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Geant4/processes/transportation/History

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Diff markup

Differences between /processes/transportation/History (Version 11.3.0) and /processes/transportation/History (Version 9.1)


  1 # Category transport History                   <<   1 $Id: History,v 1.142 2007/11/27 18:32:16 japost Exp $
                                                   >>   2 -------------------------------------------------------------------
  2                                                     3 
  3 See `CONTRIBUTING.rst` for details of **requir <<   4      =========================================================
  4 which **must** added in reverse chronological  <<   5      Geant4 - an Object-Oriented Toolkit for Simulation in HEP
  5 It must **not** be used as a substitute for wr <<   6      =========================================================
  6                                                <<   7 
  7 ---------------------------------------------- <<   8                       Category History file
  8                                                <<   9                       ---------------------
  9 ## 2024-10-08 Jonas Hahnfeld (transport-V11-02 <<  10 This file should be used by G4 developers and category coordinators
 10 - Introduce `TRANSPORTATION_WITH_MSC` process  <<  11 to briefly summarize all major modifications introduced in the code
 11                                                <<  12 and keep track of all category-tags.
 12 ## 2023-01-26 John Apostolakis (transport-V11- <<  13 It DOES NOT substitute the  CVS log-message one should put at every
 13 - Added a method to set both warning & importa <<  14 committal in the CVS repository !
 14   Added method to report lock errors.          <<  15 `
 15   Improve reporting of inconsistent changes of <<  16      ----------------------------------------------------------
 16     (not only enforce warning_E < important_E  <<  17      * Reverse chronological order (last date on top), please *
 17                                                <<  18      ----------------------------------------------------------
 18 ## 2023-01-25 John Apostolakis (transport-V11- << 
 19 - Fix unwanted change of default looper parame << 
 20   ( Reversed inadvertent creation of G4Transpo << 
 21     calls to G4Transportation constructor.)    << 
 22                                                << 
 23 ## 2023-01-09 Jonas Hahnfeld (transport-V11-01 << 
 24 - Fix compilation warning about unused variabl << 
 25                                                << 
 26 ## 2022-11-25 Gabriele Cosmo (transport-V11-00 << 
 27 - Removed debug printouts in G4Transportation. << 
 28                                                << 
 29 ## 2022-11-23 Gabriele Cosmo (transport-V11-00 << 
 30 - Fixed compilation warnings for implicit type << 
 31                                                << 
 32 ## 2022-11-10 John Apostolakis (transport-V11- << 
 33 - New class G4TransporationParameters to hold  << 
 34   This is a class to be created in master and  << 
 35   parameters for G4Transportation and derived  << 
 36   * G4Transporation's  constructor checks for  << 
 37     instance. If found, its values will be ass << 
 38     data members of G4Transporation.           << 
 39     This behaviour is inherited by subclasses  << 
 40   * The (default) 'instance' of G4Transportati << 
 41     shared by all threads, and used for all pa << 
 42     These values could be subsequently changed << 
 43   * The G4TransporationParameters object (inst << 
 44     ( Future extensions are envisioned that al << 
 45       to be associated with a separate instanc << 
 46       to one or more particle types, e.g. elec << 
 47                                                << 
 48 ## 2022-10-05 Gabriele Cosmo (transport-V11-00 << 
 49 - Fixed compilation warnings on Intel/icx comp << 
 50   but not used.                                << 
 51                                                << 
 52 ## 2022-05-18 Gabriele Cosmo (transport-V11-00 << 
 53 - `G4Transportation`, `G4CoupledTransportation << 
 54   operator instead of logical.                 << 
 55                                                << 
 56 ## 2022-05-11 Jonas Hahnfeld (transport-V11-00 << 
 57 - `G4Transportation`: Remove non-working check << 
 58 - Remove `PUBLIC` dependency on `G4magneticfie << 
 59                                                << 
 60 ## 2022-04-24 Vladimir Ivanchenko (transport-V << 
 61 - moved G4UserSpecialCuts to physics_lists/con << 
 62 - GNUmakefile, source.cmake - removed dependen << 
 63                                                << 
 64 ## 2022-04-20 Jonas Hahnfeld (transport-V11-00 << 
 65 - `G4CoupledTransportation`: Set flags from `G << 
 66   * Replace `fFirstStepInAnyVolume` with `fFir << 
 67   * Replace `fAnyGeometryLimitedStep` with `fG << 
 68   * Remove wrong check in case of zero steps   << 
 69 - `G4Transportation`:                          << 
 70   * Remove wrong check in case of zero steps   << 
 71   * Set step status on volume boundary         << 
 72                                                << 
 73 ## 2022-01-17 Jonas Hahnfeld (transport-V11-00 << 
 74 - Remove useless `const_cast` of `G4VSensitive << 
 75                                                << 
 76 ## 2022-01-05 Jonas Hahnfeld (transport-V11-00 << 
 77 - `G4CoupledTransportation`:                   << 
 78   * Use new constant `G4TransportationManager: << 
 79   * Inherit from `G4Transportation`, remove du << 
 80                                                    19 
 81 ## 2021-12-10 Ben Morgan (transport-V11-00-00) <<  20 Nov  27th, 2007, J.Apostolakis  transport-V09-00-05a 
 82 - Change to new Markdown History format        << 
 83                                                << 
 84 ---                                            << 
 85                                                << 
 86 # History entries prior to 11.0                << 
 87                                                << 
 88 Sep 23rd 2021, Alberto Ribon transport-V10-07- << 
 89 ----------------------------                   << 
 90 - Added PARALLEL_WORLD_PROCESS to G4Transporta << 
 91   (to avoid hardwired value "491" in the const << 
 92    G4ParallelWorldProcess).                    << 
 93                                                << 
 94 Apr 16th 2021, Ben Morgan transport-V10-07-02  << 
 95 -------------------------                      << 
 96 - Migrate build to modular CMake API           << 
 97                                                << 
 98 Feb 24th 2021, G. Cosmo transport-V10-07-01    << 
 99 -----------------------                        << 
100 - Enable setting of smooth curved trajectories << 
101   G4CoupledTransportation::AlongStepDoIt(), wh << 
102   mistake. Based on discussion in Geant4 Forum << 
103                                                << 
104 Dec 16th 2020, G. Amadio transport-V10-07-00   << 
105 ------------------------                       << 
106 - Limit reporting of number of calls to G4Tran << 
107   to when either G4VERBOSE or G4DEBUG_TRANSPOR << 
108   avoid using a thread local variable for a sl << 
109                                                << 
110 Oct 26th 2020, G. Amadio & J.Apostolakis trans << 
111 ----------------------------------------       << 
112 - A substantial reorganisation of G4Transporta << 
113   to use values already in cache, reduce the n << 
114   use extra local variables for track properti << 
115   The method is one of the heaviest in many ty << 
116   Profiling identified a persistent reduction  << 
117   loads after these changes.                   << 
118                                                << 
119 Nov  1st 2019, J.Apostolakis transport-V10-05- << 
120 ----------------------------                   << 
121 - Optimisation in G4Transportation and G4Coupl << 
122   Avoid calling user field manager's Configure << 
123   except if particle is charged, or forces fro << 
124   or gravity are enabled.                      << 
125                                                << 
126   * Introduces new common 'flag' in G4(Coupled << 
127       to enable gravity fields.                << 
128     The following static method must be called << 
129     gravity fields:                            << 
130        G4Transportation::EnableGravity(G4bool  << 
131                                                << 
132 - Added flag in G4Transportation/G4CoupledTran << 
133    silence warning about looping tracks.       << 
134                                                << 
135 Aug 15th 2019, D.Sorokin transport-V10-05-01   << 
136 ------------------------                       << 
137 - Enable relaxing of delta chord condition (to << 
138     issue) for tracks below 'important' energy << 
139                                                << 
140 Aug 15th 2019, J.Apostolakis transport-V10-05- << 
141 ----------------------------                   << 
142 - G4Transportation and G4CoupledTransportation << 
143     resetting of looper flag and other state f << 
144     * Replaced check for 'Global' field with c << 
145       This is needed to ensure that propagator << 
146       reset when the setup inludes only local  << 
147     * Ensure that looping flag is reset (false << 
148       in G4CoupledTransportation::AlongStepGet << 
149       ( Before it was overwritten afterwards.  << 
150                                                << 
151    Addresses bugzilla Problem report 2144.     << 
152    Thanks to Richard T. Jones (U. Conn) and La << 
153      GlueX experiment team.                    << 
154                                                << 
155 Nov 9th  2018, J.Apostolakis transport-V10-04- << 
156 ----------------------------                   << 
157 - G4Transportation and G4CoupledTransportation << 
158     Added method SetLowLooperThresholds for lo << 
159     Added method ReportLooperThresholds method << 
160 - G4CoupledTransportation: Additional statisti << 
161      (to be same as G4Transportation).         << 
162 - G4TransportationLogger: New ReportLooperThre << 
163                                                << 
164 Nov 9th  2018, G.Cosmo transport-V10-04-12     << 
165 ----------------------                         << 
166 - Use G4cout to print statistics from G4[Coupl << 
167                                                << 
168 Nov 8th  2018, J.Apostolakis transport-V10-04- << 
