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0024650: Wrong intersection curves obtained for a surface of revolution and a plane.

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Test case for issue CR24650
This commit is contained in:
ifv
2014-03-06 15:11:23 +04:00
committed by abv
parent d16b64f1ec
commit e618b52683
5 changed files with 925 additions and 697 deletions
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350
src/IntPatch/IntPatch_ImpPrmIntersection.cxx
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@@ -22,6 +22,7 @@
#include <IntSurf_PntOn2S.hxx>
#include <IntSurf_LineOn2S.hxx>
#include <IntSurf.hxx>
#include <IntSurf_InteriorPoint.hxx>
#include <Adaptor2d_HCurve2d.hxx>
#include <IntSurf_PathPoint.hxx>
@@ -529,24 +530,67 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
}
}
//
// Recherche des points interieurs
if (!reversed) {
if (myIsStartPnt)
solins.Perform(Func,Surf2,myUStart,myVStart);
Standard_Boolean SearchIns = Standard_True;
if(Quad.TypeQuadric() == GeomAbs_Plane && solrst.NbSegments() > 0)
{
//For such kind of cases it is possible that whole surface is on one side of plane,
//plane only touches surface and does not cross it,
//so no inner points exist.
SearchIns = Standard_False;
Handle(Adaptor3d_TopolTool) T;
if(reversed)
{
T = D1;
}
else
solins.Perform(Func,Surf2,D2,TolTang);
{
T = D2;
}
Standard_Integer aNbSamples = 0;
aNbSamples = T->NbSamples();
gp_Pnt2d s2d;
gp_Pnt s3d;
Standard_Real aValf[1], aUVap[2];
math_Vector Valf(aValf,1,1), UVap(aUVap,1,2);
T->SamplePoint(1,s2d, s3d);
UVap(1)=s2d.X();
UVap(2)=s2d.Y();
Func.Value(UVap,Valf);
Standard_Real rvalf = Sign(1.,Valf(1));
for(i = 2; i <= aNbSamples; ++i)
{
D1->SamplePoint(i,s2d, s3d);
UVap(1)=s2d.X();
UVap(2)=s2d.Y();
Func.Value(UVap,Valf);
if(rvalf * Valf(1) < 0.)
{
SearchIns = Standard_True;
break;
}
}
}
else {
if (myIsStartPnt)
solins.Perform(Func,Surf1,myUStart,myVStart);
else
solins.Perform(Func,Surf1,D1,TolTang);
// Recherche des points interieurs
NbPointIns = 0;
if(SearchIns) {
if (!reversed) {
if (myIsStartPnt)
solins.Perform(Func,Surf2,myUStart,myVStart);
else
solins.Perform(Func,Surf2,D2,TolTang);
}
else {
if (myIsStartPnt)
solins.Perform(Func,Surf1,myUStart,myVStart);
else
solins.Perform(Func,Surf1,D1,TolTang);
}
NbPointIns = solins.NbPoints();
for (i=1; i <= NbPointIns; i++) {
seqpins.Append(solins.Value(i));
}
}
//
NbPointIns = solins.NbPoints();
for (i=1; i <= NbPointIns; i++) {
seqpins.Append(solins.Value(i));
}
NbPointDep=seqpdep.Length();
//
if (NbPointDep || NbPointIns) {
@@ -722,69 +766,71 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
wline = new IntPatch_WLine(thelin,Standard_False,trans1,trans2);
if ( iwline->HasFirstPoint()
&& iwline->IsTangentAtBegining() == Standard_False) {
indfirst = iwline->FirstPointIndex();
PPoint = seqpdep(indfirst);
tgline = PPoint.Direction3d();
Standard_Integer themult = PPoint.Multiplicity();
for (i=NbPointRst; i>=1; i--) {
if (Destination(i) == indfirst) {
if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
Quad.Parameters(PPoint.Value(),U1,V1);
&& iwline->IsTangentAtBegining() == Standard_False)
{
indfirst = iwline->FirstPointIndex();
PPoint = seqpdep(indfirst);
tgline = PPoint.Direction3d();
Standard_Integer themult = PPoint.Multiplicity();
for (i=NbPointRst; i>=1; i--) {
if (Destination(i) == indfirst) {
if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
Quad.Parameters(PPoint.Value(),U1,V1);
if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
PPoint.Parameters(themult,U2,V2);
Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
}
else { //-- typeS1 != Pln && Cyl && Sph && Cone
Quad.Parameters(PPoint.Value(),U2,V2);
if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
