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109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
// Created on: 1996-07-15
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// Created by: Laurent BUCHARD
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// Copyright (c) 1996-1999 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 _BRepClass3d_SClassifier_HeaderFile
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#define _BRepClass3d_SClassifier_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <TopoDS_Face.hxx>
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#include <Standard_Integer.hxx>
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#include <TopAbs_State.hxx>
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class BRepClass3d_SolidExplorer;
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class gp_Pnt;
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//! Provides an algorithm to classify a point in a solid.
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class BRepClass3d_SClassifier
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Empty constructor.
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Standard_EXPORT BRepClass3d_SClassifier();
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//! Constructor to classify the point P with the
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//! tolerance Tol on the solid S.
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Standard_EXPORT BRepClass3d_SClassifier(BRepClass3d_SolidExplorer& S, const gp_Pnt& P, const Standard_Real Tol);
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//! Classify the point P with the
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//! tolerance Tol on the solid S.
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Standard_EXPORT void Perform (BRepClass3d_SolidExplorer& S, const gp_Pnt& P, const Standard_Real Tol);
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//! Classify an infinite point with the
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//! tolerance Tol on the solid S.
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Standard_EXPORT void PerformInfinitePoint (BRepClass3d_SolidExplorer& S, const Standard_Real Tol);
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//! Returns True if the classification has been
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//! computed by rejection.
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//! The State is then OUT.
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Standard_EXPORT Standard_Boolean Rejected() const;
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//! Returns the result of the classification.
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Standard_EXPORT TopAbs_State State() const;
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//! Returns True when the point is a point of a face.
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Standard_EXPORT Standard_Boolean IsOnAFace() const;
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//! Returns the face used to determine the
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//! classification. When the state is ON, this is the
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//! face containing the point.
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//!
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//! When Rejected() returns True, Face() has no signification.
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Standard_EXPORT TopoDS_Face Face() const;
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protected:
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Standard_EXPORT void ForceIn();
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Standard_EXPORT void ForceOut();
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private:
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TopoDS_Face myFace;
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//! This variable stores information about algorithm internal state.
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//! Type of this variable differs from TopAbs_State since it contains
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//! additional information about error status.
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//! 1 - Error inside of the algorithm.
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//! 2 - ON.
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//! 3 - IN.
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//! 4 - OUT.
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Standard_Integer myState;
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};
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#endif // _BRepClass3d_SClassifier_HeaderFile
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