169 ----------------------------                   << 
170 - G4[Coupled]Transportation: Added extra simpl << 
171   at destruction:                              << 
172    * New stats: non-electrons loopers killed ( << 
173    * Record statistics for non-electron looper << 
174      - total energy                            << 
175      - maximum energy and the PDG of the type  << 
176    * Statistics now printed by a new method,   << 
177       and are printed also if verbose = 0  ( w << 
178    * Description method, to print key paramete << 
179                                                << 
180 Nov 8th  2018, J.Apostolakis transport-V10-04- << 
181 ----------------------------                   << 
182 - G4Transportation & G4CoupledTransportation:  << 
183   Summary:                                     << 
184      Restored old default energy thresholds fo << 
185   Full information:                            << 
186   * Added method SetHighLooperThresholds() to  << 
187     parameters for killing looping particles:  << 
188      - warning energy to 100 MeV ( particles b << 
189      - important energy to 250 MeV ( above, tr << 
190   * Default constructors now use these high va << 
191   * Added checks in SetMethods of looper param << 
192      to report error if logger is missing.     << 
193   * New auxiliary methods PushThresholdsToLogg << 
194                                                << 
195 Nov 7th  2018, J.Apostolakis transport-V10-04- << 
196 ----------------------------                   << 
197 - G4Transportation & G4CoupledTransportation:  << 
198   * Adjusted killing of looping particles, to  << 
199   * Unstable particles will be propagated inde << 
200   * Added Printing the maximum energy and sum  << 
201     in G4(Coupled)Transportation destructor.   << 
202                                                << 
203 July 9th  2018, G.Cosmo transport-V10-04-06    << 
204 -----------------------                        << 
205 - Minor code cleanup in G4[Coupled]Transportat << 
206   Use G4Exception for warnings, instead of str << 
207                                                << 
208 June 15th  2018, G.Cosmo transport-V10-04-05   << 
209 ------------------------                       << 
210 - Fixed Coverity warnings...                   << 
211                                                << 
212 June 15th  2018, G.Cosmo transport-V10-04-04   << 
213 ------------------------                       << 
214 - Fixed compilation errors on Windows.         << 
215                                                << 
216 June 14th  2018, J.Apostolakis transport-V10-0 << 
217 ------------------------------                     21 ------------------------------
218 - New class G4TransportationLogger to consolid <<  22 G4CoupledTransportation
219   Transportation processes. First step: it now <<  23 - Added updating of particle-looping flag (was commented out.)
220   for looping tracks. Added information on mat << 
221 - G4Transportation and G4CoupledTransportation << 
222   0 to 1 keV for warning when abandoning loopi << 
223   Tracks with less energy do not get reported. << 
224   Use G4TransportationLogger to report looping << 
225                                                    24 
226 June  8th  2018, J.Apostolakis transport-V10-0 <<  25 Nov   8th, 2007, J.Apostolakis  transport-V09-00-05
227 ------------------------------                     26 ------------------------------
228 - Fixed and improved reporting of looping trac <<  27 G4Transportation:
229   Now issues warning and provides information  <<  28 - Create new method (and class member) for flag on Short StepOptimisation.
230   in addition to energy and its value at pre-s <<  29   * When it is true, the optimisation is 'on' steps shorter than the
231                                                <<  30      safety will not call G4Navigator - so long as the particle goes straight
232 June  8th  2018, G.Cosmo transport-V10-04-01   <<  31      ie it is not charged or there is no field.
233 ------------------------                       <<  32   * Retained the default value as 'off' - as since changed in 
234 - Some code cleanup in G4Transportation and G4 <<  33      transport-V09-00-02 following Alex's suggestion.
235   Removed few global static symbols introduced <<  34 
236                                                <<  35 Nov   8th, 2007, J.Apostolakis  transport-V09-00-04
237 June  7th 2018, J.Apostolakis transport-V10-04 <<  36 ------------------------------
238 -----------------------------                  <<  37 G4Transportation (AlongStepGPIL)
239 - G4Transportation & G4CoupledTransportation:  <<  38 - Moved the call to ConfigureForTrack before the check whether 
240   thresholds related to the killing of looping <<  39     fieldMgr has 0 field ptr, in order to enable it to be called 
241      'Important' Energy: particles with MORE e <<  40     even if the field manager points to a zero field.
242                          multiple steps (fThre << 
243      'Warning'   Energy: particles with LESS e << 
244      Intermediate value: particles between the << 
245                          one 'looping step' (w << 
246   New values:  Warning_Energy= 0. Important_En << 
247   NOTES:                                       << 
248    1) This can happen if a track's propagation << 
249       number of integration steps.  ( Default  << 
250       accessed by G4PropagatorInField's  Get/S << 
251    2) Usually the material is vacuum or very l << 
252       And particles have either low momentum o << 
253       component along the direction of the mag << 
254                                                << 
255   Improved reporting of the issue of dropped p << 
256   threshold'):                                 << 
257     * Provide the type of particle and the pos << 
258       the energy (already).                    << 
259     * added recommendations for users if they  << 
260       (these are printed only for the first 5  << 
261   Addressing problem report #2063.             << 
262                                                << 
263 November 22st 2017, V.Ivanchenko transport-V10 << 
264 --------------------------------               << 
265 - G4NeutronKiller: moved virtual methods from  << 
266   do not use generic <int> type, should not af << 
267                                                << 
268 November 1st 2017, J.Apostolakis transport-V10 << 
269 --------------------------------               << 
270 - Small changes in G4Transportation - early se << 
271                                                << 
272 August 28th 2017, G.Cosmo        transport-V10 << 
273 --------------------------                     << 
274 - Make appropriate setting/use of verbosity fr << 
275   instead of re-defining/using local verbosity << 
276   and G4CoupledTransportation.                 << 
277   Addressing problem report #1999.             << 
278                                                << 
279 August 28th 2017, G.Cosmo        transport-V10 << 
280 --------------------------------               << 
281 - Fixed use of G4DEBUG_TRANSPORT flag in G4Cou << 
282                                                << 
283 August 25th 2017, J.Apostolakis transport-V10- << 
284 --------------------------------               << 
285 - G4CoupledTransportation & G4Transportation:  << 
286     using dedicated method of ProgatorInField. << 
287     Smaller code, and future proof.            << 
288                                                << 
289 February 12th 2015, J.Apostolakis transport-V1 << 
290 --------------------------------               << 
291 - G4CoupledTransportation:: Made SignifyStepIn << 
292     Stoped using IsLastStepInVolume for step l << 
293                                                << 
294 January 20th 2015, J.Apostolakis transport-V10 << 
295 --------------------------------               << 
296 - G4CoupledTransportation: Added ability to id << 
297     the mass geometry or in any geometry.  Als << 
298     in the mass geometry.                      << 
299     Extends fix of tag transport-V10-01-00.    << 
300                                                << 
301   Since it is not clear whether user wants/nee << 
302     any geometry or just in the mass geometry, << 
303   Configurable: whether the flag represents a  << 
304   or any geometry (currently the default - wha << 
305   Also depends in geomnav-V10-01-02 and track- << 
306   Addresses Bugzilla issue #1032.              << 
307                                                << 
308 January 10th 2014, M.Kelsey transport-V10-01-0 << 
309 ---------------------------                    << 
310 - G4Transportation.cc, G4CoupledTransportation << 
311   AlongStepGetPhysicalInteractionLength(), ini << 
312   using G4DynamicParticle (as is used in DoIt) << 
313   Resolves inconsistent kinematics when dynami << 
314   from "PDG" mass.                             << 
315                                                << 
316 December 17th 2014, J.Apostolakis transport-V1 << 
317 ---------------------------------              << 
318 - G4Transportation: Added ability to identify  << 
319    propagation in field.                       << 
320    Requires use of tags in navigation (geomnav << 
321    Addresses Bugzilla issue #1032.             << 
322                                                << 
323 November 21st 2014, J.Apostolakis transport-V1 << 
324 --------------------------------- (corrected v << 
325 - Added initialization of G4CoupledTransportat << 
326   Renamed data member, to make its name canoni << 
327                                                << 
328 October 15th 2014, M.Asai transport-V10-00-05  << 
329 -------------------------                      << 
330 - G4CoupledTransportation is reverted to trans << 
331 - G4Transportation and G4CoupledTransportation << 
332   fUseMagneticMoment and its set method Enable << 
333   static.                                      << 
334                                                << 
335 May   27st 2014, V.Ivanchenko transport-V10-00 << 
336 ------------------------------                 << 
337 - G4UserSpecialCuts - fixed trivial Coverity r << 
338                                                    41 
339 May   21st 2014, J.Apostolakis transport-V10-0 <<  42   Needed to enable a user to switch a global field on (off was possible), as a
340 ------------------------------                 <<  43   track goes between volume (or regions) of a setup.   
