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253 lines
9.1 KiB
C++
253 lines
9.1 KiB
C++
// Created on: 1992-08-28
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// Created by: Remi LEQUETTE
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepTools_HeaderFile
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#define _BRepTools_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_Boolean.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <Standard_OStream.hxx>
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#include <Standard_IStream.hxx>
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#include <Standard_CString.hxx>
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#include <Message_ProgressIndicator.hxx>
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class TopoDS_Face;
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class TopoDS_Wire;
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class TopoDS_Edge;
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class Bnd_Box2d;
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class TopoDS_Vertex;
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class TopoDS_Shell;
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class TopoDS_Solid;
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class TopoDS_CompSolid;
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class TopoDS_Compound;
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class TopoDS_Shape;
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class Message_ProgressIndicator;
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class BRep_Builder;
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class BRepTools_WireExplorer;
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class BRepTools_Modification;
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class BRepTools_Modifier;
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class BRepTools_TrsfModification;
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class BRepTools_NurbsConvertModification;
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class BRepTools_GTrsfModification;
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class BRepTools_Substitution;
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class BRepTools_Quilt;
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class BRepTools_ShapeSet;
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class BRepTools_ReShape;
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class Geom_Curve;
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class Geom2d_Curve;
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class Geom_Surface;
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//! The BRepTools package provides utilities for BRep
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//! data structures.
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//!
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//! * WireExplorer : A tool to explore the topology of
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//! a wire in the order of the edges.
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//!
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//! * ShapeSet : Tools used for dumping, writing and
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//! reading.
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//!
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//! * UVBounds : Methods to compute the limits of the
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//! boundary of a face, a wire or an edge in the
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//! parametric space of a face.
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//!
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//! * Update : Methods to call when a topology has
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//! been created to compute all missing data.
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//!
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//! * UpdateFaceUVPoints : Method to update the UV
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//! points stored with the edges on a face. This
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//! method ensure that connected edges have the same
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//! UV point on their common extremity.
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//!
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//! * Compare : Method to compare two vertices.
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//!
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//! * Compare : Method to compare two edges.
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//!
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//! * OuterWire : A method to find the outer wire of a
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//! face.
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//!
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//! * Map3DEdges : A method to map all the 3D Edges of
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//! a Shape.
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//!
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//! * Dump : A method to dump a BRep object.
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class BRepTools
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Returns in UMin, UMax, VMin, VMax the bounding
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//! values in the parametric space of F.
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Standard_EXPORT static void UVBounds (const TopoDS_Face& F, Standard_Real& UMin, Standard_Real& UMax, Standard_Real& VMin, Standard_Real& VMax);
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//! Returns in UMin, UMax, VMin, VMax the bounding
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//! values of the wire in the parametric space of F.
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Standard_EXPORT static void UVBounds (const TopoDS_Face& F, const TopoDS_Wire& W, Standard_Real& UMin, Standard_Real& UMax, Standard_Real& VMin, Standard_Real& VMax);
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//! Returns in UMin, UMax, VMin, VMax the bounding
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//! values of the edge in the parametric space of F.
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Standard_EXPORT static void UVBounds (const TopoDS_Face& F, const TopoDS_Edge& E, Standard_Real& UMin, Standard_Real& UMax, Standard_Real& VMin, Standard_Real& VMax);
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//! Adds to the box <B> the bounding values in the
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//! parametric space of F.
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Standard_EXPORT static void AddUVBounds (const TopoDS_Face& F, Bnd_Box2d& B);
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//! Adds to the box <B> the bounding values of the
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//! wire in the parametric space of F.
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Standard_EXPORT static void AddUVBounds (const TopoDS_Face& F, const TopoDS_Wire& W, Bnd_Box2d& B);
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//! Adds to the box <B> the bounding values of the
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//! edge in the parametric space of F.
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Standard_EXPORT static void AddUVBounds (const TopoDS_Face& F, const TopoDS_Edge& E, Bnd_Box2d& B);
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//! Update a vertex (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_Vertex& V);
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//! Update an edge, compute 2d bounding boxes.
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Standard_EXPORT static void Update (const TopoDS_Edge& E);
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//! Update a wire (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_Wire& W);
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//! Update a Face, update UV points.
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Standard_EXPORT static void Update (const TopoDS_Face& F);
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//! Update a shell (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_Shell& S);
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//! Update a solid (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_Solid& S);
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//! Update a composite solid (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_CompSolid& C);
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//! Update a compound (nothing is done)
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Standard_EXPORT static void Update (const TopoDS_Compound& C);
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//! Update a shape, call the corect update.
