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occt/src/GeomToIGES/GeomToIGES_GeomSurface.cxx
ika 369a38aac2 0026931: [Regression in 6.9.0] Exporting a face throws an exception
Writing periodic BSpline surfaces to IGES:
Replace segmentation of surface to setting new origin.
Fix face bounds if its length (in U or V) is more than period.

Segmentation of BSpline curve/surface:
Throw exception if segment length more than period.

Fix test case bugs moddata_1 bug14782:
bounds of segmentation must be the same as curve bounds, according to issue description.

Changes in classes Geom2d_BSplineCurve, Geom_BSplineCurve, Geom_BSplineSurface:
- Replace *Raise_if macros with unconditional exceptions where it does not affect on performance.
- Update comments in .hxx files in regard of raised exceptions.
2016-01-13 15:22:59 +03:00

1350 lines
48 KiB
C++

// 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.
// modif du 22/10/96 mjm
// ajout du champ TheLength
//:l6 abv 15.01.99: CTS22022: writing full tori
//szv#4:S4163:12Mar99
//S4181 pdn 20.04.99 implementing of writing IGES elementary surfaces.
//szv#10:PRO19566:05Oct99 workaround against weights array loss
#include <gce_MakeLin.hxx>
#include <Geom_BezierSurface.hxx>
#include <Geom_BoundedSurface.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Geom_CartesianPoint.hxx>
#include <Geom_Circle.hxx>
#include <Geom_ConicalSurface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Direction.hxx>
#include <Geom_ElementarySurface.hxx>
#include <Geom_Geometry.hxx>
#include <Geom_Line.hxx>
#include <Geom_OffsetSurface.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Point.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_Surface.hxx>
#include <Geom_SurfaceOfLinearExtrusion.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <Geom_SweptSurface.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomConvert.hxx>
#include <GeomLProp_SLProps.hxx>
#include <GeomToIGES_GeomCurve.hxx>
#include <GeomToIGES_GeomEntity.hxx>
#include <GeomToIGES_GeomPoint.hxx>
#include <GeomToIGES_GeomSurface.hxx>
#include <GeomToIGES_GeomVector.hxx>
#include <gp.hxx>
#include <gp_Ax1.hxx>
#include <gp_Ax3.hxx>
#include <gp_Cone.hxx>
#include <gp_Cylinder.hxx>
#include <gp_Dir.hxx>
#include <gp_Pln.hxx>
#include <gp_Pnt.hxx>
#include <gp_Sphere.hxx>
#include <gp_Torus.hxx>
#include <gp_Trsf.hxx>
#include <gp_Vec.hxx>
#include <gp_XYZ.hxx>
#include <IGESConvGeom_GeomBuilder.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESGeom_BoundedSurface.hxx>
#include <IGESGeom_BSplineSurface.hxx>
#include <IGESGeom_CircularArc.hxx>
#include <IGESGeom_CurveOnSurface.hxx>
#include <IGESGeom_Direction.hxx>
#include <IGESGeom_Line.hxx>
#include <IGESGeom_OffsetSurface.hxx>
#include <IGESGeom_Plane.hxx>
#include <IGESGeom_Point.hxx>
#include <IGESGeom_RuledSurface.hxx>
#include <IGESGeom_SurfaceOfRevolution.hxx>
#include <IGESGeom_TabulatedCylinder.hxx>
#include <IGESGeom_TransformationMatrix.hxx>
#include <IGESSolid_ConicalSurface.hxx>
#include <IGESSolid_CylindricalSurface.hxx>
#include <IGESSolid_PlaneSurface.hxx>
#include <IGESSolid_SphericalSurface.hxx>
#include <IGESSolid_ToroidalSurface.hxx>
#include <Interface_Macros.hxx>
#include <Interface_Static.hxx>
#include <Precision.hxx>
#include <ShapeAnalysis.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <TColgp_HArray2OfXYZ.hxx>
#include <TColStd_HArray1OfReal.hxx>
#include <TColStd_HArray2OfReal.hxx>
//=============================================================================
// GeomToIGES_GeomSurface
//=============================================================================
GeomToIGES_GeomSurface::GeomToIGES_GeomSurface()
:GeomToIGES_GeomEntity()
{
myBRepMode = Standard_False;
myAnalytic = Standard_False;
}
//=============================================================================
// GeomToIGES_GeomSurface
//=============================================================================
GeomToIGES_GeomSurface::GeomToIGES_GeomSurface(const GeomToIGES_GeomEntity& GE)
:GeomToIGES_GeomEntity(GE)
{
myBRepMode = Standard_False;
myAnalytic = Standard_False;
}
//=============================================================================
// Transfer des Entites Surface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_Surface)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
if (start->IsKind(STANDARD_TYPE(Geom_BoundedSurface))) {
DeclareAndCast(Geom_BoundedSurface, Bounded, start);
res = TransferSurface(Bounded, Udeb, Ufin, Vdeb, Vfin);
}
else if (start->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) {
DeclareAndCast(Geom_ElementarySurface, Elementary, start);
res = TransferSurface(Elementary, Udeb, Ufin, Vdeb, Vfin);
}
else if ( start->IsKind(STANDARD_TYPE(Geom_SweptSurface))) {
DeclareAndCast(Geom_SweptSurface, Swept, start);
res = TransferSurface(Swept, Udeb, Ufin, Vdeb, Vfin);
}
else if ( start->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
DeclareAndCast(Geom_OffsetSurface, OffsetS, start);
res = TransferSurface(OffsetS, Udeb, Ufin, Vdeb, Vfin);
}
return res;
}
//=============================================================================
// Transfer des Entites BoundedSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_BoundedSurface)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
if (start->IsKind(STANDARD_TYPE(Geom_BSplineSurface))) {
DeclareAndCast(Geom_BSplineSurface, BSpline, start);
res = TransferSurface(BSpline, Udeb, Ufin, Vdeb, Vfin);
}
else if (start->IsKind(STANDARD_TYPE(Geom_BezierSurface))) {
DeclareAndCast(Geom_BezierSurface, Bezier, start);
res = TransferSurface(Bezier, Udeb, Ufin, Vdeb, Vfin);
}
else if ( start->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
DeclareAndCast(Geom_RectangularTrimmedSurface, Trimmed, start);
res = TransferSurface(Trimmed,Udeb, Ufin, Vdeb, Vfin);
}
return res;
}
//=============================================================================
// Transfer des Entites BSplineSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_BSplineSurface)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
// a b-spline surface is defined by :
// The U and V Degree (up to 25)
// The Poles (and the weights if it is rational)
// The U and V Knots and Multiplicities
//
// The knot vector is an increasing sequence of reals without repetition.
