, aVpars2 );
}
if ( !pInterference )
{
done = Standard_False;
return;
}
//
IntPolyh_Intersection& Interference = *pInterference;
//
done = Interference.IsDone();
if( !done )
{
if (pInterference)
{
delete pInterference;
pInterference = NULL;
}
return;
}
Standard_Integer nbLigSec = Interference.NbSectionLines();
Standard_Integer nbTanZon = Interference.NbTangentZones();
Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
Standard_Integer NbLigCalculee = 0, ver;
Standard_Real pu1,pu2,pv1,pv2, incidence, dminiPointLigne;
Standard_Boolean HasStartPoint = Standard_False, RejectLine = Standard_False;
IntSurf_PntOn2S StartPOn2S;
gp_Pnt Point3dDebut,Point3dFin;
TColStd_Array1OfReal StartParams(1,4);
IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
if(nbLigSec>=1)
{
Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
for(Standard_Integer ls=1; ls<=nbLigSec; ++ls)
{
TabL[ls]=ls;
}
//----------------------------------------1.1
{
Standard_Boolean triok;
Standard_Integer nb_A, nb_B, tyu;
do
{
triok=Standard_True;
for(Standard_Integer b = 2; b <= nbLigSec; ++b )
{
nb_B = Interference.NbPointsInLine(TabL[b]);
nb_A = Interference.NbPointsInLine(TabL[b-1]);
if( nb_B > nb_A )
{
tyu=TabL[b];
TabL[b]=TabL[b-1];
TabL[b-1]=tyu;
triok=Standard_False;
}
}
}
while(triok==Standard_False);
}
//----------------------------------------
// 1.2 For the line "ls" get 2D-bounds U,V for surfaces 1,2
//
for(Standard_Integer ls = 1; ls <= nbLigSec; ++ls)
{
Standard_Integer nbp = Interference.NbPointsInLine(TabL[ls]);
if (!nbp)
{
continue;
}
//
Standard_Integer *TabPtDep = new Standard_Integer [nbp+1];
for(Standard_Integer ilig = 1; ilig <= nbp; ++ilig )
{
TabPtDep[ilig]=0;
}
//
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
Standard_Real _x,_y,_z;
//
Interference.GetLinePoint(TabL[ls], 1, _x, _y, _z,
UminLig1, VminLig1, UminLig2, VminLig2,
incidence);
UmaxLig1=UminLig1;
VmaxLig1=VminLig1;
UmaxLig2=UminLig2;
VmaxLig2=VminLig2;
//
for(Standard_Integer ilig = 2; ilig <= nbp; ilig++ )
{
Standard_Real U1, U2, V1, V2;
Interference.GetLinePoint(TabL[ls],ilig,_x,_y,_z,U1,V1,U2,V2,incidence);
//
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
//
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
}//for( ilig = 2; ilig <= nbp; ilig++ ) {
//
//----------------------------------------
// 1.3
Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
Standard_Boolean lignetrouvee=Standard_False;
const Standard_Integer NbDePointsDeDepartDuChmLimit = 5;
//
do
{
NombreDePointsDeDepartDuCheminement++;
switch (NombreDePointsDeDepartDuCheminement)
{
case 1:
nbps2 = (nbp > 1) ? nbp/2 : 1;
if(nbp<3)
NombreDePointsDeDepartDuCheminement = NbDePointsDeDepartDuChmLimit;
break;
case 2:
nbps2 = 1;
break;
case 3:
nbps2 = nbp-1;
break;
case 4:
nbps2 = 3 * nbp / 4;
break;
case 5:
nbps2 = nbp / 4;
break;
default:
nbps2 = NombreDePointsDeDepartDuCheminement-3;
NombreDePointsDeDepartDuCheminement++;
}
//
if(TabPtDep[nbps2] == 0)
{
Standard_Real U1, U2, V1, V2;
TabPtDep[nbps2] = 1;
Interference.GetLinePoint(TabL[ls],nbps2,_x,_y,_z,U1,V1,U2,V2,incidence);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
if(HasStartPoint)
{
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
Standard_Integer l;
for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++)
{
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection))
{
dminiPointLigne = 0.0;
}
}// for( l ...
