// Created on: 1998-06-08 // 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 _ShapeAnalysis_Edge_HeaderFile #define _ShapeAnalysis_Edge_HeaderFile #include #include #include #include #include #include #include class TopoDS_Edge; class Geom_Curve; class TopoDS_Face; class Geom_Surface; class TopLoc_Location; class Geom2d_Curve; class gp_Pnt2d; class TopoDS_Vertex; class gp_Vec2d; class gp_Pnt; class Adaptor3d_Curve; // resolve name collisions with X11 headers #ifdef Status #undef Status #endif //! Tool for analyzing the edge. //! Queries geometrical representations of the edge (3d curve, pcurve //! on the given face or surface) and topological sub-shapes (bounding //! vertices). //! Provides methods for analyzing geometry and topology consistency //! (3d and pcurve(s) consistency, their adjacency to the vertices). class ShapeAnalysis_Edge { public: DEFINE_STANDARD_ALLOC //! Empty constructor; initialises Status to OK Standard_EXPORT ShapeAnalysis_Edge(); //! Tells if the edge has a 3d curve Standard_EXPORT Standard_Boolean HasCurve3d (const TopoDS_Edge& edge) const; //! Returns the 3d curve and bounding parameteres for the edge //! Returns False if no 3d curve. //! If is True (default), takes orientation into account: //! if the edge is reversed, cf and cl are toggled Standard_EXPORT Standard_Boolean Curve3d (const TopoDS_Edge& edge, Handle(Geom_Curve)& C3d, Standard_Real& cf, Standard_Real& cl, const Standard_Boolean orient = Standard_True) const; //! Gives True if the edge has a 3d curve, this curve is closed, //! and the edge has the same vertex at start and end Standard_EXPORT Standard_Boolean IsClosed3d (const TopoDS_Edge& edge) const; //! Tells if the Edge has a pcurve on the face. Standard_EXPORT Standard_Boolean HasPCurve (const TopoDS_Edge& edge, const TopoDS_Face& face) const; //! Tells if the edge has a pcurve on the surface (with location). Standard_EXPORT Standard_Boolean HasPCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location) const; Standard_EXPORT Standard_Boolean PCurve (const TopoDS_Edge& edge, const TopoDS_Face& face, Handle(Geom2d_Curve)& C2d, Standard_Real& cf, Standard_Real& cl, const Standard_Boolean orient = Standard_True) const; //! Returns the pcurve and bounding parameteres for the edge //! lying on the surface. //! Returns False if the edge has no pcurve on this surface. //! If is True (default), takes orientation into account: //! if the edge is reversed, cf and cl are toggled Standard_EXPORT Standard_Boolean PCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, Handle(Geom2d_Curve)& C2d, Standard_Real& cf, Standard_Real& cl, const Standard_Boolean orient = Standard_True) const; Standard_EXPORT Standard_Boolean BoundUV (const TopoDS_Edge& edge, const TopoDS_Face& face, gp_Pnt2d& first, gp_Pnt2d& last) const; //! Returns the ends of pcurve //! Calls method PCurve with equal to True Standard_EXPORT Standard_Boolean BoundUV (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, gp_Pnt2d& first, gp_Pnt2d& last) const; Standard_EXPORT Standard_Boolean IsSeam (const TopoDS_Edge& edge, const TopoDS_Face& face) const; //! Returns True if the edge has two pcurves on one surface Standard_EXPORT Standard_Boolean IsSeam (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location) const; //! Returns start vertex of the edge (taking edge orientation //! into account). Standard_EXPORT TopoDS_Vertex FirstVertex (const TopoDS_Edge& edge) const; //! Returns end vertex of the edge (taking edge orientation //! into account). Standard_EXPORT TopoDS_Vertex LastVertex (const TopoDS_Edge& edge) const; Standard_EXPORT Standard_Boolean GetEndTangent2d (const TopoDS_Edge& edge, const TopoDS_Face& face, const Standard_Boolean atEnd, gp_Pnt2d& pos, gp_Vec2d& tang, const Standard_Real dparam = 0.0) const; //! Returns tangent of the edge pcurve at its start (if atEnd is //! False) or end (if True), regarding the orientation of edge. //! If edge is REVERSED, tangent is reversed before return. //! Returns True if pcurve is available and tangent is computed //! and is not null, else False. Standard_EXPORT Standard_Boolean GetEndTangent2d (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, const Standard_Boolean atEnd, gp_Pnt2d& pos, gp_Vec2d& tang, const Standard_Real dparam = 0.0) const; //! Checks the start and/or end vertex of the edge for