1 // Created on: 1998-07-22
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1998-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepFill_PipeShell_HeaderFile
18 #define _BRepFill_PipeShell_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <TopoDS_Wire.hxx>
24 #include <TopoDS_Shape.hxx>
25 #include <BRepFill_SequenceOfSection.hxx>
26 #include <TopTools_DataMapOfShapeListOfShape.hxx>
27 #include <Standard_Real.hxx>
28 #include <Standard_Integer.hxx>
29 #include <Standard_Boolean.hxx>
30 #include <TopTools_HArray2OfShape.hxx>
31 #include <GeomFill_Trihedron.hxx>
32 #include <BRepFill_TransitionStyle.hxx>
33 #include <GeomFill_PipeError.hxx>
34 #include <MMgt_TShared.hxx>
35 #include <BRepFill_TypeOfContact.hxx>
36 #include <TopTools_ListOfShape.hxx>
38 class BRepFill_LocationLaw;
39 class BRepFill_SectionLaw;
40 class Standard_DomainError;
41 class StdFail_NotDone;
47 class BRepFill_Section;
52 class BRepFill_PipeShell;
53 DEFINE_STANDARD_HANDLE(BRepFill_PipeShell, MMgt_TShared)
55 //! Computes a topological shell using some wires
56 //! (spines and profiles) and diplacement option
57 //! Perform general sweeping construction
58 class BRepFill_PipeShell : public MMgt_TShared
64 //! Set an sweep's mode
65 //! If no mode are setted, the mode use in MakePipe is used
66 Standard_EXPORT BRepFill_PipeShell(const TopoDS_Wire& Spine);
68 //! Set an Frenet or an CorrectedFrenet trihedron
69 //! to perform the sweeping
70 Standard_EXPORT void Set (const Standard_Boolean Frenet = Standard_False);
72 //! Set a Discrete trihedron
73 //! to perform the sweeping
74 Standard_EXPORT void SetDiscrete();
76 //! Set an fixed trihedron to perform the sweeping
77 //! all sections will be parallel.
78 Standard_EXPORT void Set (const gp_Ax2& Axe);
80 //! Set an fixed BiNormal direction to perform
82 Standard_EXPORT void Set (const gp_Dir& BiNormal);
84 //! Set support to the spine to define the BiNormal
85 //! at the spine, like the normal the surfaces.
86 //! Warning: To be effective, Each edge of the <spine> must
87 //! have an representaion on one face of<SpineSupport>
88 Standard_EXPORT Standard_Boolean Set (const TopoDS_Shape& SpineSupport);
90 //! Set an auxiliary spine to define the Normal
91 //! For each Point of the Spine P, an Point Q is evalued
92 //! on <AuxiliarySpine>
93 //! If <CurvilinearEquivalence>
94 //! Q split <AuxiliarySpine> with the same length ratio
95 //! than P split <Spline>.
96 //! Else the plan define by P and the tangent to the <Spine>
97 //! intersect <AuxiliarySpine> in Q.
98 //! If <KeepContact> equals BRepFill_NoContact: The Normal is defined
100 //! If <KeepContact> equals BRepFill_Contact: The Normal is defined to
101 //! achieve that the sweeped section is in contact to the
102 //! auxiliarySpine. The width of section is constant all along the path.
103 //! In other words, the auxiliary spine lies on the swept surface,
104 //! but not necessarily is a boundary of this surface. However,
105 //! the auxiliary spine has to be close enough to the main spine
106 //! to provide intersection with any section all along the path.
107 //! If <KeepContact> equals BRepFill_ContactOnBorder: The auxiliary spine
108 //! becomes a boundary of the swept surface and the width of section varies
110 Standard_EXPORT void Set (const TopoDS_Wire& AuxiliarySpine, const Standard_Boolean CurvilinearEquivalence = Standard_True, const BRepFill_TypeOfContact KeepContact = BRepFill_NoContact);
112 //! Define the maximum V degree of resulting surface
113 Standard_EXPORT void SetMaxDegree (const Standard_Integer NewMaxDegree);
115 //! Define the maximum number of spans in V-direction
116 //! on resulting surface
117 Standard_EXPORT void SetMaxSegments (const Standard_Integer NewMaxSegments);
119 //! Set the flag that indicates attempt to approximate
120 //! a C1-continuous surface if a swept surface proved
122 //! Give section to sweep.