// The multiplicities are the repetition of the knots.
//
// If the knots are regularly spaced (the difference of two consecutive knots
// is a constant),
// the knots repartition (in U or V) is :
// - Uniform if all multiplicities are 1.
// - Quasi-uniform if all multiplicities are 1
// but the first and the last which are Degree+1.
// - PiecewiseBezier if all multiplicites are
// Degree but the first and the last which are
// Degree+1.
//
// The surface may be periodic in U and in V.
// On a U periodic surface if there are k U knots
// and the poles table has p rows. the U period
// is uknot(k) - uknot(1)
//
// the poles and knots are infinite vectors with :
// uknot(i+k) = uknot(i) + period
// pole(i+p,j) = pole(i,j)
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_BSplineSurface) BSpline = new IGESGeom_BSplineSurface;
Handle(Geom_BSplineSurface) mysurface;
Standard_Boolean PeriodU = start->IsUPeriodic();
Standard_Boolean PeriodV = start->IsVPeriodic();
mysurface = Handle(Geom_BSplineSurface)::DownCast(start->Copy());
Standard_Real Umin = Udeb, Umax = Ufin, Vmin = Vdeb, Vmax = Vfin;
Standard_Real U0,U1,V0,V1;
Standard_Real uShift = 0, vShift = 0;
mysurface->Bounds(U0,U1,V0,V1);
// fix bounds
if (!PeriodU) {
if (Umin < U0)
Umin = U0;
if (U1 < Umax)
Umax = U1;
}
else {
if (Abs(Umin - U0) < Precision::PConfusion())
Umin = U0;
if (Abs(Umax - U1) < Precision::PConfusion())
Umax = U1;
uShift = ShapeAnalysis::AdjustToPeriod(Umin, U0, U1);
Umin += uShift;
Umax += uShift;
if (Umax - Umin > U1 - U0)
Umax = Umin + (U1 - U0);
}
if (!PeriodV) {
if (Vmin < V0)
Vmin = V0;
if (V1 < Vmax)
Vmax = V1;
}
else {
if (Abs(Vmin - V0) < Precision::PConfusion())
Vmin = V0;
if (Abs(Vmax - V1) < Precision::PConfusion())
Vmax = V1;
vShift = ShapeAnalysis::AdjustToPeriod(Vmin, V0, V1);
Vmin += vShift;
Vmax += vShift;
if (Vmax - Vmin > V1 - V0)
Vmax = Vmin + (V1 - V0);
}
//unperiodize surface to get neccessary for IGES standard number of knots and mults
if ( mysurface->IsUPeriodic() ) {
// set new origin for periodic BSpline surfaces for synchronization of pcurves ranges
// and surface bounds (issue 26138)
if (mysurface->IsKind(STANDARD_TYPE(Geom_BSplineSurface))) {
Standard_Real uMaxShift = 0;
uMaxShift = ShapeAnalysis::AdjustToPeriod(Ufin, U0, U1);
if (Abs(uShift - uMaxShift) > Precision::PConfusion()) {
Handle(Geom_BSplineSurface) aBspl = Handle(Geom_BSplineSurface)::DownCast (mysurface->Copy());
Standard_Integer aLeft, aRight;
aBspl->LocateU(Umin, Precision::PConfusion(), aLeft, aRight);
aBspl->SetUOrigin(aLeft);
mysurface = aBspl;
}
}
mysurface->SetUNotPeriodic();
}
if ( mysurface->IsVPeriodic() ) {
// set new origin for periodic BSpline surfaces for synchronization of pcurves ranges
// and surface bounds (issue 26138)
if (mysurface->IsKind(STANDARD_TYPE(Geom_BSplineSurface))) {
Standard_Real vMaxShift = 0;
vMaxShift = ShapeAnalysis::AdjustToPeriod(Vfin, V0, V1);
if (Abs(vShift - vMaxShift) > Precision::PConfusion()) {
Handle(Geom_BSplineSurface) aBspl = Handle(Geom_BSplineSurface)::DownCast (mysurface->Copy());
Standard_Integer aLeft, aRight;
aBspl->LocateV(Vmin, Precision::PConfusion(), aLeft, aRight);
aBspl->SetVOrigin(aLeft);
mysurface = aBspl;
}
}
mysurface->SetVNotPeriodic();
}
Standard_Integer DegU = mysurface->UDegree();
Standard_Integer DegV = mysurface->VDegree();
Standard_Boolean CloseU = mysurface->IsUClosed();
Standard_Boolean CloseV = mysurface->IsVClosed();
Standard_Boolean RationU = mysurface->IsURational();
Standard_Boolean RationV = mysurface->IsVRational();
Standard_Integer NbUPoles = mysurface->NbUPoles();
Standard_Integer NbVPoles = mysurface->NbVPoles();
Standard_Integer IndexU = NbUPoles -1;
Standard_Integer IndexV = NbVPoles -1;
Standard_Boolean Polynom = !(RationU || RationV); //szv#10:PRO19566:05Oct99 && was wrong
// filling knots array for U :
// Sequence des Knots de [-DegU, IndexU+1] dans IGESGeom.
