// 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_Face_HeaderFile #define _ShapeFix_Face_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include class ShapeAnalysis_Surface; class ShapeFix_Wire; class Geom_Surface; class ShapeExtend_BasicMsgRegistrator; class TopoDS_Wire; class ShapeExtend_WireData; class TopoDS_Vertex; // resolve name collisions with X11 headers #ifdef Status #undef Status #endif class ShapeFix_Face; DEFINE_STANDARD_HANDLE(ShapeFix_Face, ShapeFix_Root) //! This operator allows to perform various fixes on face //! and its wires: fixes provided by ShapeFix_Wire, //! fixing orientation of wires, addition of natural bounds, //! fixing of missing seam edge, //! and detection and removal of null-area wires class ShapeFix_Face : public ShapeFix_Root { public: //! Creates an empty tool Standard_EXPORT ShapeFix_Face(); //! Creates a tool and loads a face Standard_EXPORT ShapeFix_Face(const TopoDS_Face& face); //! Sets all modes to default Standard_EXPORT virtual void ClearModes(); //! Loads a whole face already created, with its wires, sense and //! location Standard_EXPORT void Init (const TopoDS_Face& face); //! Starts the creation of the face //! By default it will be FORWARD, or REVERSED if is False Standard_EXPORT void Init (const Handle(Geom_Surface)& surf, const Standard_Real preci, const Standard_Boolean fwd = Standard_True); //! Starts the creation of the face //! By default it will be FORWARD, or REVERSED if is False Standard_EXPORT void Init (const Handle(ShapeAnalysis_Surface)& surf, const Standard_Real preci, const Standard_Boolean fwd = Standard_True); //! Sets message registrator Standard_EXPORT virtual void SetMsgRegistrator (const Handle(ShapeExtend_BasicMsgRegistrator)& msgreg) Standard_OVERRIDE; //! Sets basic precision value (also to FixWireTool) Standard_EXPORT virtual void SetPrecision (const Standard_Real preci) Standard_OVERRIDE; //! Sets minimal allowed tolerance (also to FixWireTool) Standard_EXPORT virtual void SetMinTolerance (const Standard_Real mintol) Standard_OVERRIDE; //! Sets maximal allowed tolerance (also to FixWireTool) Standard_EXPORT virtual void SetMaxTolerance (const Standard_Real maxtol) Standard_OVERRIDE; //! Returns (modifiable) the mode for applying fixes of //! ShapeFix_Wire, by default True. Standard_Integer& FixWireMode(); //! Returns (modifiable) the fix orientation mode, by default //! True. If True, wires oriented to border limited square. Standard_Integer& FixOrientationMode(); //! Returns (modifiable) the add natural bound mode. //! If true, natural boundary is added on faces that miss them. //! Default is False for faces with single wire (they are //! handled by FixOrientation in that case) and True for others. Standard_Integer& FixAddNaturalBoundMode(); //! Returns (modifiable) the fix missing seam mode, by default //! True. If True, tries to insert seam is missed. Standard_Integer& FixMissingSeamMode(); //! Returns (modifiable) the fix small area wire mode, by default //! False. If True, drops small wires. Standard_Integer& FixSmallAreaWireMode(); //! Returns (modifiable) the remove face with small area, by default //! False. If True, drops faces with small outer wires. Standard_Integer& RemoveSmallAreaFaceMode(); //! Returns (modifiable) the fix intersecting wires mode //! by default True. Standard_Integer& FixIntersectingWiresMode(); //! Returns (modifiable) the fix loop wires mode //! by default True. Standard_Integer& FixLoopWiresMode(); //! Returns (modifiable) the fix split face mode //! by default True. Standard_Integer& FixSplitFaceMode(); //! Returns (modifiable) the auto-correct precision mode //! by default False. Standard_Integer& AutoCorrectPrecisionMode(); //! Returns (modifiable) the activation flag for periodic //! degenerated fix. False by default. Standard_Integer& FixPeriodicDegeneratedMode(); //! Returns a face which corresponds to the current state //! Warning: The finally produced face may be another one ... but with the //! same support TopoDS_Face Face() const; //! Returns resulting shape (Face or Shell if split) //! To be used instead of Face() if FixMissingSeam involved TopoDS_Shape Result() const; //! Add a wire to current face using BRep_Builder. //! Wire is added without taking into account orientation of face //! (as if face were FORWARD). Standard_EXPORT void Add (const TopoDS_Wire& wire); //! Performs all the fixes, depending on modes //! Function Status returns the status of last call to Perform() //! ShapeExtend_OK : face was OK, nothing done //! ShapeExtend_DONE1: some wires are fixed //! ShapeExtend_DONE2: orientation of wires fixed //! ShapeExtend_DONE3: missing seam added //! ShapeExtend_DONE4: small area wire removed //! ShapeExtend_DONE5: natural bounds added //! ShapeExtend_FAIL1: some fails during fixing wires //! ShapeExtend_FAIL2: cannot fix orientation of wires //! ShapeExtend_FAIL3: cannot add missing seam //! ShapeExtend_FAIL4: cannot remove small area wire Standard_EXPORT Standard_Boolean Perform(); //! Fixes orientation