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1 | // Created on: 1992-10-21 |
| 2 | // Created by: Laurent BUCHARD |
| 3 | // Copyright (c) 1992-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
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16 | |
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17 | #ifndef OCCT_DEBUG |
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18 | #define No_Standard_RangeError |
| 19 | #define No_Standard_OutOfRange |
| 20 | #endif |
| 21 | |
| 22 | |
| 23 | |
| 24 | #include <math_Vector.hxx> |
| 25 | #include <math_Matrix.hxx> |
| 26 | |
| 27 | #include <gp_Vec2d.hxx> |
| 28 | #include <gp_Pnt2d.hxx> |
| 29 | |
| 30 | |
| 31 | #define THECURVE1 (*((TheCurve *)thecurve1)) |
| 32 | #define THECURVE2 (*((TheCurve *)thecurve2)) |
| 33 | |
| 34 | //====================================================================== |
| 35 | IntCurve_DistBetweenPCurvesGen::IntCurve_DistBetweenPCurvesGen( const TheCurve& C1 |
| 36 | ,const TheCurve& C2) { |
| 37 | thecurve1 = (Standard_Address) (&C1); |
| 38 | thecurve2 = (Standard_Address )(&C2); |
| 39 | } |
| 40 | //====================================================================== |
| 41 | Standard_Integer IntCurve_DistBetweenPCurvesGen::NbVariables(void) const { |
| 42 | return(2); |
| 43 | } |
| 44 | //====================================================================== |
| 45 | Standard_Integer IntCurve_DistBetweenPCurvesGen::NbEquations(void) const { |
| 46 | return(2); |
| 47 | } |
| 48 | //====================================================================== |
| 49 | Standard_Boolean IntCurve_DistBetweenPCurvesGen::Value |
| 50 | (const math_Vector& X |
| 51 | ,math_Vector& F) |
| 52 | { |
| 53 | gp_Pnt2d P1,P2; |
| 54 | TheCurveTool::D0(THECURVE1,X(1),P1); |
| 55 | TheCurveTool::D0(THECURVE2,X(2),P2); |
| 56 | F(1) = P1.X() - P2.X(); |
| 57 | F(2) = P1.Y() - P2.Y(); |
| 58 | return(Standard_True); |
| 59 | } |
| 60 | //====================================================================== |
| 61 | Standard_Boolean IntCurve_DistBetweenPCurvesGen::Derivatives |
| 62 | (const math_Vector& X |
| 63 | ,math_Matrix& D) |
| 64 | { |
| 65 | gp_Vec2d T; |
| 66 | gp_Pnt2d P; |
| 67 | TheCurveTool::D1(THECURVE1,X(1),P,T); |
| 68 | D.Value(1,1) = T.X(); |
| 69 | D.Value(2,1) = T.Y(); |
| 70 | |
| 71 | TheCurveTool::D1(THECURVE2,X(2),P,T); |
| 72 | D.Value(1,2) = -(T.X()); |
| 73 | D.Value(2,2) = -(T.Y()); |
| 74 | |
| 75 | return(Standard_True); |
| 76 | } |
| 77 | //====================================================================== |
| 78 | Standard_Boolean IntCurve_DistBetweenPCurvesGen::Values |
| 79 | (const math_Vector& X |
| 80 | ,math_Vector& F |
| 81 | ,math_Matrix& D) |
| 82 | { |
| 83 | |
| 84 | gp_Vec2d T; |
| 85 | gp_Pnt2d P1,P2; |
| 86 | |
| 87 | TheCurveTool::D1(THECURVE1,X(1),P1,T); |
| 88 | D.Value(1,1) = T.X(); |
| 89 | D.Value(2,1) = T.Y(); |
| 90 | |
| 91 | TheCurveTool::D1(THECURVE2,X(2),P2,T); |
| 92 | D.Value(1,2) = -(T.X()); |
| 93 | D.Value(2,2) = -(T.Y()); |
| 94 | |
| 95 | F.Value(1) = P1.X() - P2.X(); |
| 96 | F.Value(2) = P1.Y() - P2.Y(); |
| 97 | |
| 98 | return(Standard_True); |
| 99 | } |
| 100 | //====================================================================== |
| 101 | |
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