Standard_Integer Knotindex;
Standard_Real rtampon;
Standard_Integer itampon;
TColStd_Array1OfReal KU(1, NbUPoles+ DegU+ 1);
mysurface->UKnotSequence(KU);
itampon = -DegU;
Handle(TColStd_HArray1OfReal) KnotsU =
new TColStd_HArray1OfReal(-DegU,IndexU+1 );
for ( Knotindex=KU.Lower(); Knotindex<=KU.Upper(); Knotindex++) {
rtampon = KU.Value(Knotindex);
KnotsU->SetValue(itampon, rtampon);
itampon++;
}
// filling knots array for V :
// Sequence des Knots de [-DegV, IndexV+1] dans IGESGeom.
TColStd_Array1OfReal KV(1, NbVPoles+ DegV+ 1);
mysurface->VKnotSequence(KV);
itampon = -DegV;
Handle(TColStd_HArray1OfReal) KnotsV =
new TColStd_HArray1OfReal(-DegV, IndexV+1);
for ( Knotindex=KV.Lower(); Knotindex<=KV.Upper(); Knotindex++) {
rtampon = KV.Value(Knotindex);
KnotsV->SetValue(itampon, rtampon);
itampon++;
}
// filling Weights array de [0, IndexU, 0, IndexV]
// ----------------------------------------------
Handle(TColStd_HArray2OfReal) Weights =
new TColStd_HArray2OfReal(0 , IndexU, 0, IndexV);
Standard_Integer WeightRow = Weights->LowerRow();
Standard_Integer WeightCol = Weights->LowerCol();
Standard_Integer iw, jw;
if(RationU || RationV) {
for ( iw = 1; iw<= IndexU+1; iw++) {
for ( jw = 1; jw<= IndexV+1; jw++)
Weights->SetValue(WeightRow, WeightCol++, mysurface->Weight(iw,jw));
WeightRow++;
WeightCol = Weights->LowerCol();
}
} else {
for ( iw = 1; iw<= IndexU+1; iw++) {
for ( jw = 1; jw<= IndexV+1; jw++)
Weights->SetValue(WeightRow, WeightCol++, 1.0);
WeightRow++;
WeightCol = Weights->LowerCol();
}
}
// filling Poles array de [0, IndexU, 0, IndexV]
// ---------------------------------------------
Handle(TColgp_HArray2OfXYZ) Poles =
new TColgp_HArray2OfXYZ(0, IndexU, 0, IndexV);
Standard_Integer UIndex = Poles->LowerRow();
Standard_Integer VIndex = Poles->LowerCol();
Standard_Integer ipole, jpole;
Standard_Real Xd, Yd, Zd;
for ( ipole = 1; ipole<= IndexU+1; ipole++) {
for ( jpole = 1; jpole<= IndexV+1; jpole++) {
gp_Pnt tempPnt = mysurface-> Pole(ipole, jpole);
tempPnt.Coord(Xd, Yd, Zd);
gp_XYZ PXYZ = gp_XYZ( Xd/GetUnit(), Yd/GetUnit(), Zd/GetUnit());
Poles->SetValue(UIndex, VIndex++, PXYZ);
}
UIndex++;
VIndex = Poles->LowerCol();
}
BSpline-> Init (IndexU, IndexV, DegU, DegV, CloseU, CloseV, Polynom, PeriodU,
PeriodV, KnotsU, KnotsV, Weights, Poles, Umin, Umax, Vmin, Vmax);
res = BSpline;
return res;
}
//=============================================================================
// Transfer des Entites BezierSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_BezierSurface)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
Handle(Geom_BSplineSurface) Bspline =
GeomConvert::SurfaceToBSplineSurface(start);
Standard_Real U1,U2,V1,V2;
Bspline->Bounds(U1,U2,V1,V2);
res = TransferSurface(Bspline, U1, U2, V1, V2);
return res;
}
//=============================================================================
// Transfer des Entites RectangularTrimmedSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_RectangularTrimmedSurface)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
Handle(Geom_Surface) st = start->BasisSurface();
if (st->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
//message d'erreur pas de trimmed a partir d'une trimmed ,
//on peut eventuellement ecrire la surface de base : st.
return res;
}
res = TransferSurface(st, Udeb, Ufin, Vdeb, Vfin);
return res;
}
//=============================================================================
// Transfer des Entites ElementarySurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_ElementarySurface)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
Handle(IGESData_IGESEntity) res;
// All these entities are located in 3D space with an axis
// placement (Location point, XAxis, YAxis, ZAxis). It is
// their local coordinate system.
