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246 lines
11 KiB
C++
246 lines
11 KiB
C++
// Created on: 1998-06-17
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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 _ShapeFix_Edge_HeaderFile
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#define _ShapeFix_Edge_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Integer.hxx>
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#include <MMgt_TShared.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <ShapeExtend_Status.hxx>
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class ShapeConstruct_ProjectCurveOnSurface;
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class TopoDS_Edge;
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class TopoDS_Face;
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class Geom_Surface;
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class TopLoc_Location;
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class ShapeAnalysis_Surface;
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class ShapeBuild_ReShape;
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class ShapeFix_Edge;
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DEFINE_STANDARD_HANDLE(ShapeFix_Edge, MMgt_TShared)
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//! Fixing invalid edge.
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//! Geometrical and/or topological inconsistency:
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//! - no 3d curve or pcurve,
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//! - mismatching orientation of 3d curve and pcurve,
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//! - incorrect SameParameter flag (curve deviation is greater than
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//! edge tolerance),
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//! - not adjacent curves (3d or pcurve) to the vertices.
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class ShapeFix_Edge : public MMgt_TShared
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{
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public:
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//! Empty constructor
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Standard_EXPORT ShapeFix_Edge();
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//! Returns the projector used for recomputing missing pcurves
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//! Can be used for adjusting parameters of projector
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Standard_EXPORT Handle(ShapeConstruct_ProjectCurveOnSurface) Projector();
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Standard_EXPORT Standard_Boolean FixRemovePCurve (const TopoDS_Edge& edge, const TopoDS_Face& face);
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//! Removes the pcurve(s) of the edge if it does not match the
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//! vertices
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//! Check is done
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//! Use : It is to be called when pcurve of an edge can be wrong
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//! (e.g., after import from IGES)
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//! Returns: True, if does not match, removed (status DONE)
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//! False, (status OK) if matches or (status FAIL) if no pcurve,
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//! nothing done
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Standard_EXPORT Standard_Boolean FixRemovePCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location);
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//! Removes 3d curve of the edge if it does not match the vertices
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//! Returns: True, if does not match, removed (status DONE)
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//! False, (status OK) if matches or (status FAIL) if no 3d curve,
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//! nothing done
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Standard_EXPORT Standard_Boolean FixRemoveCurve3d (const TopoDS_Edge& edge);
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//! See method below for information
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Standard_EXPORT Standard_Boolean FixAddPCurve (const TopoDS_Edge& edge, const TopoDS_Face& face, const Standard_Boolean isSeam, const Standard_Real prec = 0.0);
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//! See method below for information
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Standard_EXPORT Standard_Boolean FixAddPCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, const Standard_Boolean isSeam, const Standard_Real prec = 0.0);
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//! See method below for information
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Standard_EXPORT Standard_Boolean FixAddPCurve (const TopoDS_Edge& edge, const TopoDS_Face& face, const Standard_Boolean isSeam, const Handle(ShapeAnalysis_Surface)& surfana, const Standard_Real prec = 0.0);
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//! Adds pcurve(s) of the edge if missing (by projecting 3d curve)
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//! Parameter isSeam indicates if the edge is a seam.
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//! The parameter <prec> defines the precision for calculations.
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//! If it is 0 (default), the tolerance of the edge is taken.
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//! Remark : This method is rather for internal use since it accepts parameter
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//! <surfana> for optimization of computations
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//! Use : It is to be called after FixRemovePCurve (if removed) or in any
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//! case when edge can have no pcurve
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//! Returns: True if pcurve was added, else False
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//! Status :
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//! OK : Pcurve exists
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//! FAIL1: No 3d curve
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//! FAIL2: fail during projecting
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//! DONE1: Pcurve was added
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//! DONE2: specific case of pcurve going through degenerated point on
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//! sphere encountered during projection (see class
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//! ShapeConstruct_ProjectCurveOnSurface for more info)
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Standard_EXPORT Standard_Boolean FixAddPCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, const Standard_Boolean isSeam, const Handle(ShapeAnalysis_Surface)& surfana, const Standard_Real prec = 0.0);
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//! Tries to build 3d curve of the edge if missing
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//! Use : It is to be called after FixRemoveCurve3d (if removed) or in any
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//! case when edge can have no 3d curve
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//! Returns: True if 3d curve was added, else False
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//! Status :
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//! OK : 3d curve exists
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//! FAIL1: BRepLib::BuildCurve3d() has failed
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//! DONE1: 3d curve was added
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Standard_EXPORT Standard_Boolean FixAddCurve3d (const TopoDS_Edge& edge);
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Standard_EXPORT Standard_Boolean FixVertexTolerance (const TopoDS_Edge& edge, const TopoDS_Face& face);
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//! Increases the tolerances of the edge vertices to comprise
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//! the ends of 3d curve and pcurve on the given face
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//! (first method) or all pcurves stored in an edge (second one)
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//! Returns: True, if tolerances have been increased, otherwise False
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//! Status:
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//! OK : the original tolerances have not been changed
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//! DONE1: the tolerance of first vertex has been increased
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//! DONE2: the tolerance of last vertex has been increased
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Standard_EXPORT Standard_Boolean FixVertexTolerance (const TopoDS_Edge& edge);
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Standard_EXPORT Standard_Boolean FixReversed2d (const TopoDS_Edge& edge, const TopoDS_Face& face);
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//! Fixes edge if pcurve is directed opposite to 3d curve
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//! Check is done by call to the function
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//! ShapeAnalysis_Edge::CheckCurve3dWithPCurve()
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//! Warning: For seam edge this method will check and fix the pcurve in only
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//! one direction. Hence, it should be called twice for seam edge:
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//! once with edge orientation FORWARD and once with REVERSED.
