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occt/src/ShapeUpgrade/ShapeUpgrade_ConvertSurfaceToBezierBasis.cxx
abv 92efcf78a6 0026936: Drawbacks of inlining in new type system in OCCT 7.0 -- automatic 
Automatic restore of IMPLEMENT_STANDARD_RTTIEXT macro (upgrade -rtti)
2015-12-04 14:15:06 +03:00

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// Created on: 1999-05-21
// Created by: Pavel DURANDIN
// Copyright (c) 1999-1999 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.
// svv 10.01.00 porting on DEC
#include <Geom_BezierCurve.hxx>
#include <Geom_BezierSurface.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_OffsetCurve.hxx>
#include <Geom_OffsetSurface.hxx>
#include <Geom_Plane.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_SurfaceOfLinearExtrusion.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomConvert_BSplineSurfaceToBezierSurface.hxx>
#include <Precision.hxx>
#include <ShapeExtend.hxx>
#include <ShapeExtend_CompositeSurface.hxx>
#include <ShapeUpgrade_ConvertCurve3dToBezier.hxx>
#include <ShapeUpgrade_ConvertSurfaceToBezierBasis.hxx>
#include <Standard_Type.hxx>
#include <TColGeom_Array2OfBezierSurface.hxx>
#include <TColGeom_HArray1OfCurve.hxx>
#include <TColGeom_HArray2OfSurface.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColgp_Array2OfPnt.hxx>
#include <TColStd_Array1OfBoolean.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_HArray1OfReal.hxx>
#include <TColStd_HSequenceOfReal.hxx>
IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_ConvertSurfaceToBezierBasis,ShapeUpgrade_SplitSurface)
ShapeUpgrade_ConvertSurfaceToBezierBasis::ShapeUpgrade_ConvertSurfaceToBezierBasis()
{
myPlaneMode = Standard_True;
myRevolutionMode = Standard_True;
myExtrusionMode = Standard_True;
myBSplineMode = Standard_True;
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void ShapeUpgrade_ConvertSurfaceToBezierBasis::Compute(const Standard_Boolean Segment)
{
if(!Segment) {
Standard_Real UF,UL,VF,VL;
mySurface->Bounds(UF,UL,VF,VL);
if(!Precision::IsInfinite(UF)) myUSplitValues->SetValue(1,UF);
if(!Precision::IsInfinite(UL)) myUSplitValues->SetValue(myUSplitValues->Length(),UL);
if(!Precision::IsInfinite(VF)) myVSplitValues->SetValue(1,VF);
if(!Precision::IsInfinite(VL)) myVSplitValues->SetValue(myVSplitValues->Length(),VL);
}
Standard_Real UFirst = myUSplitValues->Value(1);
Standard_Real ULast = myUSplitValues->Value(myUSplitValues->Length());
Standard_Real VFirst = myVSplitValues->Value(1);
Standard_Real VLast = myVSplitValues->Value(myVSplitValues->Length());
Standard_Real precision = Precision::PConfusion();
if (mySurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
Handle(Geom_RectangularTrimmedSurface) Surface = Handle(Geom_RectangularTrimmedSurface)::DownCast(mySurface);
Handle(Geom_Surface) BasSurf = Surface->BasisSurface();
ShapeUpgrade_ConvertSurfaceToBezierBasis converter;
converter.Init(BasSurf,UFirst,ULast,VFirst,VLast);
converter.SetUSplitValues(myUSplitValues);
converter.SetVSplitValues(myVSplitValues);
converter.Compute(Standard_True);
myUSplitValues->ChangeSequence() = converter.USplitValues()->Sequence();
myVSplitValues->ChangeSequence() = converter.VSplitValues()->Sequence();
myStatus |= converter.myStatus;
mySegments = converter.Segments();
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
Handle(Geom_OffsetSurface) Offset = Handle(Geom_OffsetSurface)::DownCast(mySurface);
Handle(Geom_Surface) BasSurf = Offset->BasisSurface();
