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https://git.dev.opencascade.org/repos/occt.git
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d533dafb56
Added initialization of fields that had not initialization Added default constructors to classes without constructors
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// Created on: 1998-06-03
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// Created by: data exchange team
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// Copyright (c) 1998-1999 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 _ShapeAnalysis_Shell_HeaderFile
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#define _ShapeAnalysis_Shell_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 <TopTools_IndexedMapOfShape.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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class TopoDS_Shape;
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class TopoDS_Compound;
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//! This class provides operators to analyze edges orientation
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//! in the shell.
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class ShapeAnalysis_Shell
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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 ShapeAnalysis_Shell();
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//! Clears data about loaded shells and performed checks
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Standard_EXPORT void Clear();
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//! Adds shells contained in the <shape> to the list of loaded shells
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Standard_EXPORT void LoadShells (const TopoDS_Shape& shape);
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//! Checks if shells fulfill orientation condition, i.e. if each
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//! edge is, either present once (free edge) or twice (connected
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//! edge) but with different orientations (FORWARD/REVERSED)
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//! Edges which do not fulfill these conditions are bad
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//!
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//! If <alsofree> is True free edges are considered.
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//! Free edges can be queried but are not bad
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Standard_EXPORT Standard_Boolean CheckOrientedShells (const TopoDS_Shape& shape, const Standard_Boolean alsofree = Standard_False, const Standard_Boolean checkinternaledges = Standard_False);
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//! Tells if a shape is loaded (only shells are checked)
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Standard_EXPORT Standard_Boolean IsLoaded (const TopoDS_Shape& shape) const;
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//! Returns the actual number of loaded shapes (i.e. shells)
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Standard_EXPORT Standard_Integer NbLoaded() const;
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//! Returns a loaded shape specified by its rank number.
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//! Returns null shape if <num> is out of range
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Standard_EXPORT TopoDS_Shape Loaded (const Standard_Integer num) const;
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//! Tells if at least one edge is recorded as bad
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Standard_EXPORT Standard_Boolean HasBadEdges() const;
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//! Returns the list of bad edges as a Compound
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//! It is empty (not null) if no edge are recorded as bad
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Standard_EXPORT TopoDS_Compound BadEdges() const;
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//! Tells if at least one edge is recorded as free (not connected)
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Standard_EXPORT Standard_Boolean HasFreeEdges() const;
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//! Returns the list of free (not connected) edges as a Compound
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//! It is empty (not null) if no edge are recorded as free
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Standard_EXPORT TopoDS_Compound FreeEdges() const;
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//! Tells if at least one edge is connected (shared twice or more)
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Standard_EXPORT Standard_Boolean HasConnectedEdges() const;
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protected:
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private:
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TopTools_IndexedMapOfShape myShells;
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TopTools_IndexedMapOfShape myBad;
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TopTools_IndexedMapOfShape myFree;
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Standard_Boolean myConex;
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};
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#endif // _ShapeAnalysis_Shell_HeaderFile
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