PPoint.Parameters(themult,U1,V1);
Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
}
VecNormale = d1u.Crossed(d1v);
//-- Modif du 27 Septembre 94 (Recadrage des pts U,V)
ptdeb.SetValue(PPoint.Value(),TolArc,Standard_False);
ptdeb.SetParameters(U1,V1,U2,V2);
ptdeb.SetParameter(1.);
Recadre(reversed,typeS1,typeS2,ptdeb,iwline,1,U1,V1,U2,V2);
currentarc = solrst.Point(i).Arc();
currentparam = solrst.Point(i).Parameter();
currentarc->D1(currentparam,p2d,d2d);
tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
if(squaremagnitudeVecNormale > 1e-13) {
DirNormale=VecNormale;
IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
}
else {
TLine.SetValue(Standard_True,IntSurf_Undecided);
TArc.SetValue(Standard_True,IntSurf_Undecided);
}
ptdeb.SetArc(reversed,currentarc,currentparam,TLine,TArc);
if (!solrst.Point(i).IsNew()) {
ptdeb.SetVertex(reversed,solrst.Point(i).Vertex());
}
wline->AddVertex(ptdeb);
if (themult == 0) {
wline->SetFirstPoint(wline->NbVertex());
}
themult--;
PPoint.Parameters(themult,U2,V2);
Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
}
else { //-- typeS1 != Pln && Cyl && Sph && Cone
Quad.Parameters(PPoint.Value(),U2,V2);
if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
PPoint.Parameters(themult,U1,V1);
Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
}
VecNormale = d1u.Crossed(d1v);
//-- Modif du 27 Septembre 94 (Recadrage des pts U,V)
ptdeb.SetValue(PPoint.Value(),TolArc,Standard_False);
ptdeb.SetParameters(U1,V1,U2,V2);
ptdeb.SetParameter(1.);
Recadre(reversed,typeS1,typeS2,ptdeb,iwline,1,U1,V1,U2,V2);
currentarc = solrst.Point(i).Arc();
currentparam = solrst.Point(i).Parameter();
currentarc->D1(currentparam,p2d,d2d);
tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
if(squaremagnitudeVecNormale > 1e-13) {
DirNormale=VecNormale;
IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
}
else {
TLine.SetValue(Standard_True,IntSurf_Undecided);
TArc.SetValue(Standard_True,IntSurf_Undecided);
}
ptdeb.SetArc(reversed,currentarc,currentparam,TLine,TArc);
if (!solrst.Point(i).IsNew()) {
ptdeb.SetVertex(reversed,solrst.Point(i).Vertex());
}
wline->AddVertex(ptdeb);
if (themult == 0) {
wline->SetFirstPoint(wline->NbVertex());
}
themult--;
}
}
}
else if (iwline->IsTangentAtBegining()) {
else if (iwline->IsTangentAtBegining())
{
gp_Pnt psol = thelin->Value(1).Value();
thelin->Value(1).ParametersOnS1(U1,V1);
thelin->Value(1).ParametersOnS2(U2,V2);
@@ -794,7 +840,8 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
wline->AddVertex(ptdeb);
wline->SetFirstPoint(wline->NbVertex());
}
else {
else
{
gp_Pnt psol = thelin->Value(1).Value();
thelin->Value(1).ParametersOnS1(U1,V1);
thelin->Value(1).ParametersOnS2(U2,V2);
@@ -807,71 +854,73 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
if ( iwline->HasLastPoint()
&& iwline->IsTangentAtEnd() == Standard_False) {
indlast = iwline->LastPointIndex();
PPoint = seqpdep(indlast);
tgline = PPoint.Direction3d().Reversed();
Standard_Integer themult = PPoint.Multiplicity();
for (i=NbPointRst; i >=1; i--) {
if (Destination(i) == indlast) {
if (!reversed) {
Quad.Parameters(PPoint.Value(),U1,V1);
&& iwline->IsTangentAtEnd() == Standard_False)
{
indlast = iwline->LastPointIndex();
PPoint = seqpdep(indlast);
tgline = PPoint.Direction3d().Reversed();
Standard_Integer themult = PPoint.Multiplicity();
for (i=NbPointRst; i >=1; i--) {
if (Destination(i) == indlast) {
if (!reversed) {
Quad.Parameters(PPoint.Value(),U1,V1);
if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
PPoint.Parameters(themult,U2,V2);
Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
VecNormale = d1u.Crossed(d1v); //-- @@@@
}
else {
Quad.Parameters(PPoint.Value(),U2,V2);
