-- Created on: 1996-02-27 -- Created by: Laurent PAINNOT -- Copyright (c) 1996-1999 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. class FastDiscret from BRepMesh inherits TShared from MMgt ---Purpose: Algorithm to mesh a shape with respect of the -- frontier the deflection and by option the shared -- components. uses Boolean from Standard, Integer from Standard, Box from Bnd, Real from Standard, Shape from TopoDS, Face from TopoDS, Edge from TopoDS, FaceAttribute from BRepMesh, Vertex from TopoDS, Triangle from BRepMesh, Vertex from BRepMesh, Edge from BRepMesh, ListOfInteger from TColStd, MapOfInteger from TColStd, SequenceOfInteger from TColStd, ListOfReal from TColStd, IndexedMapOfInteger from TColStd, SequenceOfPnt2d from TColgp, Dir from gp, Pnt from gp, XY from gp, Pnt2d from gp, DataMapOfIntegerPnt from BRepMesh, DataMapOfIntegerListOfXY from BRepMesh, DataMapOfShapePairOfPolygon from BRepMesh, Delaun from BRepMesh, DataMapOfVertexInteger from BRepMesh, DataStructureOfDelaun from BRepMesh, ListOfVertex from BRepMesh, MapOfShape from TopTools, HSurface from BRepAdaptor, ClassifierPtr from BRepMesh, IndexedMapOfReal from TColStd, Status from BRepMesh, DataMapOfShapeReal from TopTools, ListOfShape from TopTools, Curve from Geom2d, MapOfInteger from BRepMesh, BaseAllocator from BRepMesh, DataMapOfFaceAttribute from BRepMesh, IndexedDataMapOfShapeListOfShape from TopTools, MutexForShapeProvider from TopTools, ShapeEnum from TopAbs is Create (defle : Real from Standard; angle : Real from Standard; B : Box from Bnd; withShare : Boolean from Standard=Standard_True; inshape : Boolean from Standard=Standard_False; relative : Boolean from Standard=Standard_False; shapetrigu : Boolean from Standard=Standard_False; isInParallel: Boolean from Standard=Standard_False) returns FastDiscret from BRepMesh; Create (defle : Real from Standard; shape : Shape from TopoDS; B : Box from Bnd; angle : Real from Standard; withShare : Boolean from Standard=Standard_True; inshape : Boolean from Standard=Standard_False; relative : Boolean from Standard=Standard_False; shapetrigu : Boolean from Standard=Standard_False; isInParallel: Boolean from Standard=Standard_False) ---Purpose: if the boolean is True, the -- deflection used for the polygonalisation of -- each edge will be * Size of Edge. -- the deflection used for the faces will be the maximum -- deflection of their edges. -- -- if is True, the triangulation, if exists -- with a correct deflection, can be used to re-triangulate -- the shape. -- -- if is True, the calculated -- triangulation will be stored in the shape. returns FastDiscret from BRepMesh; Perform (me: mutable; shape: Shape from TopoDS) is static; ---Purpose: Build triangulation on the whole shape Add (me: mutable; face: Face from TopoDS; ancestor : IndexedDataMapOfShapeListOfShape from TopTools) is static; ---Purpose: Record a face for further processing. Process (me; face: Face from TopoDS) is static; ---Purpose: Triangulate a face previously recorded for -- processing by call to Add(). Can be executed in -- parallel threads. ---C++: alias operator () CurrentFaceStatus(me) returns Status from BRepMesh; Add (me : mutable; edge : Edge from TopoDS; face : Face from TopoDS; S : HSurface from BRepAdaptor; C : Curve from Geom2d; ancestor : IndexedDataMapOfShapeListOfShape from TopTools; defedge: Real from Standard; first : Real from Standard; last : Real from Standard) is static private; Add (me : mutable; theVert: Vertex from TopoDS; face : Face from TopoDS; S : HSurface from BRepAdaptor) is private; Update (me: mutable; Edge : Edge from TopoDS; Face : Face from TopoDS; C : Curve from Geom2d; defedge: Real from Standard; first : Real from Standard; last : Real from Standard) returns Boolean is private; RelativeEdgeDeflection(myclass; edge : Edge from TopoDS; defle : Real from Standard; dtotale : Real from Standard; cdef : out Real from Standard) ---Purpose: Returns computed relative deflection for edge returns Real from Standard; BoxMaxDimension(myclass; box : in Box from Bnd; maxdim : out Real from Standard); ---Purpose: Returns the maximal dimension of Bnd_Box InternalVertices (me : mutable; caro : HSurface from BRepAdaptor; inter : in out ListOfVertex from BRepMesh; defedge : Real from Standard; classifier : ClassifierPtr from BRepMesh) is static private; Control (me : mutable; caro : HSurface from BRepAdaptor; defface : Real from Standard; inter : in out