1 // Created on: 1993-02-05
2 // Created by: Jacques GOUSSARD
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
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.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16 
17 #ifndef _Contap_TheIWalking_HeaderFile
18 #define _Contap_TheIWalking_HeaderFile
19 
20 #include <Adaptor3d_Surface.hxx>
21 #include <IntSurf_SequenceOfPathPoint.hxx>
22 #include <math_Vector.hxx>
23 #include <IntWalk_VectorOfWalkingData.hxx>
24 #include <IntWalk_VectorOfInteger.hxx>
25 #include <IntSurf_PntOn2S.hxx>
26 #include <gp_Vec.hxx>
27 #include <gp_Dir2d.hxx>
28 #include <TColStd_SequenceOfInteger.hxx>
29 #include <TColStd_DataMapOfIntegerListOfInteger.hxx>
30 #include <Contap_SequenceOfIWLineOfTheIWalking.hxx>
31 #include <IntSurf_SequenceOfInteriorPoint.hxx>
32 #include <TColStd_SequenceOfReal.hxx>
33 #include <IntWalk_StatusDeflection.hxx>
34 #include <Bnd_Range.hxx>
35 
36 class IntSurf_PathPoint;
37 class IntSurf_PathPointTool;
38 class IntSurf_InteriorPoint;
39 class IntSurf_InteriorPointTool;
40 class Adaptor3d_HSurfaceTool;
41 class Contap_SurfFunction;
42 class Contap_TheIWLineOfTheIWalking;
43 class math_FunctionSetRoot;
44 
45 class Contap_TheIWalking
46 {
47 public:
48 
49   DEFINE_STANDARD_ALLOC
50 
51 
52   //! Deflection is the maximum deflection admitted between two
53   //! consecutive points on a resulting polyline.
54   //! Step is the maximum increment admitted between two
55   //! consecutive points (in 2d space).
56   //! Epsilon is the tolerance beyond which 2 points
57   //! are confused.
58   //! theToFillHoles is the flag defining whether possible holes
59   //! between resulting curves are filled or not
60   //! in case of Contap walking theToFillHoles is True
61   Standard_EXPORT Contap_TheIWalking(const Standard_Real Epsilon, const Standard_Real Deflection, const Standard_Real Step,
62                                      const Standard_Boolean theToFillHoles = Standard_False);
63 
64   //! Deflection is the maximum deflection admitted between two
65   //! consecutive points on a resulting polyline.
66   //! Step is the maximum increment admitted between two
67   //! consecutive points (in 2d space).
68   //! Epsilon is the tolerance beyond which 2 points
69   //! are confused
70     void SetTolerance (const Standard_Real Epsilon, const Standard_Real Deflection, const Standard_Real Step);
71 
72   //! Searches a set of polylines starting on a point of Pnts1
73   //! or Pnts2.
74   //! Each point on a resulting polyline verifies F(u,v)=0
75   Standard_EXPORT void Perform (const IntSurf_SequenceOfPathPoint& Pnts1, const IntSurf_SequenceOfInteriorPoint& Pnts2, Contap_SurfFunction& Func, const Handle(Adaptor3d_Surface)& S, const Standard_Boolean Reversed = Standard_False);
76 
77   //! Searches a set of polylines starting on a point of Pnts1.
78   //! Each point on a resulting polyline verifies F(u,v)=0
79   Standard_EXPORT void Perform (const IntSurf_SequenceOfPathPoint& Pnts1, Contap_SurfFunction& Func, const Handle(Adaptor3d_Surface)& S, const Standard_Boolean Reversed = Standard_False);
80 
81   //! Returns true if the calculus was successful.
82     Standard_Boolean IsDone() const;
83 
84   //! Returns the number of resulting polylines.
85   //! An exception is raised if IsDone returns False.
86     Standard_Integer NbLines() const;
87 
88   //! Returns the polyline of range Index.
89   //! An exception is raised if IsDone is False.
90   //! An exception is raised if Index<=0 or Index>NbLines.
91     const Handle(Contap_TheIWLineOfTheIWalking)& Value (const Standard_Integer Index) const;
92 
93   //! Returns the number of points belonging to Pnts on which no
94   //! line starts or ends.
95   //! An exception is raised if IsDone returns False.
96     Standard_Integer NbSinglePnts() const;
97 
98   //! Returns the point of range Index .
99   //! An exception is raised if IsDone returns False.
100   //! An exception is raised if Index<=0 or
101   //! Index > NbSinglePnts.
