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coordinateSystem.H
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23 
24 Class
25  Foam::coordinateSystem
26 
27 Description
28  Base class for other coordinate system specifications.
29 
30  All systems are defined by an origin point and a co-ordinate rotation.
31 
32  \verbatim
33  coordinateSystem
34  {
35  type cartesian;
36  origin (0 0 0);
37  coordinateRotation
38  {
39  type cylindrical;
40  e3 (0 0 1);
41  }
42  }
43  \endverbatim
44 
45  Types of coordinateRotation:
46  -# axesRotation
47  -# \link STARCDCoordinateRotation STARCDRotation \endlink
48  -# cylindricalCS cylindrical
49  -# EulerCoordinateRotation
50 
51  Type of co-ordinates:
52  -# \link cartesianCS cartesian \endlink
53 
54 
55 SourceFiles
56  coordinateSystem.C
57  coordinateSystemNew.C
58 
59 \*---------------------------------------------------------------------------*/
60 
61 #ifndef coordinateSystem_H
62 #define coordinateSystem_H
63 
64 #include "vector.H"
65 #include "point.H"
66 #include "tensor.H"
67 #include "vectorField.H"
68 #include "pointField.H"
69 #include "tmp.H"
70 #include "coordinateRotation.H"
71 #include "objectRegistry.H"
72 #include "autoPtr.H"
73 
74 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
75 
76 namespace Foam
77 {
78 
79 // Forward declaration of friend functions and operators
80 
81 class coordinateSystem;
82 
83 bool operator!=(const coordinateSystem&, const coordinateSystem&);
84 Ostream& operator<<(Ostream&, const coordinateSystem&);
85 
86 
87 /*---------------------------------------------------------------------------*\
88  Class coordinateSystem Declaration
89 \*---------------------------------------------------------------------------*/
90 
91 class coordinateSystem
92 {
93  // Private Data
94 
95  //- Name of coordinate system
96  word name_;
97 
98  //- Optional note
99  string note_;
100 
101  //- Origin
102  point origin_;
103 
104  //- Local-to-Global transformation tensor
106 
107 
108 protected:
109 
110  // Protected Member Functions
111 
112  //- Convert from local coordinate system to the global Cartesian system
113  // with optional translation for the origin
114  virtual vector localToGlobal(const vector&, bool translate) const;
115 
116  //- Convert from local coordinate system to the global Cartesian system
117  // with optional translation for the origin
119  (
120  const vectorField&,
121  bool translate
122  ) const;
123 
124  //- Convert from global Cartesian system to the local coordinate system
125  // with optional translation for the origin
126  virtual vector globalToLocal(const vector&, bool translate) const;
127 
128  //- Convert from global Cartesian system to the local coordinate system
129  // with optional translation for the origin
131  (
132  const vectorField&,
133  bool translate
134  ) const;
135 
136  //- Init from dict and obr
137  void init(const dictionary&);
138 
139  //- Init from dictionary
140  void init(const dictionary&, const objectRegistry&);
141 
142 
143 public:
144 
145  //- Runtime type information
146  TypeName("coordinateSystem");
147 
148 
149  // Constructors
150 
151  //- Construct null. This is equivalent to an identity coordinateSystem
153 
154  //- Construct copy with a different name
156  (
157  const word& name,
158  const coordinateSystem&
159  );
160 
161  //- Construct from origin and rotation
163  (
164  const word& name,
165  const point& origin,
166  const coordinateRotation&
167  );
168 
169  //- Construct from origin and 2 axes
171  (
172  const word& name,
173  const point& origin,
174  const vector& axis,
175  const vector& dirn
176  );
177 
178  //- Construct from dictionary with a given name
179  coordinateSystem(const word& name, const dictionary&);
180 
181  //- Construct from dictionary with default name
183 
184  //- Construct from dictionary (default name)
185  // With the ability to reference global coordinateSystems
187 
188  //- Construct from Istream
189  // The Istream contains a word followed by a dictionary
191 
192 
193  //- Return clone
195  {
196  return autoPtr<coordinateSystem>(new coordinateSystem(*this));
197  }
198 
199 
200  // Declare run-time constructor selection table
202  (
203  autoPtr,
205  dictionary,
206  (
207  const objectRegistry& obr,
208  const dictionary& dict
209  ),
210  (obr, dict)
211  );
212 
213 
214  // Selectors
215 
216  //- Select constructed from dictionary and objectRegistry
218  (
219  const objectRegistry& obr,
220  const dictionary& dict
221  );
222 
223  //- Select constructed from dictionary
225  (
226  const dictionary& dict
227  );
228 
229  //- Select constructed from Istream
231 
232 
233  //- Destructor
234  virtual ~coordinateSystem();
235 
236 
237  // Member Functions
238 
239  // Access
240 
241  //- Return name
242  const word& name() const
243  {
244  return name_;
245  }
246 
247  //- Return non-constant access to the optional note
248  string& note()
249  {
250  return note_;
251  }
252 
253  //- Return the optional note
254  const string& note() const
255  {
256  return note_;
257  }
258 
259  //- Return origin
260  const point& origin() const
261  {
262  return origin_;
263  }
264 
265  //- Return const reference to co-ordinate rotation
266  const coordinateRotation& R() const
267  {
268  return R_();
269  }
270 
271  //- Return non const reference to co-ordinate rotation
273  {
274  return R_();
275  }
276 
277  //- Update and return the co-ordinate rotation for a list of cells
279  (
280  const polyMesh& mesh,
281  const labelList& cells
282  )
283  {
284  R_->updateCells(mesh, cells);
285  return R_();
286  }
287 
288  //- Return as dictionary of entries
