Main Lemma Repository

dipolesource.h 11KB

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  1. /* This file is part of Lemma, a geophysical modelling and inversion API */
  2. /* This Source Code Form is subject to the terms of the Mozilla Public
  3. * License, v. 2.0. If a copy of the MPL was not distributed with this
  4. * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  5. /**
  6. @file
  7. @author Trevor Irons
  8. @date 12/02/2009
  9. @version $Id: dipolesource.h 203 2015-01-09 21:19:04Z tirons $
  10. **/
  11. #ifndef __DIPOLESOURCE_H
  12. #define __DIPOLESOURCE_H
  13. #include "LemmaObject.h"
  14. #include "layeredearthem.h"
  15. //#include "kernelem1dmanager.h"
  16. #ifdef LEMMAUSEVTK
  17. #include "vtkActor.h"
  18. #include "vtkLineSource.h"
  19. #include "vtkSphereSource.h"
  20. #include "vtkPolyDataMapper.h"
  21. #include "vtkTubeFilter.h"
  22. #include "vtkRegularPolygonSource.h"
  23. #include "vtkProperty.h"
  24. #endif
  25. namespace Lemma {
  26. class KernelEM1DManager;
  27. class ReceiverPoints;
  28. class HankelTransform;
  29. // ==========================================================================
  30. // Class: DipoleSource
  31. /// \brief Dipole sources form the backbone of Lemma.
  32. /// \details More complex sources are constructed from a superposition of
  33. /// dipoles.
  34. // ==========================================================================
  35. class DipoleSource : public LemmaObject {
  36. public:
  37. // ==================== FRIENDS ======================
  38. friend std::ostream &operator<<(std::ostream &stream,
  39. const DipoleSource &ob);
  40. // ==================== LIFECYCLE ======================
  41. /**
  42. * Returns pointer to new DipoleSource. Location is
  43. * initialized to (0,0,0) type and polarization are
  44. * initialized to nonworking values that will throw
  45. * exceptions if used.
  46. */
  47. static DipoleSource* New();
  48. /** Returns a deep copy of the dipole. Used to make thread safe methods. Does not
  49. copy attachments.
  50. */
  51. DipoleSource* Clone();
  52. /**
  53. * @copybrief LemmaObject::Delete()
  54. * @copydetails LemmaObject::Delete()
  55. */
  56. void Delete();
  57. // ==================== OPERATORS ======================
  58. // ==================== OPERATIONS ======================
  59. /** Determines if kernels have been loaded already, and if so if they can be reused
  60. */
  61. void SetKernels(const int& ifreq, const FIELDCALCULATIONS& Fields, ReceiverPoints* Receivers, const int& irec,
  62. LayeredEarthEM* Earth );
  63. /** resets the kernels if they cannot be reused */
  64. virtual void ReSetKernels(const int& ifreq, const FIELDCALCULATIONS& Fields, ReceiverPoints* Receivers, const int& irec,
  65. LayeredEarthEM* Earth );
  66. /** Updates the receiver fields */
  67. virtual void UpdateFields(const int& ifreq, HankelTransform* Hankel, const Real& wavef);
  68. // ==================== ACCESS ======================
  69. /** Sets the position.
  70. * @param [in] posin
  71. */
  72. void SetLocation(const Vector3r &posin);
  73. /** Sets the location using three Real coordinate arguments.
  74. * @param[in] xp is the x coordinate of the dipole
  75. * @param[in] yp is the y coordinate of the dipole
  76. * @param[in] zp is the z coordinate of the dipole
  77. */
  78. void SetLocation(const Real &xp, const Real &yp, const Real &zp);
  79. /** Sets the dipole direction (polarisation). This method
  80. * replaced SetPolarisation(DipoleSourcePolarisation) and allows for general dipole
  81. * directionality.
  82. * @param[in] dir is the direction of the dipole. This will be normalised.
  83. */
  84. void SetPolarisation(const Vector3r &dir);
  85. /** Sets the polarisation of the dipole. Conveneince method that calls
  86. * SetPolarisation(const Vector3r &dir), constructing the normalized Vector | <x, y, z> |
  87. */
  88. void SetPolarisation(const Real& x, const Real& y, const Real& z );
  89. /// Sets the dipole polarisation
  90. /// @param[in] pol is the enumerated polarisation
  91. void SetPolarisation(const DipoleSourcePolarisation &pol);
  92. /// Sets the dipole source type
  93. /// @param[in] stype is one of the enerated values taking either
  94. /// ELECTRICDIPOLE or MAGNETICDIPOLE
  95. void SetType(const DipoleSourceType &stype);
  96. /// Sets the dipole moment
  97. void SetMoment(const Real &moment);
  98. /// Sets the dipole phse
  99. void SetPhase(const Real &phase);
  100. /// Sets the polarity
  101. void SetPolarity(const DipoleSourcePolarity& pol);
  102. /// Sets number of frequencies
  103. void SetNumberOfFrequencies(const int &nfreq);
  104. /// Sets a specific frequency.
  105. /// @param[in] ifreq is the frequency bin number
  106. /// @param[in] freq is the frequency to set, in Hz
  107. void SetFrequency(const int &ifreq, const Real &freq);
  108. /// Sets the frequencies of the dipole.
  109. /// @param[in] freqs is a vector of the frequencies. Also sets
  110. /// number of frequencies
  111. void SetFrequencies(const VectorXr& freqs);
  112. // ==================== INQUIRY ======================
  113. /** Accessor to polarisation vector.
