#include <gp_Cone.hxx>
#include <gp_Torus.hxx>
#include <gp_Pln.hxx>
+#include <gp_Hypr.hxx>
+#include <gp_Parab.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
#include <Geom_BSplineCurve.hxx>
+#include <Geom_BezierCurve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <GeomAdaptor_Surface.hxx>
}
// BSplineCurve
if (aCT==GeomAbs_BSplineCurve) {
- Standard_Integer aNbKnots, aNbPoles, aDegree;
+ Standard_Integer aNbKnots, aNbPoles, aNbWeights, aNbMultiplicities, aDegree, i;
Standard_Real aLength;
gp_XYZ aXYZ1, aXYZ2, aXYZc;
Handle(Geom_BSplineCurve) aBSp;
//
aBSp=aGAC.BSpline();
- aNbKnots=aBSp->NbKnots();
- aNbPoles=aBSp->NbPoles();
- aDegree =aBSp->Degree();
- if (!(aDegree==1 && aNbKnots==2 && aNbPoles==2)) {
- return; // unallowed B-Spline curve
+ aDegree = aBSp->Degree();
+ aNbPoles = aBSp->NbPoles();
+ aNbKnots = aBSp->NbKnots();
+ aNbWeights = (aBSp->IsRational() ? aNbPoles : 0);
+ aNbMultiplicities = (aBSp->KnotDistribution() == GeomAbs_Uniform ? 0 : aNbKnots);
+ if (aDegree==1 && aNbKnots==2 && aNbPoles==2) {
+ // This is a single line segment
+ aInfo.SetKindOfShape(GEOMAlgo_KS_BSPLINE);
+ aInfo.SetKindOfClosed(GEOMAlgo_KC_NOTCLOSED);
+ //
+ aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
+ aInfo.SetKindOfName(GEOMAlgo_KN_SEGMENT);
+ aGAC.D0(aT1, aP1);
+ aGAC.D0(aT2, aP2);
+ aInfo.SetPnt1(aP1);
+ aInfo.SetPnt2(aP2);
+ //
+ aLength=aP1.Distance(aP2);
+ aInfo.SetLength(aLength);
+ //
+ aXYZ1=aP1.XYZ();
+ aXYZ2=aP2.XYZ();
+ aXYZc=aXYZ1+aXYZ2;
+ aXYZc.Multiply(0.5);
+ aPc.SetXYZ(aXYZc);
+ aInfo.SetLocation(aPc);
+ //
+ if ( aLength >= gp::Resolution() ) {
+ gp_Vec aVec(aPc, aP2);
+ gp_Dir aDir(aVec);
+ aInfo.SetDirection(aDir);
+ }
}
- //
- aInfo.SetKindOfShape(GEOMAlgo_KS_BSPLINE);
- aInfo.SetKindOfClosed(GEOMAlgo_KC_NOTCLOSED);
- //
+ else {
+ // We have a higher degree B-Spline curve
+ aInfo.SetKindOfShape(GEOMAlgo_KS_BSPLINE);
+ aInfo.SetKindOfName(GEOMAlgo_KN_CURVEBSPLINE);
+ aInfo.SetKindOfPeriod(aBSp->IsPeriodic() ? GEOMAlgo_KP_PERIODIC : GEOMAlgo_KP_NONPERIODIC);
+ aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
+ aInfo.SetKindOfClosed(aBSp->IsClosed() ? GEOMAlgo_KC_CLOSED : GEOMAlgo_KC_NOTCLOSED);
+ aGAC.D0(aT1, aP1);
+ aGAC.D0(aT2, aP2);
+ aInfo.SetPnt1(aP1);
+ aInfo.SetPnt2(aP2);
+ //
+ aInfo.SetDegree(aDegree);
+ aInfo.SetNbKnots(aNbKnots);
+ aInfo.SetNbPoles(aNbPoles);
+ aInfo.SetNbWeights(aNbWeights);
+ aInfo.SetNbMultiplicities(aNbMultiplicities);
+ // Fill the poles
+ Handle(TColgp_HArray1OfPnt) poles = new TColgp_HArray1OfPnt(1, aNbPoles);
+ for (i=1; i<=aNbPoles; i++)
+ poles->SetValue(i, aBSp->Pole(i));
+ aInfo.SetPoles(poles);
+ // Fill the knots
+ Handle(TColStd_HArray1OfReal) knots = new TColStd_HArray1OfReal(1, aNbKnots);
+ for (i=1; i<=aNbKnots; i++)
+ knots->SetValue(i, aBSp->Knot(i));
+ aInfo.SetKnots(knots);
+ // Fill the weights
+ if (aNbWeights > 0) {
+ Handle(TColStd_HArray1OfReal) weights = new TColStd_HArray1OfReal(1, aNbWeights);
+ for (i=1; i<=aNbWeights; i++)
+ weights->SetValue(i, aBSp->Weight(i));
+ aInfo.SetWeights(weights);
+ }
+ // Fill the multiplicities
+ if (aNbMultiplicities > 0) {
+ Handle(TColStd_HArray1OfInteger) mults = new TColStd_HArray1OfInteger(1, aNbMultiplicities);
+ for (i=1; i<=aNbMultiplicities; i++)
+ mults->SetValue(i, aBSp->Multiplicity(i));