//S4181 pdn 16.04.99 Hereunder, the implementation of translation of CAS.CADE
// elementary surfaces into different types of IGES surfaces according to boolean flags
if (start.IsNull()) {
return res;
}
if (start->IsKind(STANDARD_TYPE(Geom_Plane))) {
DeclareAndCast(Geom_Plane, Plane, start);
if(myBRepMode)
res = TransferPlaneSurface(Plane, Udeb, Ufin, Vdeb, Vfin);
else
res = TransferSurface(Plane, Udeb, Ufin, Vdeb, Vfin);
}
else if (start->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
DeclareAndCast(Geom_CylindricalSurface, Cylindrical, start);
if(myBRepMode&&myAnalytic)
res = TransferCylindricalSurface(Cylindrical, Udeb, Ufin, Vdeb, Vfin);
else
res = TransferSurface(Cylindrical, Udeb, Ufin, Vdeb, Vfin);
}
else if ( start->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
DeclareAndCast(Geom_ConicalSurface, Conical, start);
if(myBRepMode&&myAnalytic)
res = TransferConicalSurface(Conical, Udeb, Ufin, Vdeb, Vfin);
else
res = TransferSurface(Conical, Udeb, Ufin, Vdeb, Vfin);
}
else if (start->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
DeclareAndCast(Geom_SphericalSurface, Spherical, start);
if(myBRepMode&&myAnalytic)
res = TransferSphericalSurface(Spherical, Udeb, Ufin, Vdeb, Vfin);
else
res = TransferSurface(Spherical, Udeb, Ufin, Vdeb, Vfin);
}
else if ( start->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))) {
DeclareAndCast(Geom_ToroidalSurface, Toroidal, start);
if(myBRepMode&&myAnalytic)
res = TransferToroidalSurface(Toroidal, Udeb, Ufin, Vdeb, Vfin);
else
res = TransferSurface(Toroidal, Udeb, Ufin, Vdeb, Vfin);
}
return res;
}
//=============================================================================
// Transfer des Entites Plane de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface(const Handle(Geom_Plane)& start,
const Standard_Real Udeb,
const Standard_Real Ufin,
const Standard_Real Vdeb,
const Standard_Real Vfin)
{
// on va ecrire une BSplineSurface pour pouvoir etre coherent avec les courbes 2d
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
if (Interface_Static::IVal("write.iges.plane.mode") == 0){
Handle(IGESGeom_Plane) aPlane = new IGESGeom_Plane;
Standard_Real A,B,C,D;
start->Coefficients(A,B,C,D);
D = -D;// because of difference in Geom_Plane class and Type 108
gp_XYZ anAttach = start->Location().XYZ().Divided( GetUnit() );
aPlane->Init (A, B, C, D / GetUnit(), 0, anAttach, 0);
res = aPlane;
return res;
}
else{
Handle(IGESGeom_BSplineSurface) BSpline = new IGESGeom_BSplineSurface;
gp_Pnt P1 ,P2, P3, P4;
start->D0(Udeb, Vdeb, P1);
start->D0(Udeb, Vfin, P2);
start->D0(Ufin, Vdeb, P3);
start->D0(Ufin, Vfin, P4);
Handle(TColgp_HArray2OfXYZ) Poles = new TColgp_HArray2OfXYZ(0, 1, 0, 1);
Standard_Real X,Y,Z;
P1.Coord(X,Y,Z);
Poles->SetValue (0, 0, gp_XYZ(X/GetUnit(),Y/GetUnit(),Z/GetUnit()));
P2.Coord(X,Y,Z);
Poles->SetValue (0, 1, gp_XYZ(X/GetUnit(),Y/GetUnit(),Z/GetUnit()));
P3.Coord(X,Y,Z);
Poles->SetValue (1, 0, gp_XYZ(X/GetUnit(),Y/GetUnit(),Z/GetUnit()));
P4.Coord(X,Y,Z);
Poles->SetValue (1, 1, gp_XYZ(X/GetUnit(),Y/GetUnit(),Z/GetUnit()));
Handle(TColStd_HArray1OfReal) KnotsU = new TColStd_HArray1OfReal(-1,2);
KnotsU->SetValue(-1, Udeb);
KnotsU->SetValue(0, Udeb);
KnotsU->SetValue(1, Ufin);
KnotsU->SetValue(2, Ufin);
Handle(TColStd_HArray1OfReal) KnotsV = new TColStd_HArray1OfReal(-1,2);
KnotsV->SetValue(-1, Vdeb);
KnotsV->SetValue(0, Vdeb);
KnotsV->SetValue(1, Vfin);
KnotsV->SetValue(2, Vfin);
Handle(TColStd_HArray2OfReal) Weights =
new TColStd_HArray2OfReal(0, 1, 0, 1, 1.);
//#32 rln 19.10.98
BSpline-> Init ( 1, 1, 1, 1, Standard_False , Standard_False, Standard_True,
Standard_False, Standard_False,
KnotsU, KnotsV, Weights, Poles, Udeb, Ufin, Vdeb, Vfin);
res = BSpline;
return res;
}
}
//=============================================================================
// Transfer des Entites CylindricalSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_CylindricalSurface)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// The "ZAxis" is the symmetry axis of the CylindricalSurface,
// it gives the direction of increasing parametric value V.
// The parametrization range is :
// U [0, 2*PI], V ]- infinite, + infinite[
// The "XAxis" and the "YAxis" define the placement plane of the
// surface (Z = 0, and parametric value V = 0) perpendicular to
// the symmetry axis. The "XAxis" defines the origin of the
// parameter U = 0. The trigonometric sense gives the positive
// orientation for the parameter U.
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_SurfaceOfRevolution) Surf = new IGESGeom_SurfaceOfRevolution;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
if (Precision::IsNegativeInfinite(Vdeb)) V1 = -Precision::Infinite();
if (Precision::IsPositiveInfinite(Vfin)) V2 = Precision::Infinite();
// creation de la generatrice : Generatrix
Handle(Geom_Line) Ligne =
new Geom_Line (gp_Pnt(start->Cylinder().Radius(), 0.0, 0.0),
gp_Dir(0.0, 0.0, 1.0));
GeomToIGES_GeomCurve GC(*this);
Handle(IGESData_IGESEntity) Generatrix = GC.TransferCurve( Ligne, V1, V2);
gp_Pnt gen1 = Ligne->Value(V1);
gp_Pnt gen2 = Ligne->Value(V2);
TheLength = gen1.Distance(gen2);
// creation de l`axe : Axis .
Handle(IGESGeom_Line) Axis = new IGESGeom_Line;
//#30 rln 19.10.98 IGES axis = reversed CAS.CADE axis
//Axis->Init(gp_XYZ(0.0, 0.0, 0.0), gp_XYZ(0.0, 0.0, 1.0/GetUnit()));
//Surf->Init (Axis, Generatrix, U1, U2);
Axis->Init(gp_XYZ (0, 0, 1.), gp_XYZ (0, 0, 0));
Surf->Init (Axis, Generatrix, 2 * M_PI - U2, 2 * M_PI - U1);
// creation de la Trsf (#124)
// il faut tenir compte de l`unite pour la matrice de transformation
// (partie translation).