341 - Revised  AlongStepDoIt methods of G4Transpor <<  44         [ Response to request of Atlas/ZM. ] 
342    G4CoupledTransportation:                    << 
343    * Adapted to revised signature for G4FieldT << 
344      which now take PDG spin.                  << 
345    * Changed to use different constructor for  << 
346    * Adapted to revised signature of G4ChargeS << 
347      now 3rd argument and mandatory. )         << 
348                                                    45 
349 NOTE: Requires tag field-V10-00-03 of geometry <<  46   Note: this ordering already existed in G4CoupledTransportation.
350                                                    47 
351                                                    48 
352 March 14th 2014, J.Apostolakis transport-V10-0 <<  49 Oct  12th, 2007, J.Apostolakis  transport-V09-00-03
353 ------------------------------                     50 ------------------------------
354 - Fix time in case of zero step, in G4CoupledT <<  51 G4CoupledTransportation
355   This caused a 'going back in time' error, wh <<  52 - Improves condition for flag that regulates Relocating when only 
356   in particular at the boundary of a parallel  <<  53     any geometry (including a parallel geometry) limits the step.  
357                                                << 
358   > Corrects Issue 1017 in the Geant4 Problem  << 
359     http://bugzilla-geant4.kek.jp/show_bug.cgi << 
360                                                << 
361   NOTE: Requires tag geomnav-V10-00-01         << 
362                                                << 
363 October 18th 2013, J.Apostolakis transport-V09 << 
364 --------------------------------               << 
365 - Initialize missing data members in G4Coupled << 
366   Addresses issue identified by Coverity.      << 
367                                                << 
368 May 13th, 2013, G.Cosmo          transport-V09 << 
369 -----------------------                        << 
370 - Removed left-over assert() calls in G4Couple << 
371                                                << 
372 May 9th, 2013, J.Apostolakis     transport-V09 << 
373 ----------------------------                   << 
374 - Added protection to revised G4CoupledTranspo << 
375   finder (or field manager) is not defined.    << 
376                                                << 
377 May 8th, 2013, P.Gumplinger, J.Apostolakis tra << 
378 ------------------------------------------     << 
379 - Adapted G4Transportation and G4CoupledTransp << 
380   for charge/spin/magnetic moment, and to mess << 
381   directly with it.                            << 
382   The tag(s) above co-work with and requires t << 
383   had-binary-V09-06-05, geomnav-V09-06-06 and  << 
384                                                << 
385 Mar. 22nd, 2013, G. Cosmo transport-V09-06-03  << 
386 -------------------------                      << 
387 - Removed unnecessary static local variables i << 
388   G4CoupledTransportation.                     << 
389                                                << 
390 Mar. 21st, 2013, A. Dotti transport-V09-06-02  << 
391 -------------------------                      << 
392 - Correcting initialisation of thread-local po << 
393   and G4CoupledTransportation for MT.          << 
394                                                << 
395 Feb. 26th, 2013, G.Cosmo transport-V09-06-01   << 
396 ------------------------                       << 
397 - Removed unused data members in G4Transportat << 
398   Some code cleanup.                           << 
399                                                << 
400 Feb. 6th, 2013, G.Cosmo transport-V09-06-00    << 
401 -----------------------                        << 
402 - G4Transportation.cc, G4CoupledTransportation << 
403     Corrected condition for warning message in << 
404     Code cleanup on MT changes.                << 
405                                                << 
406 Jan. 15th, 2013, A.Dotti                       << 
407 ------------------------                       << 
408 - Merged changes for multi-threading through a << 
409   Modified files: G4Transportation.cc and G4Co << 
410                                                << 
411 Jul. 12th, 2011, J.Apostolakis transport-V09-0 << 
412 ------------------------------                 << 
413 - G4Transportation.cc:                         << 
414     Corrected issues with initialisation of da << 
415     Renamed data member endpointdistance to fE << 
416                                                << 
417 Jul. 5th, 2012 Gabriele Cosmo transport-V09-05 << 
418 -----------------------------                  << 
419 - Explicitly use inclusion of headers for syst << 
420   constants, in plan to remove implicit inclus << 
421                                                << 
422 Jun. 7th, 2012 Gabriele Cosmo transport-V09-05 << 
423 -----------------------------                  << 
424 - Fixed spurious cases of hidden variable visi << 
425   '-Wshadow' compilation option on gcc compile << 
426                                                << 
427 Nov. 4th, 2011, J.Apostolakis transport-V09-04 << 
428 -----------------------------                  << 
429 - Turned off tracking for magnetic moment - by << 
430   It can be enabled in                         << 
431     G4Transportation, G4CoupledTransportation  << 
432   by using the new method EnableUseMagneticMom << 
433   Should ensure particles with a moment are no << 
434   unless user needs this.                      << 
435                                                << 
436 Nov. 4th, 2011, J.Apostolakis transport-V09-04 << 
437 -----------------------------                  << 
438 * Reduce overhead of the addition of Gravity   << 
439 - G4Transportation: Revised condition for grav << 
440   G4CoupledTransportation: Revised the field-d << 
441    with improved logic to cope with ConfigureF << 
442   Deleted dependence on G4UniformGravityField  << 
443   Tag coworks with field-V09-04-05             << 
444                                                << 
445 Nov. 1st, 2011, P.Gumplinger transport-V09-04- << 
446 -----------------------------                  << 
447 - add condition to the condition, gravity != N << 
448   also restMass != 0.0. Modify G4CoupledTransp << 
449   G4Transportation.cc                          << 
450                                                << 
451 Oct. 28th, 2011, P.Gumplinger transport-V09-04 << 
452 -----------------------------                  << 
453 - allow for spin tracking of neutral particles << 
454   allow for uniform gravity field tracking of  << 
455   tag coworks with field-V09-04-03.            << 
456                                                << 
457 Oct. 28th, 2011, P.Gumplinger transport-V09-04 << 
458 -----------------------------                  << 
459 - remove all special reverence and logic regar << 
460   in G4Transportation.cc and G4CoupledTranspor << 
461                                                << 
462 Aug. 8th, 2011, H.Kurashige  transport-V09-04- << 
463 ---------------------------                    << 
464 - Modify calculation of deltaTime for optical  << 
465   Use the updated velocity obtained from G4Tra << 
466   instead of the initial velocity of the step. << 
467   (see problem #1239)                          << 
468   [ This is because the velocity at the initia << 
469   a previous volume.  If the PreStepPoint was  << 
470   the previous step was in another volume, whi << 
471   PreStepPoint --> and its velocity would be w << 
472                                                << 
473 July 6th, 2011, H.Kurashige  transport-V09-04- << 
474 ---------------------------                    << 
475 - Modify G4Transportation (and CoupledTtanspor << 
476   to propose the final local time rather than  << 
477   so that local time can be updated properly.  << 
478   (see problem #1224)                          << 
479   [ This adapts to the recent change in Tracki << 
480   the change of LocalTime trigger the change o << 
481   (instead of vice-versa). ]                   << 
482                                                << 
483 June 10th, 2011, J.Apostolakis  transport-V09- << 
484 ------------------------------                 << 
485 - Fix for invalid safety passed to SafetyHelpe << 
486                                                << 
487 June 10th, 2011, J.Apostolakis  transport-V09- << 
488 ------------------------------                 << 
489 - Fix G4Transportation::AlongStepDoIt          << 
490   Use only initial velocity to update time. An << 
491   at endpoint is not yet available. (finalVelo << 
492     ==> It will be updated later in the tracki << 
493         energy loss is applied, and it will be << 
494   Transportation only in the PostStepDoIt()    << 
495                                                << 
496 May 26th, 2011, H.Kurashige  transport-V09-04- << 
497 ---------------------------                    << 
498 - Define ProcessSubType for processes under tr << 
499 - Change process type of G4NeutronBuilder to f << 
500                                                << 
501 January 26th, 2011, G.Cosmo  transport-V09-04- << 
502 ---------------------------                    << 
