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occt/src/BRepTools/BRepTools_NurbsConvertModification.cxx
abv d5f74e42d6 0024624: Lost word in license statement in source files 
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
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// Created on: 1996-07-12
// Created by: Stagiaire Mary FABIEN
// Copyright (c) 1996-1999 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.
#include <BRepTools_NurbsConvertModification.ixx>
#include <BRepTools.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Geom_BSplineCurve.hxx>
#include <Geom_BezierSurface.hxx>
#include <Geom_BezierCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
#include <GeomConvert.hxx>
#include <Geom2dConvert.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Line.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Geom2dAdaptor_HCurve.hxx>
#include <Geom2dAdaptor_HCurve.hxx>
#include <GeomAdaptor_HCurve.hxx>
#include <GeomAdaptor_HSurface.hxx>
#include <BSplCLib.hxx>
#include <Approx_SameParameter.hxx>
#include <BRep_Tool.hxx>
#include <Extrema_LocateExtPC.hxx>
#include <OSD_Chronometer.hxx>
#include <gp_GTrsf2d.hxx>
#include <gp_TrsfForm.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TColStd_ListIteratorOfListOfTransient.hxx>
#include <ProjLib_ComputeApprox.hxx>
#include <ProjLib_ComputeApproxOnPolarSurface.hxx>
#include <ElSLib.hxx>
#include <BSplCLib.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Ellipse.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <BRep_TEdge.hxx>
#include <BRep_GCurve.hxx>
#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
static void GeomLib_ChangeUBounds(Handle(Geom_BSplineSurface)& aSurface,
const Standard_Real newU1,
const Standard_Real newU2)
{
TColStd_Array1OfReal knots(1,aSurface->NbUKnots()) ;
aSurface->UKnots(knots) ;
BSplCLib::Reparametrize(newU1,
newU2,
knots) ;
aSurface->SetUKnots(knots) ;
}
static void GeomLib_ChangeVBounds(Handle(Geom_BSplineSurface)& aSurface,
const Standard_Real newV1,
const Standard_Real newV2)
{
TColStd_Array1OfReal knots(1,aSurface->NbVKnots()) ;
aSurface->VKnots(knots) ;
BSplCLib::Reparametrize(newV1,
newV2,
knots) ;
aSurface->SetVKnots(knots) ;
}
//=======================================================================
//function : BRepTools_NurbsConvertModification
//purpose :
//=======================================================================
BRepTools_NurbsConvertModification::BRepTools_NurbsConvertModification()
{
}
//=======================================================================
//function : NewSurface
//purpose :
//=======================================================================
Standard_Boolean BRepTools_NurbsConvertModification::NewSurface
(const TopoDS_Face& F,
Handle(Geom_Surface)& S,
TopLoc_Location& L,
Standard_Real& Tol,
Standard_Boolean& RevWires,
Standard_Boolean& RevFace)
{
Standard_Real U1, U2, curvU1, curvU2, surfU1, surfU2, UTol;
Standard_Real V1, V2, curvV1, curvV2, surfV1, surfV2, VTol;
RevWires = Standard_False;
RevFace = Standard_False;
Handle(Geom_Surface) SS = BRep_Tool::Surface(F,L);
Handle(Standard_Type) TheTypeSS = SS->DynamicType();
if ((TheTypeSS == STANDARD_TYPE(Geom_BSplineSurface)) ||
(TheTypeSS == STANDARD_TYPE(Geom_BezierSurface))) {
return Standard_False;
}
S = SS;
BRepTools::UVBounds(F,curvU1,curvU2,curvV1,curvV2);
Tol = BRep_Tool::Tolerance(F);
Standard_Real TolPar = 0.1*Tol;