289  // \param[in] ignoreType drop type (cartesian, cylindrical, etc)
290  // when generating the dictionary
291  virtual dictionary dict(bool ignoreType=false) const;
292 
293 
294  // Edit
295 
296  //- Rename
297  void rename(const word& newName)
298  {
299  name_ = newName;
300  }
301 
302  //- Edit access to origin
303  point& origin()
304  {
305  return origin_;
306  }
307 
308  //- Reset origin and rotation to an identity coordinateSystem
309  // Also resets the note
310  virtual void clear();
311 
312 
313  // Write
314 
315  //- Write
316  virtual void write(Ostream&) const;
317 
318  //- Write dictionary
319  void writeDict(Ostream&, bool subDict=true) const;
320 
321 
322  // Transformations
323 
324  //- Convert from position in local coordinate system to global
325  // Cartesian position
326  point globalPosition(const point& local) const
327  {
328  return localToGlobal(local, true);
329  }
330 
331  //- Convert from position in local coordinate system to global
332  // Cartesian position
333  tmp<pointField> globalPosition(const pointField& local) const
334  {
335  return localToGlobal(local, true);
336  }
337 
338  //- Convert from vector components in local coordinate system to
339  // global Cartesian vector
340  vector globalVector(const vector& local) const
341  {
342  return localToGlobal(local, false);
343  }
344 
345  //- Convert from vector components in local coordinate system to
346  // global Cartesian vector
347  tmp<vectorField> globalVector(const vectorField& local) const
348  {
349  return localToGlobal(local, false);
350  }
351 
352  //- Convert from global Cartesian position to position in local
353  // coordinate system
354  point localPosition(const point& global) const
355  {
356  return globalToLocal(global, true);
357  }
358 
359  //- Convert from global Cartesian position to position in local
360  // coordinate system
361  tmp<pointField> localPosition(const pointField& global) const
362  {
363  return globalToLocal(global, true);
364  }
365 
366  //- Convert from global Cartesian vector to components in local
367  // coordinate system
368  vector localVector(const vector& global) const
369  {
370  return globalToLocal(global, false);
371  }
372 
373  //- Convert from global Cartesian vector to components in local
374  // coordinate system
375  tmp<vectorField> localVector(const vectorField& global) const
376  {
377  return globalToLocal(global, false);
378  }
379 
380 
381  // Member Operators
382 
383  // friend Operators
384 
385  friend bool operator!=
386  (
387  const coordinateSystem&,
388  const coordinateSystem&
389  );
390 
391 
392  // IOstream Operators
393 
394  friend Ostream& operator<<(Ostream&, const coordinateSystem&);
395 };
396 
397 
398 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
399 
400 } // End namespace Foam
401 
402 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
403 
404 #endif
405 
406 // ************************************************************************* //
Base class for other coordinate system specifications.
TypeName("coordinateSystem")
Runtime type information.
Abstract base class for coordinate rotation.
point globalPosition(const point &local) const
Convert from position in local coordinate system to global.
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:158
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
const word & name() const
Return name.
const point & origin() const
Return origin.
virtual ~coordinateSystem()
Destructor.
declareRunTimeSelectionTable(autoPtr, coordinateSystem, dictionary,(const objectRegistry &obr, const dictionary &dict),(obr, dict))
virtual vector localToGlobal(const vector &, bool translate) const
Convert from local coordinate system to the global Cartesian system.
virtual void clear()
Reset origin and rotation to an identity coordinateSystem.
coordinateSystem()
Construct null. This is equivalent to an identity coordinateSystem.
string & note()
Return non-constant access to the optional note.
point localPosition(const point &global) const
Convert from global Cartesian position to position in local.
dynamicFvMesh & mesh
const cellShapeList & cells
A class for handling words, derived from string.
Definition: word.H:59
vector localVector(const vector &global) const
Convert from global Cartesian vector to components in local.
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:54
virtual vector globalToLocal(const vector &, bool translate) const
Convert from global Cartesian system to the local coordinate system.
static autoPtr< coordinateSystem > New(const objectRegistry &obr, const dictionary &dict)
Select constructed from dictionary and objectRegistry.
void rename(const word &newName)
Rename.
Ostream & operator<<(Ostream &, const ensightPart &)
vector globalVector(const vector &local) const
Convert from vector components in local coordinate system to.
An auto-pointer similar to the STL auto_ptr but with automatic casting to a reference to the type and...
Definition: PtrList.H:52
Mesh consisting of general polyhedral cells.
Definition: polyMesh.H:74
autoPtr< coordinateSystem > clone() const
Return clone.
A class for managing temporary objects.
Definition: PtrList.H:53
Registry of regIOobjects.
friend Ostream & operator<<(Ostream &, const coordinateSystem &)
bool operator!=(const particle &, const particle &)
Definition: particle.C:1204
virtual dictionary dict(bool ignoreType=false) const
Return as dictionary of entries.
void init(const dictionary &)
Init from dict and obr.
void writeDict(Ostream &, bool subDict=true) const
Write dictionary.
virtual void write(Ostream &) const
Write.
Namespace for OpenFOAM.
const coordinateRotation & R() const
Return const reference to co-ordinate rotation.