// Created on: 1993-12-15 // Created by: Remi LEQUETTE // Copyright (c) 1993-1999 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 _BRepLib_HeaderFile #define _BRepLib_HeaderFile #include #include #include #include #include #include #include #include #include #include #include class Geom2d_Curve; class Adaptor3d_Curve; class Geom_Plane; class TopoDS_Shape; class TopoDS_Solid; class TopoDS_Face; class BRepTools_ReShape; //! The BRepLib package provides general utilities for //! BRep. //! //! * FindSurface : Class to compute a surface through //! a set of edges. //! //! * Compute missing 3d curve on an edge. class BRepLib { public: DEFINE_STANDARD_ALLOC //! Computes the max distance between edge //! and its 2d representation on the face. //! Sets the default precision. The current Precision //! is returned. Standard_EXPORT static void Precision (const Standard_Real P); //! Returns the default precision. Standard_EXPORT static Standard_Real Precision(); //! Sets the current plane to P. Standard_EXPORT static void Plane (const Handle(Geom_Plane)& P); //! Returns the current plane. Standard_EXPORT static const Handle(Geom_Plane)& Plane(); //! checks if the Edge is same range IGNORING //! the same range flag of the edge //! Confusion argument is to compare real numbers //! idenpendently of any model space tolerance Standard_EXPORT static Standard_Boolean CheckSameRange (const TopoDS_Edge& E, const Standard_Real Confusion = 1.0e-12); //! will make all the curve representation have //! the same range domain for the parameters. //! This will IGNORE the same range flag value //! to proceed. //! If there is a 3D curve there it will the //! range of that curve. If not the first curve representation //! encountered in the list will give its range to //! the all the other curves. Standard_EXPORT static void SameRange (const TopoDS_Edge& E, const Standard_Real Tolerance = 1.0e-5); //! Computes the 3d curve for the edge if it does //! not exist. Returns True if the curve was computed //! or existed. Returns False if there is no planar //! pcurve or the computation failed. //! >= 30 in approximation Standard_EXPORT static Standard_Boolean BuildCurve3d (const TopoDS_Edge& E, const Standard_Real Tolerance = 1.0e-5, const GeomAbs_Shape Continuity = GeomAbs_C1, const Standard_Integer MaxDegree = 14, const Standard_Integer MaxSegment = 0); //! Computes the 3d curves for all the edges of //! return False if one of the computation failed. //! >= 30 in approximation Standard_EXPORT static Standard_Boolean BuildCurves3d (const TopoDS_Shape& S, const Standard_Real Tolerance, const GeomAbs_Shape Continuity = GeomAbs_C1, const Standard_Integer MaxDegree = 14, const Standard_Integer MaxSegment = 0); //! Computes the 3d curves for all the edges of //! return False if one of the computation failed. Standard_EXPORT static Standard_Boolean BuildCurves3d (const TopoDS_Shape& S); //! Builds pcurve of edge on face if the surface is plane, and updates the edge. Standard_EXPORT static void BuildPCurveForEdgeOnPlane(const TopoDS_Edge& theE, const TopoDS_Face& theF); //! Builds pcurve of edge on face if the surface is plane, but does not update the edge. //! The output are the pcurve and the flag telling that pcurve was built. Standard_EXPORT static void BuildPCurveForEdgeOnPlane(const TopoDS_Edge& theE, const TopoDS_Face& theF, Handle(Geom2d_Curve)& aC2D, Standard_Boolean& bToUpdate); //! Builds pcurves of edges on face if the surface is plane, and update the edges. template static void BuildPCurveForEdgesOnPlane(const TCont& theLE, const TopoDS_Face& theF) { for (typename TCont::Iterator aIt(theLE); aIt.More(); aIt.Next()) { const TopoDS_Edge& aE = TopoDS::Edge(aIt.Value()); if (!aE.IsNull()) BRepLib::BuildPCurveForEdgeOnPlane(aE, theF); } } //! Checks if the edge has a Tolerance smaller than -- -- //! -- -- MaxToleranceToCheck if so it will compute the //! radius of -- the cylindrical pipe surface that //! MinToleranceRequest is the minimum tolerance before it //! is useful to start testing. //! Usually it should be around 10e-5 //! contains all -- the curve representation of the edge //! returns True if the Edge tolerance had to be updated Standard_EXPORT static Standard_Boolean UpdateEdgeTol (const TopoDS_Edge& E, const Standard_Real MinToleranceRequest, const Standard_Real MaxToleranceToCheck); //! -- Checks all the edges of the shape whose -- -- -- //! Tolerance is smaller than MaxToleranceToCheck -- //! Returns True if at least one edge was updated -- //! MinToleranceRequest is the minimum tolerance before //! -- it -- is useful to start testing. //! Usually it should be around -- 10e-5-- //! //! Warning :The method is very slow as it checks all. //! Use only in interfaces or processing assimilate batch Standard_EXPORT static Standard_Boolean UpdateEdgeTolerance (const TopoDS_Shape& S, const Standard_Real MinToleranceRequest, const Standard_Real MaxToleranceToCheck); //! Computes new 2d curve(s) for the edge to have //! the same parameter as the 3d curve. //! The algorithm is not done if the flag SameParameter //! was True on the Edge. Standard_EXPORT static void SameParameter (const TopoDS_Edge& theEdge, const Standard_Real Tolerance = 1.0e-5); //! Computes new 2d curve(s) for the edge to have //! the same parameter as the 3d curve. //! The algorithm is not done if the flag SameParameter //! was True on the Edge.