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Standard_EXPORT static void Update (const TopoDS_Shape& S);
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//! For all the edges of the face <F> reset the UV
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//! points to ensure that connected faces have the
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//! same point at there common extremity.
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Standard_EXPORT static void UpdateFaceUVPoints (const TopoDS_Face& F);
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//! Removes all the triangulations of the faces of <S>
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//! and removes all polygons on triangulations of the
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//! edges.
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Standard_EXPORT static void Clean (const TopoDS_Shape& S);
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//! Removes all the pcurves of the edges of <S> that
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//! refer to surfaces not belonging to any face of <S>
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Standard_EXPORT static void RemoveUnusedPCurves (const TopoDS_Shape& S);
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//! verifies that each face from the shape <S> has got
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//! a triangulation with a deflection <= deflec and
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//! the edges a discretisation on this triangulation.
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Standard_EXPORT static Standard_Boolean Triangulation (const TopoDS_Shape& S, const Standard_Real deflec);
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//! Returns True if the distance between the two
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//! vertices is lower than their tolerance.
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Standard_EXPORT static Standard_Boolean Compare (const TopoDS_Vertex& V1, const TopoDS_Vertex& V2);
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//! Returns True if the distance between the two
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//! edges is lower than their tolerance.
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Standard_EXPORT static Standard_Boolean Compare (const TopoDS_Edge& E1, const TopoDS_Edge& E2);
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//! Returns the outer most wire of <F>. Returns a Null
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//! wire if <F> has no wires.
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Standard_EXPORT static TopoDS_Wire OuterWire (const TopoDS_Face& F);
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//! Stores in the map <M> all the 3D topology edges
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//! of <S>.
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Standard_EXPORT static void Map3DEdges (const TopoDS_Shape& S, TopTools_IndexedMapOfShape& M);
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//! Verifies that the edge <E> is found two times on
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//! the face <F> before calling BRep_Tool::IsClosed.
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Standard_EXPORT static Standard_Boolean IsReallyClosed (const TopoDS_Edge& E, const TopoDS_Face& F);
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//! Dumps the topological structure and the geometry
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//! of <Sh> on the stream <S>.
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Standard_EXPORT static void Dump (const TopoDS_Shape& Sh, Standard_OStream& S);
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//! Writes <Sh> on <S> in an ASCII format.
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Standard_EXPORT static void Write (const TopoDS_Shape& Sh, Standard_OStream& S, const Handle(Message_ProgressIndicator)& PR = NULL);
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//! Reads a Shape from <S> in returns it in <Sh>.
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//! <B> is used to build the shape.
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Standard_EXPORT static void Read (TopoDS_Shape& Sh, Standard_IStream& S, const BRep_Builder& B, const Handle(Message_ProgressIndicator)& PR = NULL);
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//! Writes <Sh> in <File>.
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Standard_EXPORT static Standard_Boolean Write (const TopoDS_Shape& Sh, const Standard_CString File, const Handle(Message_ProgressIndicator)& PR = NULL);
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//! Reads a Shape from <File>, returns it in <Sh>.
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//! <B> is used to build the shape.
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Standard_EXPORT static Standard_Boolean Read (TopoDS_Shape& Sh, const Standard_CString File, const BRep_Builder& B, const Handle(Message_ProgressIndicator)& PR = NULL);
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//! Evals real tolerance of edge <theE>.
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//! <theC3d>, <theC2d>, <theS>, <theF>, <theL> are
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//! correspondently 3d curve of edge, 2d curve on surface <theS> and
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//! rang of edge
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//! If calculated tolerance is more then current edge tolerance, edge is updated.
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//! Method returns actual tolerance of edge
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Standard_EXPORT static Standard_Real EvalAndUpdateTol(const TopoDS_Edge& theE,
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const Handle(Geom_Curve)& theC3d,
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const Handle(Geom2d_Curve) theC2d,
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const Handle(Geom_Surface)& theS,
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const Standard_Real theF,
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const Standard_Real theL);
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protected:
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private:
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friend class BRepTools_WireExplorer;
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friend class BRepTools_Modification;
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friend class BRepTools_Modifier;
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friend class BRepTools_TrsfModification;
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friend class BRepTools_NurbsConvertModification;
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friend class BRepTools_GTrsfModification;
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friend class BRepTools_Substitution;
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friend class BRepTools_Quilt;
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friend class BRepTools_ShapeSet;
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friend class BRepTools_ReShape;
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};
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#endif // _BRepTools_HeaderFile
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