503 - Simplified implementation of G4CoupledTransp << 
504   avoid unnecessary static pointer definition. << 
505                                                << 
506 January 21th, 2011, V.Ivanchenko  transport-V0 << 
507 --------------------------------               << 
508 - G4UserSpecialCuts - fixed compilation proble << 
509                                                << 
510 January 21th, 2011, V.Ivanchenko  transport-V0 << 
511 --------------------------------               << 
512 - G4UserSpecialCuts: fixed bug in energy track << 
513   of checks: 1st energy tracking cut, 2nd trac << 
514   4th range for charged particles with non-zer << 
515   string comparisons.                          << 
516                                                << 
517 January 4th, 2011, M.Asai  transport-V09-04-00 << 
518 -------------------------                      << 
519 - G4CoupledTransportation: added EndTracking() << 
520   activated navigator list.                    << 
521                                                << 
522 September 13th, 2010, J.Apostolakis  transport << 
523 -----------------------------------            << 
524 - Improvement to G4Transportation: copy curren << 
525   time it is computed (it used to be copied on << 
526   end of step).                                << 
527                                                << 
528 September 13th, 2010, J.Apostolakis  transport << 
529 ----------------------------------             << 
530 - Retagged - to propose for testing.           << 
531                                                << 
532 November 17th, 2009, J.Apostolakis  transport- << 
533 ----------------------------------             << 
534 - G4Transportation:                            << 
535   o Fix: Update the Step flag which identifies << 
536      It is now done for the linear steps (no c << 
537                                                << 
538 November 26th, 2008, J.Apostolakis  transport- << 
539 ----------------------------------             << 
540 - G4CoupledTransportation:                     << 
541   o Fix: initialise new data member (in constr << 
542                                                << 
543 November 21st, 2008, J.Apostolakis  transport- << 
544 ----------------------------------             << 
545 - G4Transportation & G4CoupledTransportation:  << 
546   o Performance improvement/correction         << 
547      Avoid to compute safety at end of step fo << 
548                                                << 
549 November 21st, 2008, J.Apostolakis  transport- << 
550 ----------------------------------             << 
551                                                << 
552 - G4Transportation & G4CoupledTransportation:  << 
553   o Push value & origin of safety to SafetyHel << 
554      only when its value comes from ComputeSaf << 
555                                                << 
556 January 17th, 2008, J.Apostolakis  transport-V << 
557 ---------------------------------              << 
558 - G4Transportation & G4CoupledTransportation:  << 
559   o Clear state of all Chord Finders using G4F << 
560 - Syncronised with files on the HEAD.          << 
561 - Requires co-working tag "field-V09-01-00" (o << 
562   Functionality corresponding to tag "transpor << 
563                                                << 
564 November 27th, 2007, J.Apostolakis  transport- << 
565 ----------------------------------             << 
566 - G4CoupledTransportation                      << 
567   o Added updating of particle-looping flag (w << 
568                                                << 
569 November 10th, 2007, J.Apostolakis  transport- << 
570 ----------------------------------             << 
571 - G4Transportation:                            << 
572   o Put back the default for short step optimi << 
573                                                << 
574 November 9th, 2007, J.Apostolakis  transport-V << 
575 ---------------------------------              << 
576 - G4Transportation:                            << 
577   o Update the SafetyHelper using the safety c << 
578                                                << 
579 November 27th, 2007, J.Apostolakis  transport- << 
580 ----------------------------------             << 
581 - G4CoupledTransportation                      << 
582   o Added updating of particle-looping flag (w << 
583 - Also called "transport-V09-00-51" to make it << 
584                                                << 
585 November 8th, 2007, J.Apostolakis  transport-V << 
586 ---------------------------------              << 
587 - G4Transportation:                            << 
588   o Created new method (and class member) for  << 
589     * When it is true, the optimisation is 'on << 
590       safety will not call G4Navigator - so lo << 
591       ie it is not charged or there is no fiel << 
592     * Retained the default value as 'off' - as << 
593       transport-V09-00-02 following Alex's sug << 
594                                                << 
595 November 8th, 2007, J.Apostolakis  transport-V << 
596 ---------------------------------              << 
597 - G4Transportation (AlongStepGPIL):            << 
598   o Moved the call to ConfigureForTrack before << 
599     fieldMgr has 0 field ptr, in order to enab << 
600     even if the field manager points to a zero << 
601     Needed to enable a user to switch a global << 
602     as a track goes between volume (or regions << 
603     [ Response to request of Atlas/ZM. ]       << 
604     Note: this ordering already existed in G4C << 
605                                                << 
606 October 12th, 2007, J.Apostolakis  transport-V << 
607 ---------------------------------              << 
608 - G4CoupledTransportation:                     << 
609   o Improves condition for flag that regulates << 
610     any geometry (including a parallel geometr << 
611     New PathFinder method required.                54     New PathFinder method required.
612 - Requires and co-works with tag geomnav-V09-0 <<  55   -> Requires and co-works with tag geomnav-V09-00-03
613                                                    56 
614 October 4th, 2007, J.Apostolakis  transport-V0 <<  57 Oct   4th, 2007, J.Apostolakis  transport-V09-00-02
615 --------------------------------               <<  58 ------------------------------
616 - G4CoupledTransportation:                     <<  59 G4CoupledTransportation
617   o First fix for problem in condition for Rel <<  60 - First fix for problem in condition for Relocating when only a parallel 
618     geometry limited the step.                 <<  61     geometry limited the step.  
619   o Change of condition for recalculation safe <<  62 - Change of condition for recalculation safety (from Alex Howard) used,
620     as currently it improves stability.            63     as currently it improves stability.
621                                                    64 
622 September 25th, 2007, J.Apostolakis  transport <<  65 Sept 25th, 2007, J.Apostolakis  transport-V09-00-01
623 -----------------------------------            <<  66 ------------------------------
624 - G4Transportation:                            <<  67 G4Transportation
625   Modification to disable 'optimisation' in G4 <<  68 - Modification to disable 'optimisation' in G4Navigator for small linear
626   step  (ie when a track does less than the sa     69   step  (ie when a track does less than the safety).
627     * Relevant only if there is no field, or t     70     * Relevant only if there is no field, or the particle is neutral
628     * Temporary measure (in current form) to i     71     * Temporary measure (in current form) to improve comparison
629         old / new Transportation  (single/old  <<  72         old / new Transportation  (single/old vs coupled with pathfinder). 
630                                                    73 
631 July 12th, 2007, J.Apostolakis  transport-V09-     74 July 12th, 2007, J.Apostolakis  transport-V09-00-00
632 ------------------------------                     75 ------------------------------
633 - Retagged to enable testing of new developmen <<  76 - Retagged to enable testing of new developments 
634   (which were not included in release 9.0)     <<  77      (which were not included in release 9.0)
635                                                    78 
636 June  6th, 2007, G.Cosmo        transport-V08-     79 June  6th, 2007, G.Cosmo        transport-V08-03-14
637 -----------------------                            80 -----------------------
638 - Includes G4Transportation and G4CoupledTrans     81 - Includes G4Transportation and G4CoupledTransportation implementations
639   as in tag "transport-V08-03-11":                 82   as in tag "transport-V08-03-11":
640   o Corrected bug in ComputeSafety() introduce     83   o Corrected bug in ComputeSafety() introduced in "transport-V08-03-10".
641   o Reinitialise SafetyHelper state from G4Pat     84   o Reinitialise SafetyHelper state from G4PathFinder::PrepareNewTrack().
642   o Should fix the problem seen in test33 and      85   o Should fix the problem seen in test33 and reported by system testing.
643 - All the rest is kept as in tag "transport-V0     86 - All the rest is kept as in tag "transport-V08-03-12".