if(dminiPointLigne > SeuildPointLigne)
{
PW.Perform(StartParams, UminLig1, VminLig1, UminLig2, VminLig2,
UmaxLig1, VmaxLig1, UmaxLig2, VmaxLig2);
//
Standard_Boolean bPWIsDone;
Standard_Real aD11, aD12, aD21, aD22, aDx;
//
bPWIsDone=PW.IsDone();
if(bPWIsDone)
{
Standard_Boolean hasBeenAdded = Standard_False;
if(PW.NbPoints() > 2 )
{
//Try to extend the intersection line to the boundary,
//if it is possibly
PW.PutToBoundary(Surf1, Surf2);
//
if (PW.NbPoints() < 3)
continue;
const Standard_Integer aMinNbPoints = 40;
if(PW.NbPoints() < aMinNbPoints)
{
hasBeenAdded = PW.SeekAdditionalPoints(Surf1, Surf2, aMinNbPoints);
}
Standard_Integer iPWNbPoints = PW.NbPoints(), aNbPointsVer = 0;
RejectLine = Standard_False;
Point3dDebut = PW.Value(1).Value();
Point3dFin = PW.Value(iPWNbPoints).Value();
for( ver = 1; (!RejectLine) && (ver<= NbLigCalculee); ++ver)
{
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
//
aNbPointsVer=verwline->NbPnts();
if (aNbPointsVer<3)
{
continue;
}
//
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
//xf
const gp_Pnt& aP21=verPointDebut.Value();
const gp_Pnt& aP22=verPointFin.Value();
//
aD11=Point3dDebut.Distance(aP21);
aD12=Point3dDebut.Distance(aP22);
aD21=Point3dFin.Distance(aP21);
aD22=Point3dFin.Distance(aP22);
//
if((aD11<=TolTangency && aD22<=TolTangency) ||
(aD12<=TolTangency && aD21<=TolTangency))
{
Standard_Integer m, mx;
//
mx=aNbPointsVer/2;
if (aNbPointsVer%2)
{
++mx;
}
//
const gp_Pnt& aPx=verwline->Point(mx).Value();
for(m=1; m<iPWNbPoints; ++m)
{
const gp_Pnt& aP1=PW.Value(m).Value();
const gp_Pnt& aP2=PW.Value(m+1).Value();
gp_Vec aVec12(aP1, aP2);
if (aVec12.SquareMagnitude()<1.e-20)
{
continue;
}
//
gp_Dir aDir12(aVec12);
gp_Lin aLin12(aP1, aDir12);
aDx=aLin12.Distance(aPx);
//modified by NIZNHY-PKV Tue May 10 11:08:07 2011f
if (aDx<=2.*Epsilon)
{
//if (aDx<=TolTangency) {
//modified by NIZNHY-PKV Tue May 10 11:08:13 2011t
RejectLine = Standard_True;
ver--;
break;
}
}//for(m=1; m<iPWNbPoints; ++m){
}//if((aD11<=TolTangency && aD22<=TolTangency) ||...
}// for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
//
if(RejectLine)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejectLine);
}
if(!RejectLine)
{
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if( tgline.DotCross(norm2,norm1) >= 0. )
{
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else
{
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
wline->EnablePurging(!hasBeenAdded);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
continue;
if(wline->NbVertex() == 0)
{
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
lignetrouvee = Standard_True;
SeveralWlinesProcessing(Surf1, Surf2, SLin, Periods, trans1, trans2,
TolTang, Max(PW.MaxStep(0), PW.MaxStep(1)),
Max(PW.MaxStep(2), PW.MaxStep(3)), wline);
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}// !RejetLigne
}// PW points > 2
}// done is True
}// dminiPointLigne > SeuildPointLigne
}// HasStartPoint
}// if TabPtDep[nbps2] == 0
} while(nbp>5 && !( (NombreDePointsDeDepartDuCheminement >= NbDePointsDeDepartDuChmLimit && lignetrouvee) ||
(NombreDePointsDeDepartDuCheminement-3 >= nbp && (!lignetrouvee))));
delete [] TabPtDep;
}// for( ls ...
delete [] TabL;
}// if nbLigSec >= 1
//
AdjustOnPeriodic(Surf1, Surf2, SLin);
//
//--------------------------------------------------------------------
//-- Calcul des parametres approches a partir des Zones De Tangence --
//--------------------------------------------------------------------
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
UminLig1=VminLig1=UminLig2=VminLig2=RealLast();
UmaxLig1=VmaxLig1=UmaxLig2=VmaxLig2=-UminLig1;
// NbPointsInTangentZone always == 1 (eap)
Standard_Integer z;
for( z=1; z <= nbTanZon; z++)
{
//Standard_Integer NbPointsInTangentZone=Interference.NbPointsInTangentZone(z);
//for(Standard_Integer pz=1; pz<=NbPointsInTangentZone; pz++) {
Standard_Integer pz=1;
Standard_Real _x,_y,_z;
Standard_Real U1, U2, V1, V2;
Interference.GetTangentZonePoint(z,pz,_x,_y,_z,U1,V1,U2,V2);
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
//}
}
for(z=1; z <= nbTanZon; z++)
{
//Standard_Integer NbPointsInTangentZone=Interference.NbPointsInTangentZone(z);
//for(Standard_Integer pz=1; pz<=NbPointsInTangentZone; pz++) {
Standard_Integer pz=1;
Standard_Real _x,_y,_z;
Standard_Real U1, U2, V1, V2;
Interference.GetTangentZonePoint(z,pz,_x,_y,_z,U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
//-----------------------------------------------------------------------
//-- Calcul du premier point de cheminement a partir du point approche --
//-----------------------------------------------------------------------
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint)
{
//-------------------------------------------------
//-- Un point a ete trouve --
//-- On verifie qu il n appartient pas --
//-- a une ligne de cheminement deja calculee. --
//-------------------------------------------------
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
for(Standard_Integer l=1;
(l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
l++)
{
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection))
{
dminiPointLigne = 0.0;
}
}
//-- Fin d exploration des lignes
if(dminiPointLigne > SeuildPointLigne)
{
//---------------------------------------------------
//-- Le point de depart du nouveau cheminement --
//-- n est present dans aucune ligne deja calculee.--
//---------------------------------------------------
PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,
UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
if(PW.IsDone())
{
Standard_Boolean hasBeenAdded = Standard_False;
if(PW.NbPoints()>2)
{
const Standard_Integer aMinNbPoints = 40;
if(PW.NbPoints() < aMinNbPoints)
{
hasBeenAdded = PW.SeekAdditionalPoints(Surf1, Surf2, aMinNbPoints);
}
//-----------------------------------------------
//-- Verification a posteriori :
//-- On teste si le point de depart et de fin de
//-- la ligne de cheminement est present dans une
//-- autre ligne .