//! theNewTol is a new tolerance of vertices of the input edge //! (not applied inside the algorithm, but pre-computed). //! If IsUseOldEdge is true then the input edge will be modified, //! otherwise the new copy of input edge will be created. //! Returns the new edge as a result, can be ignored if IsUseOldEdge is true. Standard_EXPORT static TopoDS_Edge SameParameter(const TopoDS_Edge& theEdge, const Standard_Real theTolerance, Standard_Real& theNewTol, const Standard_Boolean IsUseOldEdge); //! Computes new 2d curve(s) for all the edges of //! to have the same parameter as the 3d curve. //! The algorithm is not done if the flag SameParameter //! was True on an Edge. Standard_EXPORT static void SameParameter(const TopoDS_Shape& S, const Standard_Real Tolerance = 1.0e-5, const Standard_Boolean forced = Standard_False); //! Computes new 2d curve(s) for all the edges of //! to have the same parameter as the 3d curve. //! The algorithm is not done if the flag SameParameter //! was True on an Edge.
//! theReshaper is used to record the modifications of input shape to prevent any //! modifications on the shape itself. //! Thus the input shape (and its subshapes) will not be modified, instead the reshaper will //! contain a modified empty-copies of original subshapes as substitutions. Standard_EXPORT static void SameParameter(const TopoDS_Shape& S, BRepTools_ReShape& theReshaper, const Standard_Real Tolerance = 1.0e-5, const Standard_Boolean forced = Standard_False ); //! Replaces tolerance of FACE EDGE VERTEX by the //! tolerance Max of their connected handling shapes. //! It is not necessary to use this call after //! SameParameter. (called in) Standard_EXPORT static void UpdateTolerances (const TopoDS_Shape& S, const Standard_Boolean verifyFaceTolerance = Standard_False); //! Replaces tolerance of FACE EDGE VERTEX by the //! tolerance Max of their connected handling shapes. //! It is not necessary to use this call after //! SameParameter. (called in)
//! theReshaper is used to record the modifications of input shape to prevent any //! modifications on the shape itself. //! Thus the input shape (and its subshapes) will not be modified, instead the reshaper will //! contain a modified empty-copies of original subshapes as substitutions. Standard_EXPORT static void UpdateTolerances (const TopoDS_Shape& S, BRepTools_ReShape& theReshaper, const Standard_Boolean verifyFaceTolerance = Standard_False ); //! Checks tolerances of edges (including inner points) and vertices //! of a shape and updates them to satisfy "SameParameter" condition Standard_EXPORT static void UpdateInnerTolerances (const TopoDS_Shape& S); //! Orients the solid forward and the shell with the //! orientation to have matter in the solid. Returns //! False if the solid is unOrientable (open or incoherent) Standard_EXPORT static Standard_Boolean OrientClosedSolid (TopoDS_Solid& solid); //! Encodes the Regularity of edges on a Shape. //! Warning: is an angular tolerance, expressed in Rad. //! Warning: If the edges's regularity are coded before, nothing //! is done. Standard_EXPORT static void EncodeRegularity (const TopoDS_Shape& S, const Standard_Real TolAng = 1.0e-10); //! Encodes the Regularity of edges in list on the shape //! Warning: is an angular tolerance, expressed in Rad. //! Warning: If the edges's regularity are coded before, nothing //! is done. Standard_EXPORT static void EncodeRegularity(const TopoDS_Shape& S, const TopTools_ListOfShape& LE, const Standard_Real TolAng = 1.0e-10); //! Encodes the Regularity between and by //! Warning: is an angular tolerance, expressed in Rad. //! Warning: If the edge's regularity is coded before, nothing //! is done. Standard_EXPORT static void