| 7fd59977 |
1 | // File: BSplSLib.lxx |
| 2 | // Created: Thu Nov 25 17:03:25 1993 |
| 3 | // Author: Bruno DUMORTIER |
| 4 | // <dub@nonox> |
| 5 | |
| 6 | #include <BSplCLib.hxx> |
| 7 | #include <TColgp_Array2OfPnt.hxx> |
| 8 | #include <TColStd_Array2OfReal.hxx> |
| 9 | |
| 10 | //======================================================================= |
| 11 | //function : CoefsD0 |
| 12 | //purpose : |
| 13 | //======================================================================= |
| 14 | |
| 15 | inline void BSplSLib::CoefsD0(const Standard_Real U, |
| 16 | const Standard_Real V, |
| 17 | const TColgp_Array2OfPnt& Poles, |
| 18 | const TColStd_Array2OfReal& Weights, |
| 19 | gp_Pnt& Point) |
| 20 | { |
| 21 | BSplSLib::CacheD0(U, V, |
| 22 | Poles.RowLength() - 1, Poles.ColLength() - 1, |
| 23 | 0., 0., 1., 1., |
| 24 | Poles, Weights, Point); |
| 25 | } |
| 26 | |
| 27 | //======================================================================= |
| 28 | //function : CoefsD1 |
| 29 | //purpose : |
| 30 | //======================================================================= |
| 31 | |
| 32 | inline void BSplSLib::CoefsD1(const Standard_Real U, |
| 33 | const Standard_Real V, |
| 34 | const TColgp_Array2OfPnt& Poles, |
| 35 | const TColStd_Array2OfReal& Weights, |
| 36 | gp_Pnt& Point, |
| 37 | gp_Vec& VecU, |
| 38 | gp_Vec& VecV) |
| 39 | { |
| 40 | BSplSLib::CacheD1(U, V, |
| 41 | Poles.RowLength() - 1, Poles.ColLength() - 1, |
| 42 | 0., 0., 1., 1., |
| 43 | Poles, Weights, Point, VecU, VecV); |
| 44 | } |
| 45 | |
| 46 | //======================================================================= |
| 47 | //function : CoefsD2 |
| 48 | //purpose : |
| 49 | //======================================================================= |
| 50 | |
| 51 | inline void BSplSLib::CoefsD2(const Standard_Real U, |
| 52 | const Standard_Real V, |
| 53 | const TColgp_Array2OfPnt& Poles, |
| 54 | const TColStd_Array2OfReal& Weights, |
| 55 | gp_Pnt& Point, |
| 56 | gp_Vec& VecU, |
| 57 | gp_Vec& VecV, |
| 58 | gp_Vec& VecUU, |
| 59 | gp_Vec& VecUV, |
| 60 | gp_Vec& VecVV) |
| 61 | { |
| 62 | BSplSLib::CacheD2(U, V, |
| 63 | Poles.RowLength() - 1, Poles.ColLength() - 1, |
| 64 | 0., 0., 1., 1., |
| 65 | Poles, Weights, Point, VecU, VecV, |
| 66 | VecUU, VecUV, VecVV); |
| 67 | } |
| 68 | |
| 69 | |
| 70 | //======================================================================= |
| 71 | //function : PolesCoefficients |
| 72 | //purpose : |
| 73 | //======================================================================= |
| 74 | |
| 75 | inline void BSplSLib::PolesCoefficients(const TColgp_Array2OfPnt& Poles, |
| 76 | TColgp_Array2OfPnt& CachePoles) |
| 77 | { |
| 78 | BSplSLib::PolesCoefficients(Poles, BSplSLib::NoWeights(), |
| 79 | CachePoles, BSplSLib::NoWeights()); |
| 80 | } |
| 81 | |
| 82 | //======================================================================= |
| 83 | //function : NoWeights |
| 84 | //purpose : |
| 85 | //======================================================================= |
| 86 | |
| 87 | inline TColStd_Array2OfReal& BSplSLib::NoWeights() |
| 88 | { |
| 89 | return (*((TColStd_Array2OfReal*) NULL)); |
| 90 | } |
| 91 | |
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