| 1 | // Created on: 1994-02-24 |
| 2 | // Created by: Laurent BOURESCHE |
| 3 | // Copyright (c) 1994-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | |
| 18 | #include <Adaptor3d_HSurface.hxx> |
| 19 | #include <gp_Pnt.hxx> |
| 20 | #include <gp_Vec.hxx> |
| 21 | #include <LProp3d_SurfaceTool.hxx> |
| 22 | |
| 23 | //======================================================================= |
| 24 | //function : Value |
| 25 | //purpose : |
| 26 | //======================================================================= |
| 27 | void LProp3d_SurfaceTool::Value(const Handle(Adaptor3d_HSurface)& S, |
| 28 | const Standard_Real U, |
| 29 | const Standard_Real V, |
| 30 | gp_Pnt& P) |
| 31 | { |
| 32 | P = S->Value(U, V); |
| 33 | } |
| 34 | |
| 35 | |
| 36 | //======================================================================= |
| 37 | //function : D1 |
| 38 | //purpose : |
| 39 | //======================================================================= |
| 40 | |
| 41 | void LProp3d_SurfaceTool::D1(const Handle(Adaptor3d_HSurface)& S, |
| 42 | const Standard_Real U, |
| 43 | const Standard_Real V, |
| 44 | gp_Pnt& P, |
| 45 | gp_Vec& D1U, |
| 46 | gp_Vec& D1V) |
| 47 | { |
| 48 | S->D1(U, V, P, D1U, D1V); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | //======================================================================= |
| 53 | //function : D2 |
| 54 | //purpose : |
| 55 | //======================================================================= |
| 56 | |
| 57 | void LProp3d_SurfaceTool::D2(const Handle(Adaptor3d_HSurface)& S, |
| 58 | const Standard_Real U, |
| 59 | const Standard_Real V, |
| 60 | gp_Pnt& P, |
| 61 | gp_Vec& D1U, |
| 62 | gp_Vec& D1V, |
| 63 | gp_Vec& D2U, |
| 64 | gp_Vec& D2V, |
| 65 | gp_Vec& DUV) |
| 66 | { |
| 67 | S->D2(U, V, P, D1U, D1V, D2U, D2V, DUV); |
| 68 | } |
| 69 | |
| 70 | //======================================================================= |
| 71 | //function : DN |
| 72 | //purpose : |
| 73 | //======================================================================= |
| 74 | gp_Vec LProp3d_SurfaceTool::DN(const Handle(Adaptor3d_HSurface)& S, |
| 75 | const Standard_Real U, |
| 76 | const Standard_Real V, |
| 77 | const Standard_Integer IU, |
| 78 | const Standard_Integer IV) |
| 79 | { |
| 80 | return S->DN(U, V, IU, IV); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | //======================================================================= |
| 85 | //function : Continuity |
| 86 | //purpose : |
| 87 | //======================================================================= |
| 88 | |
| 89 | Standard_Integer LProp3d_SurfaceTool::Continuity |
| 90 | (const Handle(Adaptor3d_HSurface)& S) |
| 91 | { |
| 92 | GeomAbs_Shape s = (GeomAbs_Shape) Min(S->UContinuity(),S->VContinuity()); |
| 93 | switch (s) { |
| 94 | case GeomAbs_C0: |
| 95 | return 0; |
| 96 | case GeomAbs_C1: |
| 97 | return 1; |
| 98 | case GeomAbs_C2: |
| 99 | return 2; |
| 100 | case GeomAbs_C3: |
| 101 | return 3; |
| 102 | case GeomAbs_G1: |
| 103 | return 0; |
| 104 | case GeomAbs_G2: |
| 105 | return 0; |
| 106 | case GeomAbs_CN: |
| 107 | return 3; |
| 108 | }; |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | |
| 113 | //======================================================================= |
| 114 | //function : Bounds |
| 115 | //purpose : |
| 116 | //======================================================================= |
| 117 | |
| 118 | void LProp3d_SurfaceTool::Bounds(const Handle(Adaptor3d_HSurface)& S, |
| 119 | Standard_Real& U1, |
| 120 | Standard_Real& V1, |
| 121 | Standard_Real& U2, |
| 122 | Standard_Real& V2) |
| 123 | { |
| 124 | U1 = S->FirstUParameter(); |
| 125 | V1 = S->FirstVParameter(); |
| 126 | U2 = S->LastUParameter(); |
| 127 | V2 = S->LastVParameter(); |
| 128 | } |
| 129 | |
| 130 | |
| 131 | |
| 132 | |
| 133 | |
| 134 | |
| 135 | |
| 136 | |