69 lines
3.4 KiB
C++
69 lines
3.4 KiB
C++
// Created on: 2016-04-19
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// Copyright (c) 2016 OPEN CASCADE SAS
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// Created by: Oleg AGASHIN
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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 _BRepMesh_Deflection_HeaderFile
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#define _BRepMesh_Deflection_HeaderFile
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#include "Standard_Handle.hxx"
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#include "Standard_Transient.hxx"
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#include "IMeshData_Types.hxx"
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struct IMeshTools_Parameters;
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//! Auxiliary tool encompassing methods to compute deflection of shapes.
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class BRepMesh_Deflection : public Standard_Transient
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{
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public:
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//! Returns absolute deflection for theShape with respect to the
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//! relative deflection and theMaxShapeSize.
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//! @param theShape shape for that the deflection should be computed.
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//! @param theRelativeDeflection relative deflection.
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//! @param theMaxShapeSize maximum size of the whole shape.
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//! @return absolute deflection for the shape.
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Standard_EXPORT static Standard_Real ComputeAbsoluteDeflection(
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const TopoDS_Shape& theShape,
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const Standard_Real theRelativeDeflection,
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const Standard_Real theMaxShapeSize);
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//! Computes and updates deflection of the given discrete edge.
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Standard_EXPORT static void ComputeDeflection(const IMeshData::IEdgeHandle& theDEdge,
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const Standard_Real theMaxShapeSize,
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const IMeshTools_Parameters& theParameters);
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//! Computes and updates deflection of the given discrete wire.
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Standard_EXPORT static void ComputeDeflection(const IMeshData::IWireHandle& theDWire,
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const IMeshTools_Parameters& theParameters);
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//! Computes and updates deflection of the given discrete face.
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Standard_EXPORT static void ComputeDeflection(const IMeshData::IFaceHandle& theDFace,
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const IMeshTools_Parameters& theParameters);
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//! Checks if the deflection of current polygonal representation
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//! is consistent with the required deflection.
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//! @param[in] theCurrent Current deflection.
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//! @param[in] theRequired Required deflection.
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//! @param[in] theAllowDecrease Flag controlling the check. If decrease is allowed,
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//! to be consistent the current and required deflections should be approximately the same.
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//! If not allowed, the current deflection should be less than required.
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//! @param[in] theRatio The ratio for comparison of the deflections (value from 0 to 1).
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Standard_EXPORT static Standard_Boolean IsConsistent(const Standard_Real theCurrent,
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const Standard_Real theRequired,
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const Standard_Boolean theAllowDecrease,
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const Standard_Real theRatio = 0.1);
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DEFINE_STANDARD_RTTIEXT(BRepMesh_Deflection, Standard_Transient)
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};
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#endif |