ShapeUpgrade_ConvertSurfaceToBezierBasis converter;
converter.Init(BasSurf,UFirst,ULast,VFirst,VLast);
converter.SetUSplitValues(myUSplitValues);
converter.SetVSplitValues(myVSplitValues);
converter.Compute(Standard_True);
myUSplitValues->ChangeSequence() = converter.USplitValues()->Sequence();
myVSplitValues->ChangeSequence() = converter.VSplitValues()->Sequence();
myStatus |= converter.myStatus;
mySegments = converter.Segments();
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_Plane))&&myPlaneMode) {
Handle(Geom_Plane) pln = Handle(Geom_Plane)::DownCast(mySurface);
TColgp_Array2OfPnt poles(1,2,1,2);
gp_Pnt dp;
poles(1,1) = dp = pln->Value(UFirst,VFirst); poles(1,2) = dp = pln->Value(UFirst,VLast);
poles(2,1) = dp = pln->Value(ULast,VFirst); poles(2,2) = dp = pln->Value(ULast,VLast);
Handle(Geom_BezierSurface) bezier = new Geom_BezierSurface(poles);
TColStd_Array1OfReal UJoints(1,2);
UJoints(1) = UFirst; UJoints(2) = ULast;
TColStd_Array1OfReal VJoints(1,2);
VJoints(1) = VFirst; VJoints(2) = VLast;
Handle(TColGeom_HArray2OfSurface) surf = new TColGeom_HArray2OfSurface(1,1,1,1);
surf->SetValue(1,1,bezier);
mySegments = new ShapeExtend_CompositeSurface(surf,UJoints,VJoints);
myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_BezierSurface))) {
Handle(Geom_BezierSurface) bezier = Handle(Geom_BezierSurface)::DownCast(mySurface);
Handle(TColGeom_HArray2OfSurface) surf = new TColGeom_HArray2OfSurface(1,1,1,1);
TColStd_Array1OfReal UJoints(1,2);
UJoints(1) = UFirst; UJoints(2) = ULast;
TColStd_Array1OfReal VJoints(1,2);
VJoints(1) = VFirst; VJoints(2) = VLast;
if(UFirst < precision && ULast > 1 - precision &&
VFirst < precision && VLast > 1 - precision) {
surf->SetValue(1,1,bezier);
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
} else {
Handle(Geom_BezierSurface) besNew = Handle(Geom_BezierSurface)::DownCast(bezier->Copy());
//pdn K4L+ (work around)
// Standard_Real u1 = 2*UFirst - 1;
// Standard_Real u2 = 2*ULast - 1;
// Standard_Real v1 = 2*VFirst - 1;
// Standard_Real v2 = 2*VLast - 1;
//rln C30 (direct use)
Standard_Real u1 = UFirst;
Standard_Real u2 = ULast;
Standard_Real v1 = VFirst;
Standard_Real v2 = VLast;
besNew->Segment(u1,u2,v1,v2);
surf->SetValue(1,1,besNew);
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
}
mySegments = new ShapeExtend_CompositeSurface(surf,UJoints,VJoints);
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_BSplineSurface))&&myBSplineMode) {
Handle(Geom_BSplineSurface) bspline = Handle(Geom_BSplineSurface)::DownCast(mySurface);
//pdn
Standard_Real u1,u2,v1,v2;
bspline->Bounds(u1,u2,v1,v2);
GeomConvert_BSplineSurfaceToBezierSurface converter(bspline);//,UFirst,ULast,VFirst,VLast,precision;
Standard_Integer nbUPatches = converter.NbUPatches();
Standard_Integer nbVPatches = converter.NbVPatches();
TColStd_Array1OfReal UJoints(1, nbUPatches+1);
TColStd_Array1OfBoolean UReject(1, nbUPatches+1);
UReject.Init(Standard_False);
TColStd_Array1OfReal VJoints(1, nbVPatches+1);
TColStd_Array1OfBoolean VReject(1, nbVPatches+1);
VReject.Init(Standard_False);
Standard_Integer NbUFiltered = 0;
Standard_Integer NbVFiltered = 0;
converter.UKnots(UJoints);
TColStd_SequenceOfReal UFilteredJoints;
UFilteredJoints.Append(UJoints(1));
Standard_Integer i;
for(i = 2; i <= nbUPatches+1; i++)
if(UJoints(i)-UJoints(i-1) < precision) {
NbUFiltered++;
UReject(i-1) = Standard_True;
}
else
UFilteredJoints.Append(UJoints(i));
converter.VKnots(VJoints);