//-----------------------------------------------
RejectLine = Standard_False;
Point3dDebut = PW.Value(1).Value();
const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
Point3dFin = PointFin.Value();
for(ver=1 ; (!RejectLine) && (ver<= NbLigCalculee) ; ver++)
{
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
//-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
// Check end point if it is on existing line.
// Start point is checked before.
if (IsPointOnLine(PointFin, verwline, Deflection))
{
RejectLine = Standard_True;
break;
}
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
{
RejectLine = Standard_True;
}
else
{
if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
{
RejectLine = Standard_True;
}
}
}
if(!RejectLine)
{
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if (tgline.DotCross(norm2,norm1)>0.)
{
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else
{
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
wline->EnablePurging(!hasBeenAdded);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
continue;
//---------------
if(wline->NbVertex() == 0)
{
IntPatch_Point vtx;
IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
POn2S = PW.Line()->Value(wline->NbPnts());
POn2S.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
//---------------
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}
else
{
//-- std::cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<std::endl;
}
//------------------------------------------------------------
}
} //-- le cheminement a reussi (done a True)
} //-- le point approche ne renvoie pas sur une ligne existante
} //-- Si HasStartPoint
//} //-- Boucle Sur les Points de la Tangent Zone
} //-- Boucle sur Les Tangent Zones
if ( pInterference )
{
delete pInterference;
pInterference = NULL;
}
return;
}// if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit)) {
Handle(IntSurf_LineOn2S) LOn2S = new IntSurf_LineOn2S();
PointDepart( LOn2S, Surf1, NbU1, NbV1, Surf2, NbU2, NbV2 );
empt = Standard_True;
done = Standard_True;
Standard_Integer NbLigCalculee = 0;
Standard_Real U1,U2,V1,V2;
Standard_Real pu1,pu2,pv1,pv2;
TColStd_Array1OfReal StartParams(1,4);
Standard_Integer MaxOscill = NbU1;
if(MaxOscill < NbU2) MaxOscill=NbU2;
if(MaxOscill < NbV1) MaxOscill=NbV1;
if(MaxOscill < NbV2) MaxOscill=NbV2;
Standard_Real nIncrement=Increment;
//if(MaxOscill>10)
//nIncrement/=0.5*MaxOscill;
IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,nIncrement);
Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
Standard_Real dminiPointLigne;
Standard_Boolean HasStartPoint,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
Standard_Integer ver;
gp_Pnt Point3dDebut,Point3dFin;
//------------------------------------------------------------
//-- Calcul des parametres approches a partir des Zones De Tangence --
//--------------------------------------------------------------------
Standard_Integer nbTanZon = LOn2S->NbPoints();
for(Standard_Integer z=1; z <= nbTanZon; z++) {
const IntSurf_PntOn2S& POn2S = LOn2S->Value(z);
POn2S.Parameters(U1,V1,U2,V2);
StartParams(1) = U1;
StartParams(2) = V1;
StartParams(3) = U2;
StartParams(4) = V2;
//-----------------------------------------------------------------------
//-- Calcul du premier point de cheminement a partir du point approche --
//-----------------------------------------------------------------------
HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
if(HasStartPoint)
{
//-------------------------------------------------
//-- Un point a ete trouve --
//-- On verifie qu il n appartient pas --
//-- a une ligne de cheminement deja calculee. --
//-------------------------------------------------
StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
NbLigCalculee = SLin.Length();
dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
for(Standard_Integer l=1;
(l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
l++)
{
const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
if (IsPointOnLine(StartPOn2S, testwline, Deflection))
{
dminiPointLigne = 0.0;
}
}
//-- Fin d exploration des lignes
if(dminiPointLigne > SeuildPointLigne)
{
//---------------------------------------------------
//-- Le point de depart du nouveau cheminement --
//-- n est present dans aucune ligne deja calculee.--
//---------------------------------------------------
PW.Perform(StartParams);
if(PW.IsDone())
{
if(PW.NbPoints()>2)
{
//-----------------------------------------------
//-- Verification a posteriori :
//-- On teste si le point de depart et de fin de
//-- la ligne de cheminement est present dans une
//-- autre ligne .