Standard_Boolean IsUp = S->IsUPeriodic(), IsVp = S->IsVPeriodic();
//OCC466(apo)->
U1 = curvU1; U2 = curvU2;
V1 = curvV1; V2 = curvV2;
SS->Bounds(surfU1,surfU2,surfV1,surfV2);
if (Abs(U1 - surfU1) <= TolPar)
U1 = surfU1;
if (Abs(U2 - surfU2) <= TolPar)
U2 = surfU2;
if (Abs(V1 - surfV1) <= TolPar)
V1 = surfV1;
if (Abs(V2 - surfV2) <= TolPar)
V2 = surfV2;
if(!IsUp){
U1 = Max(surfU1,curvU1);
U2 = Min(surfU2,curvU2);
}
if(!IsVp){
V1 = Max(surfV1,curvV1);
V2 = Min(surfV2,curvV2);
}
//<-OCC466(apo)
if (IsUp)
{
Standard_Real Up = S->UPeriod();
if (U2 - U1 > Up)
U2 = U1 + Up;
}
if (IsVp)
{
Standard_Real Vp = S->VPeriod();
if (V2 - V1 > Vp)
V2 = V1 + Vp;
}
/*
if(IsUp && IsVp) {
Standard_Real dU = Abs(U2 - U1), dV = Abs(V2 - V1);
Standard_Real Up = S->UPeriod(), Vp = S->VPeriod();
if(Abs(dU - Up) <= TolPar && U2 <= Up) {
if(Abs(dV - Vp) <= TolPar && V2 <= Vp) { }
else {
SS = new Geom_RectangularTrimmedSurface(S, V1+1e-9, V2-1e-9, Standard_False);
}
}
else {
if(Abs(dV - Vp) <= TolPar && V2 <= Vp)
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, Standard_True);
else
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, V1+1e-9, V2-1e-9);
}
}
if(IsUp && !IsVp) {
Standard_Real dU = Abs(U2 - U1);
Standard_Real Up = S->UPeriod();
if(Abs(dU - Up) <= TolPar && U2 <= Up)
SS = new Geom_RectangularTrimmedSurface(S, V1+1e-9, V2-1e-9, Standard_False);
else
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, V1+1e-9, V2-1e-9);
}
if(!IsUp && IsVp) {
Standard_Real dV = Abs(V2 - V1);
Standard_Real Vp = S->VPeriod();
if(Abs(dV - Vp) <= TolPar && V2 <= Vp)
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, Standard_True);
else
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, V1+1e-9, V2-1e-9);
}
if(!IsUp && !IsVp) {
SS = new Geom_RectangularTrimmedSurface(S, U1+1e-9, U2-1e-9, V1+1e-9, V2-1e-9);
}
*/
if (Abs(surfU1-U1) > Tol || Abs(surfU2-U2) > Tol ||
Abs(surfV1-V1) > Tol || Abs(surfV2-V2) > Tol)
SS = new Geom_RectangularTrimmedSurface(S, U1, U2, V1, V2);
SS->Bounds(surfU1,surfU2,surfV1,surfV2);
S = GeomConvert::SurfaceToBSplineSurface(SS);
Handle(Geom_BSplineSurface) BS = Handle(Geom_BSplineSurface)::DownCast(S) ;
BS->Resolution(Tol, UTol, VTol) ;
//
// on recadre les bornes de S sinon les anciennes PCurves sont aux fraises
//
if (Abs(curvU1-surfU1) > UTol && !BS->IsUPeriodic()) {
GeomLib_ChangeUBounds(BS, U1,U2) ;
}
if (Abs(curvV1-surfV1) > VTol && !BS->IsVPeriodic()) {
GeomLib_ChangeVBounds(BS, V1, V2) ;
}
return Standard_True;
}
static Standard_Boolean IsConvert(const TopoDS_Edge& E)
{
Standard_Boolean isConvert = Standard_False;
Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
// iterate on pcurves
BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves());
for ( ; itcr.More() && !isConvert; itcr.Next() ) {
Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
if ( GC.IsNull() || ! GC->IsCurveOnSurface() ) continue;
Handle(Geom_Surface) aSurface = GC->Surface();
Handle(Geom2d_Curve) aCurve2d = GC->PCurve();
isConvert =((!aSurface->IsKind(STANDARD_TYPE(Geom_BSplineSurface)) &&
!aSurface->IsKind(STANDARD_TYPE(Geom_BezierSurface))) ||
(!aCurve2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) &&
!aCurve2d->IsKind(STANDARD_TYPE(Geom2d_BezierCurve))));
}
return isConvert;
}
//=======================================================================
//function : NewCurve
//purpose :
//=======================================================================