matching //! with 3d curve with the given precision. //! = 1 : start vertex only //! = 2 : end vertex only //! = 0 : both (default) //! If preci < 0 the vertices are considered with their own //! tolerances, else with the given . Standard_EXPORT Standard_Boolean CheckVerticesWithCurve3d (const TopoDS_Edge& edge, const Standard_Real preci = -1, const Standard_Integer vtx = 0); Standard_EXPORT Standard_Boolean CheckVerticesWithPCurve (const TopoDS_Edge& edge, const TopoDS_Face& face, const Standard_Real preci = -1, const Standard_Integer vtx = 0); //! Checks the start and/or end vertex of the edge for matching //! with pcurve with the given precision. //! = 1 : start vertex //! = 2 : end vertex //! = 0 : both //! If preci < 0 the vertices are considered with their own //! tolerances, else with the given . Standard_EXPORT Standard_Boolean CheckVerticesWithPCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location, const Standard_Real preci = -1, const Standard_Integer vtx = 0); Standard_EXPORT Standard_Boolean CheckVertexTolerance (const TopoDS_Edge& edge, const TopoDS_Face& face, Standard_Real& toler1, Standard_Real& toler2); //! Checks if it is necessary to increase tolerances of the edge //! vertices to comprise the ends of 3d curve and pcurve on //! the given face (first method) or all pcurves stored in an edge //! (second one) //! toler1 returns necessary tolerance for first vertex, //! toler2 returns necessary tolerance for last vertex. Standard_EXPORT Standard_Boolean CheckVertexTolerance (const TopoDS_Edge& edge, Standard_Real& toler1, Standard_Real& toler2); Standard_EXPORT Standard_Boolean CheckCurve3dWithPCurve (const TopoDS_Edge& edge, const TopoDS_Face& face); //! Checks mutual orientation of 3d curve and pcurve on the //! analysis of curves bounding points Standard_EXPORT Standard_Boolean CheckCurve3dWithPCurve (const TopoDS_Edge& edge, const Handle(Geom_Surface)& surface, const TopLoc_Location& location); //! Returns the status (in the form of True/False) of last Check Standard_EXPORT Standard_Boolean Status (const ShapeExtend_Status status) const; //! Checks the edge to be SameParameter. //! Calculates the maximal deviation between 3d curve and each //! pcurve of the edge on equidistant points (the same //! algorithm as in BRepCheck; default value is 23 as in BRepCheck). //! This deviation is returned in parameter. //! If deviation is greater than tolerance of the edge (i.e. //! incorrect flag) returns False, else returns True. Standard_EXPORT Standard_Boolean CheckSameParameter (const TopoDS_Edge& edge, Standard_Real& maxdev, const Standard_Integer NbControl = 23); //! Checks the edge to be SameParameter. //! Calculates the maximal deviation between 3d curve and each //! pcurve of the edge on equidistant points (the same //! algorithm as in BRepCheck; default value is 23 as in BRepCheck). //! This deviation is returned in parameter. //! If deviation is greater than tolerance of the edge (i.e. //! incorrect flag) returns False, else returns True. Standard_EXPORT Standard_Boolean CheckSameParameter (const TopoDS_Edge& theEdge, const TopoDS_Face& theFace, Standard_Real& theMaxdev, const Standard_Integer theNbControl = 23); //! Checks possibility for pcurve thePC to have range [theFirst, theLast] (edge range) //! having respect to real first, last parameters of thePC Standard_EXPORT Standard_Boolean CheckPCurveRange (const Standard_Real theFirst, const Standard_Real theLast, const Handle(Geom2d_Curve)& thePC); //! Checks the first edge is overlapped with second edge. //! If distance between two edges is less then theTolOverlap //! edges are overlapped. //! theDomainDis - length of part of edges on which edges are overlapped. Standard_EXPORT Standard_Boolean CheckOverlapping (const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2, Standard_Real& theTolOverlap, const Standard_Real theDomainDist = 0.0); protected: Standard_Integer myStatus; private: //! Check points by pairs (A and A, B and B) with precisions //! (preci1 and preci2). //! P1 are the points either from 3d curve or from vertices, //! P2 are the points from pcurve Standard_EXPORT Standard_Boolean CheckPoints (const gp_Pnt& P1A, const gp_Pnt& P1B, const gp_Pnt& P2A, const gp_Pnt& P2B, const Standard_Real preci1, const Standard_Real preci2); }; #endif // _ShapeAnalysis_Edge_HeaderFile