//-----------------------------------------------
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
Point3dFin = PointFin.Value();
for(ver=1 ; ver<= NbLigCalculee ; ver++)
{
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
//-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
// Check end point if it is on existing line.
// Start point is checked before.
if (IsPointOnLine(PointFin, verwline, Deflection))
{
RejetLigne = Standard_True;
break;
}
const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
if( (Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) ||
(Point3dFin.Distance(verPointFin.Value()) < TolTangency))
{
RejetLigne = Standard_True;
break;
}
}
if(RejetLigne)
{
DublicateOfLinesProcessing(PW, ver, SLin, RejetLigne);
}
if(!RejetLigne)
{
IntSurf_TypeTrans trans1,trans2;
Standard_Real locu,locv;
gp_Vec norm1,norm2,d1u,d1v;
gp_Pnt ptbid;
Standard_Integer indextg;
gp_Vec tgline(PW.TangentAtLine(indextg));
PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
Surf1->D1(locu,locv,ptbid,d1u,d1v);
norm1 = d1u.Crossed(d1v);
PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
Surf2->D1(locu,locv,ptbid,d1u,d1v);
norm2 = d1u.Crossed(d1v);
if (tgline.DotCross(norm2,norm1)>0.)
{
trans1 = IntSurf_Out;
trans2 = IntSurf_In;
}
else {
trans1 = IntSurf_In;
trans2 = IntSurf_Out;
}
Standard_Real TolTang = TolTangency;
Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
wline->SetCreatingWayInfo(IntPatch_WLine::IntPatch_WLPrmPrm);
//the method PutVertexOnLine can reduce the number of points in <wline>
IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
if (wline->NbPnts() < 2)
continue;
IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
if (wline->NbPnts() < 2)
continue;
//---------------
if(wline->NbVertex() == 0)
{
IntPatch_Point vtx;
const IntSurf_PntOn2S& POn2Sf = PW.Line()->Value(1);
POn2Sf.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dDebut,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(1);
wline->AddVertex(vtx);
const IntSurf_PntOn2S& POn2Sl = PW.Line()->Value(wline->NbPnts());
POn2Sl.Parameters(pu1,pv1,pu2,pv2);
vtx.SetValue(Point3dFin,TolTang,Standard_False);
vtx.SetParameters(pu1,pv1,pu2,pv2);
vtx.SetParameter(wline->NbPnts());
wline->AddVertex(vtx);
}
//---------------
AddWLine(SLin, wline, Deflection);
empt = Standard_False;
}
else
{
//-- std::cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<std::endl;
}
//------------------------------------------------------------
}
} //-- le cheminement a reussi (done a True)
} //-- le point approche ne renvoie pas sur une ligne existante
} //-- Si HasStartPoint
} //-- Boucle sur Les Tangent Zones
}
//modified by NIZNHY-PKV Wed May 25 09:39:07 2011f
//=======================================================================
//class : IntPatch_InfoPD
//purpose :
//=======================================================================
class IntPatch_InfoPD {
public:
//----------------------------------------C-tor
IntPatch_InfoPD(const Standard_Integer aNBI) {
Standard_Integer aNBI2, i, j;
myNBI=aNBI;
//
aNBI2=aNBI*aNBI;
myP1DS2=new char[aNBI2];
myP2DS1=new char[aNBI2];
myIP1=new Standard_Integer[aNBI2];
myIP2=new Standard_Integer[aNBI2];
myP1=new gp_Pnt[aNBI2];
myP2=new gp_Pnt[aNBI2];
//
for (i=0; i<myNBI; ++i) {
for (j=0; j<myNBI; ++j) {
xP1DS2(i, j)=0;
xP2DS1(i, j)=0;
xIP1(i, j)=0;
xIP2(i, j)=0;
xP1(i, j).SetCoord(0., 0., 0.);
xP2(i, j).SetCoord(0., 0., 0.);
}
}
};
//---------------------------------------- D-tor