102     const IntSurf_PathPoint& SinglePnt (const Standard_Integer Index) const;
103 
104 
105 
106 
107 protected:
108 
109 
110   Standard_EXPORT Standard_Boolean Cadrage (math_Vector& BornInf, math_Vector& BornSup, math_Vector& UVap, Standard_Real& Step, const Standard_Integer StepSign) const;
111 
112   Standard_EXPORT Standard_Boolean TestArretPassage (const TColStd_SequenceOfReal& Umult, const TColStd_SequenceOfReal& Vmult, Contap_SurfFunction& Section, math_Vector& UV, Standard_Integer& Irang);
113 
114   Standard_EXPORT Standard_Boolean TestArretPassage (const TColStd_SequenceOfReal& Umult, const TColStd_SequenceOfReal& Vmult, const math_Vector& UV, const Standard_Integer Index, Standard_Integer& Irang);
115 
116   Standard_EXPORT Standard_Boolean TestArretAjout (Contap_SurfFunction& Section, math_Vector& UV, Standard_Integer& Irang, IntSurf_PntOn2S& PSol);
117 
118   Standard_EXPORT void FillPntsInHoles (Contap_SurfFunction& Section,
119                                         TColStd_SequenceOfInteger& CopySeqAlone,
120                                         IntSurf_SequenceOfInteriorPoint& PntsInHoles);
121 
122   Standard_EXPORT void TestArretCadre (const TColStd_SequenceOfReal& Umult, const TColStd_SequenceOfReal& Vmult, const Handle(Contap_TheIWLineOfTheIWalking)& Line, Contap_SurfFunction& Section, math_Vector& UV, Standard_Integer& Irang);
123 
124   Standard_EXPORT IntWalk_StatusDeflection TestDeflection (Contap_SurfFunction& Section, const Standard_Boolean Finished, const math_Vector& UV, const IntWalk_StatusDeflection StatusPrecedent, Standard_Integer& NbDivision, Standard_Real& Step, const Standard_Integer StepSign);
125 
126   Standard_EXPORT void ComputeOpenLine (const TColStd_SequenceOfReal& Umult, const TColStd_SequenceOfReal& Vmult, const IntSurf_SequenceOfPathPoint& Pnts1, Contap_SurfFunction& Section, Standard_Boolean& Rajout);
127 
128   Standard_EXPORT void OpenLine (const Standard_Integer N, const IntSurf_PntOn2S& Psol, const IntSurf_SequenceOfPathPoint& Pnts1, Contap_SurfFunction& Section, const Handle(Contap_TheIWLineOfTheIWalking)& Line);
129 
130   Standard_EXPORT Standard_Boolean IsValidEndPoint (const Standard_Integer IndOfPoint, const Standard_Integer IndOfLine);
131 
132   Standard_EXPORT void RemoveTwoEndPoints (const Standard_Integer IndOfPoint);
133 
134   Standard_EXPORT Standard_Boolean IsPointOnLine (const gp_Pnt2d& theP2d, const Standard_Integer Irang);
135 
136   Standard_EXPORT void ComputeCloseLine (const TColStd_SequenceOfReal& Umult, const TColStd_SequenceOfReal& Vmult, const IntSurf_SequenceOfPathPoint& Pnts1, const IntSurf_SequenceOfInteriorPoint& Pnts2, Contap_SurfFunction& Section, Standard_Boolean& Rajout);
137 
138   Standard_EXPORT void AddPointInCurrentLine (const Standard_Integer N, const IntSurf_PathPoint& PathPnt, const Handle(Contap_TheIWLineOfTheIWalking)& CurrentLine) const;
139 
140   Standard_EXPORT void MakeWalkingPoint (const Standard_Integer Case, const Standard_Real U, const Standard_Real V, Contap_SurfFunction& Section, IntSurf_PntOn2S& Psol);
141 
142   //! Clears up internal containers
143   Standard_EXPORT void Clear();
144 
145   //! Returns TRUE if thePOn2S is in one of existing lines.
