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252 lines
9.4 KiB
C++
252 lines
9.4 KiB
C++
// Created on: 1998-07-22
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// Created by: Philippe MANGIN
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// Copyright (c) 1998-1999 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 _BRepFill_PipeShell_HeaderFile
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#define _BRepFill_PipeShell_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopoDS_Shape.hxx>
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#include <BRepFill_SequenceOfSection.hxx>
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#include <TopTools_DataMapOfShapeListOfShape.hxx>
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#include <Standard_Integer.hxx>
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#include <TopTools_HArray2OfShape.hxx>
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#include <GeomFill_Trihedron.hxx>
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#include <BRepFill_TransitionStyle.hxx>
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#include <GeomFill_PipeError.hxx>
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#include <Standard_Transient.hxx>
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#include <BRepFill_TypeOfContact.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopTools_SequenceOfShape.hxx>
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#include <TColStd_SequenceOfInteger.hxx>
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class Law_Function;
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class BRepFill_LocationLaw;
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class BRepFill_SectionLaw;
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class gp_Ax2;
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class gp_Dir;
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class TopoDS_Vertex;
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class gp_Trsf;
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class BRepFill_Sweep;
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class BRepFill_PipeShell;
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DEFINE_STANDARD_HANDLE(BRepFill_PipeShell, Standard_Transient)
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//! Computes a topological shell using some wires
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//! (spines and profiles) and displacement option
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//! Perform general sweeping construction
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class BRepFill_PipeShell : public Standard_Transient
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{
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public:
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//! Set an sweep's mode
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//! If no mode are set, the mode used in MakePipe is used
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Standard_EXPORT BRepFill_PipeShell(const TopoDS_Wire& Spine);
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//! Set an Frenet or an CorrectedFrenet trihedron
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//! to perform the sweeping
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Standard_EXPORT void Set (const Standard_Boolean Frenet = Standard_False);
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//! Set a Discrete trihedron
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//! to perform the sweeping
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Standard_EXPORT void SetDiscrete();
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//! Set an fixed trihedron to perform the sweeping
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//! all sections will be parallel.
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Standard_EXPORT void Set (const gp_Ax2& Axe);
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//! Set an fixed BiNormal direction to perform
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//! the sweeping
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Standard_EXPORT void Set (const gp_Dir& BiNormal);
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//! Set support to the spine to define the BiNormal
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//! at the spine, like the normal the surfaces.
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//! Warning: To be effective, Each edge of the <spine> must
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//! have an representation on one face of<SpineSupport>
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Standard_EXPORT Standard_Boolean Set (const TopoDS_Shape& SpineSupport);
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//! Set an auxiliary spine to define the Normal
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//! For each Point of the Spine P, an Point Q is evalued
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//! on <AuxiliarySpine>
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//! If <CurvilinearEquivalence>
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//! Q split <AuxiliarySpine> with the same length ratio
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//! than P split <Spline>.
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//! Else the plan define by P and the tangent to the <Spine>
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//! intersect <AuxiliarySpine> in Q.
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//! If <KeepContact> equals BRepFill_NoContact: The Normal is defined
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//! by the vector PQ.
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//! If <KeepContact> equals BRepFill_Contact: The Normal is defined to
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//! achieve that the sweeped section is in contact to the
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//! auxiliarySpine. The width of section is constant all along the path.
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//! In other words, the auxiliary spine lies on the swept surface,
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//! but not necessarily is a boundary of this surface. However,
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//! the auxiliary spine has to be close enough to the main spine
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//! to provide intersection with any section all along the path.
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//! If <KeepContact> equals BRepFill_ContactOnBorder: The auxiliary spine
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//! becomes a boundary of the swept surface and the width of section varies
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//! along the path.
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Standard_EXPORT void Set (const TopoDS_Wire& AuxiliarySpine, const Standard_Boolean CurvilinearEquivalence = Standard_True, const BRepFill_TypeOfContact KeepContact = BRepFill_NoContact);
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//! Define the maximum V degree of resulting surface
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Standard_EXPORT void SetMaxDegree (const Standard_Integer NewMaxDegree);
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//! Define the maximum number of spans in V-direction
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//! on resulting surface
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Standard_EXPORT void SetMaxSegments (const Standard_Integer NewMaxSegments);
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//! Set the flag that indicates attempt to approximate
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//! a C1-continuous surface if a swept surface proved
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//! to be C0.
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//! Give section to sweep.
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//! Possibilities are :
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//! - Give one or several profile
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//! - Give one profile and an homotetic law.
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//! - Automatic compute of correspondence between profile, and section on the sweeped shape
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//! - correspondence between profile, and section on the sweeped shape defined by a vertex of the spine
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Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
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//! Set an section. The correspondence with the spine, will be automatically performed.