Standard_Boolean BRepTools_NurbsConvertModification::NewCurve
(const TopoDS_Edge& E,
Handle(Geom_Curve)& C,
TopLoc_Location& L,
Standard_Real& Tol)
{
Tol = BRep_Tool::Tolerance(E);
if(BRep_Tool::Degenerated(E)) {
C.Nullify();
L.Identity();
return Standard_True;
}
Standard_Real f, l;
Handle(Geom_Curve) Caux = BRep_Tool::Curve(E, L, f, l);
if ( Caux.IsNull()) {
L.Identity();
return Standard_False;
}
Handle(Standard_Type) TheType = Caux->DynamicType();
if ((TheType == STANDARD_TYPE(Geom_BSplineCurve)) ||
(TheType == STANDARD_TYPE(Geom_BezierCurve))) {
if(IsConvert(E)) {
C = Handle(Geom_Curve)::DownCast(Caux->Copy());
return Standard_True;
}
return Standard_False;
}
C = Caux;
Standard_Real TolPar = Tol *.1;
if(C->IsPeriodic()) {
Standard_Real p = C->Period();
Standard_Real d = Abs(l - f);
if(Abs(d - p) <= TolPar && l <= p) {}
else
C = new Geom_TrimmedCurve(C, f, l);
}
else
C = new Geom_TrimmedCurve(C, f, l);
//modif WOK++ portage hp (fbi du 14/03/97)
// gp_Trsf trsf(L);
// gp_Trsf trsf = L.Transformation();
// C = GeomConvert::CurveToBSplineCurve(C,Convert_QuasiAngular);
C = GeomConvert::CurveToBSplineCurve(C);
Standard_Real fnew = C->FirstParameter(), lnew = C->LastParameter(), UTol;
Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C) ;
if(!BC->IsPeriodic()) {
BC->Resolution(Tol, UTol) ;
if(Abs(f - fnew) > UTol || Abs(l - lnew) > UTol) {
TColStd_Array1OfReal knots(1,BC->NbKnots()) ;
BC->Knots(knots) ;
BSplCLib::Reparametrize(f, l, knots) ;
BC->SetKnots(knots) ;
}
}
if(!myMap.Contains(Caux)) {
myMap.Add(Caux,C);
}
return Standard_True ;
}
//=======================================================================
//function : NewPoint
//purpose :
//=======================================================================
Standard_Boolean BRepTools_NurbsConvertModification::NewPoint
(const TopoDS_Vertex&, gp_Pnt&, Standard_Real& )
{
return Standard_False;
}
//=======================================================================
//function : NewCurve2d
//purpose :
//=======================================================================
Standard_Boolean BRepTools_NurbsConvertModification::NewCurve2d
(const TopoDS_Edge& E,
const TopoDS_Face& F,
const TopoDS_Edge& newE,
const TopoDS_Face& newF,
Handle(Geom2d_Curve)& Curve2d,
Standard_Real& Tol)
{
Tol = BRep_Tool::Tolerance(E);
Standard_Real f2d,l2d;
Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E,F,f2d,l2d);
Standard_Real f3d,l3d;
TopLoc_Location Loc;
Handle(Geom_Curve) C3d = BRep_Tool::Curve(E, Loc, f3d,l3d);
Standard_Boolean isConvert2d = ((!C3d.IsNull() && !C3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) &&
!C3d->IsKind(STANDARD_TYPE(Geom_BezierCurve))) ||
IsConvert(E));
if(BRep_Tool::Degenerated(E)) {
//Curve2d = C2d;
if(!C2d->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve)))
{
Handle(Geom2d_TrimmedCurve) aTrimC = new Geom2d_TrimmedCurve(C2d,f2d,l2d);
C2d = aTrimC;
}
Curve2d = Geom2dConvert::CurveToBSplineCurve(C2d);
return Standard_True;
}
if(!BRepTools::IsReallyClosed(E,F)) {
Handle(Standard_Type) TheTypeC2d = C2d->DynamicType();
if(TheTypeC2d == STANDARD_TYPE(Geom2d_TrimmedCurve)) {
Handle(Geom2d_TrimmedCurve) TC = Handle(Geom2d_TrimmedCurve)::DownCast(C2d);
C2d = TC->BasisCurve();
}
Standard_Real fc = C2d->FirstParameter(), lc = C2d->LastParameter();
if(!C2d->IsPeriodic()) {
if(fc - f2d > Precision::PConfusion()) f2d = fc;
if(l2d - lc > Precision::PConfusion()) l2d = lc;