~IntPatch_InfoPD() {
delete [] (char*) myP1DS2;
delete [] (char*) myP2DS1;
delete [] (Standard_Integer*) myIP1;
delete [] (Standard_Integer*) myIP2;
delete [] (gp_Pnt*)myP1;
delete [] (gp_Pnt*)myP2;
};
//---------------------------------------- Index
Standard_Integer Index(const Standard_Integer i,
const Standard_Integer j) const {
return i*myNBI+j;
};
//---------------------------------------- NBI
Standard_Integer NBI() const {
return myNBI;
};
//----------------------------------------xP1DS2
char& xP1DS2(const Standard_Integer i,
const Standard_Integer j) {
return myP1DS2[Index(i,j)];
};
//----------------------------------------xP2DS1
char& xP2DS1(const Standard_Integer i,
const Standard_Integer j) {
return myP2DS1[Index(i,j)];
};
//----------------------------------------xIP1
Standard_Integer& xIP1(const Standard_Integer i,
const Standard_Integer j) {
return myIP1[Index(i,j)];
};
//----------------------------------------xIP2
Standard_Integer& xIP2(const Standard_Integer i,
const Standard_Integer j) {
return myIP2[Index(i,j)];
};
//----------------------------------------xP1
gp_Pnt& xP1(const Standard_Integer i,
const Standard_Integer j) {
return myP1[Index(i,j)];
};
//----------------------------------------xP1
gp_Pnt& xP2(const Standard_Integer i,
const Standard_Integer j) {
return myP2[Index(i,j)];
};
private:
IntPatch_InfoPD (const IntPatch_InfoPD&);
IntPatch_InfoPD& operator=(const IntPatch_InfoPD&);
private:
Standard_Integer myNBI;
char *myP1DS2;
char *myP2DS1;
Standard_Integer *myIP1;
Standard_Integer *myIP2;
gp_Pnt *myP1;
gp_Pnt *myP2;
};
//modified by NIZNHY-PKV Tue May 24 11:38:55 2011t
//==================================================================================
// function : PointDepart
// purpose :
//==================================================================================
void IntPatch_PrmPrmIntersection::PointDepart(Handle(IntSurf_LineOn2S)& LineOn2S,
const Handle(Adaptor3d_Surface)& S1,
const Standard_Integer SU_1,
const Standard_Integer SV_1,
const Handle(Adaptor3d_Surface)& S2,
const Standard_Integer SU_2,
const Standard_Integer SV_2) const
{
Standard_Integer i, j, xNBI;
//modified by NIZNHY-PKV Tue May 24 11:37:38 2011f
xNBI=200;
IntPatch_InfoPD aIPD(xNBI);
//modified by NIZNHY-PKV Wed May 25 06:47:12 2011t
Standard_Integer iC15, SU1, SV1, SU2, SV2;
Standard_Real U0, U1, V0, V1, U, V;
Standard_Real resu0,resv0;
Standard_Real du1,du2,dv1,dv2, dmaxOn1, dmaxOn2;
Standard_Real x0,y0,z0, x1,y1,z1,d;
Bnd_Box Box1, Box2;
//
iC15=15;
SU1 =iC15*SU_1 ;
SV1 =iC15*SV_1 ;
SU2 =iC15*SU_2 ;
SV2 =iC15*SV_2 ;
//
if(xNBI<SU1) {
SU1 = xNBI;
}
if(xNBI<SV1){
SV1 = xNBI;
}
if(xNBI<SU2){
SU2 = xNBI;
}
if(xNBI<SV2){
SV2 = xNBI;
}
//
U0 = S1->FirstUParameter();
U1 = S1->LastUParameter();
V0 = S1->FirstVParameter();
V1 = S1->LastVParameter();
//
resu0=U0;
resv0=V0;
//
dmaxOn1 = 0.0;
dmaxOn2 = 0.0;
//-----
du1 = (U1-U0)/(SU1-1);
dv1 = (V1-V0)/(SV1-1);
for(U=U0,i=0; i<SU1; i++,U+=du1) {
for(V=V0,j=0; j<SV1; V+=dv1,j++) {
aIPD.xP1(i, j)= S1->Value(U,V);
Box1.Add(aIPD.xP1(i, j));
if(i>0 && j>0) {
aIPD.xP1(i, j) .Coord(x0,y0,z0);
aIPD.xP1(i-1, j-1).Coord(x1,y1,z1);
//
d=Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
if(d>dmaxOn1) {
dmaxOn1 = d;
}
}
}
}
Box1.Enlarge(1.e-8);
//
U0 = S2->FirstUParameter();
U1 = S2->LastUParameter();
V0 = S2->FirstVParameter();
V1 = S2->LastVParameter();
//
du2 = (U1-U0)/(SU2-1);
dv2 = (V1-V0)/(SV2-1);