TColStd_SequenceOfReal VFilteredJoints;
VFilteredJoints.Append(VJoints(1));
for( i = 2; i <= nbVPatches+1; i++)
if(VJoints(i)-VJoints(i-1) < precision) {
NbVFiltered++;
VReject(i-1) = Standard_True;
}
else
VFilteredJoints.Append(VJoints(i));
#ifdef OCCT_DEBUG
if(NbVFiltered || NbUFiltered)
cout<<"Warning: ShapeUpgrade_ConvertSurfaceToBezierBasis: thin patches dropped."<<endl;
#endif
TColGeom_Array2OfBezierSurface Surfaces(1, nbUPatches, 1, nbVPatches);
converter.Patches(Surfaces);
Handle(TColGeom_HArray2OfSurface) srf =
new TColGeom_HArray2OfSurface(1,nbUPatches-NbUFiltered,1,nbVPatches-NbVFiltered);
Standard_Integer indApp1 = 0;
for(Standard_Integer ind1 = 1; ind1 <= nbUPatches; ind1++) {
if(UReject(ind1)) continue;
indApp1++;
Standard_Integer indApp2 = 0;
for(Standard_Integer ind2 = 1; ind2 <= nbVPatches; ind2++) {
if(VReject(ind2)) continue;
indApp2++;
srf->SetValue(indApp1,indApp2,Surfaces(ind1,ind2));
}
}
TColStd_Array1OfReal uj (1,UFilteredJoints.Length());
for(i = 1; i <=UFilteredJoints.Length(); i++)
uj(i) = UFilteredJoints.Value(i);
TColStd_Array1OfReal vj (1,VFilteredJoints.Length());
for(i = 1; i <=VFilteredJoints.Length(); i++)
vj(i) = VFilteredJoints.Value(i);
mySegments = new ShapeExtend_CompositeSurface(srf,uj,vj);
Standard_Integer j; // svv #1
for(j = 2; j <= myUSplitValues->Length(); j++) {
ULast = myUSplitValues->Value(j);
for(Standard_Integer ii = 2; ii <= nbUPatches+1; ii++) {
Standard_Real valknot = UJoints(ii);
if(valknot-UFirst <= precision) continue;
if(ULast -valknot <= precision) break;
myUSplitValues->InsertBefore(j++,valknot);
}
UFirst = ULast;
}
for(j = 2; j <= myVSplitValues->Length(); j++) {
VLast = myVSplitValues->Value(j);
for(Standard_Integer ii = 2; ii <= nbVPatches+1; ii++) {
Standard_Real valknot = VJoints(ii);
if(valknot-VFirst <= precision) continue;
if(VLast -valknot <= precision) break;
myVSplitValues->InsertBefore(j++,valknot);
}
VFirst = VLast;
}
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))&&myRevolutionMode) {
Handle(Geom_SurfaceOfRevolution) revol = Handle(Geom_SurfaceOfRevolution)::DownCast(mySurface);
Handle(Geom_Curve) basis = revol->BasisCurve();
if(basis->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) tc = Handle(Geom_TrimmedCurve)::DownCast(basis);
basis = tc->BasisCurve();
}
Handle(TColGeom_HArray1OfCurve) curves;
Standard_Integer nbCurves;
Handle(TColStd_HSequenceOfReal) vPar = new TColStd_HSequenceOfReal;
Handle(TColStd_HSequenceOfReal) vSVal= new TColStd_HSequenceOfReal;
if(basis->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) {
Handle(Geom_OffsetCurve) offset = Handle(Geom_OffsetCurve)::DownCast(basis);
Standard_Real value = offset->Offset();
gp_Dir direction = offset->Direction();
Handle(Geom_Curve) bas = offset->BasisCurve();
ShapeUpgrade_ConvertCurve3dToBezier converter;
converter.Init(bas,VFirst,VLast);
converter.Perform(Standard_True);
if(converter.Status(ShapeExtend_DONE))
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
else
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
vPar->ChangeSequence() = converter.SplitParams()->Sequence();
vSVal->ChangeSequence()= converter.SplitValues()->Sequence();
curves = converter.GetCurves();
nbCurves = curves->Length();
for(Standard_Integer i = 1; i <= nbCurves; i++) {
Handle(Geom_OffsetCurve) offCur = new Geom_OffsetCurve(curves->Value(i),value,direction);
curves->SetValue(i,offCur);
}
} else {
ShapeUpgrade_ConvertCurve3dToBezier converter;