644                                                    87 
645 June  1st, 2007, A.Howard       transport-V08-     88 June  1st, 2007, A.Howard       transport-V08-03-13
646 ------------------------                           89 ------------------------
647 - Renamed classes associated with old biasing      90 - Renamed classes associated with old biasing scheme with suffix 8:
648   G4ProcessPlacer8, G4VProcessPlacer8, G4VSamp     91   G4ProcessPlacer8, G4VProcessPlacer8, G4VSamplerConfigurator8,
649   G4WeightCutOffProcess8, G4SamplingPostStepAc     92   G4WeightCutOffProcess8, G4SamplingPostStepAction8, G4VSampler8,
650   G4WeightCutOffConfigurator8                      93   G4WeightCutOffConfigurator8
651 - Includes same G4CoupledTransportation as tra     94 - Includes same G4CoupledTransportation as transport-V08-03-12
652                                                    95 
653 ********** transport-V08-03-12 was used for Ge     96 ********** transport-V08-03-12 was used for Geant4 9.0 ***************
654                                                    97 
655 May 31st, 2007, A.Howard      transport-V08-03     98 May 31st, 2007, A.Howard      transport-V08-03-12
656 ------------------------                           99 ------------------------
657 - Archived classes for old biasing scheme, now    100 - Archived classes for old biasing scheme, now replaced in module
658   processes/biasing. Removed classes:             101   processes/biasing. Removed classes:
659   G4MImportanceConfigurator, G4MScoreConfigura    102   G4MImportanceConfigurator, G4MScoreConfigurator, G4MScoreProcess,
660   G4MWeightWindowConfigurator, G4MassGCellFind    103   G4MWeightWindowConfigurator, G4MassGCellFinder, G4MassGeometrySampler,
661   G4MassImportanceProcess, G4MassWeightWindowP    104   G4MassImportanceProcess, G4MassWeightWindowProcess,
662   G4PImportanceConfigurator, G4PScoreConfigura    105   G4PImportanceConfigurator, G4PScoreConfigurator, G4PScoreProcess,
663   G4PWeightWindowConfigurator, G4ParallelGCell    106   G4PWeightWindowConfigurator, G4ParallelGCellFinder,
664   G4ParallelGeometrySampler, G4ParallelImporta    107   G4ParallelGeometrySampler, G4ParallelImportanceProcess, G4ParallelTransport,
665   G4ParallelTransportConfigurator, G4ParallelW    108   G4ParallelTransportConfigurator, G4ParallelWWnTransportProcess,
666   G4ParallelWeightWindowProcess, G4PlaceOfActi    109   G4ParallelWeightWindowProcess, G4PlaceOfAction, G4ProcessPlacer,
667   G4SamplingPostStepAction, G4VProcessPlacer,     110   G4SamplingPostStepAction, G4VProcessPlacer, G4VSampler,
668   G4VSamplerConfigurator, G4WeightCutOffConfig    111   G4VSamplerConfigurator, G4WeightCutOffConfigurator.
669 - Classes are kept on the HEAD for testing pur    112 - Classes are kept on the HEAD for testing purposes.
670 - Tag does NOT include changes from tags "tran    113 - Tag does NOT include changes from tags "transport-V08-03-00" to
671   "transport-V08-03-11" inclusive.                114   "transport-V08-03-11" inclusive.
672                                                   115 
673 May 29th, 2007, A.Howard/J.Apostolakis  transp    116 May 29th, 2007, A.Howard/J.Apostolakis  transport-V08-03-11
674 --------------------------------------            117 --------------------------------------
675 - G4CoupledTransportation:                        118 - G4CoupledTransportation:
676   o Corrected treatment of time integration (m    119   o Corrected treatment of time integration (made flags do as in original
677     Transport).                                   120     Transport).
678   o Again use momentum change flag in particle    121   o Again use momentum change flag in particle-change (optimisation).
679   o Also reset looping counter when no field o    122   o Also reset looping counter when no field or charge is present.
680 - Corrected names in Transport, Coupled Transp    123 - Corrected names in Transport, Coupled Transport. (J.Apostolakis)
681                                                   124 
682 May 29th, 2007, J.Apostolakis  transport-V08-0    125 May 29th, 2007, J.Apostolakis  transport-V08-03-10
683 -----------------------------                     126 -----------------------------
684 - Gone back to G4CoupledTransportation.           127 - Gone back to G4CoupledTransportation.
685   o G4Transportation is now the original (what    128   o G4Transportation is now the original (what was called G4Transportation8
686     since "transport-V08-03-03").                 129     since "transport-V08-03-03").
687   o G4Transportation8 still exists, to enable     130   o G4Transportation8 still exists, to enable code that utilises it to compile
688     (transitional). Expect that G4Transportati    131     (transitional). Expect that G4Transportation8 will be taken away asap.
689                                                   132 
690 May 29th, 2007, J.Apostolakis  transport-V08-0    133 May 29th, 2007, J.Apostolakis  transport-V08-03-04
691 -----------------------------                     134 -----------------------------
692 - G4Transportation. Refined relocation:           135 - G4Transportation. Refined relocation:
693   o Full (re)location only if any geometry lim    136   o Full (re)location only if any geometry limited the step.
694   o Fast relocation otherwise.                    137   o Fast relocation otherwise.
695 - Renamed & new data members: f(Mass,Any)Geome    138 - Renamed & new data members: f(Mass,Any)GeometryLimitedStep.
696                                                   139 
697 May 25th, 2007, J.Apostolakis  transport-V08-0    140 May 25th, 2007, J.Apostolakis  transport-V08-03-03
698 -----------------------------                     141 -----------------------------
699 - G4Transportation                                142 - G4Transportation
700   o Fix for case of zero proposed step: missed    143   o Fix for case of zero proposed step: missed to set end position. (A.Howard)
701 - G4Transportation8                               144 - G4Transportation8
702   o Fixed StartTracking() to reset number of l << 145   o Fixed StartTracking() to reset number of looping steps and 
703     to clear propagator state (safety issue in    146     to clear propagator state (safety issue in case of overlaps).
704                                                   147 
705 May 18th, 2007, J.Apostolakis  transport-V08-0    148 May 18th, 2007, J.Apostolakis  transport-V08-03-02
706 -----------------------------                     149 -----------------------------
707 - G4Transportation:                               150 - G4Transportation:
708   o Corrected full safety at step start, to pr    151   o Corrected full safety at step start, to protect against negative value.
709   o Obtain the endMassSafety from new saved va    152   o Obtain the endMassSafety from new saved value in G4PathFinder.
710 - G4Transportation8:                              153 - G4Transportation8:
711   o Small cleanup, and hints for saving Safety    154   o Small cleanup, and hints for saving Safety to helper.
712                                                   155 
713 May 13th, 2007, A.Howard       transport-V08-0 << 156 May 13th, 2007, A.Howard       transport-V08-03-01 
714 ------------------------                          157 ------------------------
715 - G4VTrackTerminator:                             158 - G4VTrackTerminator:
716   o Use call to G4GeometryTolerance instead of    159   o Use call to G4GeometryTolerance instead of kCarTolerance.
717   o Requires tag "global-V08-03-00" and relate    160   o Requires tag "global-V08-03-00" and related tag set.
718                                                   161 
719 May 9th, 2007, J.Apostolakis  transport-V08-03 << 162 May 9th, 2007, J.Apostolakis  transport-V08-03-00 
720 ----------------------------                      163 ----------------------------
721 - G4Transportation (hh,icc,cc)                    164 - G4Transportation (hh,icc,cc)
722   o Renamed G4CoupledTransportation to G4Trans    165   o Renamed G4CoupledTransportation to G4Transportation
723   o Merged changes on branch used to bring in     166   o Merged changes on branch used to bring in CoupledTransportation,
724     porting changes in G4Transportation since     167     porting changes in G4Transportation since the creation of
725     CoupledTransportation.                        168     CoupledTransportation.
726   o Also merged branch used for fixes in G4Tra    169   o Also merged branch used for fixes in G4Transportation.cc (1.60.2, 1.60.4)
727     for convergence to Release 9.0.               170     for convergence to Release 9.0.
728 - Renamed G4Transportation to G4Transportation    171 - Renamed G4Transportation to G4Transportation8
729 - G4ProcessPlader changed to reflect these rev    172 - G4ProcessPlader changed to reflect these revisions. (A.Howard)
730                                                   173 
731 May 8th, 2007, G.Cosmo  transport-V08-02-03       174 May 8th, 2007, G.Cosmo  transport-V08-02-03
732 ----------------------                            175 ----------------------
733 - Use call to G4GeometryTolerance instead of k    176 - Use call to G4GeometryTolerance instead of kCarTolerance in
734   G4VTrackTerminator.                             177   G4VTrackTerminator.
735 - Requires tag "global-V08-03-00" and related     178 - Requires tag "global-V08-03-00" and related tag set.
736                                                   179 
737 May 2nd, 2007, J.Apostolakis  transport-V08-02    180 May 2nd, 2007, J.Apostolakis  transport-V08-02-02
738 ----------------------------                      181 ----------------------------
739 - G4CoupledTransportation:                     << 182 - G4CoupledTransportation: 
740   o Make treatment of mass and full safety coh    183   o Make treatment of mass and full safety coherent (to-dos remain in
741     G4PathFinder).                                184     G4PathFinder).
742   o Added storing of full safety in state; ret << 185   o Added storing of full safety in state; retrieve it after compute step 
743     from PathFinder; calculate them same way a    186     from PathFinder; calculate them same way at start of step.