for(U=U0,i=0; i<SU2; i++,U+=du2) {
for(V=V0,j=0; j<SV2; V+=dv2,j++) {
aIPD.xP2(i, j) = S2->Value(U,V);
Box2.Add(aIPD.xP2(i, j));
if(i>0 && j>0) {
aIPD.xP2(i, j) .Coord(x0,y0,z0);
aIPD.xP2(i-1, j-1).Coord(x1,y1,z1);
d = Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
if(d>dmaxOn2) {
dmaxOn2 = d;
}
}
}
}
Box2.Enlarge(1.e-8);
//--------
//
if(Box1.IsOut(Box2)) {
return;
}
//
Standard_Integer aNbPG;
Standard_Real x10,y10,z10,x11,y11,z11;
Standard_Real x20,y20,z20,x21,y21,z21;
Standard_Real dx, dy, dz, dmax;
Standard_Real dx2, dy2, dz2;
//
Box1.Get(x10,y10,z10,x11,y11,z11);
Box2.Get(x20,y20,z20,x21,y21,z21);
//
x0 = (x10>x20)? x10 : x20;
y0 = (y10>y20)? y10 : y20;
z0 = (z10>z20)? z10 : z20;
//
x1 = (x11<x21)? x11 : x21;
y1 = (y11<y21)? y11 : y21;
z1 = (z11<z21)? z11 : z21;
//
if(dmaxOn2 > dmaxOn1) {
dmaxOn1 = dmaxOn2;
}
//
dmaxOn1+=dmaxOn1;
x0-=dmaxOn1;
y0-=dmaxOn1;
z0-=dmaxOn1;
x1+=dmaxOn1;
y1+=dmaxOn1;
z1+=dmaxOn1;
//
x10-=dmaxOn1; y10-=dmaxOn1; z10-=dmaxOn1;
x11+=dmaxOn1; y11+=dmaxOn1; z11+=dmaxOn1;
x20-=dmaxOn1; y20-=dmaxOn1; z20-=dmaxOn1;
x21+=dmaxOn1; y21+=dmaxOn1; z21+=dmaxOn1;
aNbPG=NbPointsGrille();
dx = (x1-x0)/aNbPG;
dy = (y1-y0)/aNbPG;
dz = (z1-z0)/aNbPG;
//
dmax = dx;
if(dy>dmax) {
dmax = dy;
}
if(dz>dmax){
dmax = dz;
}
//
if(dx<dmax*0.01) {
dx = dmax*0.01;
}
if(dy<dmax*0.01) {
dy = dmax*0.01;
}
if(dz<dmax*0.01) {
dz = dmax*0.01;
}
//
dx2 = dx*0.5;
dy2 = dy*0.5;
dz2 = dz*0.5 ;
//
IntPatch_PrmPrmIntersection_T3Bits M1(_BASE);
IntPatch_PrmPrmIntersection_T3Bits M2(_BASE);
//
for(i=0;i<SU1;i++) {
for(j=0;j<SV1;j++) {
aIPD.xIP1(i, j)=-1;
const gp_Pnt& P=aIPD.xP1(i, j);
aIPD.xP1DS2(i, j) = (char)CodeReject(x20,y20,z20,x21,y21,z21,P.X(),P.Y(),P.Z());
int ix = (int)((P.X()-x0 + dx2 )/dx);
if(DansGrille(ix)) {
int iy = (int)((P.Y()-y0 + dy2)/dy);
if(DansGrille(iy)) {
int iz = (int)((P.Z()-z0 + dz2)/dz);
if(DansGrille(iz)) {
aIPD.xIP1(i, j) = GrilleInteger(ix,iy,iz);
}
}
}
}
}
//-- std::cout<<" Grille du 1 fini "<<std::endl;
for(i=0;i<SU2;i++) {
for(j=0;j<SV2;j++) {
aIPD.xIP2(i, j)=-1;
const gp_Pnt& P=aIPD.xP2(i, j);
aIPD.xP2DS1(i, j) = (char)CodeReject(x10,y10,z10,x11,y11,z11,P.X(),P.Y(),P.Z());
int ix = (int)((P.X()-x0 + dx2)/dx);
if(DansGrille(ix)) {
int iy = (int)((P.Y()-y0 + dy2)/dy);
if(DansGrille(iy)) {
int iz = (int)((P.Z()-z0 + dz2)/dz);
if(DansGrille(iz)) {
aIPD.xIP2(i, j) = GrilleInteger(ix,iy,iz);
}
}
}
}
}
//
for(i=0;i<SU1-1;i+=1) {
for(j=0;j<SV1-1;j+=1) {
if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j)) ||
(aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))){
Remplit(aIPD.xIP1(i, j),
aIPD.xIP1(i+1, j),
aIPD.xIP1(i+1, j+1),
M1);
}
if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i, j+1)) ||
(aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))) {
Remplit(aIPD.xIP1(i, j),
aIPD.xIP1(i, j+1),
aIPD.xIP1(i+1, j+1),
M1);
}
}
}
//
for(i=0;i<SU2-1;i+=1) {
for(j=0;j<SV2-1;j+=1) {
if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j)) ||
(aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
Remplit(aIPD.xIP2(i, j),
aIPD.xIP2(i+1, j),
aIPD.xIP2(i+1, j+1),
M2);
}
if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i, j+1)) ||
(aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
Remplit(aIPD.xIP2(i, j),
aIPD.xIP2(i, j+1),
aIPD.xIP2(i+1, j+1),
M2);
}
}
}
//
M1.ResetAnd();
M2.ResetAnd();
//
int newind=0;
int ok=0;
int indicepointtraite = 0;
Standard_Integer k,nu,nv;
//
do {
indicepointtraite--;
ok = M1.And(M2,newind);
if(ok) {