ListOfVertex from BRepMesh; badTri : in out ListOfInteger from TColStd; nulTri : in out ListOfInteger from TColStd; trigu : in out Delaun from BRepMesh; isfirst : Boolean from Standard) returns Real from Standard is static private; AddInShape(me: mutable; face : Face from TopoDS; defedge: Real from Standard) is static private; SetParallel ( me : mutable; theInParallel : Boolean from Standard); ---Purpose: -- Request algorithm to launch in multiple threads -- to improve performance (should be supported by plugin). IsParallel (me) returns Boolean from Standard; ---Purpose: -- Returns the multi-threading usage flag. CreateMutexesForSubShapes(me : mutable; theShape : Shape from TopoDS; theType : ShapeEnum from TopAbs); ---Purpose: -- Creates mutexes for each sub-shape of type theType in theShape. -- Used to avoid data races. RemoveAllMutexes(me: mutable); ---Purpose: -- Removes all created mutexes -- Output : NbTriangles(me) ---Purpose: Gives the number of built triangles. returns Integer from Standard is static; Triangle (me; Index : Integer from Standard) ---Purpose: Gives the triangle of . ---C++: return const & returns Triangle from BRepMesh is static; NbEdges (me) ---Purpose: Gives the number of built Edges returns Integer from Standard is static; Edge (me; Index : Integer from Standard) ---Purpose: Gives the edge of index . ---C++: return const & returns Edge from BRepMesh is static; NbVertices (me) ---Purpose: Gives the number of built Vertices. returns Integer from Standard is static; Vertex (me; Index : Integer from Standard) ---Purpose: Gives the vertex of . ---C++: return const & returns Vertex from BRepMesh is static; Pnt (me; Index : Integer from Standard) ---Purpose: Gives the location3d of the vertex of . ---C++: return const & returns Pnt from gp is static; VerticesOfDomain (me; Indices : in out MapOfInteger from BRepMesh) ---Purpose: Gives the list of indices of the vertices is static; EdgesOfDomain (me; Indices : in out MapOfInteger from BRepMesh) ---Purpose: Gives the list of indices of the edges ---C++: inline is static; TrianglesOfDomain(me; Indices: in out MapOfInteger from BRepMesh) ---Purpose: Gives the list of indices of the triangles ---C++: inline is static; NbPoint3d (me) ---Purpose: Gives the number of different location in 3d -- space. It is different of the number of -- vertices if there is more than one surface. -- Even for one surface, the number can be different -- if an edge is shared. ---C++: inline returns Integer from Standard is static; Point3d (me; Index : Integer from Standard) ---Purpose: Gives the 3d space location of the vertex . ---C++: return const & ---C++: inline returns Pnt from gp is static; GetDeflection(me) ---Purpose: returns the deflection value. ---C++: inline returns Real from Standard; GetAngle(me) ---Purpose: returns the deflection value. ---C++: inline returns Real from Standard; WithShare(me) ---C++: inline returns Boolean from Standard; InShape(me) ---C++: inline returns Boolean from Standard; ShapeTrigu(me) ---C++: inline returns Boolean from Standard; GetFaceAttribute(me; face : Face from TopoDS; fattrib : in out FaceAttribute from BRepMesh) ---Purpose: returns the face deflection value. returns Boolean from Standard; RemoveFaceAttribute(me : mutable; face : Face from TopoDS); ---Purpose: remove face attribute as useless to free locate memory GetMapOfDefEdge(me) ---C++: return const & ---C++: inline returns DataMapOfShapeReal from TopTools; fields myAngle : Real from Standard; myDeflection : Real from Standard; myDtotale : Real from Standard; myWithShare : Boolean from Standard; myInParallel : Boolean from Standard; myVertices : DataMapOfVertexInteger from BRepMesh; myEdges : DataMapOfShapePairOfPolygon from BRepMesh; myInternaledges: DataMapOfShapePairOfPolygon from BRepMesh; myNbLocat : Integer from Standard; myLocation3d : DataMapOfIntegerPnt from BRepMesh; myStructure : DataStructureOfDelaun from BRepMesh; myMapattrib : DataMapOfFaceAttribute from BRepMesh; myVemap : IndexedMapOfInteger from TColStd; myLocation2d : DataMapOfIntegerListOfXY from BRepMesh; myRelative : Boolean from Standard; myShapetrigu : Boolean from Standard; myInshape : Boolean from Standard; myFacestate : Status from BRepMesh; myMapdefle : DataMapOfShapeReal from TopTools; myNottriangulated : ListOfShape from TopTools; myAllocator : BaseAllocator from BRepMesh; myMutexProvider: MutexForShapeProvider from TopTools; end FastDiscret;