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//! Returns: False if nothing done, True if reversed (status DONE)
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//! Status: OK - pcurve OK, nothing done
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//! FAIL1 - no pcurve
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//! FAIL2 - no 3d curve
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//! DONE1 - pcurve was reversed
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Standard_EXPORT Standard_Boolean FixReversed2d (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location);
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//! Tries to make edge SameParameter and sets corresponding
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//! tolerance and SameParameter flag.
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//! First, it makes edge same range if SameRange flag is not set.
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//!
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//! If flag SameParameter is set, this method calls the
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//! function ShapeAnalysis_Edge::CheckSameParameter() that
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//! calculates the maximal deviation of pcurves of the edge from
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//! its 3d curve. If deviation > tolerance, the tolerance of edge
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//! is increased to a value of deviation. If deviation < tolerance
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//! nothing happens.
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//!
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//! If flag SameParameter is not set, this method chooses the best
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//! variant (one that has minimal tolerance), either
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//! a. only after computing deviation (as above) or
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//! b. after calling standard procedure BRepLib::SameParameter
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//! and computing deviation (as above). If <tolerance> > 0, it is
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//! used as parameter for BRepLib::SameParameter, otherwise,
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//! tolerance of the edge is used.
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//!
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//! Use : Is to be called after all pcurves and 3d curve of the edge are
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//! correctly computed
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//! Remark : SameParameter flag is always set to True after this method
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//! Returns: True, if something done, else False
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//! Status : OK - edge was initially SameParameter, nothing is done
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//! FAIL1 - computation of deviation of pcurves from 3d curve has failed
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//! FAIL2 - BRepLib::SameParameter() has failed
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//! DONE1 - tolerance of the edge was increased
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//! DONE2 - flag SameParameter was set to True (only if
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//! BRepLib::SameParameter() did not set it)
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//! DONE3 - edge was modified by BRepLib::SameParameter() to SameParameter
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//! DONE4 - not used anymore
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//! DONE5 - if the edge resulting from BRepLib has been chosen, i.e. variant b. above
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//! (only for edges with not set SameParameter)
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Standard_EXPORT Standard_Boolean FixSameParameter (const TopoDS_Edge& edge, const Standard_Real tolerance = 0.0);
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//! Tries to make edge SameParameter and sets corresponding
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//! tolerance and SameParameter flag.
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//! First, it makes edge same range if SameRange flag is not set.
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//!
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//! If flag SameParameter is set, this method calls the
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//! function ShapeAnalysis_Edge::CheckSameParameter() that
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//! calculates the maximal deviation of pcurves of the edge from
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//! its 3d curve. If deviation > tolerance, the tolerance of edge
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//! is increased to a value of deviation. If deviation < tolerance
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//! nothing happens.
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//!
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//! If flag SameParameter is not set, this method chooses the best
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//! variant (one that has minimal tolerance), either
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//! a. only after computing deviation (as above) or
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//! b. after calling standard procedure BRepLib::SameParameter
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//! and computing deviation (as above). If <tolerance> > 0, it is
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//! used as parameter for BRepLib::SameParameter, otherwise,
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//! tolerance of the edge is used.
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//!
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//! Use : Is to be called after all pcurves and 3d curve of the edge are
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//! correctly computed
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//! Remark : SameParameter flag is always set to True after this method
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//! Returns: True, if something done, else False
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//! Status : OK - edge was initially SameParameter, nothing is done
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//! FAIL1 - computation of deviation of pcurves from 3d curve has failed
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//! FAIL2 - BRepLib::SameParameter() has failed
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//! DONE1 - tolerance of the edge was increased
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//! DONE2 - flag SameParameter was set to True (only if
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//! BRepLib::SameParameter() did not set it)
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//! DONE3 - edge was modified by BRepLib::SameParameter() to SameParameter
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//! DONE4 - not used anymore
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//! DONE5 - if the edge resulting from BRepLib has been chosen, i.e. variant b. above
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//! (only for edges with not set SameParameter)
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Standard_EXPORT Standard_Boolean FixSameParameter (const TopoDS_Edge& edge,
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const TopoDS_Face& face,
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const Standard_Real tolerance = 0.0);
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//! Returns the status (in the form of True/False) of last Fix
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Standard_EXPORT Standard_Boolean Status (const ShapeExtend_Status status) const;
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//! Sets context
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Standard_EXPORT void SetContext (const Handle(ShapeBuild_ReShape)& context);
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//! Returns context
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Standard_EXPORT Handle(ShapeBuild_ReShape) Context() const;
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DEFINE_STANDARD_RTTIEXT(ShapeFix_Edge,MMgt_TShared)
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protected:
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Handle(ShapeBuild_ReShape) myContext;
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Standard_Integer myStatus;
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Handle(ShapeConstruct_ProjectCurveOnSurface) myProjector;
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private:
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};
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#endif // _ShapeFix_Edge_HeaderFile
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