744   o Put back in the code for treating looping     187   o Put back in the code for treating looping particles.
745                                                   188 
746 February 15th, 2007, J.Apostolakis  transport-    189 February 15th, 2007, J.Apostolakis  transport-V08-02-01
747 ----------------------------------                190 ----------------------------------
748 - G4Transportation: protection against velocit    191 - G4Transportation: protection against velocity=0 in AlongStep (invalid).
749                                                   192 
750 February 15th, 2007, J.Apostolakis  transport-    193 February 15th, 2007, J.Apostolakis  transport-V08-02-00
751 ----------------------------------                194 ----------------------------------
752 - G4Transportation: call PropagatorInField to     195 - G4Transportation: call PropagatorInField to clear state for new track
753    --> addresses reliabilitiy problem seen by  << 196    --> addresses reliabilitiy problem seen by Atlas.  This fix is related 
754        to overlaps, clearing the safety value  << 197        to overlaps, clearing the safety value (which is multivalued due 
755        to the overlaps, and thus can become in << 198        to the overlaps, and thus can become invalid for a new track in 
756        an overlap region.)                     << 199        an overlap region.) 
757                                                   200 
758 November 22nd, 2006, J.Apostolakis  transport-    201 November 22nd, 2006, J.Apostolakis  transport-V08-01-04
759 ---------------------------------                 202 ---------------------------------
760 - Add new classes G4NeutronKiller and G4Neutro    203 - Add new classes G4NeutronKiller and G4NeutronKillerMessenger
761   (created by V. Ivantchenko)                     204   (created by V. Ivantchenko)
762                                                   205 
763 November 22nd, 2006, J.Apostolakis  transport-    206 November 22nd, 2006, J.Apostolakis  transport-V08-01-03
764 ---------------------------------                 207 ---------------------------------
765 - G4CoupledTransportation:                        208 - G4CoupledTransportation:
766   o AlongStepGPIL() now returns an estimate fo    209   o AlongStepGPIL() now returns an estimate for the safety for all geometries
767     to make up for the fact that some other pr    210     to make up for the fact that some other processes only have PostStep GPILs
768     which cannot currently influence safety.      211     which cannot currently influence safety.
769 - NOTE: Fix / Workaround for deficiency of oth    212 - NOTE: Fix / Workaround for deficiency of others.
770                                                   213 
771 November 13th, 2006, J.Apostolakis  transport-    214 November 13th, 2006, J.Apostolakis  transport-V08-01-01
772 ---------------------------------                 215 ---------------------------------
773 - Updated G4CoupledTransportation to use new s    216 - Updated G4CoupledTransportation to use new signature of
774   G4PathFinder::ComputeStep that added  new ar << 217   G4PathFinder::ComputeStep that added  new argument 
775   at the end: currentVolume.                      218   at the end: currentVolume.
776                                                   219 
777 June 2nd, 2006, J.Apostolakis  transport-V08-0    220 June 2nd, 2006, J.Apostolakis  transport-V08-00-02
778 -----------------------------                     221 -----------------------------
779 - Added new class G4CoupledTransportation, a r    222 - Added new class G4CoupledTransportation, a revised version of Transportation,
780   for use in 'coupled' parallel navigation in     223   for use in 'coupled' parallel navigation in different geometries.
781 - Includes non-revisions for migration to sstr    224 - Includes non-revisions for migration to sstream (Nov 2005).
782                                                   225 
783 Feb.  6th, 2006, J.Apostolakis/P.MoraDeFreitas    226 Feb.  6th, 2006, J.Apostolakis/P.MoraDeFreitas transport-V08-00-01
784 ----------------------------------------------    227 ----------------------------------------------
785 - Corrected problem with suspended tracks - PR    228 - Corrected problem with suspended tracks - PR# 802.
786 - Added StartTracking() method which takes ove    229 - Added StartTracking() method which takes over responsibility to
787   clear the state for a new track, and to mess    230   clear the state for a new track, and to message other relevant
788   component to clear their state (problem repo    231   component to clear their state (problem report and proposed revision
789   by P.MoraDeFreitas).                            232   by P.MoraDeFreitas).
790                                                   233 
791 Jan. 16th, 2006, J.Apostolakis transport-V08-0    234 Jan. 16th, 2006, J.Apostolakis transport-V08-00-00
792 ------------------------------                    235 ------------------------------
793 - G4Transportation:                               236 - G4Transportation:
794   o The particle's charge is now taken from th    237   o The particle's charge is now taken from the dynamic particle, so that
795     it can take into account changes from the     238     it can take into account changes from the interaction of an ion with
796     matter (eg stripping e-). (V.Ivantchenko)     239     matter (eg stripping e-). (V.Ivantchenko)
797                                                   240 
798 Nov. 21st, 2005, M.Asai transport-V07-01-00       241 Nov. 21st, 2005, M.Asai transport-V07-01-00
799 -----------------------                           242 -----------------------
800 - Migration to <sstream>.                         243 - Migration to <sstream>.
801 - Fix a warning message in G4ParallelTransport    244 - Fix a warning message in G4ParallelTransport.
802                                                   245 
803 May 10th, 2005, J.Apostolakis transport-V07-00    246 May 10th, 2005, J.Apostolakis transport-V07-00-01
804 -----------------------------                     247 -----------------------------
805 - Added process type to G4Transportation          248 - Added process type to G4Transportation
806                                                   249 
807 Mar. 7th, 2005, M.Asai transport-V07-00-00        250 Mar. 7th, 2005, M.Asai transport-V07-00-00
808 ----------------------                            251 ----------------------
809 - Added virtual to destructors of G4StepLimite    252 - Added virtual to destructors of G4StepLimiter and G4UserSpecialCuts.
810                                                   253 
811 Dec. 7th, 2004, G.Cosmo transport-V06-02-05       254 Dec. 7th, 2004, G.Cosmo transport-V06-02-05
812 -----------------------                           255 -----------------------
813 - Implemented migration to <cmath>.               256 - Implemented migration to <cmath>.
814                                                   257 
815 Nov. 23th, 2004, J.Apostolakis transport-V06-0    258 Nov. 23th, 2004, J.Apostolakis transport-V06-02-04
816 ------------------------------                    259 ------------------------------
817 - Added Threshold energy for not abandoning st    260 - Added Threshold energy for not abandoning stuck particles quickly.
818                                                   261 
819 Oct. 19th, H.Kurashige transport-V06-02-03        262 Oct. 19th, H.Kurashige transport-V06-02-03
820 ----------------------                            263 ----------------------
821 - Migrated processes to new G4VParticleChange     264 - Migrated processes to new G4VParticleChange interface.
822                                                   265 
823 Sep. 9th, M.Maire                                 266 Sep. 9th, M.Maire
824 -----------------                                 267 -----------------
825 - Apply tracking cut only if Rmin or Emin > DB    268 - Apply tracking cut only if Rmin or Emin > DBL_MIN in G4UserSpecialCuts.
826                                                   269 
827 Oct. 8th, M.Asai transport-V06-02-02              270 Oct. 8th, M.Asai transport-V06-02-02
828 ----------------                                  271 ----------------
829 - A protection is added in G4Transportation.cc    272 - A protection is added in G4Transportation.cc for an application with
830   parameterized volume but without any EM proc    273   parameterized volume but without any EM process.
831                                                   274 
832 Aug. 27th, M.Asai transport-V06-02-01             275 Aug. 27th, M.Asai transport-V06-02-01
833 -----------------                                 276 -----------------
834 - A pointer to sensitive detector is added in     277 - A pointer to sensitive detector is added in G4ParticleChangeForTransport.
835 - G4Transportation takes care of this pointer.    278 - G4Transportation takes care of this pointer.
836                                                   279 
837 Jul. 26th, M.Asai transport-V06-02-00             280 Jul. 26th, M.Asai transport-V06-02-00
838 -----------------                                 281 -----------------
839 - Introduce G4UserStepLimit to handle MaxAllow    282 - Introduce G4UserStepLimit to handle MaxAllowedStep in G4UserLimits.
840                                                   283 
841 Feb. 5th, M.Asai transport-V06-00-00              284 Feb. 5th, M.Asai transport-V06-00-00
842 ----------------                                  285 ----------------
843 - Fixed a bug in G4UserSpecialCuts related to     286 - Fixed a bug in G4UserSpecialCuts related to charged geantino
844                                                   287 
845 Nov. 26th, G.Cosmo transport-V05-02-07            288 Nov. 26th, G.Cosmo transport-V05-02-07
846 ------------------                                289 ------------------
847 - Replaced mis-typed class name G4SplittingAnd    290 - Replaced mis-typed class name G4SplittingAndRussianRouletePostStepDoIt
848   with G4SamplingPostStepAction and updated cl    291   with G4SamplingPostStepAction and updated classes accordingly.