123 //! Possibilities are :
124 //! - Give one or sevral profile
125 //! - Give one profile and an homotetic law.
126 //! - Automatic compute of correspondance beetween profile, and section
127 //! on the sweeped shape
128 //! - correspondance beetween profile, and section on the sweeped shape
129 //! defined by a vertex of the spine
130 Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
132 //! Set an section. The corespondance with the spine, will
133 //! be automaticaly performed.
134 Standard_EXPORT void Add (const TopoDS_Shape& Profile, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
136 //! Set an section. The corespondance with the spine, is
137 //! given by <Location>
138 Standard_EXPORT void Add (const TopoDS_Shape& Profile, const TopoDS_Vertex& Location, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
140 //! Set an section and an homotetic law.
141 //! The homotetie's centers is given by point on the <Spine>.
142 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);
144 //! Set an section and an homotetic law.
145 //! The homotetie center is given by point on the <Spine>
146 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);
148 //! Delete an section.
149 Standard_EXPORT void DeleteProfile (const TopoDS_Shape& Profile);
151 //! Say if <me> is ready to build the shape
152 //! return False if <me> do not have section definition
153 Standard_EXPORT Standard_Boolean IsReady() const;
155 //! Get a status, when Simulate or Build failed.
156 Standard_EXPORT GeomFill_PipeError GetStatus() const;
158 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);
160 //! Set the Transition Mode to manage discontinuities
162 Standard_EXPORT void SetTransition (const BRepFill_TransitionStyle Mode = BRepFill_Modified, const Standard_Real Angmin = 1.0e-2, const Standard_Real Angmax = 6.0);
164 //! Perform simulation of the sweep :
165 //! Somes Section are returned.
166 Standard_EXPORT void Simulate (const Standard_Integer NumberOfSection, TopTools_ListOfShape& Sections);
168 //! Builds the resulting shape (redefined from MakeShape).
169 Standard_EXPORT Standard_Boolean Build();
171 //! Transform the sweeping Shell in Solid.
172 //! If the section are not closed returns False
173 Standard_EXPORT Standard_Boolean MakeSolid();
175 //! Returns the result Shape.
176 Standard_EXPORT const TopoDS_Shape& Shape() const;
178 Standard_EXPORT Standard_Real ErrorOnSurface() const;
180 //! Returns the TopoDS Shape of the bottom of the sweep.
181 Standard_EXPORT const TopoDS_Shape& FirstShape() const;
183 //! Returns the TopoDS Shape of the top of the sweep.
184 Standard_EXPORT const TopoDS_Shape& LastShape() const;
186 //! Returns the list of shapes generated from the
188 Standard_EXPORT void Generated (const TopoDS_Shape& S, TopTools_ListOfShape& L);
193 DEFINE_STANDARD_RTTIEXT(BRepFill_PipeShell,MMgt_TShared)
203 Standard_EXPORT void Prepare();
205 Standard_EXPORT void Place (const BRepFill_Section& Sec, TopoDS_Wire& W, gp_Trsf& Trsf, Standard_Real& param);
207 Standard_EXPORT void ResetLoc();
209 Standard_EXPORT void BuildHistory (const BRepFill_Sweep& theSweep);
212 TopoDS_Shape myFirst;
214 TopoDS_Shape myShape;
215 BRepFill_SequenceOfSection mySeq;
216 TopTools_DataMapOfShapeListOfShape myGenMap;
217 Standard_Real myTol3d;
218 Standard_Real myBoundTol;
219 Standard_Real myTolAngular;
220 Standard_Real angmin;
221 Standard_Real angmax;
222 Standard_Integer myMaxDegree;
223 Standard_Integer myMaxSegments;
224 Standard_Boolean myForceApproxC1;
225 Handle(Law_Function) myLaw;
226 Standard_Boolean myIsAutomaticLaw;
227 Handle(BRepFill_LocationLaw) myLocation;
228 Handle(BRepFill_SectionLaw) mySection;
229 Handle(TopTools_HArray2OfShape) myFaces;
230 GeomFill_Trihedron myTrihedron;
231 BRepFill_TransitionStyle myTransition;
232 GeomFill_PipeError myStatus;
233 Standard_Real myErrorOnSurf;
244 #endif // _BRepFill_PipeShell_HeaderFile