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1 | // Created on: 1998-05-18 |
2 | // Created by: Andre LIEUTIER |
3 | // Copyright (c) 1998-1999 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 | #include <Plate_LineConstraint.ixx> |
18 | |
19 | Plate_LineConstraint::Plate_LineConstraint(const gp_XY& point2d, |
20 | const gp_Lin& lin, |
21 | const Standard_Integer iu, |
22 | const Standard_Integer iv) |
23 | :myLSC(2,1) |
24 | { |
25 | gp_XYZ point = lin.Location().XYZ(); |
26 | myLSC.SetPPC(1,Plate_PinpointConstraint(point2d,point,iu,iv)); |
27 | |
28 | gp_XYZ dir = lin.Direction().XYZ(); |
29 | // one builds two directions orthogonal to dir |
30 | gp_XYZ dX(1,0,0); |
31 | gp_XYZ dY(0,1,0); |
32 | |
33 | gp_XYZ d1 = dX ^ dir; |
34 | gp_XYZ d2 = dY ^ dir; |
35 | if(d2.SquareModulus() > d1.SquareModulus()) d1 = d2; |
36 | d1.Normalize(); |
37 | d2 = dir ^ d1; |
38 | d2.Normalize(); |
39 | myLSC.SetCoeff(1,1,d1); |
40 | myLSC.SetCoeff(2,1,d2); |
41 | } |