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occt/src/BRepOffset/BRepOffset_Tool.hxx

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// Created on: 1995-10-23
// Created by: Yves FRICAUD
// Copyright (c) 1995-1999 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 _BRepOffset_Tool_HeaderFile
#define _BRepOffset_Tool_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <Standard_Boolean.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopAbs_State.hxx>
#include <Standard_Real.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
#include <TopTools_DataMapOfShapeListOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
class TopoDS_Edge;
class TopoDS_Vertex;
class TopoDS_Face;
class BRepOffset_Analyse;
class TopoDS_Wire;
class TopoDS_Shape;
class BRepAlgo_AsDes;
class BRepAlgo_Image;
class Geom_Curve;
class BRepOffset_Tool
{
public:
DEFINE_STANDARD_ALLOC
//! <V1> is the FirstVertex ,<V2> is the Last Vertex of <Edge>
//! taking account the orientation of Edge.
Standard_EXPORT static void EdgeVertices (const TopoDS_Edge& E, TopoDS_Vertex& V1, TopoDS_Vertex& V2);
//! <E> is a section between <F1> and <F2>. Computes
//! <O1> the orientation of <E> in <F1> influenced by <F2>.
//! idem for <O2>.
Standard_EXPORT static void OrientSection (const TopoDS_Edge& E,
const TopoDS_Face& F1,
const TopoDS_Face& F2,
TopAbs_Orientation& O1,
TopAbs_Orientation& O2);
//! Looks for the common Vertices and Edges between faces <theF1> and <theF2>.<br>
//! Returns TRUE if common shapes have been found.<br>
//! <theLE> will contain the found common edges;<br>
//! <theLV> will contain the found common vertices.
Standard_EXPORT static Standard_Boolean FindCommonShapes(const TopoDS_Face& theF1,
const TopoDS_Face& theF2,
TopTools_ListOfShape& theLE,
TopTools_ListOfShape& theLV);
//! Looks for the common shapes of type <theType> between shapes <theS1> and <theS2>.<br>
//! Returns TRUE if common shapes have been found.<br>
//! <theLSC> will contain the found common shapes.
Standard_EXPORT static Standard_Boolean FindCommonShapes(const TopoDS_Shape& theS1,
const TopoDS_Shape& theS2,
const TopAbs_ShapeEnum theType,
TopTools_ListOfShape& theLSC);
//! Computes the Section between <F1> and <F2> the
//! edges solution are stored in <LInt1> with the
//! orientation on <F1>, the sames edges are stored in
//! <Lint2> with the orientation on <F2>.
Standard_EXPORT static void Inter3D (const TopoDS_Face& F1,
const TopoDS_Face& F2,
TopTools_ListOfShape& LInt1,
TopTools_ListOfShape& LInt2,
const TopAbs_State Side,
const TopoDS_Edge& RefEdge,
const TopoDS_Face& RefFace1,
const TopoDS_Face& RefFace2);
//! Find if the edges <Edges> of the face <F2> are on
//! the face <F1>.
//! Set in <LInt1> <LInt2> the updated edges.
//! If all the edges are computed, returns true.
Standard_EXPORT static Standard_Boolean TryProject (const TopoDS_Face& F1,
const TopoDS_Face& F2,
const TopTools_ListOfShape& Edges,
TopTools_ListOfShape& LInt1,
TopTools_ListOfShape& LInt2,
const TopAbs_State Side,
const Standard_Real TolConf);
Standard_EXPORT static void PipeInter (const TopoDS_Face& F1,
const TopoDS_Face& F2,
TopTools_ListOfShape& LInt1,
TopTools_ListOfShape& LInt2,
const TopAbs_State Side);
Standard_EXPORT static void Inter2d (const TopoDS_Face& F,
const TopoDS_Edge& E1,
const TopoDS_Edge& E2,
TopTools_ListOfShape& LV,
const Standard_Real Tol);
Standard_EXPORT static void InterOrExtent (const TopoDS_Face& F1,
const TopoDS_Face& F2,
TopTools_ListOfShape& LInt1,
TopTools_ListOfShape& LInt2,
const TopAbs_State Side);
Standard_EXPORT static void CheckBounds (const TopoDS_Face& F,
const BRepOffset_Analyse& Analyse,
Standard_Boolean& enlargeU,
Standard_Boolean& enlargeVfirst,
Standard_Boolean& enlargeVlast);
//! Returns True if The Surface of <NF> has changed.