}
C2d = new Geom2d_TrimmedCurve(C2d, f2d, l2d);
Geom2dAdaptor_Curve G2dAC(C2d, f2d, l2d);
Handle(Geom2dAdaptor_HCurve) G2dAHC = new Geom2dAdaptor_HCurve(G2dAC);
TopLoc_Location Loc;
Handle(Geom_Curve) C3d = BRep_Tool::Curve(E, Loc, f3d,l3d);
if(!newE.IsNull()) {
C3d = BRep_Tool::Curve(newE, f3d, l3d);
}
else {
C3d = BRep_Tool::Curve(E,f3d,l3d);
}
GeomAdaptor_Curve G3dAC(C3d, f3d, l3d);
Handle(GeomAdaptor_HCurve) G3dAHC = new GeomAdaptor_HCurve(G3dAC);
Standard_Real Uinf, Usup, Vinf, Vsup, u = 0, v = 0;
Handle(Geom_Surface) S = BRep_Tool::Surface(F);
Handle(Standard_Type) myT = S->DynamicType();
if(myT != STANDARD_TYPE(Geom_Plane)) {
if(newF.IsNull()) {
Handle(Standard_Type) st = C2d->DynamicType();
if ((st == STANDARD_TYPE(Geom2d_BSplineCurve)) ||
(st == STANDARD_TYPE(Geom2d_BezierCurve))) {
if(isConvert2d) {
Curve2d = Handle(Geom2d_Curve)::DownCast(C2d->Copy());
return Standard_True;
}
return Standard_False;
}
}
else {
S = BRep_Tool::Surface(newF);
}
S->Bounds(Uinf, Usup, Vinf, Vsup);
//Uinf -= 1e-9; Usup += 1e-9; Vinf -= 1e-9; Vsup += 1e-9;
u = (Usup - Uinf)*0.1;
v = (Vsup - Vinf)*0.1;
if(S->IsUPeriodic()) {
Standard_Real uperiod = S->UPeriod();
if(uperiod < (Usup+2*u-Uinf)) {
if(uperiod <= (Usup-Uinf)) {
u = 0;
}
else {
u = (uperiod-(Usup-Uinf))*0.5;
}
}
}
if(S->IsVPeriodic()) {
Standard_Real vperiod = S->VPeriod();
if(vperiod < (Vsup+2*v-Vinf)) {
if(vperiod <= (Vsup-Vinf)) {
v = 0;
}
else {
v = (vperiod-(Vsup-Vinf))*0.5;
}
}
}
}
else {
S = BRep_Tool::Surface(F);// Si S est un plan, pas de changement de parametrisation
GeomAdaptor_Surface GAS(S);
Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(GAS);
ProjLib_ComputeApprox ProjOnCurve(G3dAHC,GAHS,Tol);
if(ProjOnCurve.BSpline().IsNull()) {
Curve2d = Geom2dConvert::CurveToBSplineCurve(ProjOnCurve.Bezier());
return Standard_True;
}
Curve2d = ProjOnCurve.BSpline();
return Standard_True;
}
GeomAdaptor_Surface GAS(S,Uinf-u,Usup+u,Vinf-v,Vsup+v);
Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(GAS);
ProjLib_ComputeApproxOnPolarSurface ProjOnCurve(G2dAHC,G3dAHC,GAHS,Tol);
if(ProjOnCurve.IsDone()) {
Curve2d = ProjOnCurve.BSpline();
return Standard_True;
}
else {
Curve2d = Geom2dConvert::CurveToBSplineCurve(C2d);
return Standard_True;
}
}
else {
TopTools_ListIteratorOfListOfShape itled;
TColStd_ListIteratorOfListOfTransient itlcu;
for (itled.Initialize(myled), itlcu.Initialize(mylcu);
itled.More(); // itlcu.More()
itled.Next(),itlcu.Next()) {
if (itled.Value().IsSame(E)) {
// deja traitee
break;
}
}
if (!itled.More()) { // on stocke l`edge et la curve2d
Handle(Geom2d_Curve) C2dBis;
Standard_Real f3d,l3d,f2dBis,l2dBis;
C2d = new Geom2d_TrimmedCurve(C2d, f2d, l2d);
Geom2dAdaptor_Curve G2dAC(C2d, f2d, l2d);
Handle(Geom2dAdaptor_HCurve) G2dAHC = new Geom2dAdaptor_HCurve(G2dAC);
TopoDS_Edge ERevers = E;
ERevers.Reverse();
C2dBis = BRep_Tool::CurveOnSurface(ERevers,F,f2dBis,l2dBis);
Handle(Standard_Type) TheTypeC2dBis = C2dBis->DynamicType();
C2dBis = new Geom2d_TrimmedCurve(C2dBis,f2dBis, l2dBis);
Geom2dAdaptor_Curve G2dACBis(C2dBis, f2dBis, l2dBis);
Handle(Geom2dAdaptor_HCurve) G2dAHCBis = new Geom2dAdaptor_HCurve(G2dACBis);
TopLoc_Location Loc;
Handle(Geom_Curve) C3d = BRep_Tool::Curve(E, f3d,l3d);
if(C3d.IsNull()) {
if(isConvert2d) {
Curve2d = Handle(Geom2d_Curve)::DownCast(C2d->Copy());
return Standard_True;
}
return Standard_False;
}
if(!newE.IsNull()) {
C3d = BRep_Tool::Curve(newE, f3d,l3d);
