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1 | // File: BRepLProp_SurfaceTool.cxx |
| 2 | // Created: Thu Feb 24 16:44:32 1994 |
| 3 | // Author: Laurent BOURESCHE |
| 4 | // <lbo@nonox> |
| 5 | |
| 6 | |
| 7 | #include <BRepLProp_SurfaceTool.ixx> |
| 8 | |
| 9 | //======================================================================= |
| 10 | //function : Value |
| 11 | //purpose : |
| 12 | //======================================================================= |
| 13 | |
| 14 | void BRepLProp_SurfaceTool::Value(const BRepAdaptor_Surface& S, |
| 15 | const Standard_Real U, |
| 16 | const Standard_Real V, |
| 17 | gp_Pnt& P) |
| 18 | { |
| 19 | P = S.Value(U, V); |
| 20 | } |
| 21 | |
| 22 | |
| 23 | //======================================================================= |
| 24 | //function : D1 |
| 25 | //purpose : |
| 26 | //======================================================================= |
| 27 | |
| 28 | void BRepLProp_SurfaceTool::D1(const BRepAdaptor_Surface& S, |
| 29 | const Standard_Real U, |
| 30 | const Standard_Real V, |
| 31 | gp_Pnt& P, |
| 32 | gp_Vec& D1U, |
| 33 | gp_Vec& D1V) |
| 34 | { |
| 35 | S.D1(U, V, P, D1U, D1V); |
| 36 | } |
| 37 | |
| 38 | |
| 39 | //======================================================================= |
| 40 | //function : D2 |
| 41 | //purpose : |
| 42 | //======================================================================= |
| 43 | |
| 44 | void BRepLProp_SurfaceTool::D2(const BRepAdaptor_Surface& S, |
| 45 | const Standard_Real U, |
| 46 | const Standard_Real V, |
| 47 | gp_Pnt& P, |
| 48 | gp_Vec& D1U, |
| 49 | gp_Vec& D1V, |
| 50 | gp_Vec& D2U, |
| 51 | gp_Vec& D2V, |
| 52 | gp_Vec& DUV) |
| 53 | { |
| 54 | S.D2(U, V, P, D1U, D1V, D2U, D2V, DUV); |
| 55 | } |
| 56 | |
| 57 | //======================================================================= |
| 58 | //function : DN |
| 59 | //purpose : |
| 60 | //======================================================================= |
| 61 | gp_Vec BRepLProp_SurfaceTool::DN(const BRepAdaptor_Surface& S, |
| 62 | const Standard_Real U, |
| 63 | const Standard_Real V, |
| 64 | const Standard_Integer IU, |
| 65 | const Standard_Integer IV) |
| 66 | { |
| 67 | return S.DN(U, V, IU, IV); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | //======================================================================= |
| 72 | //function : Continuity |
| 73 | //purpose : |
| 74 | //======================================================================= |
| 75 | |
| 76 | Standard_Integer BRepLProp_SurfaceTool::Continuity |
| 77 | (const BRepAdaptor_Surface& S) |
| 78 | { |
| 79 | GeomAbs_Shape s = (GeomAbs_Shape) Min(S.UContinuity(),S.VContinuity()); |
| 80 | switch (s) { |
| 81 | case GeomAbs_C0: |
| 82 | return 0; |
| 83 | case GeomAbs_C1: |
| 84 | return 1; |
| 85 | case GeomAbs_C2: |
| 86 | return 2; |
| 87 | case GeomAbs_C3: |
| 88 | return 3; |
| 89 | case GeomAbs_G1: |
| 90 | return 0; |
| 91 | case GeomAbs_G2: |
| 92 | return 0; |
| 93 | case GeomAbs_CN: |
| 94 | return 3; |
| 95 | }; |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | |
| 100 | //======================================================================= |
| 101 | //function : Bounds |
| 102 | //purpose : |
| 103 | //======================================================================= |
| 104 | |
| 105 | void BRepLProp_SurfaceTool::Bounds(const BRepAdaptor_Surface& S, |
| 106 | Standard_Real& U1, |
| 107 | Standard_Real& V1, |
| 108 | Standard_Real& U2, |
| 109 | Standard_Real& V2) |
| 110 | { |
| 111 | U1 = S.FirstUParameter(); |
| 112 | V1 = S.FirstVParameter(); |
| 113 | U2 = S.LastUParameter(); |
| 114 | V2 = S.LastVParameter(); |
| 115 | } |
| 116 | |
| 117 | |
| 118 | |
| 119 | |
| 120 | |
| 121 | |
| 122 | |
| 123 | |
projects / occt.git / blame