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Standard_EXPORT void Add (const TopoDS_Shape& Profile, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
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//! Set an section. The correspondence with the spine, is given by Location.
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Standard_EXPORT void Add (const TopoDS_Shape& Profile, const TopoDS_Vertex& Location, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
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//! Set an section and an homotetic law.
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//! The homotetie's centers is given by point on the <Spine>.
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Standard_EXPORT void SetLaw (const TopoDS_Shape& Profile, const Handle(Law_Function)& L, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
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//! Set an section and an homotetic law.
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//! The homotetie center is given by point on the <Spine>
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Standard_EXPORT void SetLaw (const TopoDS_Shape& Profile, const Handle(Law_Function)& L, const TopoDS_Vertex& Location, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
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//! Delete an section.
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Standard_EXPORT void DeleteProfile (const TopoDS_Shape& Profile);
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//! Say if <me> is ready to build the shape
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//! return False if <me> do not have section definition
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Standard_EXPORT Standard_Boolean IsReady() const;
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//! Get a status, when Simulate or Build failed.
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Standard_EXPORT GeomFill_PipeError GetStatus() const;
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Standard_EXPORT void SetTolerance (const Standard_Real Tol3d = 1.0e-4, const Standard_Real BoundTol = 1.0e-4, const Standard_Real TolAngular = 1.0e-2);
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//! Set the Transition Mode to manage discontinuities
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//! on the sweep.
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Standard_EXPORT void SetTransition (const BRepFill_TransitionStyle Mode = BRepFill_Modified, const Standard_Real Angmin = 1.0e-2, const Standard_Real Angmax = 6.0);
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//! Perform simulation of the sweep :
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//! Some Section are returned.
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Standard_EXPORT void Simulate (const Standard_Integer NumberOfSection, TopTools_ListOfShape& Sections);
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//! Builds the resulting shape (redefined from MakeShape).
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Standard_EXPORT Standard_Boolean Build();
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//! Transform the sweeping Shell in Solid.
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//! If the section are not closed returns False
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Standard_EXPORT Standard_Boolean MakeSolid();
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//! Returns the result Shape.
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Standard_EXPORT const TopoDS_Shape& Shape() const;
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Standard_EXPORT Standard_Real ErrorOnSurface() const;
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//! Returns the TopoDS Shape of the bottom of the sweep.
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Standard_EXPORT const TopoDS_Shape& FirstShape() const;
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//! Returns the TopoDS Shape of the top of the sweep.
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Standard_EXPORT const TopoDS_Shape& LastShape() const;
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//! Returns the list of original profiles
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void Profiles(TopTools_ListOfShape& theProfiles)
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{
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for (Standard_Integer i = 1; i <= mySeq.Length(); ++i)
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theProfiles.Append(mySeq(i).OriginalShape());
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}
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//! Returns the spine
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const TopoDS_Wire& Spine()
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{
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return mySpine;
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}
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//! Returns the list of shapes generated from the
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//! shape <S>.
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Standard_EXPORT void Generated (const TopoDS_Shape& S, TopTools_ListOfShape& L);
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DEFINE_STANDARD_RTTIEXT(BRepFill_PipeShell,Standard_Transient)
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protected:
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private:
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Standard_EXPORT void Prepare();
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Standard_EXPORT void Place (const BRepFill_Section& Sec, TopoDS_Wire& W, gp_Trsf& Trsf, Standard_Real& param);
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Standard_EXPORT void ResetLoc();
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Standard_EXPORT void BuildHistory (const BRepFill_Sweep& theSweep);
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TopoDS_Wire mySpine;
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TopoDS_Shape myFirst;
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TopoDS_Shape myLast;
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TopoDS_Shape myShape;
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BRepFill_SequenceOfSection mySeq;
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TopTools_SequenceOfShape WSeq;
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TColStd_SequenceOfInteger myIndOfSec;
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TopTools_DataMapOfShapeListOfShape myEdgeNewEdges;
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TopTools_DataMapOfShapeListOfShape myGenMap;
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Standard_Real myTol3d;
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Standard_Real myBoundTol;
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Standard_Real myTolAngular;
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Standard_Real angmin;
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Standard_Real angmax;
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Standard_Integer myMaxDegree;
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Standard_Integer myMaxSegments;
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Standard_Boolean myForceApproxC1;
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Handle(Law_Function) myLaw;
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Standard_Boolean myIsAutomaticLaw;
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Handle(BRepFill_LocationLaw) myLocation;
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Handle(BRepFill_SectionLaw) mySection;
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Handle(TopTools_HArray2OfShape) myFaces;
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GeomFill_Trihedron myTrihedron;
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BRepFill_TransitionStyle myTransition;
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GeomFill_PipeError myStatus;
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Standard_Real myErrorOnSurf;
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};
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#endif // _BRepFill_PipeShell_HeaderFile
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