IGESConvGeom_GeomBuilder Build;
Standard_Real xloc,yloc,zloc;
start->Cylinder().Location().Coord(xloc,yloc,zloc);
gp_Pnt Loc;
Loc.SetCoord(xloc, yloc, zloc);
gp_Ax3 Pos = start->Cylinder().Position();
Pos.SetLocation(Loc);
Build.SetPosition(Pos);
if (!Build.IsIdentity()){
Handle(IGESGeom_TransformationMatrix) TMat =
new IGESGeom_TransformationMatrix;
TMat = Build.MakeTransformation(GetUnit());
Surf->InitTransf(TMat);
}
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites ConicalSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_ConicalSurface)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// The "ZAxis" is the symmetry axis of the ConicalSurface,
// it gives the direction of increasing parametric value V.
// The apex of the surface is on the negative side of this axis.
// The parametrization range is :
// U [0, 2*PI], V ]-infinite, + infinite[
// The "XAxis" and the "YAxis" define the placement plane of the
// surface (Z = 0, and parametric value V = 0) perpendicular to
// the symmetry axis. The "XAxis" defines the origin of the
// parameter U = 0. The trigonometric sense gives the positive
// orientation for the parameter U.
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_SurfaceOfRevolution) Surf = new IGESGeom_SurfaceOfRevolution;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
if (Precision::IsNegativeInfinite(Vdeb)) V1 = -Precision::Infinite();
if (Precision::IsPositiveInfinite(Vfin)) V2 = Precision::Infinite();
// creation de la generatrice : Generatrix
Handle(Geom_Line) Ligne =
new Geom_Line( gp_Pnt(start->Cone().RefRadius(), 0.0, 0.0),
gp_Dir(sin(start->Cone().SemiAngle()), 0.,
cos(start->Cone().SemiAngle())));
GeomToIGES_GeomCurve GC(*this);
Handle(IGESData_IGESEntity) Generatrix = GC.TransferCurve( Ligne, V1, V2);
gp_Pnt gen1 = Ligne->Value(V1);
gp_Pnt gen2 = Ligne->Value(V2);
// TheLength = gen1.Distance(gen2)*Cos(start->Cone().SemiAngle());
TheLength = gen1.Distance(gen2);
// creation de l`axe : Axis .
Handle(IGESGeom_Line) Axis = new IGESGeom_Line;
//#30 rln 19.10.98 IGES axis = reversed CAS.CADE axis
//Axis->Init(gp_XYZ(0.0, 0.0, 0.0), gp_XYZ(0.0, 0.0, 1.0/GetUnit()));
//Surf->Init (Axis, Generatrix, U1, U2);
Axis->Init(gp_XYZ (0, 0, 1.), gp_XYZ (0, 0, 0));
Surf->Init (Axis, Generatrix, 2 * M_PI - U2, 2 * M_PI - U1);
// creation de la Trsf (#124)
// il faut tenir compte de l`unite pour la matrice de transformation
// (partie translation).
IGESConvGeom_GeomBuilder Build;
Standard_Real xloc,yloc,zloc;
start->Cone().Location().Coord(xloc,yloc,zloc);
gp_Pnt Loc;
Loc.SetCoord(xloc, yloc, zloc);
gp_Ax3 Pos = start->Cone().Position();
Pos.SetLocation(Loc);
Build.SetPosition(Pos);
if (!Build.IsIdentity()){
Handle(IGESGeom_TransformationMatrix) TMat =
new IGESGeom_TransformationMatrix;
TMat = Build.MakeTransformation(GetUnit());
Surf->InitTransf(TMat);
}
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites SphericalSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_SphericalSurface)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// The center of the sphere is the "Location" point of the local
// coordinate system.
// The V isoparametric curves of the surface are defined by
// the section of the spherical surface with plane parallel to the
// plane (Location, XAxis, YAxis). This plane defines the origin of
// parametrization V.
// The U isoparametric curves of the surface are defined by the
// section of the spherical surface with plane obtained by rotation
// of the plane (Location, XAxis, ZAxis) around ZAxis. This plane
// defines the origin of parametrization u.
// The parametrization range is U [0, 2*PI], V [- PI/2, + PI/2]
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_SurfaceOfRevolution) Surf = new IGESGeom_SurfaceOfRevolution;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
// creation de la generatrice : Generatrix (1/2 cercle)
gp_Ax2 Axe(gp::Origin(), -gp::DY(), gp::DX());
Handle(Geom_Circle) Cercle =
new Geom_Circle(Axe, start->Sphere().Radius());
GeomToIGES_GeomCurve GC(*this);
Handle(IGESData_IGESEntity) Gen = GC.TransferCurve( Cercle, V1, V2);
// creation de l`axe : Axis .
Handle(IGESGeom_Line) Axis = new IGESGeom_Line;
//#30 rln 19.10.98 IGES axis = reversed CAS.CADE axis
//Axis->Init(gp_XYZ(0.0, 0.0, 0.0), gp_XYZ(0.0, 0.0, 1.0/GetUnit()));
Axis->Init(gp_XYZ (0, 0, 1.), gp_XYZ (0, 0, 0));
if ( Gen->IsKind(STANDARD_TYPE(IGESGeom_CircularArc))) {
//#30 rln 19.10.98 Surf->Init (Axis, Gen, U1, U2);
Surf->Init (Axis, Gen, 2 * M_PI - U2, 2 * M_PI - U1);
IGESConvGeom_GeomBuilder Build;
Standard_Real xloc,yloc,zloc;
start->Sphere().Location().Coord(xloc,yloc,zloc);
gp_Pnt Loc;
Loc.SetCoord(xloc, yloc, zloc);
gp_Ax3 Pos = start->Sphere().Position();
Pos.SetLocation(Loc);
Build.SetPosition(Pos);
if (!Build.IsIdentity()){
Handle(IGESGeom_TransformationMatrix) TMat =
new IGESGeom_TransformationMatrix;
TMat = Build.MakeTransformation(GetUnit());
Surf->InitTransf(TMat);
}
}
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites ToroidalSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_ToroidalSurface)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// The "Location point" of the axis placement is the center
// of the surface.
