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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
// Created on: 1994-04-05
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// Created by: Yves FRICAUD
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Bisector_FunctionH.hxx>
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#include <Geom2d_Curve.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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//=============================================================================
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//function :
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// purpose :
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//=============================================================================
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Bisector_FunctionH::Bisector_FunctionH (const Handle(Geom2d_Curve)& C2,
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const gp_Pnt2d& P1,
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const gp_Vec2d& T1)
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:p1(P1),t1(T1)
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{
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t1.Normalize();
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curve2 = C2;
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}
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//=============================================================================
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//function : Value
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// purpose :
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// F = P1P2.(||T2||T1 + T2)
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//=============================================================================
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Standard_Boolean Bisector_FunctionH::Value (const Standard_Real X,
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Standard_Real& F)
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{
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gp_Pnt2d P2 ; // point sur C2.
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gp_Vec2d T2 ; // tangente a C2 en V.
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curve2->D1(X,P2,T2);
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Standard_Real NormT2 = T2.Magnitude();
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Standard_Real Ax = NormT2*t1.X() - T2.X();
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Standard_Real Ay = NormT2*t1.Y() - T2.Y();
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F = (p1.X() - P2.X())*Ax + (p1.Y() - P2.Y())*Ay;
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return Standard_True;
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}
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//=============================================================================
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//function : Derivative
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// purpose :
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//=============================================================================
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Standard_Boolean Bisector_FunctionH::Derivative(const Standard_Real X,
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Standard_Real& D)
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{
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Standard_Real F;
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return Values (X,F,D);
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}
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//=============================================================================
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//function : Values
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// purpose :
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//=============================================================================
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Standard_Boolean Bisector_FunctionH::Values (const Standard_Real X,
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Standard_Real& F,
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Standard_Real& D)
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{
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gp_Pnt2d P2 ; // point sur C2.
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gp_Vec2d T2 ; // tangente a C2 en V.
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gp_Vec2d T2v ; // derivee seconde a C2 en V.
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curve2->D2(X,P2,T2,T2v);
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Standard_Real NormT2 = T2.Magnitude();
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Standard_Real Ax = NormT2*t1.X() - T2.X();
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Standard_Real Ay = NormT2*t1.Y() - T2.Y();
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F = (p1.X() - P2.X())*Ax + (p1.Y() - P2.Y())*Ay;
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Standard_Real Scal = T2.Dot(T2v)/NormT2;
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Standard_Real dAx = Scal*t1.X() - T2v.X();
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Standard_Real dAy = Scal*t1.Y() - T2v.Y();
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D = - T2.X()*Ax - T2.Y()*Ay + (p1.X() - P2.X())*dAx + (p1.Y() - P2.Y())*dAy;
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return Standard_True;
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}
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