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0024002: Overall code and build procedure refactoring -- automatic
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
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src/HLRAlgo/HLRAlgo_Projector.hxx
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148
src/HLRAlgo/HLRAlgo_Projector.hxx
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// Created on: 1992-03-12
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// Created by: Christophe MARION
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// Copyright (c) 1992-1999 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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#ifndef _HLRAlgo_Projector_HeaderFile
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#define _HLRAlgo_Projector_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <gp_Trsf.hxx>
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#include <gp_Vec2d.hxx>
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class Standard_NoSuchObject;
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class gp_Ax2;
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class gp_Trsf;
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class gp_Vec2d;
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class gp_Vec;
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class gp_Pnt;
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class gp_Pnt2d;
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class gp_Lin;
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//! Implements a projector object.
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//! To transform and project Points and Planes.
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//! This object is designed to be used in the
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//! removal of hidden lines and is returned by the
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//! Prs3d_Projector::Projector function.
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//! You define the projection of the selected shape
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//! by calling one of the following functions:
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//! - HLRBRep_Algo::Projector, or
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//! - HLRBRep_PolyAlgo::Projector
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//! The choice depends on the algorithm, which you are using.
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//! The parameters of the view are defined at the
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//! time of construction of a Prs3d_Projector object.
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class HLRAlgo_Projector
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT HLRAlgo_Projector();
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//! Creates an axonometric projector. <CS> is the
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//! viewing coordinate system.
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Standard_EXPORT HLRAlgo_Projector(const gp_Ax2& CS);
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//! Creates a perspective projector. <CS> is the
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//! viewing coordinate system.
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Standard_EXPORT HLRAlgo_Projector(const gp_Ax2& CS, const Standard_Real Focus);
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//! build a Projector with automatic minmax directions.
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Standard_EXPORT HLRAlgo_Projector(const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus);
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//! build a Projector with given minmax directions.
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Standard_EXPORT HLRAlgo_Projector(const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus, const gp_Vec2d& v1, const gp_Vec2d& v2, const gp_Vec2d& v3);
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Standard_EXPORT void Set (const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus);
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void Directions (gp_Vec2d& D1, gp_Vec2d& D2, gp_Vec2d& D3) const;
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//! to compute with the given scale and translation.
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Standard_EXPORT void Scaled (const Standard_Boolean On = Standard_False);
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//! Returns True if there is a perspective transformation.
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Standard_Boolean Perspective() const;
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//! Returns the active transformation.
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Standard_EXPORT const gp_Trsf& Transformation() const;
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//! Returns the active inverted transformation.
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const gp_Trsf& InvertedTransformation() const;
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//! Returns the original transformation.
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const gp_Trsf& FullTransformation() const;
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//! Returns the focal length.
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Standard_Real Focus() const;
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void Transform (gp_Vec& D) const;
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void Transform (gp_Pnt& Pnt) const;
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//! Transform and apply perspective if needed.
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Standard_EXPORT void Project (const gp_Pnt& P, gp_Pnt2d& Pout) const;
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//! Transform and apply perspective if needed.
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Standard_EXPORT void Project (const gp_Pnt& P, Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
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//! Transform and apply perspective if needed.
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Standard_EXPORT void Project (const gp_Pnt& P, const gp_Vec& D1, gp_Pnt2d& Pout, gp_Vec2d& D1out) const;
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//! return a line going through the eye towards the
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//! 2d point <X,Y>.
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Standard_EXPORT gp_Lin Shoot (const Standard_Real X, const Standard_Real Y) const;
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protected:
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private:
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Standard_EXPORT void SetDirection();
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Standard_Integer myType;
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Standard_Boolean myPersp;
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Standard_Real myFocus;
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gp_Trsf myScaledTrsf;
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gp_Trsf myTrsf;
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gp_Trsf myInvTrsf;
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gp_Vec2d myD1;
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gp_Vec2d myD2;
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gp_Vec2d myD3;
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};
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#include <HLRAlgo_Projector.lxx>
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#endif // _HLRAlgo_Projector_HeaderFile
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