// The plane (Location, XAxis, ZAxis) defines the origin of the
// parametrization U. The plane (Location, XAxis, YAxis)
// defines the origin of the parametrization V.
// The parametrization range is U [0, 2*PI], V [0, 2*PI]
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_SurfaceOfRevolution) Surf = new IGESGeom_SurfaceOfRevolution;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
// creation de la generatrice : Generatrix (cercle)
gp_Ax2 Axe = gp_Ax2(gp_Pnt((start->Torus().MajorRadius()), 0., 0.),
-gp::DY(), gp::DX());
Handle(Geom_Circle) Cercle =
new Geom_Circle(Axe, start->Torus().MinorRadius());
GeomToIGES_GeomCurve GC(*this);
Handle(IGESData_IGESEntity) Gen = GC.TransferCurve( Cercle, V1, V2);
// creation de l`axe : Axis .
Handle(IGESGeom_Line) Axis = new IGESGeom_Line;
//#30 rln 19.10.98 IGES axis = reversed CAS.CADE axis
//Axis->Init(gp_XYZ(0.0, 0.0, 0.0), gp_XYZ(0.0, 0.0, 1.0/GetUnit()));
Axis->Init(gp_XYZ (0, 0, 1.), gp_XYZ (0, 0, 0));
//:l6 abv: CTS22022: writing full tori: if ( Gen->IsKind(STANDARD_TYPE(IGESGeom_CircularArc))) {
//#30 rln 19.10.98 Surf->Init (Axis, Gen, U1, U2);
Surf->Init (Axis, Gen, 2 * M_PI - U2, 2 * M_PI - U1);
IGESConvGeom_GeomBuilder Build;
/* //:l6: useless
Standard_Real xloc,yloc,zloc;
start->Torus().Location().Coord(xloc,yloc,zloc);
gp_Pnt Loc;
Loc.SetCoord(xloc, yloc, zloc);
*/
gp_Ax3 Pos = start->Torus().Position();
//:l6 Pos.SetLocation(Loc);
Build.SetPosition(Pos);
if (!Build.IsIdentity()){
Handle(IGESGeom_TransformationMatrix) TMat =
new IGESGeom_TransformationMatrix;
TMat = Build.MakeTransformation(GetUnit());
Surf->InitTransf(TMat);
}
//:l6 }
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites SweptSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_SweptSurface)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
if (start->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) {
DeclareAndCast(Geom_SurfaceOfLinearExtrusion, Extrusion, start);
res = TransferSurface(Extrusion, Udeb, Ufin, Vdeb, Vfin);
}
else if (start->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
DeclareAndCast(Geom_SurfaceOfRevolution, Revolution, start);
res = TransferSurface(Revolution, Udeb, Ufin, Vdeb, Vfin);
}
return res;
}
//=============================================================================
// Transfer des Entites SurfaceOfLinearExtrusion de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_SurfaceOfLinearExtrusion)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// This surface is obtained by sweeping a curve in a given direction.
// The parametrization range for the parameter U is defined with the
// referenced curve.
// The parametrization range for the parameter V is
// ]-infinite, + infinite[
// The position of the curve gives the origin for the parameter V.
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_TabulatedCylinder) Surf = new IGESGeom_TabulatedCylinder;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
if (Precision::IsNegativeInfinite(Vdeb)) V1 = -Precision::Infinite();
if (Precision::IsPositiveInfinite(Vfin)) V2 = Precision::Infinite();
// added by skl 18.07.2005 for OCC9490
Standard_Real UF,UL,VF,VL;
start->Bounds(UF,UL,VF,VL);
U1=UF;
U2=UL;
Handle(Geom_Curve) TheCurve = start->BasisCurve();
//dans IGES l'origine de la generatrice est identique a l'origine
//de la directrice , il faut translater la courbe si les deux
//points ne sont pas confondus dans Geom et donc la copier !!!!!!!
gp_Pnt TheEnd = start->Value(U1,V2);
Standard_Real Xe, Ye, Ze;
TheEnd.Coord(Xe, Ye, Ze);
gp_XYZ End = gp_XYZ (Xe/GetUnit(), Ye/GetUnit(), Ze/GetUnit());
GeomToIGES_GeomCurve GC(*this);
// commented by skl 18.07.2005 for OCC9490
Handle(Geom_Curve) CopyCurve;
if ( Abs(V1) > Precision::Confusion()) {
CopyCurve = Handle(Geom_Curve)::DownCast
(TheCurve->Translated (start->Value(U1,0.), start->Value(U1,V1)));
}
else {
CopyCurve = TheCurve;
}
//Handle(IGESData_IGESEntity) Directrix = GC.TransferCurve( CopyCurve, V1, V2);
Handle(IGESData_IGESEntity) Directrix = GC.TransferCurve( CopyCurve, U1, U2);
//Handle(IGESData_IGESEntity) Directrix = GC.TransferCurve( TheCurve, U1, U2);
//gp_Pnt gen1 = start->Value(U1,V1);
//TheLength = gen1.Distance(TheEnd);
Surf->Init (Directrix, End);
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites SurfaceOfRevolution de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_SurfaceOfRevolution)& start, const Standard_Real Udeb,
const Standard_Real Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// The surface is obtained by rotating a curve a complete revolution
// about an axis. The curve and the axis must be in the same plane.
