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1 | -- Created on: 1997-11-06 |
| 2 | -- Created by: Roman BORISOV |
| 3 | -- Copyright (c) 1997-1999 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 | |
| 17 | private class PrjFunc from ProjLib inherits FunctionSetWithDerivatives from math |
| 18 | |
| 19 | ---Purpose: |
| 20 | |
| 21 | uses |
| 22 | Vector from math, |
| 23 | Matrix from math, |
| 24 | CurvePtr from Adaptor3d, |
| 25 | SurfacePtr from Adaptor3d, |
| 26 | Pnt2d from gp |
| 27 | |
| 28 | raises ConstructionError |
| 29 | |
| 30 | is |
| 31 | Create (C: CurvePtr from Adaptor3d; FixVal: Real from Standard; S: SurfacePtr from Adaptor3d; Fix: Integer) |
| 32 | returns PrjFunc |
| 33 | raises ConstructionError; |
| 34 | |
| 35 | NbVariables(me) |
| 36 | ---Purpose: returns the number of variables of the function. |
| 37 | |
| 38 | returns Integer; |
| 39 | |
| 40 | NbEquations(me) |
| 41 | ---Purpose: returns the number of equations of the function. |
| 42 | |
| 43 | returns Integer; |
| 44 | |
| 45 | Value(me: in out; X: Vector from math; F: out Vector from math) |
| 46 | ---Purpose: computes the values <F> of the Functions for the |
| 47 | -- variable <X>. |
| 48 | -- Returns True if the computation was done successfully, |
| 49 | -- False otherwise. |
| 50 | |
| 51 | returns Boolean; |
| 52 | |
| 53 | Derivatives(me: in out; X: Vector from math; D: out Matrix from math) |
| 54 | ---Purpose: returns the values <D> of the derivatives for the |
| 55 | -- variable <X>. |
| 56 | -- Returns True if the computation was done successfully, |
| 57 | -- False otherwise. |
| 58 | |
| 59 | returns Boolean; |
| 60 | |
| 61 | Values(me: in out; X: Vector from math; F: out Vector from math; D: out Matrix from math) |
| 62 | ---Purpose: returns the values <F> of the functions and the derivatives |
| 63 | -- <D> for the variable <X>. |
| 64 | -- Returns True if the computation was done successfully, |
| 65 | -- False otherwise. |
| 66 | |
| 67 | returns Boolean; |
| 68 | |
| 69 | Solution(me) returns Pnt2d from gp; |
| 70 | ---Purpose: returns point on surface |
| 71 | |
| 72 | fields |
| 73 | |
| 74 | myCurve : CurvePtr from Adaptor3d; |
| 75 | mySurface : SurfacePtr from Adaptor3d; |
| 76 | myt : Real from Standard; |
| 77 | myU, myV : Real from Standard; |
| 78 | myFix : Integer from Standard; |
| 79 | myNorm : Real from Standard; |
| 80 | end PrjFunc; |
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