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0031890: Modeling Algorithms - Invalid result of common fuse BOP. Intersection has failed.

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Modify the method BOPTools_AlgoTools3D::DoSplitSEAMOnFace: correct processing closed non-periodic surfaces.
This commit is contained in:
jgv
2021-06-06 05:39:55 +03:00
committed by bugmaster
parent d5c71e2057
commit d1b591e580
3 changed files with 117 additions and 43 deletions
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93
src/BOPTools/BOPTools_AlgoTools3D.cxx
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@@ -77,7 +77,8 @@ Standard_Boolean BOPTools_AlgoTools3D::DoSplitSEAMOnFace (const TopoDS_Edge& aSp
const TopoDS_Face& aF)
{
Standard_Boolean bIsUPeriodic, bIsVPeriodic, bIsLeft;
Standard_Real aTol, a, b, anUPeriod, anVPeriod, aT, anU, dU, anU1;
Standard_Real anUPeriod = 0., anVPeriod = 0.;
Standard_Real aTol, a, b, aT, anU, dU, anU1;
Standard_Real aScPr, anV, dV, anV1;
Standard_Real aUmin, aUmax, aVmin, aVmax;
gp_Pnt2d aP2D;
@@ -98,58 +99,64 @@ Standard_Boolean BOPTools_AlgoTools3D::DoSplitSEAMOnFace (const TopoDS_Edge& aSp
//
aS->Bounds(aUmin, aUmax, aVmin, aVmax);
//
bIsUPeriodic=aS->IsUPeriodic();
bIsVPeriodic=aS->IsVPeriodic();
//
anUPeriod = bIsUPeriodic ? aS->UPeriod() : 0.;
anVPeriod = bIsVPeriodic ? aS->VPeriod() : 0.;
bIsUPeriodic = aS->IsUClosed();
bIsVPeriodic = aS->IsVClosed();
if (bIsUPeriodic)
anUPeriod = aUmax - aUmin;
if (bIsVPeriodic)
anVPeriod = aVmax - aVmin;
//
if (!bIsUPeriodic && !bIsVPeriodic) {
Standard_Boolean bIsUClosed, bIsVClosed;
Handle(Geom_BSplineSurface) aBS;
Handle(Geom_BezierSurface) aBZ;
Handle(Geom_RectangularTrimmedSurface) aRTS;
aRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(aS);
//
bIsUClosed=Standard_False;
bIsVClosed=Standard_False;
aBS=Handle(Geom_BSplineSurface)::DownCast(aS);
aBZ=Handle(Geom_BezierSurface) ::DownCast(aS);
aRTS=Handle(Geom_RectangularTrimmedSurface)::DownCast(aS);
//
if (!aBS.IsNull()) {
bIsUClosed=aBS->IsUClosed();
bIsVClosed=aBS->IsVClosed();
}
else if (!aBZ.IsNull()) {
bIsUClosed=aBZ->IsUClosed();
bIsVClosed=aBZ->IsVClosed();
}
else if (!aRTS.IsNull()) {
if (aRTS.IsNull())
return Standard_False;
else {
Handle(Geom_Surface) aSB;
//
aSB=aRTS->BasisSurface();
bIsUPeriodic=aSB->IsUPeriodic();
bIsVPeriodic=aSB->IsVPeriodic();
aSB = aRTS->BasisSurface();
bIsUPeriodic = aSB->IsUPeriodic();
bIsVPeriodic = aSB->IsVPeriodic();
//
if (bIsUPeriodic || bIsVPeriodic)
{
anUPeriod = bIsUPeriodic ? aSB->UPeriod() : 0.;
anVPeriod = bIsVPeriodic ? aSB->VPeriod() : 0.;
}
else
{
Standard_Boolean bIsUClosed = aSB->IsUClosed();
Standard_Boolean bIsVClosed = aSB->IsVClosed();
Standard_Real aGlobalUmin, aGlobalUmax, aGlobalVmin, aGlobalVmax;
aSB->Bounds(aGlobalUmin, aGlobalUmax, aGlobalVmin, aGlobalVmax);
if (bIsUClosed &&
Abs(aUmin - aGlobalUmin) < aTol &&
Abs(aUmax - aGlobalUmax) < aTol)
{
bIsUPeriodic = Standard_True;
anUPeriod = aUmax - aUmin;
}
if (bIsVClosed &&
Abs(aVmin - aGlobalVmin) < aTol &&
Abs(aVmax - aGlobalVmax) < aTol)
{
bIsVPeriodic = Standard_True;
anVPeriod = aVmax - aVmin;
}
}
if (!(bIsUPeriodic || bIsVPeriodic)) {
return Standard_False;
}
anUPeriod = bIsUPeriodic ? aSB->UPeriod() : 0.;
anVPeriod = bIsVPeriodic ? aSB->VPeriod() : 0.;
}
//
if (aRTS.IsNull()) {
if (!bIsUClosed && !bIsVClosed) {
return Standard_False;
}
//
if (bIsUClosed) {
anUPeriod=aUmax-aUmin;
}
if (bIsVClosed) {
anVPeriod=aVmax-aVmin;
}
}
} //if !RTS.IsNull
}
//
//---------------------------------------------------