converter.Init(basis,VFirst,VLast);
converter.Perform(Standard_True);
if(converter.Status(ShapeExtend_DONE))
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
else
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
vPar->ChangeSequence() = converter.SplitParams()->Sequence();
vSVal->ChangeSequence()= converter.SplitValues()->Sequence();
curves = converter.GetCurves();
nbCurves = curves->Length();
}
gp_Ax1 axis = revol->Axis();
Handle(TColGeom_HArray2OfSurface) surf = new TColGeom_HArray2OfSurface(1,1,1,nbCurves);
Standard_Real Umin,Umax,Vmin,Vmax;
mySurface->Bounds(Umin,Umax,Vmin,Vmax);
Standard_Integer i; // svv #1
for(i = 1; i <= nbCurves; i++) {
Handle(Geom_SurfaceOfRevolution) rev = new Geom_SurfaceOfRevolution(curves->Value(i),axis);
if( UFirst-Umin < Precision::PConfusion() &&
Umax-ULast < Precision::PConfusion() )
surf->SetValue(1,i,rev);
else {
Handle(Geom_RectangularTrimmedSurface) rect = new Geom_RectangularTrimmedSurface(rev,UFirst,ULast,Standard_True);
surf->SetValue(1,i,rect);
}
}
TColStd_Array1OfReal UJoints(1, 2);
TColStd_Array1OfReal VJoints(1, nbCurves+1);
UJoints(1) = UFirst; UJoints(2) = ULast;
for(i = 1 ; i <= nbCurves+1; i++)
VJoints(i) = vPar->Value(i);
mySegments = new ShapeExtend_CompositeSurface(surf,UJoints,VJoints);
for(Standard_Integer j = 2; j <= myVSplitValues->Length(); j++) {
VLast = myVSplitValues->Value(j);
for(Standard_Integer ii = 2; ii <= nbCurves+1; ii++) {
Standard_Real valknot = vSVal->Value(ii);
if(valknot-VFirst <= precision) continue;
if(VLast -valknot <= precision) break;
myVSplitValues->InsertBefore(j++,valknot);
}
VFirst = VLast;
}
return;
} else if(mySurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))&&myExtrusionMode) {
Handle(Geom_SurfaceOfLinearExtrusion) extr = Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(mySurface);
Handle(Geom_Curve) basis = extr->BasisCurve();
//gp_Dir direction = extr->Direction(); // direction not used (skl)
Handle(TColGeom_HArray1OfCurve) curves;
Standard_Integer nbCurves;
Handle(TColStd_HSequenceOfReal) uPar = new TColStd_HSequenceOfReal;
Handle(TColStd_HSequenceOfReal) uSVal= new TColStd_HSequenceOfReal;
ShapeUpgrade_ConvertCurve3dToBezier converter;
converter.Init(basis,UFirst,ULast);
converter.Perform(Standard_True);
uPar->ChangeSequence() = converter.SplitParams()->Sequence();
uSVal->ChangeSequence()= converter.SplitValues()->Sequence();
curves = converter.GetCurves();
nbCurves = curves->Length();
gp_Trsf shiftF,shiftL;
shiftF.SetTranslation(extr->Value(UFirst,0),extr->Value(UFirst,VFirst));
shiftL.SetTranslation(extr->Value(UFirst,0),extr->Value(UFirst,VLast));
Handle(TColGeom_HArray2OfSurface) surf = new TColGeom_HArray2OfSurface(1,nbCurves,1,1);
Standard_Integer i; // svv #1
for(i = 1; i <= nbCurves; i++) {
Handle(Geom_BezierCurve) bez = Handle(Geom_BezierCurve)::DownCast(curves->Value(i));
Standard_Integer nbPoles = bez->NbPoles();
TColgp_Array1OfPnt poles(1,nbPoles);
bez->Poles(poles);
TColgp_Array2OfPnt resPoles(1,nbPoles,1,2);
for(Standard_Integer j = 1; j <= nbPoles; j++) {
resPoles(j,1) = poles(j).Transformed(shiftF);
resPoles(j,2) = poles(j).Transformed(shiftL);
}
Handle(Geom_BezierSurface) bezier = new Geom_BezierSurface(resPoles);
surf->SetValue(i,1,bezier);
}
TColStd_Array1OfReal UJoints(1, nbCurves+1);
TColStd_Array1OfReal VJoints(1, 2);
VJoints(1) = VFirst; VJoints(2) = VLast;
for(i = 1 ; i <= nbCurves+1; i++)
UJoints(i) = uPar->Value(i);
mySegments = new ShapeExtend_CompositeSurface(surf,UJoints,VJoints);