849 - Adopt new G4Exception scheme.                   292 - Adopt new G4Exception scheme.
850 - Header inclusions and code cleanup.             293 - Header inclusions and code cleanup.
851                                                   294 
852 Nov. 14th, G.Cosmo transport-V05-02-06            295 Nov. 14th, G.Cosmo transport-V05-02-06
853 ------------------                                296 ------------------
854 - G4Transportation.cc:                            297 - G4Transportation.cc:
855   o Added inclusion of G4ChordFinder.hh, after    298   o Added inclusion of G4ChordFinder.hh, after latest changes to field.
856                                                   299 
857 Oct. 4th, G.Cosmo transport-V05-02-05             300 Oct. 4th, G.Cosmo transport-V05-02-05
858 -----------------                                 301 -----------------
859 - Modified GNUmakefile:                           302 - Modified GNUmakefile:
860   o added dependency to new module "geometry/n    303   o added dependency to new module "geometry/navigation".
861 - Coworks with "geometry-V05-02-00" and "digit    304 - Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
862                                                   305 
863 Sep. 25th, H.Kurashige transport-V05-02-04        306 Sep. 25th, H.Kurashige transport-V05-02-04
864 ----------------------                            307 ----------------------
865 - modify GNUmakefile to use processes/cuts cat    308 - modify GNUmakefile to use processes/cuts category
866 - migrate to model variant of EM physics in G4    309 - migrate to model variant of EM physics in G4UserSpecialCuts (V.Ivantchenko)
867                                                   310 
868 Aug. 27th, M.Dressel transport-V05-02-03          311 Aug. 27th, M.Dressel transport-V05-02-03
869 --------------------                              312 --------------------
870 - cleanup of header file inclusions               313 - cleanup of header file inclusions
871                                                   314 
872 Aug. 19th, M.Dressel transport-V05-02-02          315 Aug. 19th, M.Dressel transport-V05-02-02
873 --------------------                              316 --------------------
874 - rename G4ImportancePostStepDoIt to           << 317 - rename G4ImportancePostStepDoIt to 
875   G4SplittingAndRussianRouletePostStepDoIt sin << 318   G4SplittingAndRussianRouletePostStepDoIt since it is also used in 
876   weight window biasing                           319   weight window biasing
877                                                   320 
878 Aug. 19th, M.Dressel transport-V05-02-01          321 Aug. 19th, M.Dressel transport-V05-02-01
879 --------------------                              322 --------------------
880 - first implementation of weight window techni    323 - first implementation of weight window technique
881                                                   324 
882 Jul, 31st, P.Gumplinger  transport-V05-02-00      325 Jul, 31st, P.Gumplinger  transport-V05-02-00
883 -----------------------                           326 -----------------------
884 - G4Transportation.cc:                            327 - G4Transportation.cc:
885   o Use the finalVelocity to update TofF for o    328   o Use the finalVelocity to update TofF for optical photons.
886                                                   329 
887 Jul, 17th, J.Apostolakis                          330 Jul, 17th, J.Apostolakis
888 ------------------------                          331 ------------------------
889 - G4Transportation.cc:                            332 - G4Transportation.cc:
890   o Attempt to correct photon problem - by usi    333   o Attempt to correct photon problem - by using the velocity from
891     current medium for massless particles.        334     current medium for massless particles.
892                                                   335 
893 Jun, 25th, J.Apostolakis                          336 Jun, 25th, J.Apostolakis
894 ------------------------                          337 ------------------------
895 - G4Transportation[.hh.icc]:                      338 - G4Transportation[.hh.icc]:
896   o Added verbosity level to control the print    339   o Added verbosity level to control the printing of warnings (see below).
897                                                   340 
898 Jun, 21st, J.Apostolakis  transport-V05-01-06     341 Jun, 21st, J.Apostolakis  transport-V05-01-06
899 ------------------------                          342 ------------------------
900 G4Transportation:                                 343 G4Transportation:
901 - Added warning when energy changes from propa << 344 - Added warning when energy changes from propagation in magnetic field 
902   (or other field that conserves energy) due t << 345   (or other field that conserves energy) due to the inaccuracy of 
903   numerical integration of the equations of mo    346   numerical integration of the equations of motion.
904                                                   347 
905 Jun, 21st, J.Apostolakis  transport-V05-01-05     348 Jun, 21st, J.Apostolakis  transport-V05-01-05
906 ------------------------                          349 ------------------------
907 - G4Transportation:                               350 - G4Transportation:
908   o Use new method of PropagatorInField to sim    351   o Use new method of PropagatorInField to simplify choice of
909     global/local field.                           352     global/local field.
910   o Activated the new capability of a (user de    353   o Activated the new capability of a (user derived) field manager to
911     configure itself with different accuracy p    354     configure itself with different accuracy parameters depending on
912     track's energy, particle identity, or othe    355     track's energy, particle identity, or other property.
913 - Notes:                                          356 - Notes:
914   o Requires tags "field-V05-01-04" and "geomv    357   o Requires tags "field-V05-01-04" and "geomvol-V05-01-03"
915   o Includes updates of files to use <std> in     358   o Includes updates of files to use <std> in place of "g4std",
916     as made at the CVS HEAD.                      359     as made at the CVS HEAD.
917                                                   360 
918 Jun, 13th, M.Dressel       transport-V05-01-04    361 Jun, 13th, M.Dressel       transport-V05-01-04
919 --------------------                              362 --------------------
920 - Added to put the delete fImportancePostStepD    363 - Added to put the delete fImportancePostStepDoIt in G4MassImportanceProcess
921   and G4ParallelImportanceProcess.                364   and G4ParallelImportanceProcess.
922                                                   365 
923 Jun, 13th, M.Dressel       transport-V05-01-03    366 Jun, 13th, M.Dressel       transport-V05-01-03
924 --------------------                              367 --------------------
925 - Fixed bug created by last bug fix in G4MassI    368 - Fixed bug created by last bug fix in G4MassImportanceProcess
926   and G4ParallelImportanceProcess.                369   and G4ParallelImportanceProcess.
927                                                   370 
928 Jun, 12th, M.Dressel       transport-V05-01-02    371 Jun, 12th, M.Dressel       transport-V05-01-02
929 --------------------                              372 --------------------
930 - Fixed "'this' : used in base member initiali << 373 - Fixed "'this' : used in base member initializer list" in 
931   src\G4MassImportanceProcess.cc, src\G4Parall    374   src\G4MassImportanceProcess.cc, src\G4ParallelImportanceProcess.cc
932                                                   375 
933 Jun, 4th, G.Cosmo          transport-V05-01-01    376 Jun, 4th, G.Cosmo          transport-V05-01-01
934 -----------------                                 377 -----------------
935 - Fixes for inclusion of <strstream> in G4Para    378 - Fixes for inclusion of <strstream> in G4ParallelImportanceProcess.cc
936   and G4ParallelTransport.cc in view  of the g    379   and G4ParallelTransport.cc in view  of the g4std wrappers migration.
937                                                   380 
938 May, 13th, J.Apostolakis   transport-V05-01-00    381 May, 13th, J.Apostolakis   transport-V05-01-00
939 ------------------------                          382 ------------------------
940 - Fixes to G4Transportation.cc to accomodate i    383 - Fixes to G4Transportation.cc to accomodate incorrect and
941   missing functionality for two use cases:        384   missing functionality for two use cases:
942   o a local field when no global field exists     385   o a local field when no global field exists  (it was not seen)
943   o overriding an existing global field by a '    386   o overriding an existing global field by a 'zero' field
944     by creating a local field manager that has << 387     by creating a local field manager that has a null G4Field pointer 
945     (a use case which did not exist.)             388     (a use case which did not exist.)
946   Further work to verify these use cases work  << 389   Further work to verify these use cases work is required.  
947                                                   390 
948 Apr, 7th, V.Ivanchenko     transport-V05-00-04    391 Apr, 7th, V.Ivanchenko     transport-V05-00-04
949 -----------------                                 392 -----------------
950 - Migration to "cuts by region" for G4UserSpec    393 - Migration to "cuts by region" for G4UserSpecialCuts.
951                                                   394 
952 Apr, 3rd, G.Cosmo          transport-V05-00-03    395 Apr, 3rd, G.Cosmo          transport-V05-00-03
953 -----------------                                 396 -----------------
954 - Cleared pedantic warnings and some cosmetic     397 - Cleared pedantic warnings and some cosmetic cleanups...