IntegerGrille(newind,i,j,k);
int nb=0;
int LIM=3;
if( DansGrille(i-1) && DansGrille(j-1) && DansGrille(k-1)
&& DansGrille(i+1) && DansGrille(j+1) && DansGrille(k+1)) {
int si,sj,sk;
for(si=-1; si<= 1 && nb<LIM; si++) {
for(sj=-1; sj<= 1 && nb<LIM; sj++) {
for(sk=-1; sk<= 1 && nb<LIM; sk++) {
Standard_Integer lu = GrilleInteger(i+si,j+sj,k+sk);
if(M1.Val(lu) && M2.Val(lu)) {
nb++;
}
}
}
}
if(nb>=LIM) {
for(si=-1; si<= 1; si++) {
for(sj=-1; sj<= 1; sj++) {
for(sk=-1; sk<= 1; sk++) {
if(si || sj || sk) {
Standard_Integer lu = GrilleInteger(i+si,j+sj,k+sk);
M1.Raz(lu);
}
}
}
}
}
}
//
gp_Pnt P(dx*i + x0, dy*j + y0, dz*k+z0);
//
Standard_Integer nu1=-1,nu2=-1;
Standard_Integer nv1=0, nv2=0;
for(nu=0;nu1<0 && nu<SU1;nu++) {
for(nv=0;nu1<0 && nv<SV1;nv++) {
if( aIPD.xIP1(nu, nv) ==(Standard_Integer) newind ) {
aIPD.xIP1(nu, nv)=indicepointtraite;
nu1=nu; nv1=nv;
}
}
}
if(nu1>=0) {
for(nu=0;nu2<0 && nu<SU2;nu++) {
for(nv=0;nu2<0 && nv<SV2;nv++) {
if( aIPD.xIP2(nu, nv)==(Standard_Integer) newind ) {
aIPD.xIP2(nu, nv)=indicepointtraite;
nu2=nu; nv2=nv;
}
}
}
}
if(nu1>=0 && nu2>=0) {
IntSurf_PntOn2S POn2S;
POn2S.SetValue(P,
S1->FirstUParameter()+nu1*du1,
S1->FirstVParameter()+nv1*dv1,
S2->FirstUParameter()+nu2*du2,
S2->FirstVParameter()+nv2*dv2);
LineOn2S->Add(POn2S);
}
else {
//-- aucun point du triangle n a ete trouve assez proche
//-- on recherche les 3 points les plus proches de P
//-- dans chacun des tableaux
Standard_Real Dist3[3],u3[3] = { 0.0, 0.0, 0.0 },v3[3] = { 0.0, 0.0, 0.0 };
Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
for(U=resu0,i=0; i<SU1; i++,U+=du1) {
for(V=resv0,j=0; j<SV1; V+=dv1,j++) {
//-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
Standard_Real t = aIPD.xP1(i, j).SquareDistance(P);
//-- On remplace la plus grande valeur ds Dist[.] par la val courante
if(Dist3[0]<Dist3[1]) {
Standard_Real z;
z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
z=u3[0]; u3[0]=u3[1]; u3[1]=z;
z=v3[0]; v3[0]=v3[1]; v3[1]=z;
}
if(Dist3[1]<Dist3[2]) {
Standard_Real z;
z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
z=u3[1]; u3[1]=u3[2]; u3[2]=z;
z=v3[1]; v3[1]=v3[2]; v3[2]=z;
}
if(Dist3[0]<Dist3[1]) {
Standard_Real z;
z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
z=u3[0]; u3[0]=u3[1]; u3[1]=z;
z=v3[0]; v3[0]=v3[1]; v3[1]=z;
}
//-- la plus grande valeur est dans Dist3[0]
if(t<Dist3[0]) {
Dist3[0]=t; u3[0]=U; v3[0]=V;
}
}
}
//
Standard_Real U1_3 = (u3[0]+u3[1]+u3[2])/3.0;
Standard_Real V1_3 = (v3[0]+v3[1]+v3[2])/3.0;
Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
for(U=U0,i=0; i<SU2; i++,U+=du2) {
for(V=V0,j=0; j<SV2; V+=dv2,j++) {
//-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
Standard_Real t = aIPD.xP2(i, j).SquareDistance(P);
//-- On remplace la plus grande valeur ds Dist3[.] par la val courante
if(Dist3[0]<Dist3[1]) {
Standard_Real z;
z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
z=u3[0]; u3[0]=u3[1]; u3[1]=z;
z=v3[0]; v3[0]=v3[1]; v3[1]=z;
}
if(Dist3[1]<Dist3[2]) {
Standard_Real z;
z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
z=u3[1]; u3[1]=u3[2]; u3[2]=z;
z=v3[1]; v3[1]=v3[2]; v3[2]=z;
}
if(Dist3[0]<Dist3[1]) {
Standard_Real z;
z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
z=u3[0]; u3[0]=u3[1]; u3[1]=z;
z=v3[0]; v3[0]=v3[1]; v3[1]=z;
}
//-- la plus grande valeur est dans Dist3[0]
if(t<Dist3[0]) {
Dist3[0]=t; u3[0]=U; v3[0]=V;
}
}
}
//
Standard_Real U2_3 = (u3[0]+u3[1]+u3[2])/3.0;
Standard_Real V2_3 = (v3[0]+v3[1]+v3[2])/3.0;