for(Standard_Integer j = 2; j <= myUSplitValues->Length(); j++) {
ULast = myUSplitValues->Value(j);
for(Standard_Integer ii = 2; ii <= nbCurves+1; ii++) {
Standard_Real valknot = uSVal->Value(ii);
if(valknot+UFirst <= precision) continue;
if(ULast -valknot <= precision) break;
myUSplitValues->InsertBefore(j++,valknot);
}
UFirst = ULast;
}
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return;
}
else {
TColStd_Array1OfReal UJoints(1,2);
UJoints(1) = UFirst; UJoints(2) = ULast;
TColStd_Array1OfReal VJoints(1,2);
VJoints(1) = VFirst; VJoints(2) = VLast;
Handle(TColGeom_HArray2OfSurface) surf = new TColGeom_HArray2OfSurface(1,1,1,1);
Standard_Real U1,U2,V1,V2;
mySurface->Bounds(U1,U2,V1,V2);
Handle(Geom_Surface) S;
if(U1-UFirst < precision && ULast - U2 < precision &&
V2-VFirst < precision && VLast - V2 < precision)
S = mySurface;
else {
Handle(Geom_RectangularTrimmedSurface) rts = new Geom_RectangularTrimmedSurface(mySurface,UFirst,ULast,VFirst,VLast);
S = rts;
}
surf->SetValue(1,1,S);
mySegments = new ShapeExtend_CompositeSurface(surf,UJoints,VJoints);
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
return;
}
}
//=======================================================================
//function : Build
//purpose :
//=======================================================================
static Handle(Geom_Surface) GetSegment(const Handle(Geom_Surface) surf,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real V1,
const Standard_Real V2)
{
if(surf->IsKind(STANDARD_TYPE(Geom_BezierSurface))) {
Handle(Geom_BezierSurface) bezier = Handle(Geom_BezierSurface)::DownCast(surf->Copy());
Standard_Real prec = Precision::PConfusion();
if(U1 < prec && U2 > 1-prec && V1 < prec && V2 > 1-prec)
return bezier;
//pdn K4L+ (work around)
// Standard_Real u1 = 2*U1 - 1;
// Standard_Real u2 = 2*U2 - 1;
// Standard_Real v1 = 2*V1 - 1;
// Standard_Real v2 = 2*V2 - 1;
//rln C30 (direct use)
Standard_Real u1 = U1;
Standard_Real u2 = U2;
Standard_Real v1 = V1;
Standard_Real v2 = V2;
bezier->Segment(u1,u2,v1,v2);
return bezier;
}
Handle(Geom_Surface) S;
if(surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
Handle(Geom_RectangularTrimmedSurface) rect = Handle(Geom_RectangularTrimmedSurface)::DownCast(surf);
S = rect->BasisSurface();
} else
S = surf;
if(S->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
Handle(Geom_SurfaceOfRevolution) revol = Handle(Geom_SurfaceOfRevolution)::DownCast(S->Copy());
Standard_Real Umin,Umax,Vmin,Vmax;
revol->Bounds(Umin,Umax,Vmin,Vmax);
Handle(Geom_Curve) basis = revol->BasisCurve();
if(basis->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) {
Handle(Geom_OffsetCurve) offset = Handle(Geom_OffsetCurve)::DownCast(basis);
basis = offset->BasisCurve();
}
if(basis->IsKind(STANDARD_TYPE(Geom_BezierCurve))) {
Handle(Geom_BezierCurve) bezier = Handle(Geom_BezierCurve)::DownCast(basis);
bezier->Segment(V1,V2);
}
else {
#ifdef OCCT_DEBUG
cout <<"Warning: Resulting path is not surface of revolution basis on bezier curve"<<endl;
#endif
}
if(Abs(U1-Umin) < Precision::PConfusion() &&
Abs(U2-Umax) < Precision::PConfusion() )
return revol;
Handle(Geom_RectangularTrimmedSurface) res = new Geom_RectangularTrimmedSurface(revol,U1,U2,Standard_True);
return res;
}
else {
Standard_Real Umin,Umax,Vmin,Vmax;
surf->Bounds(Umin,Umax,Vmin,Vmax);
if( U1-Umin < Precision::PConfusion() &&
Umax-U2 < Precision::PConfusion() &&
V1-Vmin < Precision::PConfusion() &&
