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0024738: BRepOffsetAPI_MakePipe algorithm fails on circular path and section (the case where result is part of sphere)

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Test case for issue CR24738
This commit is contained in:
jgv
2014-03-27 16:59:41 +04:00
committed by bugmaster
parent b9cd9e62c3
commit 9ba2c30f1a
3 changed files with 68 additions and 15 deletions
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37
src/GeomFill/GeomFill_Sweep.cxx
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@@ -31,6 +31,7 @@
#include <gp_GTrsf.hxx>
#include <gp_Mat.hxx>
#include <gp_Ax2.hxx>
#include <gp_Sphere.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColgp_Array2OfPnt.hxx>
@@ -59,6 +60,7 @@
#include <Geom_SphericalSurface.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Approx_SweepApproximation.hxx>
#include <AdvApprox_PrefAndRec.hxx>
@@ -67,6 +69,7 @@
#include <Precision.hxx>
#include <ElCLib.hxx>
#include <ElSLib.hxx>
//=======================================================================
//class : GeomFill_Sweep_Eval
@@ -843,25 +846,33 @@ static Standard_Boolean IsSweepParallelSpine (const Handle(GeomFill_LocationLaw)
Standard_Real f = UFirst , l = ULast;
SError = error;
Centre.BaryCenter(1.0, C.Location(), 1.0);
gp_Ax3 AxisOfSphere(Centre, DN, DS);
S = new (Geom_SphericalSurface)
(AxisOfSphere, (RotRadius + C.Radius())/2 );
gp_Ax3 AxisOfSphere(Centre, DN, DS);
gp_Sphere theSphere( AxisOfSphere, (RotRadius + C.Radius())/2 );
S = new Geom_SphericalSurface(theSphere);
// Pour les spheres on ne peut pas controler le parametre
// V (donc U car myExchUV = Standard_True)
// Il faut donc modifier UFirst, ULast...
if (C.Position().Direction().
IsOpposite(AxisOfSphere.YDirection(), 0.1) ) {
Standard_Real fpar = AC.FirstParameter();
Standard_Real lpar = AC.LastParameter();
Handle(Geom_Curve) theSection = new Geom_TrimmedCurve(Section, fpar, lpar);
theSection->Transform(Tf2);
gp_Pnt FirstPoint = theSection->Value(theSection->FirstParameter());
gp_Pnt LastPoint = theSection->Value(theSection->LastParameter());
Standard_Real UfirstOnSec, VfirstOnSec, UlastOnSec, VlastOnSec;
ElSLib::Parameters(theSphere, FirstPoint, UfirstOnSec, VfirstOnSec);
ElSLib::Parameters(theSphere, LastPoint, UlastOnSec, VlastOnSec);
if (VfirstOnSec < VlastOnSec)
{
f = VfirstOnSec;
l = VlastOnSec;
}
else
{
// L'orientation parametrique est inversee
l = 2*M_PI - UFirst;
f = 2*M_PI - ULast;
f = VlastOnSec;
l = VfirstOnSec;
isUReversed = Standard_True;
}
// On calcul le "glissement" parametrique.
Standard_Real rot;
rot = C.Position().XDirection().AngleWithRef
(AxisOfSphere.XDirection(), AxisOfSphere.YDirection());
f -= rot;
l -= rot;
if ( (f >= -M_PI/2) && (l <= M_PI/2)) {
Ok = Standard_True;