  114. @return returns the unit polarisation vector.
  115. */
  116. Vector3r GetPolarisation();
  117. /// Returns Vector3r position of the dipole
  118. Vector3r GetLocation();
  119. /// Returns a specific coordinate of the dipole
  120. /// @param coordinate 0=x, 1=y, 2=z
  121. Real GetLocation(const int &coordinate);
  122. /// Returns enumerated of DipoleSourceType
  123. DipoleSourceType GetDipoleSourceType();
  124. /// Returns the dipole type
  125. DipoleSourceType GetType();
  126. /// Returns pointer to KernelEM1DManager
  127. KernelEM1DManager* GetKernelManager();
  128. // Returns enumerated DipoleSourcePolarization
  129. //DipoleSourcePolarisation GetDipoleSourcePolarisation();
  130. /// Returns the dipole moment
  131. Real GetMoment();
  132. /// Returns the angular frequency of the dipole
  133. Real GetAngularFrequency(const int &ifreq);
  134. /// Returns the frequency of the dipole (Hz)
  135. Real GetFrequency(const int &ifreq);
  136. /// Returns the frequency of the dipole (Hz)
  137. VectorXr GetFrequencies( );
  138. /// Returns the phase offset of the dipole
  139. Real GetPhase();
  140. /// Returns the number of frequencies
  141. int GetNumberOfFrequencies();
  142. #ifdef LEMMAUSEVTK
  143. /// Returns an actor that can be placed into a vtk scene easily
  144. /// Note that this function throws a pointer, it is the receivers
  145. /// job to manage this memory!
  146. vtkActor* GetVtkActor();
  147. #endif
  148. protected:
  149. // ==================== LIFECYCLE ======================
  150. /// Default protected constructor.
  151. DipoleSource (const std::string &name);
  152. /// Default protected constructor.
  153. ~DipoleSource ();
  154. /**
  155. * @copybrief LemmaObject::Release()
  156. * @copydetails LemmaObject::Release()
  157. */
  158. void Release();
  159. // ==================== DATA MEMBERS ======================
  160. /// Defines the type of source (magnetic or electric)
  161. DipoleSourceType Type;
  162. // Polarization of the dipole, (x, y or z)
  163. //DipoleSourcePolarisation Polarisation;
  164. // Dipole polarity
  165. //DipoleSourcePolarity Polarity;
  166. /// Which receiver index should Kernels be configured for
  167. int irec;
  168. int lays;
  169. int layr;
  170. /// Phase offset of the dipole, referenced from 0
  171. Real Phase;
  172. /// Dipole Moment
  173. Real Moment;
  174. Real xxp;
  175. Real yyp;
  176. Real rho;
  177. Real sp;
  178. Real cp;
  179. Real scp;
  180. Real sps;
  181. Real cps;
  182. Real c2p;
  183. Real kernelFreq;
  184. FIELDCALCULATIONS FieldsToCalculate;
  185. VectorXcr f;
  186. VectorXi ik;
  187. /// Central location of the dipole
  188. Vector3r Location;
  189. /// Unit vector defining directionality of the dipole
  190. Vector3r Phat;
  191. /// Freqencies of the source, in Hz
  192. VectorXr Freqs;
  193. /// Storage of the EM1D kernels used by this dipole
  194. KernelEM1DManager* KernelManager;
  195. /// Receiver points, keep track if these have changed
  196. ReceiverPoints* Receivers;
  197. /// Layered Earth used by Kernels
  198. LayeredEarthEM* Earth;
  199. }; // ----- end of class DipoleSource -----
  200. /** If no dipole source has been specified, throw this error.
  201. */
  202. class NullDipoleSource : public std::runtime_error {
  203. public:
  204. /** Thrown when a DipoleSource pointer is NULL
  205. */
  206. NullDipoleSource ( );
  207. };
  208. /** Error class for assignment of a dipole source that did not connect properly.
  209. */
  210. class NonValidDipoleTypeAssignment : public std::runtime_error {
  211. public:
  212. NonValidDipoleTypeAssignment( );
  213. };
  214. /** Error class for a non-valid dipole type. Generally thrown if this was not
  215. * set properly.
  216. */
  217. class NonValidDipoleType : public std::runtime_error {
  218. public:
  219. /** Throws error. This is a deprecated function. Call the method with
  220. * the pointer address instead.
  221. */
  222. NonValidDipoleType( );
  223. /** Throws error with information on the class throwing the error.
  224. */
  225. NonValidDipoleType( LemmaObject *ptr );
  226. };
  227. /** Error class for non valid dipole polarisation
  228. */
  229. class NonValidDipolePolarisation : public std::runtime_error {
  230. public:
  231. NonValidDipolePolarisation( );
  232. };
  233. /** Error class for non valid dipole polarity
  234. */
  235. class NonValidDipolePolarity : public std::runtime_error {
  236. public:
  237. NonValidDipolePolarity( );
  238. };
  239. /** Error class for non valid dipole polarisation
  240. */
  241. class NonValidDipolePolarisationAssignment : public std::runtime_error {
  242. public:
  243. NonValidDipolePolarisationAssignment( );
  244. };
  245. /** Error class for non valid location coordinate.
  246. */
  247. class NonValidLocationCoordinate : public std::runtime_error {
  248. public:
  249. NonValidLocationCoordinate( );
  250. };
  251. }
  252. #endif // __DIPOLESOURCE_H