// For a complete surface of revolution the parametric range is
// 0 <= U <= 2*PI.
// The parametric range for V is defined with the revolved curve.
// The origin of the U parametrization is given by the position
// of the revolved curve (reference). The direction of the revolution
// axis defines the positive sense of rotation (trigonometric sense)
// corresponding to the increasing of the parametric value U.
// The derivatives are always defined for the u direction.
// For the v direction the definition of the derivatives depends on
// the degree of continuity of the referenced curve.
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_SurfaceOfRevolution) Surf = new IGESGeom_SurfaceOfRevolution;
Standard_Real U1 = Udeb;
Standard_Real U2 = Ufin;
Standard_Real V1 = Vdeb;
Standard_Real V2 = Vfin;
if (Precision::IsNegativeInfinite(Vdeb)) V1 = -Precision::Infinite();
if (Precision::IsPositiveInfinite(Vfin)) V2 = Precision::Infinite();
// creation de la generatrice : Generatrix
Handle(Geom_Curve) Curve = start->BasisCurve();
GeomToIGES_GeomCurve GC(*this);
Handle(IGESData_IGESEntity) Generatrix = GC.TransferCurve( Curve, V1, V2);
//pdn BUC184: decoding a trimmed curve
while( Curve->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
Handle(Geom_TrimmedCurve) aTrCurve = Handle(Geom_TrimmedCurve)::
DownCast(Curve);
Curve = aTrCurve->BasisCurve();
}
if ( Curve->IsKind(STANDARD_TYPE(Geom_Line))) {
DeclareAndCast(Geom_Line, Line, Curve);
gp_Pnt gen1 = Line->Value(V1);
gp_Pnt gen2 = Line->Value(V2);
TheLength = gen1.Distance(gen2);
}
// creation de l`axe : Axis .
Handle(IGESGeom_Line) Axis = new IGESGeom_Line;
gp_Ax1 Axe = start->Axis();
Standard_Real X1,Y1,Z1,X2,Y2,Z2;
Axe.Location().Coord(X1,Y1,Z1);
Axe.Direction().Coord(X2,Y2,Z2);
//#30 rln 19.10.98 IGES axis = reversed CAS.CADE axis
//Axis->Init(gp_XYZ(X1/GetUnit(),Y1/GetUnit(),Z1/GetUnit()),
// gp_XYZ(X2/GetUnit(),Y2/GetUnit(),Z2/GetUnit()));
//#36 rln 27.10.98 BUC60328 face 7
Axis->Init(gp_XYZ(X1/GetUnit(),Y1/GetUnit(),Z1/GetUnit()),
gp_XYZ( (X1 - X2) / GetUnit(), (Y1 - Y2) / GetUnit(), (Z1 - Z2) / GetUnit()));
Surf->Init (Axis, Generatrix, 2 * M_PI - U2, 2 * M_PI - U1);
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites OffsetSurface de Geom vers IGES
// TransferSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSurface
( const Handle(Geom_OffsetSurface)& start, const Standard_Real Udeb, const Standard_Real
Ufin, const Standard_Real Vdeb, const Standard_Real Vfin)
{
// An offset surface is a surface at constant distance
// (Offset) from a basis surface. The distance may be positive
// or negative to the preferred side of the surface.
// The positive side is defined by the cross product D1u ^ D1v
// where D1u and D1v are the tangent vectors of the basis
// surface in the U and V parametric directions. The previous
// cross product defines the normal direction to the basis
// surface.
Handle(IGESData_IGESEntity) res;
if (start.IsNull()) {
return res;
}
Handle(IGESGeom_OffsetSurface) Surf = new IGESGeom_OffsetSurface;
Handle(Geom_Surface) TheSurf = start->BasisSurface();
Standard_Real U1, U2, V1, V2 , Um, Vm;
start->Bounds (U1, U2, V1, V2);
Um = (U1 + U2 ) /2.;
Vm = (V1 + V2 ) /2.;
Handle(IGESData_IGESEntity) Surface = TransferSurface
(TheSurf, Udeb, Ufin, Vdeb, Vfin);
Standard_Real Distance = start->Offset()/GetUnit();
GeomLProp_SLProps Prop = GeomLProp_SLProps
(TheSurf, Um, Vm, 1, Precision::Confusion());
gp_Dir Dir = Prop.Normal();
Standard_Real Xd, Yd, Zd;
Dir.Coord(Xd, Yd, Zd);
gp_XYZ Indicator = gp_XYZ(Xd/GetUnit(), Yd/GetUnit(), Zd/GetUnit());
Surf-> Init (Indicator, Distance, Surface);
res = Surf;
return res;
}
//=============================================================================
// Transfer des Entites Plane de Geom vers IGESSolid
// TransferPlaneSurface
//=============================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferPlaneSurface(const Handle(Geom_Plane)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
// The parametrization range is U, V ]- infinite, + infinite[
// The local coordinate system of the plane is defined with
// an axis placement two axis.
