// Created on: 1999-06-18 // Created by: Galina Koulikova // Copyright (c) 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 _ShapeCustom_BSplineRestriction_HeaderFile #define _ShapeCustom_BSplineRestriction_HeaderFile #include #include #include #include #include #include #include class ShapeCustom_RestrictionParameters; class TopoDS_Face; class Geom_Surface; class TopLoc_Location; class TopoDS_Edge; class Geom_Curve; class Geom2d_Curve; class TopoDS_Vertex; class gp_Pnt; class ShapeCustom_BSplineRestriction; DEFINE_STANDARD_HANDLE(ShapeCustom_BSplineRestriction, ShapeCustom_Modification) //! this tool intended for approximation surfaces, curves and pcurves with //! specified degree , max number of segments, tolerance 2d, tolerance 3d. Specified //! continuity can be reduced if approximation with specified continuity was not done. class ShapeCustom_BSplineRestriction : public ShapeCustom_Modification { public: //! Empty constructor. Standard_EXPORT ShapeCustom_BSplineRestriction(); //! Initializes with specified parameters of approximation. Standard_EXPORT ShapeCustom_BSplineRestriction(const Standard_Boolean anApproxSurfaceFlag, const Standard_Boolean anApproxCurve3dFlag, const Standard_Boolean anApproxCurve2dFlag, const Standard_Real aTol3d, const Standard_Real aTol2d, const GeomAbs_Shape aContinuity3d, const GeomAbs_Shape aContinuity2d, const Standard_Integer aMaxDegree, const Standard_Integer aNbMaxSeg, const Standard_Boolean Degree, const Standard_Boolean Rational); //! Initializes with specified parameters of approximation. Standard_EXPORT ShapeCustom_BSplineRestriction(const Standard_Boolean anApproxSurfaceFlag, const Standard_Boolean anApproxCurve3dFlag, const Standard_Boolean anApproxCurve2dFlag, const Standard_Real aTol3d, const Standard_Real aTol2d, const GeomAbs_Shape aContinuity3d, const GeomAbs_Shape aContinuity2d, const Standard_Integer aMaxDegree, const Standard_Integer aNbMaxSeg, const Standard_Boolean Degree, const Standard_Boolean Rational, const Handle(ShapeCustom_RestrictionParameters)& aModes); //! Returns Standard_True if the face has been //! modified. In this case, is the new geometric //! support of the face, the new location, //! the new tolerance. has to be set to //! Standard_True when the modification reverses the //! normal of the surface.(the wires have to be //! reversed). has to be set to //! Standard_True if the orientation of the modified //! face changes in the shells which contain it. //! //! Otherwise, returns Standard_False, and , , //! , , are not significant. Standard_EXPORT Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) Standard_OVERRIDE; //! Returns Standard_True if curve from the edge has been //! modified. In this case, is the new geometric //! support of the edge, the new location, //! the new tolerance. //! Otherwise, returns Standard_True if Surface is modified or //! one of pcurves of edge is modified. In this case C is copy of //! geometric support of the edge. //! In other cases returns Standard_False, and , , are not //! significant. Standard_EXPORT Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C, TopLoc_Location& L, Standard_Real& Tol) Standard_OVERRIDE; //! Returns Standard_True if the edge has been modified. //! In this case,if curve on the surface is modified, //! is the new geometric support of the edge, the //! new location, the new tolerance. If curve on the surface //! is not modified C is copy curve on surface from the edge . //! //! Otherwise, returns Standard_False, and , , //! are not significant. //! //! is the new edge created from . //! is the new face created from . They may be useful. Standard_EXPORT Standard_Boolean NewCurve2d (const TopoDS_Edge& E, const TopoDS_Face& F, const TopoDS_Edge& NewE, const TopoDS_Face& NewF, Handle(Geom2d_Curve)& C, Standard_Real& Tol) Standard_OVERRIDE; //! Returns Standard_True if the surface has been modified. //! if flag IsOf equals Standard_True Offset surfaces are approximated to Offset //! if Standard_False to BSpline Standard_EXPORT Standard_Boolean ConvertSurface (const Handle(Geom_Surface)& aSurface, Handle(Geom_Surface)& S, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL, const Standard_Boolean IsOf = Standard_True); //! Returns Standard_True if the curve has been modified. //! if flag IsOf equals Standard_True Offset curves are approximated to Offset //! if Standard_False to BSpline Standard_EXPORT Standard_Boolean ConvertCurve (const Handle(Geom_Curve)& aCurve, Handle(Geom_Curve)& C, const Standard_Boolean IsConvert, const Standard_Real First, const Standard_Real Last, Standard_Real& TolCur, const Standard_Boolean IsOf = Standard_True); //! Returns Standard_True if the pcurve has been modified. //! if flag IsOf equals Standard_True Offset pcurves are approximated to Offset //! if Standard_False to BSpline Standard_EXPORT Standard_Boolean ConvertCurve2d (const Handle(Geom2d_Curve)& aCurve, Handle(Geom2d_Curve)& C, const Standard_Boolean IsConvert, const Standard_Real First, const Standard_Real Last, Standard_Real& TolCur, const Standard_Boolean IsOf = Standard_True); //! Sets tolerance of approximation for curve3d and surface void SetTol3d (const Standard_Real Tol3d); //! Sets tolerance of approximation for curve2d void SetTol2d (const Standard_Real Tol2d); //! Returns (modifiable) the flag which defines whether the //! surface is approximated. Standard_Boolean& ModifyApproxSurfaceFlag(); //! Returns (modifiable) the flag which defines whether the //! curve3d is approximated. Standard_Boolean& ModifyApproxCurve3dFlag(); //! Returns (modifiable) the flag which defines whether the curve2d is approximated. Standard_Boolean& ModifyApproxCurve2dFlag(); //! Sets continuity3d for approximation curve3d and surface. void SetContinuity3d (const GeomAbs_Shape Continuity3d); //! Sets continuity3d for approximation curve2d. void SetContinuity2d (const GeomAbs_Shape Continuity2d); //! Sets max degree for approximation. void SetMaxDegree (const Standard_Integer MaxDegree); //! Sets max number of segments for approximation. void SetMaxNbSegments (const Standard_Integer MaxNbSegments); //! Sets priority for approximation curves and surface. //! If Degree is True approximation is made with degree less //! then specified MaxDegree at the expense of number of spanes. //! If Degree is False approximation is made with number of //! spans less then specified MaxNbSegment at the expense of //! specified MaxDegree. void SetPriority (const Standard_Boolean Degree); //! Sets flag for define if rational BSpline or Bezier is //! converted to polynomial. If Rational is True approximation //! for rational BSpline and Bezier is made to polynomial even //! if degree is less then MaxDegree and number of spans is less //! then specified MaxNbSegment. void SetConvRational (const Standard_Boolean Rational); //! Returns the container of modes which defines //! what geometry should be converted to BSplines. Handle(ShapeCustom_RestrictionParameters) GetRestrictionParameters() const; //! Sets the container of modes which defines //! what geometry should be converted to BSplines. void SetRestrictionParameters (const Handle(ShapeCustom_RestrictionParameters)& aModes); //! Returns error for approximation curve3d. Standard_Real Curve3dError() const; //! Returns error for approximation curve2d. Standard_Real Curve2dError() const; //! Returns error for approximation surface. Standard_Real SurfaceError() const; Standard_EXPORT Standard_Boolean NewPoint (const TopoDS_Vertex& V, gp_Pnt& P, Standard_Real& Tol) Standard_OVERRIDE; Standard_EXPORT Standard_Boolean NewParameter (const TopoDS_Vertex& V, const TopoDS_Edge& E, Standard_Real& P, Standard_Real& Tol) Standard_OVERRIDE; Standard_EXPORT GeomAbs_Shape Continuity (const TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const TopoDS_Edge& NewE, const TopoDS_Face& NewF1, const TopoDS_Face& NewF2) Standard_OVERRIDE; //! Returns error for approximation surface, curve3d and curve2d. Standard_EXPORT Standard_Real MaxErrors (Standard_Real& aCurve3dErr, Standard_Real& aCurve2dErr) const; //! Returns number for approximation surface, curve3d and curve2d. Standard_EXPORT Standard_Integer NbOfSpan() const; DEFINE_STANDARD_RTTIEXT(ShapeCustom_BSplineRestriction,ShapeCustom_Modification) protected: private: GeomAbs_Shape myContinuity3d; GeomAbs_Shape myContinuity2d; Standard_Integer myMaxDegree; Standard_Integer myNbMaxSeg; Standard_Real myTol3d; Standard_Real myTol2d; Standard_Real mySurfaceError; Standard_Real myCurve3dError; Standard_Real myCurve2dError; Standard_Integer myNbOfSpan; Standard_Boolean myApproxSurfaceFlag; Standard_Boolean myApproxCurve3dFlag; Standard_Boolean myApproxCurve2dFlag; Standard_Boolean myDeg; Standard_Boolean myConvert; Standard_Boolean myRational; Handle(ShapeCustom_RestrictionParameters) myParameters; }; #include #endif // _ShapeCustom_BSplineRestriction_HeaderFile