Vmax-V2 < Precision::PConfusion() )
return surf;
Handle(Geom_RectangularTrimmedSurface) res = new Geom_RectangularTrimmedSurface(surf,U1,U2,V1,V2);
return res;
}
}
//=======================================================================
//function : Build
//purpose :
//=======================================================================
void ShapeUpgrade_ConvertSurfaceToBezierBasis::Build(const Standard_Boolean /*Segment*/)
{
Standard_Boolean isOffset = Standard_False;
Standard_Real offsetValue=0;
Handle(Geom_Surface) S;
if (mySurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
Handle(Geom_RectangularTrimmedSurface) Surface = Handle(Geom_RectangularTrimmedSurface)::DownCast(mySurface);
S = Surface->BasisSurface();
}
else
S = mySurface;
if(S->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
Handle(Geom_OffsetSurface) offSur = Handle(Geom_OffsetSurface)::DownCast(S);
isOffset = Standard_True;
offsetValue = offSur->Offset();
}
Standard_Real prec = Precision::PConfusion();
Handle(TColStd_HArray1OfReal) myUSplitParams = mySegments->UJointValues();
Handle(TColStd_HArray1OfReal) myVSplitParams = mySegments->VJointValues();
Standard_Integer nbU = myUSplitValues->Length();
Standard_Integer nbV = myVSplitValues->Length();
Handle(TColGeom_HArray2OfSurface) resSurfaces = new TColGeom_HArray2OfSurface(1,nbU-1,1,nbV-1);
Standard_Integer j1 = 2;
for(Standard_Integer i1 = 2; i1 <= nbU; i1++) {
Standard_Real parU = myUSplitValues->Value(i1);
for(; j1<= myUSplitParams->Length(); j1++) {
Standard_Real param = myUSplitParams->Value(j1);
if(parU - param < prec)
break;
}
Standard_Integer j2 = 2;
for(Standard_Integer i2 = 2; i2 <= nbV; i2++) {
Standard_Real parV = myVSplitValues->Value(i2);
for(; j2<= myVSplitParams->Length(); j2++)
if(parV - myVSplitParams->Value(j2) < prec)
break;
Handle(Geom_Surface) patch = mySegments->Patch(j1-1,j2-1);
Standard_Real U1, U2, V1, V2;
patch->Bounds(U1,U2,V1,V2);
//linear recomputation of part:
Standard_Real uFirst = myUSplitParams->Value(j1-1);
Standard_Real uLast = myUSplitParams->Value(j1);
Standard_Real vFirst = myVSplitParams->Value(j2-1);
Standard_Real vLast = myVSplitParams->Value(j2);
Standard_Real uFact = (U2-U1)/(uLast - uFirst);
Standard_Real vFact = (V2-V1)/(vLast - vFirst);
Standard_Real ppU = myUSplitValues->Value(i1-1);
Standard_Real ppV = myVSplitValues->Value(i2-1);
//defining a part
Standard_Real uL1 = U1+(ppU - uFirst)*uFact;
Standard_Real uL2 = U1+(parU- uFirst)*uFact;
Standard_Real vL1 = V1+(ppV - vFirst)*vFact;
Standard_Real vL2 = V1+(parV- vFirst)*vFact;
Handle(Geom_Surface) res = GetSegment(patch,uL1, uL2, vL1, vL2);
if(isOffset) {
Handle(Geom_OffsetSurface) resOff = new Geom_OffsetSurface(res,offsetValue);
res = resOff;
}
resSurfaces->SetValue(i1-1,i2-1,res);
}
}
TColStd_Array1OfReal UJoints(1,nbU);
Standard_Integer i; // svv #1
for(i = 1; i <= nbU; i++)
UJoints(i) = myUSplitValues->Value(i);
TColStd_Array1OfReal VJoints(1,nbV);
for(i = 1; i <= nbV; i++)
VJoints(i) = myVSplitValues->Value(i);
myResSurfaces = new ShapeExtend_CompositeSurface(resSurfaces,UJoints,VJoints);
}
//=======================================================================
//function : Segments
//purpose :
//=======================================================================
Handle(ShapeExtend_CompositeSurface) ShapeUpgrade_ConvertSurfaceToBezierBasis::Segments() const
{
return mySegments;
}
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