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0024682: Move out B-spline cache from curves and surfaces to dedicated classes BSplCLib_Cache and BSplSLib_Cache

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1. B-spline cache was moved into separated classes: BSplCLib_Cache for 2D and 3D curves and BSplSLib_Cache for surfaces.

2. The cache is used now in corresponding adaptor classes (Geom2dAdaptor_Curve, GeomAdaptor_Curve and GeomAdaptor_Surface) when the curve or surface is a B-spline.

3. Algorithms were changed to use adaptors for B-spline calculations instead of curves or surfaces.

4. Precised calculation of derivatives of surface of revolution is implemented for the points of surface placed on the axis of revolution (Geom_SurfaceOfRevolution.cxx)

5. Small modifications are made to adjust algorithms to new behavior of B-spline calculation.

6. Test cases were modified according to the modern behavior.

7. Changes in BOPAlgo_WireSplitter, BOPTools_AlgoTools, BRepLib_CheckCurveOnSurface and ShapeAnalysis_Wire to use adaptors instead of geometric entities

8. Allow Geom2dAdaptor and GeomAdaptor in case of offset curve to use corresponding adaptor for basis curve

Modification of test-cases according to the new behavior.
This commit is contained in:
azv
2015-05-28 13:36:57 +03:00
committed by bugmaster
parent 9176540c64
commit 94f71cad33
137 changed files with 4104 additions and 2503 deletions
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18
src/GeomInt/GeomInt_IntSS_1.cxx
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@@ -958,13 +958,19 @@ void GeomInt_IntSS::MakeCurve(const Standard_Integer Index,
Standard_Real aDist = Max(BS->StartPoint().XYZ().SquareModulus(),
BS->EndPoint().XYZ().SquareModulus());
Standard_Real eps = Epsilon(aDist);
if(BS->StartPoint().SquareDistance(BS->EndPoint()) < 2.*eps &&
!BS->IsClosed() && !BS->IsPeriodic())
if(BS->StartPoint().SquareDistance(BS->EndPoint()) < 2.*eps)
{
//force Closed()
gp_Pnt aPm((BS->Pole(1).XYZ() + BS->Pole(BS->NbPoles()).XYZ()) / 2.);
BS->SetPole(1, aPm);
BS->SetPole(BS->NbPoles(), aPm);
// Avoid creating B-splines containing two coincident poles only
if (mbspc.Degree() == 1 && nbpoles == 2)
continue;
if (!BS->IsClosed() && !BS->IsPeriodic())
{
//force Closed()
gp_Pnt aPm((BS->Pole(1).XYZ() + BS->Pole(BS->NbPoles()).XYZ()) / 2.);
BS->SetPole(1, aPm);
BS->SetPole(BS->NbPoles(), aPm);
}
}
sline.Append(BS);