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0025763: SSP sample is unable to build the proper surface on the given cloud of points

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Some improvements to work with periodic splines
This commit is contained in:
anv 2015-03-23 11:23:49 +03:00 committed by bugmaster
parent d09dda0929
commit ecbdb1b027
4 changed files with 14 additions and 7 deletions
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6
src/BSplCLib/BSplCLib.cdl
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@ -296,7 +296,8 @@ is
KnotSequence (Knots : Array1OfReal from TColStd; KnotSequence (Knots : Array1OfReal from TColStd;
Mults : Array1OfInteger from TColStd; Mults : Array1OfInteger from TColStd;
KnotSeq : in out Array1OfReal from TColStd); KnotSeq : in out Array1OfReal from TColStd;
Periodic : Boolean = Standard_False);
KnotSequence (Knots : Array1OfReal from TColStd; KnotSequence (Knots : Array1OfReal from TColStd;
Mults : Array1OfInteger from TColStd; Mults : Array1OfInteger from TColStd;
@ -1278,7 +1279,8 @@ is
FlatKnots : Array1OfReal from TColStd ; FlatKnots : Array1OfReal from TColStd ;
Parameter : in Real ; Parameter : in Real ;
FirstNonZeroBsplineIndex : in out Integer ; FirstNonZeroBsplineIndex : in out Integer ;
BsplineBasis : in out Matrix from math) BsplineBasis : in out Matrix from math ;
isPeriodic : in Boolean = Standard_False)
returns Integer ; returns Integer ;
---Purpose: This evaluates the Bspline Basis at a ---Purpose: This evaluates the Bspline Basis at a

5
src/BSplCLib/BSplCLib.cxx
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@ -430,9 +430,10 @@ Standard_Integer BSplCLib::KnotSequenceLength
void BSplCLib::KnotSequence void BSplCLib::KnotSequence
(const TColStd_Array1OfReal& Knots, (const TColStd_Array1OfReal& Knots,
const TColStd_Array1OfInteger& Mults, const TColStd_Array1OfInteger& Mults,
TColStd_Array1OfReal& KnotSeq) TColStd_Array1OfReal& KnotSeq,
const Standard_Boolean Periodic)
{ {
BSplCLib::KnotSequence(Knots,Mults,0,Standard_False,KnotSeq); BSplCLib::KnotSequence(Knots,Mults,0,Periodic,KnotSeq);
} }
//======================================================================= //=======================================================================

5
src/BSplCLib/BSplCLib_2.cxx
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@ -438,7 +438,8 @@ BSplCLib::EvalBsplineBasis
const TColStd_Array1OfReal& FlatKnots, const TColStd_Array1OfReal& FlatKnots,
const Standard_Real Parameter, const Standard_Real Parameter,
Standard_Integer& FirstNonZeroBsplineIndex, Standard_Integer& FirstNonZeroBsplineIndex,
math_Matrix& BsplineBasis) math_Matrix& BsplineBasis,
Standard_Boolean isPeriodic)
{ {
// the matrix must have at least DerivativeRequest + 1 // the matrix must have at least DerivativeRequest + 1
// row and Order columns // row and Order columns
@ -497,7 +498,7 @@ BSplCLib::EvalBsplineBasis
BSplCLib::LocateParameter(Order - 1, BSplCLib::LocateParameter(Order - 1,
FlatKnots, FlatKnots,
Parameter, Parameter,
Standard_False, isPeriodic,
Order, Order,
NumPoles+1, NumPoles+1,
ii, ii,

3
src/GeomConvert/GeomConvert_1.cxx
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@ -702,6 +702,9 @@ Handle(Geom_BSplineSurface) GeomConvert::SurfaceToBSplineSurface
if (V2 > vmax) if (V2 > vmax)
V2 = vmax; V2 = vmax;
} }
if (BS->IsUPeriodic() || BS->IsVPeriodic())
BS->CheckAndSegment (U1, U2, V1, V2);
else
BS->Segment (U1, U2, V1, V2); BS->Segment (U1, U2, V1, V2);
TheSurface = BS; TheSurface = BS;
} }