//! if <ChangeGeom> is TRUE , the surface can be
//! changed .
//! if <UpdatePCurve> is TRUE, update the pcurves of the
//! edges of <F> on the new surface if the surface has been changed.
//! <enlargeU>, <enlargeVfirst>, <enlargeVlast> allow or forbid
//! enlargement in U and V directions correspondingly.
//! <theExtensionMode> is a mode of extension of the surface of the face:
//! if <theExtensionMode> equals 1, potentially infinite surfaces are extended by maximum value,
//! and limited surfaces are extended by 25%.
//! if <theExtensionMode> equals 2, potentially infinite surfaces are extended by
//! 10*(correspondent size of face),
//! and limited surfaces are extended by 100%.
//! <theLenBeforeUfirst>, <theLenAfterUlast>, <theLenBeforeVfirst>, <theLenAfterVlast>
//! set the values of enlargement on correspondent directions.
//! If some of them equals -1, the default value of enlargement is used.
Standard_EXPORT static Standard_Boolean EnLargeFace (const TopoDS_Face& F,
TopoDS_Face& NF,
const Standard_Boolean ChangeGeom,
const Standard_Boolean UpDatePCurve = Standard_False,
const Standard_Boolean enlargeU = Standard_True,
const Standard_Boolean enlargeVfirst = Standard_True,
const Standard_Boolean enlargeVlast = Standard_True,
const Standard_Integer theExtensionMode = 1,
const Standard_Real theLenBeforeUfirst = -1.,
const Standard_Real theLenAfterUlast = -1.,
const Standard_Real theLenBeforeVfirst = -1.,
const Standard_Real theLenAfterVlast = -1.);
Standard_EXPORT static void ExtentFace (const TopoDS_Face& F,
TopTools_DataMapOfShapeShape& ConstShapes,
TopTools_DataMapOfShapeShape& ToBuild,
const TopAbs_State Side,
const Standard_Real TolConf,
TopoDS_Face& NF);
//! Via the wire explorer store in <NOnV1> for
//! an Edge <E> of <W> his Edge neighbour on the first
//! vertex <V1> of <E>.
//! Store in NOnV2 the Neighbour of <E>on the last
//! vertex <V2> of <E>.
Standard_EXPORT static void BuildNeighbour (const TopoDS_Wire& W,
const TopoDS_Face& F,
TopTools_DataMapOfShapeShape& NOnV1,
TopTools_DataMapOfShapeShape& NOnV2);
//! Store in MVE for a vertex <V> in <S> the incident
//! edges <E> in <S>.
//! An Edge is Store only one Time for a vertex.
Standard_EXPORT static void MapVertexEdges (const TopoDS_Shape& S,
TopTools_DataMapOfShapeListOfShape& MVE);
//! Remove the non valid part of an offsetshape
//! 1 - Remove all the free boundary and the faces
//! connex to such edges.
//! 2 - Remove all the shapes not valid in the result
//! (according to the side of offsetting)
//! in this version only the first point is implemented.
Standard_EXPORT static TopoDS_Shape Deboucle3D (const TopoDS_Shape& S,
const TopTools_MapOfShape& Boundary);
Standard_EXPORT static void CorrectOrientation (const TopoDS_Shape& SI,
const TopTools_IndexedMapOfShape& NewEdges,
Handle(BRepAlgo_AsDes)& AsDes,
BRepAlgo_Image& InitOffset,
const Standard_Real Offset);
Standard_EXPORT static Standard_Real Gabarit (const Handle(Geom_Curve)& aCurve);
//! Compares the normal directions of the planar faces and returns
//! TRUE if the directions are the same with the given precision.<br>
Standard_EXPORT static Standard_Boolean CheckPlanesNormals(const TopoDS_Face& theFace1,
const TopoDS_Face& theFace2,
const Standard_Real theTolAng = 1.e-8);
protected:
private:
};
#endif // _BRepOffset_Tool_HeaderFile