//
IntSurf_PntOn2S POn2S;
POn2S.SetValue(P,U1_3,V1_3,U2_3,V2_3);
LineOn2S->Add(POn2S);
}
}
}
while(ok);
}
//==================================================================================
// function : IsPointOnLine
// purpose :
//==================================================================================
Standard_Boolean IsPointOnLine(const IntSurf_PntOn2S &thePOn2S,
const Handle(IntPatch_WLine) &theWLine,
const Standard_Real Deflection)
{
Standard_Boolean isOnLine = Standard_False;
Standard_Real Deflection2 = Deflection*Deflection;
Standard_Real pu1, pu2, pv1, pv2;
thePOn2S.Parameters(pu1, pv1, pu2, pv2);
if ((theWLine->IsOutSurf1Box(gp_Pnt2d(pu1, pv1)) == Standard_False) &&
(theWLine->IsOutSurf2Box(gp_Pnt2d(pu2, pv2)) == Standard_False) &&
(theWLine->IsOutBox(thePOn2S.Value()) == Standard_False)) {
const Standard_Integer NbPntOn2SOnLine = theWLine->NbPnts();
Standard_Integer ll;
for (ll=1; ll < NbPntOn2SOnLine && !isOnLine; ll++) {
const gp_Pnt &Pa = theWLine->Point(ll).Value();
const gp_Pnt &Pb = theWLine->Point(ll+1).Value();
const gp_Pnt &PStart = thePOn2S.Value();
const gp_Vec AM(Pa, PStart);
const gp_Vec MB(PStart,Pb);
const Standard_Real AMMB = AM.Dot(MB);
if(AMMB > 0.0) {
gp_Dir ABN(Pb.X() - Pa.X(), Pb.Y() - Pa.Y(), Pb.Z() - Pa.Z());
Standard_Real lan = ABN.X()*AM.X() + ABN.Y()*AM.Y() + ABN.Z()*AM.Z();
gp_Vec AH(lan*ABN.X(), lan*ABN.Y(), lan*ABN.Z());
gp_Vec HM(AM.X() - AH.X(), AM.Y() - AH.Y(), AM.Z() - AH.Z());
Standard_Real d = 0.0;
if(HM.X() < Deflection) {
d += HM.X()*HM.X();
if(HM.Y() < Deflection) {
d += HM.Y()*HM.Y();
if(HM.Z() < Deflection) {
d += HM.Z()*HM.Z();
} else {
d = Deflection2;
}
} else {
d = Deflection2;
}
} else {
d = Deflection2;
}
if(d < Deflection2) {
isOnLine = Standard_True;
}
} else {
Standard_Real dab = Pa.SquareDistance(Pb);
Standard_Real dap = Pa.SquareDistance(PStart);
if(dap < dab) {
isOnLine = Standard_True;
} else {
Standard_Real dbp = Pb.SquareDistance(PStart);
if(dbp < dab) {
isOnLine = Standard_True;
}
}
}
}
}
return isOnLine;
}
//==================================================================================
// function : AddWLine
// purpose :
//==================================================================================
void AddWLine(IntPatch_SequenceOfLine &theLines,
const Handle(IntPatch_WLine) &theWLine,
const Standard_Real Deflection)
{
Standard_Integer i = 1;
Standard_Integer aNbLines = theLines.Length();
Standard_Boolean isToRemove;
// Check each line of theLines if it is on theWLine.
while (i <= aNbLines) {
Handle(IntPatch_WLine) aWLine =
Handle(IntPatch_WLine)::DownCast(theLines.Value(i));
isToRemove = Standard_False;
if (aWLine.IsNull() == Standard_False) {
// Check the middle point.
Standard_Integer aMidIndex = (aWLine->NbPnts() + 1)/2;
if (aMidIndex > 0) {
const IntSurf_PntOn2S &aPnt = aWLine->Point(aMidIndex);
if (IsPointOnLine(aPnt, theWLine, Deflection)) {
// Middle point is on theWLine. Check vertices.
isToRemove = Standard_True;
Standard_Integer j;
const Standard_Integer aNbVtx = aWLine->NbVertex();
for (j = 1; j <= aNbVtx; j++) {
const IntPatch_Point &aPoint = aWLine->Vertex(j);
if (!IsPointOnLine(aPoint.PntOn2S(), theWLine, Deflection)) {
isToRemove = Standard_False;
break;
}
}
}
}
}
if (isToRemove) {
theLines.Remove(i);
aNbLines--;
} else {
i++;
}
}
// Add theWLine to the sequence of lines.
theLines.Append(theWLine);
}
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