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESSolid_PlaneSurface) Plsurf = new IGESSolid_PlaneSurface;
GeomToIGES_GeomPoint GP(*this);
gp_Pln aPln = start->Pln();
Handle(Geom_CartesianPoint) mypoint = new Geom_CartesianPoint (aPln.Location());
Handle(IGESGeom_Point) aLocation = GP.TransferPoint(mypoint);
Handle(IGESGeom_Direction) aNormal = new IGESGeom_Direction;
aNormal->Init (aPln.Axis().Direction().XYZ());
Handle(IGESGeom_Direction) aRefDir = new IGESGeom_Direction;
aRefDir->Init (aPln.XAxis().Direction().XYZ());
Plsurf->Init (aLocation, aNormal, aRefDir);
res = Plsurf;
return res;
}
//=======================================================================
//function : TransferCylindricaSurface
//purpose :
//=======================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferCylindricalSurface(const Handle(Geom_CylindricalSurface)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESSolid_CylindricalSurface) CylSurf = new IGESSolid_CylindricalSurface;
GeomToIGES_GeomPoint GP(*this);
gp_Cylinder aCyl = start->Cylinder();
Handle(Geom_CartesianPoint) mypoint = new Geom_CartesianPoint (aCyl.Location());
Handle(IGESGeom_Point) aLocation = GP.TransferPoint(mypoint);
Handle(IGESGeom_Direction) anAxis = new IGESGeom_Direction;
anAxis->Init (aCyl.Axis().Direction().XYZ());
Handle(IGESGeom_Direction) aRefDir = new IGESGeom_Direction;
aRefDir->Init (aCyl.XAxis().Direction().XYZ());
Standard_Real aRadius = aCyl.Radius() / GetUnit();
CylSurf->Init (aLocation, anAxis, aRadius, aRefDir);
res = CylSurf;
return res;
}
//=======================================================================
//function : TransferConicalSurface
//purpose :
//=======================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferConicalSurface(const Handle(Geom_ConicalSurface)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESSolid_ConicalSurface) ConSurf = new IGESSolid_ConicalSurface;
GeomToIGES_GeomPoint GP(*this);
gp_Cone Con = start->Cone();
Standard_Real aRadius = Con.RefRadius() / GetUnit();
Standard_Real angle = Con.SemiAngle();
gp_Ax1 Axe = Con.Axis();
gp_Ax1 XAxe = Con.XAxis();
gp_Dir XDir = XAxe.Direction();
Handle(Geom_CartesianPoint) mypoint = new Geom_CartesianPoint(Con.Location());
if(angle < 0.) {
gp_Pnt pnt = mypoint->Pnt();
mypoint->SetPnt(Con.Apex().XYZ()*2-pnt.XYZ());
angle = -angle;
XDir.Reverse();
}
Handle(IGESGeom_Point) aLocation = GP.TransferPoint(mypoint);
Handle(IGESGeom_Direction) anAxis = new IGESGeom_Direction;
anAxis->Init (Axe.Direction().XYZ());
Handle(IGESGeom_Direction) aRefDir = new IGESGeom_Direction;
aRefDir->Init (XDir.XYZ());
ConSurf->Init (aLocation, anAxis, aRadius, angle*180./M_PI, aRefDir);
res = ConSurf;
return res;
}
//=======================================================================
//function : TransferSphericalSurface
//purpose :
//=======================================================================
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferSphericalSurface(const Handle(Geom_SphericalSurface)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESSolid_SphericalSurface) SphSurf = new IGESSolid_SphericalSurface;
GeomToIGES_GeomPoint GP(*this);
gp_Sphere aSph = start->Sphere();
Handle(Geom_CartesianPoint) mypoint = new Geom_CartesianPoint(aSph.Location());
Handle(IGESGeom_Point) aLocation = GP.TransferPoint(mypoint);
Handle(IGESGeom_Direction) anAxis = new IGESGeom_Direction;
anAxis->Init (aSph.Position().Axis().Direction().XYZ());
Handle(IGESGeom_Direction) aRefDir = new IGESGeom_Direction;
aRefDir->Init (aSph.XAxis().Direction().XYZ());
Standard_Real aRadius = aSph.Radius() / GetUnit();
SphSurf->Init (aLocation, aRadius, anAxis, aRefDir);
res = SphSurf;
return res;
}
Handle(IGESData_IGESEntity) GeomToIGES_GeomSurface::TransferToroidalSurface(const Handle(Geom_ToroidalSurface)& start,
const Standard_Real /*Udeb*/,
const Standard_Real /*Ufin*/,
const Standard_Real /*Vdeb*/,
const Standard_Real /*Vfin*/)
{
Handle(IGESData_IGESEntity) res;
TheLength = 1;
if (start.IsNull()) {
return res;
}
Handle(IGESSolid_ToroidalSurface) TorSurf = new IGESSolid_ToroidalSurface;
GeomToIGES_GeomPoint GP(*this);
gp_Torus aTor = start->Torus();
Handle(Geom_CartesianPoint) mypoint = new Geom_CartesianPoint (aTor.Location());
Handle(IGESGeom_Point) aLocation = GP.TransferPoint(mypoint);
Handle(IGESGeom_Direction) anAxis = new IGESGeom_Direction;
anAxis->Init (aTor.Axis().Direction().XYZ());
Handle(IGESGeom_Direction) aRefDir = new IGESGeom_Direction;
aRefDir->Init (aTor.XAxis().Direction().XYZ());
Standard_Real aMajor = aTor.MajorRadius() / GetUnit();
Standard_Real aMinor = aTor.MinorRadius() / GetUnit();
TorSurf->Init (aLocation, anAxis, aMajor, aMinor, aRefDir);
res = TorSurf;
return res;
}
//=======================================================================
//function : Length
//purpose :
//=======================================================================
Standard_Real GeomToIGES_GeomSurface::Length() const
{ return TheLength; }
//=======================================================================
//function : GetBRepMode
//purpose :
//=======================================================================
Standard_Boolean GeomToIGES_GeomSurface::GetBRepMode() const
{
return myBRepMode;
}
//=======================================================================
//function : SetBRepMode
//purpose :
//=======================================================================
void GeomToIGES_GeomSurface::SetBRepMode(const Standard_Boolean flag)
{
myBRepMode = flag;
}
//=======================================================================
//function : GetAnalyticMode
//purpose :
//=======================================================================
Standard_Boolean GeomToIGES_GeomSurface::GetAnalyticMode() const
{
return myAnalytic;
}
void GeomToIGES_GeomSurface::SetAnalyticMode(const Standard_Boolean flag)
{
myAnalytic = flag;
}