of wires on the face //! It tries to make all wires lie outside all others (according //! to orientation) by reversing orientation of some of them. //! If face lying on sphere or torus has single wire and //! AddNaturalBoundMode is True, that wire is not reversed in //! any case (supposing that natural bound will be added). //! Returns True if wires were reversed Standard_EXPORT Standard_Boolean FixOrientation(); //! Fixes orientation of wires on the face //! It tries to make all wires lie outside all others (according //! to orientation) by reversing orientation of some of them. //! If face lying on sphere or torus has single wire and //! AddNaturalBoundMode is True, that wire is not reversed in //! any case (supposing that natural bound will be added). //! Returns True if wires were reversed //! OutWires return information about out wires + list of //! internal wires for each (for performing split face). Standard_EXPORT Standard_Boolean FixOrientation (TopTools_DataMapOfShapeListOfShape& MapWires); //! Adds natural boundary on face if it is missing. //! Two cases are supported: //! - face has no wires //! - face lies on geometrically double-closed surface //! (sphere or torus) and none of wires is left-oriented //! Returns True if natural boundary was added Standard_EXPORT Standard_Boolean FixAddNaturalBound(); //! Detects and fixes the special case when face on a closed //! surface is given by two wires closed in 3d but with gap in 2d. //! In that case it creates a new wire from the two, and adds a //! missing seam edge //! Returns True if missing seam was added Standard_EXPORT Standard_Boolean FixMissingSeam(); //! Detects wires with small area (that is less than //! 100*Precision::PConfusion(). Removes these wires if they are internal. //! Returns : True if at least one small wire removed, //! False if does nothing. Standard_EXPORT Standard_Boolean FixSmallAreaWire (const Standard_Boolean theIsRemoveSmallFace); //! Detects if wire has a loop and fixes this situation by splitting on the few parts. //! if wire has a loops and it was split Status was set to value ShapeExtend_DONE6. Standard_EXPORT Standard_Boolean FixLoopWire (TopTools_SequenceOfShape& aResWires); //! Detects and fixes the special case when face has more than one wire //! and this wires have intersection point Standard_EXPORT Standard_Boolean FixIntersectingWires(); //! If wire contains two coincidence edges it must be removed //! Queries on status after Perform() Standard_EXPORT Standard_Boolean FixWiresTwoCoincEdges(); //! Split face if there are more than one out wire //! using inrormation after FixOrientation() Standard_EXPORT Standard_Boolean FixSplitFace (const TopTools_DataMapOfShapeListOfShape& MapWires); //! Fixes topology for a specific case when face is composed //! by a single wire belting a periodic surface. In that case //! a degenerated edge is reconstructed in the degenerated pole //! of the surface. Initial wire gets consistent orientation. //! Must be used in couple and before FixMissingSeam routine Standard_EXPORT Standard_Boolean FixPeriodicDegenerated(); //! Returns the status of last call to Perform() //! ShapeExtend_OK : face was OK, nothing done //! ShapeExtend_DONE1: some wires are fixed //! ShapeExtend_DONE2: orientation of wires fixed //! ShapeExtend_DONE3: missing seam added //! ShapeExtend_DONE4: small area wire removed //! ShapeExtend_DONE5: natural bounds added //! ShapeExtend_DONE8: face may be splited //! ShapeExtend_FAIL1: some fails during fixing wires //! ShapeExtend_FAIL2: cannot fix orientation of wires //! ShapeExtend_FAIL3: cannot add missing seam //! ShapeExtend_FAIL4: cannot remove small area wire Standard_Boolean Status (const ShapeExtend_Status status) const; //! Returns tool for fixing wires. Handle(ShapeFix_Wire) FixWireTool(); DEFINE_STANDARD_RTTIEXT(ShapeFix_Face,ShapeFix_Root) protected: Handle(ShapeAnalysis_Surface) mySurf; TopoDS_Face myFace; TopoDS_Shape myResult; Handle(ShapeFix_Wire) myFixWire; Standard_Boolean myFwd; Standard_Integer myStatus; private: Standard_EXPORT Standard_Boolean SplitEdge (const Handle(ShapeExtend_WireData)& sewd, const Standard_Integer num, const Standard_Real param, const TopoDS_Vertex& vert, const Standard_Real preci, ShapeFix_DataMapOfShapeBox2d& boxes); Standard_EXPORT Standard_Boolean SplitEdge (const Handle(ShapeExtend_WireData)& sewd, const Standard_Integer num, const Standard_Real param1, const Standard_Real param2, const TopoDS_Vertex& vert, const Standard_Real preci, ShapeFix_DataMapOfShapeBox2d& boxes); Standard_Integer myFixWireMode; Standard_Integer myFixOrientationMode; Standard_Integer myFixAddNaturalBoundMode; Standard_Integer myFixMissingSeamMode; Standard_Integer myFixSmallAreaWireMode; Standard_Integer myRemoveSmallAreaFaceMode; Standard_Integer myFixLoopWiresMode; Standard_Integer myFixIntersectingWiresMode; Standard_Integer myFixSplitFaceMode; Standard_Integer myAutoCorrectPrecisionMode; Standard_Integer myFixPeriodicDegenerated; }; #include #endif // _ShapeFix_Face_HeaderFile