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#include <BndLib_Add3dCurve.ixx>
#include <GeomAbs_CurveType.hxx>
#include <BndLib.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <gp_Pnt.hxx>
#include <Geom_BezierCurve.hxx>
#include <Geom_BSplineCurve.hxx>
#include <gp_Lin.hxx>
#include <gp_Circ.hxx>
#include <gp_Elips.hxx>
#include <gp_Parab.hxx>
#include <gp_Hypr.hxx>
#include <Precision.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <ElCLib.hxx>
#include <gp_Pnt.hxx>
#include <GeomAdaptor_Curve.hxx>
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BndLib_Add3dCurve::Add( const Adaptor3d_Curve& C,
const Standard_Real Tol,
Bnd_Box& B )
{
BndLib_Add3dCurve::Add(C,
C.FirstParameter(),
C.LastParameter (),
Tol,B);
}
//OCC566(apo)->
static Standard_Real FillBox(Bnd_Box& B, const Adaptor3d_Curve& C,
const Standard_Real first, const Standard_Real last,
const Standard_Integer N)
{
gp_Pnt P1, P2, P3;
C.D0(first,P1); B.Add(P1);
Standard_Real p = first, dp = last-first, tol= 0.;
if(Abs(dp) > Precision::PConfusion()){
Standard_Integer i;
dp /= 2*N;
for(i = 1; i <= N; i++){
p += dp; C.D0(p,P2); B.Add(P2);
p += dp; C.D0(p,P3); B.Add(P3);
gp_Pnt Pc((P1.XYZ()+P3.XYZ())/2.0);
tol = Max(tol,Pc.Distance(P2));
P1 = P3;
}
}else{
C.D0(first,P1); B.Add(P1);
C.D0(last,P3); B.Add(P3);
tol = 0.;
}
return tol;
}
//<-OCC566(apo)
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BndLib_Add3dCurve::Add( const Adaptor3d_Curve& C,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real Tol,
Bnd_Box& B )
{
static Standard_Real weakness = 1.5; //OCC566(apo)
Standard_Real tol = 0.0;
switch (C.GetType()) {
case GeomAbs_Line:
{
BndLib::Add(C.Line(),U1,U2,Tol,B);
break;
}
case GeomAbs_Circle:
{
BndLib::Add(C.Circle(),U1,U2,Tol,B);
break;
}
case GeomAbs_Ellipse:
{
BndLib::Add(C.Ellipse(),U1,U2,Tol,B);
break;
}
case GeomAbs_Hyperbola:
{
BndLib::Add(C.Hyperbola(),U1,U2,Tol,B);
break;
}
case GeomAbs_Parabola:
{
BndLib::Add(C.Parabola(),U1,U2,Tol,B);
break;
}
case GeomAbs_BezierCurve:
{
Handle(Geom_BezierCurve) Bz = C.Bezier();
//OCC566(apo)->
Standard_Integer N = Bz->Degree();
GeomAdaptor_Curve GACurve(Bz);
Bnd_Box B1;
tol = FillBox(B1,GACurve,U1,U2,N);
B1.Enlarge(weakness*tol);
Standard_Real x, y, z, X, Y, Z;
B1.Get(x, y, z, X, Y, Z);
B.Update(x, y, z, X, Y, Z);
B.Enlarge(Tol);
//<-OCC566(apo)
break;
}
case GeomAbs_BSplineCurve:
{
Handle(Geom_BSplineCurve) Bs = C.BSpline();
if(Abs(Bs->FirstParameter() - U1) > Precision::Parametric(Tol)||
Abs(Bs->LastParameter() - U2) > Precision::Parametric(Tol)) {
Handle(Geom_Geometry) G = Bs->Copy();
Handle(Geom_BSplineCurve)& Bsaux = (*((Handle(Geom_BSplineCurve)*)&G));
Standard_Real u1 = U1, u2 = U2;
//// modified by jgv, 24.10.01 for BUC61031 ////
if (Bsaux->IsPeriodic())
ElCLib::AdjustPeriodic( Bsaux->FirstParameter(), Bsaux->LastParameter(), Precision::PConfusion(), u1, u2 );
////////////////////////////////////////////////
// modified by NIZHNY-EAP Fri Dec 3 14:29:14 1999 ___BEGIN___
// To avoid exeption in Segment
if(Bsaux->FirstParameter() > U1) u1 = Bsaux->FirstParameter();
if(Bsaux->LastParameter() < U2 ) u2 = Bsaux->LastParameter();
// modified by NIZHNY-EAP Fri Dec 3 14:29:18 1999 ___END___
Bsaux->Segment(u1, u2);
Bs = Bsaux;
}
//OCC566(apo)->
Bnd_Box B1;
Standard_Integer k, k1 = Bs->FirstUKnotIndex(), k2 = Bs->LastUKnotIndex(),
N = Bs->Degree(), NbKnots = Bs->NbKnots();
TColStd_Array1OfReal Knots(1,NbKnots);
Bs->Knots(Knots);
GeomAdaptor_Curve GACurve(Bs);
Standard_Real first = Knots(k1), last;
for(k = k1 + 1; k <= k2; k++){
last = Knots(k);
tol = Max(FillBox(B1,GACurve,first,last,N), tol);
first = last;
}
if (!B1.IsVoid())
{
B1.Enlarge(weakness*tol);
Standard_Real x, y, z, X, Y, Z;
B1.Get(x, y, z, X, Y, Z);
B.Update(x, y, z, X, Y, Z);
B.Enlarge(Tol);
}
//<-OCC566(apo)
break;
}
default:
{
Bnd_Box B1;
static Standard_Integer N = 33;
tol = FillBox(B1,C,U1,U2,N);
B1.Enlarge(weakness*tol);
Standard_Real x, y, z, X, Y, Z;
B1.Get(x, y, z, X, Y, Z);
B.Update(x, y, z, X, Y, Z);
B.Enlarge(Tol);
}
}
}
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