if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
PPoint.Parameters(themult,U1,V1);
Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
VecNormale = d1u.Crossed(d1v); //-- @@@@
}
ptfin.SetValue(PPoint.Value(),TolArc,Standard_False);
ptfin.SetParameters(U1,V1,U2,V2);
ptfin.SetParameter(Nbpts);
Recadre(reversed,typeS1,typeS2,ptfin,iwline,Nbpts-1,U1,V1,U2,V2);
currentarc = solrst.Point(i).Arc();
currentparam = solrst.Point(i).Parameter();
currentarc->D1(currentparam,p2d,d2d);
tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
if(squaremagnitudeVecNormale > 1e-13) {
DirNormale=VecNormale;
IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
}
else {
TLine.SetValue(Standard_True,IntSurf_Undecided);
TArc.SetValue(Standard_True,IntSurf_Undecided);
}
ptfin.SetArc(reversed,currentarc,currentparam,TLine,TArc);
if (!solrst.Point(i).IsNew()) {
ptfin.SetVertex(reversed,solrst.Point(i).Vertex());
}
wline->AddVertex(ptfin);
if (themult == 0) {
wline->SetLastPoint(wline->NbVertex());
}
themult--;
PPoint.Parameters(themult,U2,V2);
Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
VecNormale = d1u.Crossed(d1v); //-- @@@@
}
else {
Quad.Parameters(PPoint.Value(),U2,V2);
if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
PPoint.Parameters(themult,U1,V1);
Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
VecNormale = d1u.Crossed(d1v); //-- @@@@
}
ptfin.SetValue(PPoint.Value(),TolArc,Standard_False);
ptfin.SetParameters(U1,V1,U2,V2);
ptfin.SetParameter(Nbpts);
Recadre(reversed,typeS1,typeS2,ptfin,iwline,Nbpts-1,U1,V1,U2,V2);
currentarc = solrst.Point(i).Arc();
currentparam = solrst.Point(i).Parameter();
currentarc->D1(currentparam,p2d,d2d);
tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
if(squaremagnitudeVecNormale > 1e-13) {
DirNormale=VecNormale;
IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
}
else {
TLine.SetValue(Standard_True,IntSurf_Undecided);
TArc.SetValue(Standard_True,IntSurf_Undecided);
}
ptfin.SetArc(reversed,currentarc,currentparam,TLine,TArc);
if (!solrst.Point(i).IsNew()) {
ptfin.SetVertex(reversed,solrst.Point(i).Vertex());
}
wline->AddVertex(ptfin);
if (themult == 0) {
wline->SetLastPoint(wline->NbVertex());
}
themult--;
}
}
}
else if (iwline->IsTangentAtEnd()) {
else if (iwline->IsTangentAtEnd())
{
gp_Pnt psol = thelin->Value(Nbpts).Value();
thelin->Value(Nbpts).ParametersOnS1(U1,V1);
thelin->Value(Nbpts).ParametersOnS2(U2,V2);
@@ -881,7 +930,8 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
wline->AddVertex(ptfin);
wline->SetLastPoint(wline->NbVertex());
}
else {
else
{
gp_Pnt psol = thelin->Value(Nbpts).Value();
thelin->Value(Nbpts).ParametersOnS1(U1,V1);
thelin->Value(Nbpts).ParametersOnS2(U2,V2);
@@ -983,6 +1033,38 @@ void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Sur
if (NbSegm) {
for(i=1; i<=NbSegm; i++) {
thesegm = solrst.Segment(i);
//Check if segment is degenerated
if(thesegm.HasFirstPoint() && thesegm.HasLastPoint())
{
Standard_Real tol2 = Precision::Confusion();
tol2 *= tol2;
const gp_Pnt& aPf = thesegm.FirstPoint().Value();
const gp_Pnt& aPl = thesegm.LastPoint().Value();
if(aPf.SquareDistance(aPl) <= tol2)
{
//segment can be degenerated - check inner point
paramf = thesegm.FirstPoint().Parameter();
paraml = thesegm.LastPoint().Parameter();
gp_Pnt2d _p2d =
thesegm.Curve()->Value(.57735 * paramf + 0.42265 * paraml);
gp_Pnt aPm;
if(reversed)
{
Surf1->D0(_p2d.X(), _p2d.Y(), aPm);
}
else
{
Surf2->D0(_p2d.X(), _p2d.Y(), aPm);
}
if(aPm.SquareDistance(aPf) <= tol2)
{
//Degenerated
continue;
}
}
}
//----------------------------------------------------------------------
// on cree une ligne d intersection contenant uniquement le segment.
// VOIR POUR LA TRANSITION DE LA LIGNE