+ aInfo.SetMultiplicities(mults);
+ }
+ }
+ }//if (aCT==GeomAbs_BSplineCurve) {
+ // Bezier
+ else if (aCT==GeomAbs_BezierCurve) {
+ Standard_Integer aNbPoles, aNbWeights, aDegree, i;
+ Handle(Geom_BezierCurve) aBC;
+ aBC=aGAC.Bezier();
+ aNbPoles = aBC->NbPoles();
+ aNbWeights = (aBC->IsRational() ? aNbPoles : 0);
+ aDegree = aBC->Degree();
+ aInfo.SetKindOfShape(GEOMAlgo_KS_BEZIER);
+ aInfo.SetKindOfName(GEOMAlgo_KN_CURVEBEZIER);
+ aInfo.SetKindOfPeriod(aBC->IsPeriodic() ? GEOMAlgo_KP_PERIODIC : GEOMAlgo_KP_NONPERIODIC);
aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
- aInfo.SetKindOfName(GEOMAlgo_KN_SEGMENT);
+ aInfo.SetKindOfClosed(aBC->IsClosed() ? GEOMAlgo_KC_CLOSED : GEOMAlgo_KC_NOTCLOSED);
aGAC.D0(aT1, aP1);
aGAC.D0(aT2, aP2);
aInfo.SetPnt1(aP1);
aInfo.SetPnt2(aP2);
//
- aLength=aP1.Distance(aP2);
- aInfo.SetLength(aLength);
- //
- aXYZ1=aP1.XYZ();
- aXYZ2=aP2.XYZ();
- aXYZc=aXYZ1+aXYZ2;
- aXYZc.Multiply(0.5);
- aPc.SetXYZ(aXYZc);
- aInfo.SetLocation(aPc);
- //
- if ( aLength >= gp::Resolution() ) {
- gp_Vec aVec(aPc, aP2);
- gp_Dir aDir(aVec);
- aInfo.SetDirection(aDir);
+ aInfo.SetDegree(aDegree);
+ aInfo.SetNbPoles(aNbPoles);
+ aInfo.SetNbWeights(aNbWeights);
+ // Fill the poles
+ Handle(TColgp_HArray1OfPnt) poles = new TColgp_HArray1OfPnt(1, aNbPoles);
+ for (i=1; i<=aNbPoles; i++)
+ poles->SetValue(i, aBC->Pole(i));
+ aInfo.SetPoles(poles);
+ // Fill the weights
+ if (aNbWeights > 0) {
+ Handle(TColStd_HArray1OfReal) weights = new TColStd_HArray1OfReal(1, aNbWeights);
+ for (i=1; i<=aNbWeights; i++)
+ weights->SetValue(i, aBC->Weight(i));
+ aInfo.SetWeights(weights);
}
- }
+ }// if (aCT==GeomAbs_BezierCurve) {
// Line
else if (aCT==GeomAbs_Line) {
Standard_Boolean bInf1, bInf2;
else {
aInfo.SetKindOfClosed(GEOMAlgo_KC_NOTCLOSED);
aInfo.SetKindOfName(GEOMAlgo_KN_ARCELLIPSE);
- //
- gp_Vec aVecX(aP, aP1);
- gp_Dir aDirX(aVecX);
- gp_Ax2 aAx2new(aP, aAx2.Direction(), aDirX);
- aInfo.SetPosition(aAx2new);
}
}// else if (aCT==GeomAbs_Ellipse) {
+ // Hyperbola
+ else if (aCT==GeomAbs_Hyperbola) {
+ gp_Hypr aHyp;
+ aHyp=aGAC.Hyperbola();
+ aP=aHyp.Location();
+ aAx2=aHyp.Position();
+ aR1=aHyp.MajorRadius();
+ aR2=aHyp.MinorRadius();
+ aInfo.SetKindOfShape(GEOMAlgo_KS_HYPERBOLA);
+ aInfo.SetKindOfName(GEOMAlgo_KN_HYPERBOLA);
+ aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
+ aInfo.SetLocation(aP);
+ aInfo.SetPosition(aAx2);
+ aInfo.SetRadius1(aR1);
+ aInfo.SetRadius2(aR2);
+ //
+ aGAC.D0(aT1, aP1);
+ aGAC.D0(aT2, aP2);
+ aInfo.SetPnt1(aP1);
+ aInfo.SetPnt2(aP2);
+ //
+ }// if (aCT==GeomAbs_Hyperbola) {
+ // Parabola
+ else if (aCT==GeomAbs_Parabola) {
+ gp_Parab aPara;
+ aPara=aGAC.Parabola();
+ aP=aPara.Location();
+ aAx2=aPara.Position();
+ aR1=aPara.Focal();
+ aInfo.SetKindOfShape(GEOMAlgo_KS_PARABOLA);
+ aInfo.SetKindOfName(GEOMAlgo_KN_PARABOLA);
+ aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
+ aInfo.SetLocation(aP);
+ aInfo.SetPosition(aAx2);
+ aInfo.SetRadius1(aR1);
+ //
+ aGAC.D0(aT1, aP1);
+ aGAC.D0(aT2, aP2);
+ aInfo.SetPnt1(aP1);
+ aInfo.SetPnt2(aP2);
+ //
+ }// if (aCT==GeomAbs_Parabola) {
//
FillSubShapes(aS);
}
GeomAbs_Line,
GeomAbs_Circle,
GeomAbs_Ellipse,
- GeomAbs_BSplineCurve
+ GeomAbs_BSplineCurve,
+ GeomAbs_BezierCurve,
+ GeomAbs_Hyperbola,
+ GeomAbs_Parabola
};
//
bRet=Standard_False;