EncodeRegularity (TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const Standard_Real TolAng = 1.0e-10); //! Sorts in LF the Faces of S on the complexity of //! their surfaces //! (Plane,Cylinder,Cone,Sphere,Torus,other) Standard_EXPORT static void SortFaces (const TopoDS_Shape& S, TopTools_ListOfShape& LF); //! Sorts in LF the Faces of S on the reverse //! complexity of their surfaces //! (other,Torus,Sphere,Cone,Cylinder,Plane) Standard_EXPORT static void ReverseSortFaces (const TopoDS_Shape& S, TopTools_ListOfShape& LF); //! Corrects the normals in Poly_Triangulation of faces, //! in such way that normals at nodes lying along smooth //! edges have the same value on both adjacent triangulations. //! Returns TRUE if any correction is done. Standard_EXPORT static Standard_Boolean EnsureNormalConsistency (const TopoDS_Shape& S, const Standard_Real theAngTol = 0.001, const Standard_Boolean ForceComputeNormals = Standard_False); //! Updates value of deflection in Poly_Triangulation of faces //! by the maximum deviation measured on existing triangulation. Standard_EXPORT static void UpdateDeflection (const TopoDS_Shape& S); //! Calculates the bounding sphere around the set of vertexes from the theLV list. //! Returns the center (theNewCenter) and the radius (theNewTol) of this sphere. //! This can be used to construct the new vertex which covers the given set of //! other vertices. Standard_EXPORT static void BoundingVertex(const NCollection_List& theLV, gp_Pnt& theNewCenter, Standard_Real& theNewTol); //! For an edge defined by 3d curve and tolerance and vertices defined by points, //! parameters on curve and tolerances, //! finds a range of curve between vertices not covered by vertices tolerances. //! Returns false if there is no such range. Otherwise, sets theFirst and //! theLast as its bounds. Standard_EXPORT static Standard_Boolean FindValidRange (const Adaptor3d_Curve& theCurve, const Standard_Real theTolE, const Standard_Real theParV1, const gp_Pnt& thePntV1, const Standard_Real theTolV1, const Standard_Real theParV2, const gp_Pnt& thePntV2, const Standard_Real theTolV2, Standard_Real& theFirst, Standard_Real& theLast); //! Finds a range of 3d curve of the edge not covered by vertices tolerances. //! Returns false if there is no such range. Otherwise, sets theFirst and //! theLast as its bounds. Standard_EXPORT static Standard_Boolean FindValidRange (const TopoDS_Edge& theEdge, Standard_Real& theFirst, Standard_Real& theLast); //! Enlarges the face on the given value. //! @param theF [in] The face to extend //! @param theExtVal [in] The extension value //! @param theExtUMin [in] Defines whether to extend the face in UMin direction //! @param theExtUMax [in] Defines whether to extend the face in UMax direction //! @param theExtVMin [in] Defines whether to extend the face in VMin direction //! @param theExtVMax [in] Defines whether to extend the face in VMax direction //! @param theFExtended [in] The extended face Standard_EXPORT static void ExtendFace(const TopoDS_Face& theF, const Standard_Real theExtVal, const Standard_Boolean theExtUMin, const Standard_Boolean theExtUMax, const Standard_Boolean theExtVMin, const Standard_Boolean theExtVMax, TopoDS_Face& theFExtended); protected: private: friend class BRepLib_Command; friend class BRepLib_MakeShape; friend class BRepLib_MakeVertex; friend class BRepLib_MakeEdge; friend class BRepLib_MakeEdge2d; friend class BRepLib_MakePolygon; friend class BRepLib_MakeFace; friend class BRepLib_MakeWire; friend class BRepLib_MakeShell; friend class BRepLib_MakeSolid; friend class BRepLib_FindSurface; friend class BRepLib_FuseEdges; friend class BRepLib_CheckCurveOnSurface; }; #endif // _BRepLib_HeaderFile