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PAL8395: Improve RemoveExtraEdges

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This commit is contained in:
jfa 2005-03-15 12:06:31 +00:00
parent 7fcf66f794
commit ae7c4964bf
1 changed files with 22 additions and 4 deletions
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26
src/GEOMAlgo/BlockFix_SphereSpaceModifier.cxx
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@ -65,16 +65,35 @@ static Standard_Boolean ModifySurface(const TopoDS_Face& aFace,
ShapeAnalysis::GetFaceUVBounds(aFace,Umin, Umax, Vmin, Vmax);
Standard_Real PI2 = PI/2.;
if(Vmax > PI2 - Precision::PConfusion() || Vmin < -PI2+::Precision::PConfusion()) {
Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(S);
gp_Sphere sp = aSphere->Sphere();
gp_Ax3 ax3 = sp.Position();
if(Abs(Vmax-Vmin) < PI2) {
Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(S);
gp_Sphere sp = aSphere->Sphere();
gp_Ax3 ax3 = sp.Position();
gp_Ax3 axnew3(ax3.Axis().Location(), ax3.Direction()^ax3.XDirection(),ax3.XDirection());
sp.SetPosition(axnew3);
Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(sp);
aNewSurface = aNewSphere;
return Standard_True;
}
else {
gp_Pnt PC = ax3.Location();
Standard_Real Vpar;
if(fabs(PI2-Vmax)>fabs(-PI2-Vmin))
Vpar = (PI2+Vmax)/2.;
else
Vpar = (-PI2+Vmin)/2.;
Standard_Real Upar = (Umin+Umax)/2.;;
gp_Pnt PN,PX;
S->D0(Upar,Vpar,PN);
S->D0(Upar+PI2,0.,PX);
gp_Dir newNorm(gp_Vec(PC,PN));
gp_Dir newDirX(gp_Vec(PC,PX));
gp_Ax3 axnew3(ax3.Axis().Location(), newNorm, newDirX);
sp.SetPosition(axnew3);
Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(sp);
aNewSurface = aNewSphere;
return Standard_True;
}
}
}
return Standard_False;
@ -221,4 +240,3 @@ GeomAbs_Shape BlockFix_SphereSpaceModifier::Continuity(const TopoDS_Edge& E,cons
{
return BRep_Tool::Continuity(E,F1,F2);
}