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OCCT/src/ShapeFix/ShapeFix.hxx

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// Created on: 1998-06-03
// Created by: data exchange team
// Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _ShapeFix_HeaderFile
#define _ShapeFix_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <ShapeExtend_BasicMsgRegistrator.hxx>
#include <Message_ProgressRange.hxx>
class TopoDS_Shape;
class ShapeExtend_BasicMsgRegistrator;
class ShapeBuild_ReShape;
//! This package provides algorithms for fixing
//! problematic (violating Open CASCADE requirements) shapes.
//! Tools from package ShapeAnalysis are used for detecting the problems. The
//! detecting and fixing is done taking in account various
//! criteria implemented in BRepCheck package.
//! Each class of package ShapeFix deals with one
//! certain type of shapes or with some family of problems.
class ShapeFix
{
public:
DEFINE_STANDARD_ALLOC
//! Runs SameParameter from BRepLib with these adaptations :
//! <enforce> forces computations, else they are made only on
//! Edges with flag SameParameter false
//! <preci>, if not precised, is taken for each EDge as its own
//! Tolerance
//! Returns True when done, False if an exception has been raised
//! In case of exception anyway, as many edges as possible have
//! been processed. The passed progress indicator allows user
//! to consult the current progress stage and abort algorithm
//! if needed.
Standard_EXPORT static Standard_Boolean SameParameter
(const TopoDS_Shape& shape, const Standard_Boolean enforce,
const Standard_Real preci = 0.0,
const Message_ProgressRange& theProgress = Message_ProgressRange(),
const Handle(ShapeExtend_BasicMsgRegistrator)& theMsgReg = 0);
//! Runs EncodeRegularity from BRepLib taking into account
//! shared components of assemblies, so that each component
//! is processed only once
Standard_EXPORT static void EncodeRegularity (const TopoDS_Shape& shape, const Standard_Real tolang = 1.0e-10);
//! Removes edges which are less than given tolerance from shape
//! with help of ShapeFix_Wire::FixSmall()
Standard_EXPORT static TopoDS_Shape RemoveSmallEdges (TopoDS_Shape& shape, const Standard_Real Tolerance, Handle(ShapeBuild_ReShape)& context);
//! Fix position of the vertices having tolerance more tnan specified one.;
Standard_EXPORT static Standard_Boolean FixVertexPosition (TopoDS_Shape& theshape, const Standard_Real theTolerance, const Handle(ShapeBuild_ReShape)& thecontext);
//! Calculate size of least edge;
Standard_EXPORT static Standard_Real LeastEdgeSize (TopoDS_Shape& theshape);
};
#endif // _ShapeFix_HeaderFile