}
GeomAdaptor_Curve G3dAC(C3d, f3d, l3d);
Handle(GeomAdaptor_HCurve) G3dAHC = new GeomAdaptor_HCurve(G3dAC);
Handle(Geom_Surface) S = BRep_Tool::Surface(F);
Handle(Standard_Type) myT = S->DynamicType();
if(newF.IsNull()) {
mylcu.Append(C2dBis);
Handle(Standard_Type) st = C2d->DynamicType();
if ((st == STANDARD_TYPE(Geom2d_BSplineCurve)) ||
(st == STANDARD_TYPE(Geom2d_BezierCurve))) {
if(isConvert2d) {
Curve2d = Handle(Geom2d_Curve)::DownCast(C2d->Copy());
return Standard_True;
}
return Standard_False;
}
}
else {
S = BRep_Tool::Surface(newF);// S est une BSplineSurface : pas besoin de la trimmed
}
Standard_Real Uinf, Usup, Vinf, Vsup, u = 0, v = 0;
S->Bounds(Uinf, Usup, Vinf, Vsup);
//Uinf -= 1e-9; Usup += 1e-9; Vinf -= 1e-9; Vsup += 1e-9;
u = (Usup - Uinf)*0.1;
v = (Vsup - Vinf)*0.1;
if(S->IsUPeriodic()) {
Standard_Real uperiod = S->UPeriod();
if(uperiod < (Usup+2*u-Uinf)) {
if(uperiod <= (Usup-Uinf))
u = 0;
else
u = (uperiod-(Usup-Uinf))*0.5;
}
}
if(S->IsVPeriodic()) {
Standard_Real vperiod = S->VPeriod();
if(vperiod < (Vsup+2*v-Vinf)) {
if(vperiod <= (Vsup-Vinf))
v = 0;
else
v = (vperiod-(Vsup-Vinf))*0.5;
}
}
GeomAdaptor_Surface GAS(S, Uinf-u,Usup+u,Vinf-v,Vsup+v);
Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(GAS);
myled.Append(E);
ProjLib_ComputeApproxOnPolarSurface
ProjOnCurve(G2dAHC,G2dAHCBis,G3dAHC,GAHS,Tol);
if(ProjOnCurve.IsDone()) {
Curve2d = ProjOnCurve.BSpline();
mylcu.Append(ProjOnCurve.Curve2d());
return Standard_True;
}
else {
Curve2d = Geom2dConvert::CurveToBSplineCurve(C2d);
mylcu.Append(C2dBis);
return Standard_True;
}
}
else { // on est au 2ieme tour
C2d = Handle(Geom2d_Curve)::DownCast(itlcu.Value());
Handle(Standard_Type) st = C2d->DynamicType();
if (!(st == STANDARD_TYPE(Geom2d_BSplineCurve)) &&
!(st == STANDARD_TYPE(Geom2d_BezierCurve))) {
return Standard_False;
}
Curve2d = Geom2dConvert::CurveToBSplineCurve(C2d);
return Standard_True;
}
}
}
//=======================================================================
//function : NewParameter
//purpose :
//=======================================================================
Standard_Boolean BRepTools_NurbsConvertModification::NewParameter
(const TopoDS_Vertex& V,
const TopoDS_Edge& E,
Standard_Real& P,
Standard_Real& Tol)
{
if(BRep_Tool::Degenerated(E))
return Standard_False;
Standard_Real f, l, param = BRep_Tool::Parameter(V,E);
TopLoc_Location L;
Handle(Geom_Curve) gc = BRep_Tool::Curve(E, L, f, l);
if(!myMap.Contains(gc))
return Standard_False;
Handle(Geom_BSplineCurve) gcc =
Handle(Geom_BSplineCurve)::DownCast(myMap.FindFromKey(gc));
gcc = Handle(Geom_BSplineCurve)::DownCast(gcc->Transformed(L.Transformation()));
GeomAdaptor_Curve ac(gcc);
gp_Pnt pnt = BRep_Tool::Pnt(V);
Extrema_LocateExtPC proj(pnt, ac, param, f, l, Tol);
if(proj.IsDone()) {
Standard_Real Dist2Min = proj.SquareDistance();
if (Dist2Min < Tol*Tol) {
P = proj.Point().Parameter();
return Standard_True;
}
}
return Standard_False;
}
//=======================================================================
//function : Continuity
//purpose :
//=======================================================================
GeomAbs_Shape BRepTools_NurbsConvertModification::Continuity
(const TopoDS_Edge& E,
const TopoDS_Face& F1,
const TopoDS_Face& F2,
const TopoDS_Edge&,
const TopoDS_Face&,
const TopoDS_Face&)
{
return BRep_Tool::Continuity(E,F1,F2);
}
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