146   Standard_EXPORT Standard_Boolean IsPointOnLine(const IntSurf_PntOn2S& thePOn2S,
147                                                  const math_Vector& theInfBounds,
148                                                  const math_Vector& theSupBounds,
149                                                  math_FunctionSetRoot& theSolver,
150                                                  Contap_SurfFunction& theFunc);
151 
152 
153 private:
154 
155 
156 
157   Standard_Boolean done;
158   IntSurf_SequenceOfPathPoint seqSingle;
159   Standard_Real fleche;
160   Standard_Real pas;
161   math_Vector tolerance;
162   Standard_Real epsilon;
163   Standard_Boolean reversed;
164   IntWalk_VectorOfWalkingData wd1;
165   IntWalk_VectorOfWalkingData wd2;
166   IntWalk_VectorOfInteger nbMultiplicities;
167   Bnd_Range mySRangeU; // Estimated U-range for section curve
168   Bnd_Range mySRangeV; // Estimated V-range for section curve
169   Standard_Real Um;
170   Standard_Real UM;
171   Standard_Real Vm;
172   Standard_Real VM;
173   IntSurf_PntOn2S previousPoint;
174   gp_Vec previousd3d;
175   gp_Dir2d previousd2d;
176   TColStd_SequenceOfInteger seqAjout;
177   TColStd_SequenceOfInteger seqAlone;
178   TColStd_DataMapOfIntegerListOfInteger PointLineLine;
179   Contap_SequenceOfIWLineOfTheIWalking lines;
180   Standard_Boolean ToFillHoles;
181 
182 
183 };
184 
185 #define ThePointOfPath IntSurf_PathPoint
186 #define ThePointOfPath_hxx <IntSurf_PathPoint.hxx>
187 #define ThePointOfPathTool IntSurf_PathPointTool
188 #define ThePointOfPathTool_hxx <IntSurf_PathPointTool.hxx>
189 #define ThePOPIterator IntSurf_SequenceOfPathPoint
190 #define ThePOPIterator_hxx <IntSurf_SequenceOfPathPoint.hxx>
191 #define ThePointOfLoop IntSurf_InteriorPoint
192 #define ThePointOfLoop_hxx <IntSurf_InteriorPoint.hxx>
193 #define ThePointOfLoopTool IntSurf_InteriorPointTool
194 #define ThePointOfLoopTool_hxx <IntSurf_InteriorPointTool.hxx>
195 #define ThePOLIterator IntSurf_SequenceOfInteriorPoint
196 #define ThePOLIterator_hxx <IntSurf_SequenceOfInteriorPoint.hxx>
197 #define ThePSurface Handle(Adaptor3d_Surface)
198 #define ThePSurface_hxx <Adaptor3d_Surface.hxx>
199 #define ThePSurfaceTool Adaptor3d_HSurfaceTool
200 #define ThePSurfaceTool_hxx <Adaptor3d_HSurfaceTool.hxx>
201 #define TheIWFunction Contap_SurfFunction
202 #define TheIWFunction_hxx <Contap_SurfFunction.hxx>
203 #define IntWalk_TheIWLine Contap_TheIWLineOfTheIWalking
204 #define IntWalk_TheIWLine_hxx <Contap_TheIWLineOfTheIWalking.hxx>
205 #define IntWalk_SequenceOfIWLine Contap_SequenceOfIWLineOfTheIWalking
206 #define IntWalk_SequenceOfIWLine_hxx <Contap_SequenceOfIWLineOfTheIWalking.hxx>
207 #define Handle_IntWalk_TheIWLine Handle(Contap_TheIWLineOfTheIWalking)
208 #define IntWalk_IWalking Contap_TheIWalking
209 #define IntWalk_IWalking_hxx <Contap_TheIWalking.hxx>
210 
211 #include <IntWalk_IWalking.lxx>
212 
213 #undef ThePointOfPath
214 #undef ThePointOfPath_hxx
215 #undef ThePointOfPathTool
216 #undef ThePointOfPathTool_hxx
217 #undef ThePOPIterator
218 #undef ThePOPIterator_hxx
219 #undef ThePointOfLoop
220 #undef ThePointOfLoop_hxx
221 #undef ThePointOfLoopTool
222 #undef ThePointOfLoopTool_hxx
223 #undef ThePOLIterator
224 #undef ThePOLIterator_hxx
225 #undef ThePSurface
226 #undef ThePSurface_hxx
227 #undef ThePSurfaceTool
228 #undef ThePSurfaceTool_hxx
229 #undef TheIWFunction
230 #undef TheIWFunction_hxx
231 #undef IntWalk_TheIWLine
232 #undef IntWalk_TheIWLine_hxx
233 #undef IntWalk_SequenceOfIWLine
234 #undef IntWalk_SequenceOfIWLine_hxx
235 #undef Handle_IntWalk_TheIWLine
236 #undef IntWalk_IWalking
237 #undef IntWalk_IWalking_hxx
238 
239 
240 
241 
242 #endif // _Contap_TheIWalking_HeaderFile
243