955                                                   398 
956 Jan, 14th, M.Asai          transport-V05-00-02    399 Jan, 14th, M.Asai          transport-V05-00-02
957 -----------------                                 400 -----------------
958 - Consolidated transport-V05-00-01 tag for G4T    401 - Consolidated transport-V05-00-01 tag for G4Transportation.cc
959                                                   402 
960 Jan, 7th, M.Asai           transport-V05-00-01    403 Jan, 7th, M.Asai           transport-V05-00-01
961 ----------------                                  404 ----------------
962 - Fix in G4Transportation.cc for updating mate    405 - Fix in G4Transportation.cc for updating material-cut-couple.
963                                                   406 
964 Dec, 16th, G. Cosmo        transport-V05-00-00    407 Dec, 16th, G. Cosmo        transport-V05-00-00
965 -------------------                               408 -------------------
966 - Merged branch "geant4-04-01-ref-02-cuts-bran    409 - Merged branch "geant4-04-01-ref-02-cuts-branch" to HEAD.
967   Included development for 'cuts-by-region' in    410   Included development for 'cuts-by-region' in G4Transportation.cc.
968                                                   411 
969 Nov, 20th, J. Apostolakis  transport-V04-01-05    412 Nov, 20th, J. Apostolakis  transport-V04-01-05
970 -------------------------                         413 -------------------------
971 - Tagged.                                         414 - Tagged.
972    Tag requires:   geomvol-V04-01-06 and track    415    Tag requires:   geomvol-V04-01-06 and tracking-V04-01-10
973       and is dependent also on greps-V04-01-01 << 416       and is dependent also on greps-V04-01-01 and track-V04-01-01. 
974                                                   417 
975 Nov, 8th, J.Generowicz                            418 Nov, 8th, J.Generowicz
976 - Copy auxiliary smooth trajectory point from     419 - Copy auxiliary smooth trajectory point from PIF to ParticleChange
977                                                   420 
978 Nov,  4th 2002 M.Dressel transport-V04-01-04      421 Nov,  4th 2002 M.Dressel transport-V04-01-04
979 ----------------------------------------------    422 -----------------------------------------------------
980 - remove G4std:: where it does not belong to      423 - remove G4std:: where it does not belong to
981 - replace str() functions                         424 - replace str() functions
982                                                   425 
983 Oct  31st, 2002 M.Dressel transport-V04-01-03     426 Oct  31st, 2002 M.Dressel transport-V04-01-03
984 ----------------------------------------------    427 -----------------------------------------------------
985 - bug fix in G4MassGeometrySampler and G4Paral    428 - bug fix in G4MassGeometrySampler and G4ParallelGeometrySampler
986                                                   429 
987 Oct  28th, 2002 M.Dressel transport-V04-01-02     430 Oct  28th, 2002 M.Dressel transport-V04-01-02
988 ----------------------------------------------    431 -----------------------------------------------------
989 - bug fix in G4MassGeometry                       432 - bug fix in G4MassGeometry
990                                                   433 
991 Oct  22th, 2002 M.Dressel internal_7_transport    434 Oct  22th, 2002 M.Dressel internal_7_transport-V04-01-01
992 ----------------------------------------------    435 --------------------------------------------------------
993 - moving G4CellStoreScorer, G4TrackLogger         436 - moving G4CellStoreScorer, G4TrackLogger
994   to digits+hits/detector                         437   to digits+hits/detector
995 - resolving G4SLRawValues                         438 - resolving G4SLRawValues
996                                                   439 
997 Oct  16th, 2002 M.Dressel internal_6_transport    440 Oct  16th, 2002 M.Dressel internal_6_transport-V04-01-01
998 ----------------------------------------------    441 --------------------------------------------------------
999 - changes recomanded by codewizrd                 442 - changes recomanded by codewizrd
1000 - added GCellFinder concept                      443 - added GCellFinder concept
1001                                                  444 
1002 Oct  10th, 2002 M.Dressel transport-V04-01-01    445 Oct  10th, 2002 M.Dressel transport-V04-01-01-internal-5
1003 ---------------------------------------------    446 --------------------------------------------------------
1004 - changing sampler concept: instead of separa    447 - changing sampler concept: instead of separat samplers for
1005   all combinations of importance sampling, sc    448   all combinations of importance sampling, scoring, wieght roulette
1006   for parallel and mass geometry there are tw    449   for parallel and mass geometry there are two Samplers now
1007   for the mass and parallel geometry: G4MassG << 450   for the mass and parallel geometry: G4MassGeometrySampler 
1008   and G4ParallelGeometrySampler.              << 451   and G4ParallelGeometrySampler. 
1009 - Introduction of Configurators to setup the     452 - Introduction of Configurators to setup the processes.
1010                                                  453 
1011 Sep  18th, 2002 M.Dressel transport-V04-01-01    454 Sep  18th, 2002 M.Dressel transport-V04-01-01-internal-4
1012 ---------------------------------------------    455 --------------------------------------------------------
1013 - tagging a version before reducing the numbe    456 - tagging a version before reducing the number of Samplers
1014                                                  457 
1015 Sep  2th, 2002 M.dressel  transport-V04-01-01    458 Sep  2th, 2002 M.dressel  transport-V04-01-01-internal-3
1016 -----------------------------------------        459 -----------------------------------------
1017     code cleanup for code-wizard                 460     code cleanup for code-wizard
1018                                                  461 
1019 Aug  29th, 2002 M.Dressel int-1-V04-01-01        462 Aug  29th, 2002 M.Dressel int-1-V04-01-01
1020 -----------------------------------------        463 -----------------------------------------
1021 - adopted to changes in int-2-geombias-V04-01    464 - adopted to changes in int-2-geombias-V04-01-01:
1022      renaming of G4PTouchableKey to G4Geometr << 465      renaming of G4PTouchableKey to G4GeometryCell 
1023      changing  G4VIStore and G4IStore         << 466      changing  G4VIStore and G4IStore 
1024      and dependants                              467      and dependants
1025                                                  468 
1026 Aug  13th, 2002 M.Dressel transport-V04-01-01    469 Aug  13th, 2002 M.Dressel transport-V04-01-01
1027 ---------------------------------------------    470 ----------------------------------------------
1028 - added G4CellStoreScorer,  G4VTrackTerminato    471 - added G4CellStoreScorer,  G4VTrackTerminator and changed the sampler
1029   classes in order to use the G4VTrackTermina    472   classes in order to use the G4VTrackTerminator (if necessary) to
1030   kill a track.                               << 473   kill a track. 
1031 - coworks with geombias-V04-01-01                474 - coworks with geombias-V04-01-01
1032                                                  475 
1033 July 18th, 2002 M.Dressel                     << 476 July 18th, 2002 M.Dressel 
1034 -------------------------                        477 -------------------------
1035 - bug fix in G4TrackLogger                       478 - bug fix in G4TrackLogger
1036                                                  479 
1037 July 11th, 2002 M.Dressel internal-2-transpor    480 July 11th, 2002 M.Dressel internal-2-transport-V04-01-01
1038 ---------------------------------------------    481 --------------------------------------------------------
1039 - moved the standard scoring classes to run b << 482 - moved the standard scoring classes to run because 
1040   they need G4EventManager.                      483   they need G4EventManager.
1041                                                  484 
1042 July 10th, 2002 M.Dressel internal-1-transpor    485 July 10th, 2002 M.Dressel internal-1-transport-V04-01-01
1043 ---------------------------------------------    486 --------------------------------------------------------
1044 - add classes for standard scoreing. Remove G    487 - add classes for standard scoreing. Remove G4ScorePrinter and G4Scorer.
1045   G4StandardScorer and G4StandardScoreTable m    488   G4StandardScorer and G4StandardScoreTable may be used as replacement.
1046   The source file G4StandardScorer.cc may be  << 489   The source file G4StandardScorer.cc may be found in 
1047   extended/examples/B09/src because it needs     490   extended/examples/B09/src because it needs to acces the
1048   G4EventManager.                                491   G4EventManager.
1049                                                  492 
1050 Jun   13, 2002 M.Dressel transport-V04-00-09  << 493 Jun   13, 2002 M.Dressel transport-V04-00-09 
1051 ---------------------------------------------    494 ---------------------------------------------
1052 - add classes for creating and printing talli    495 - add classes for creating and printing tallies.
1053                                                  496 
1054 May   31, 2002  M.Dressel transport-V04-00-08    497 May   31, 2002  M.Dressel transport-V04-00-08
1055 ---------------------------------------------    498 --------------------------------------------------------
1056 - made weight window sampling to apply only a    499 - made weight window sampling to apply only at inital track step 1.
1057                                                  500 
1058 May   31, 2002  M.Dressel transport-V04-00-07    501 May   31, 2002  M.Dressel transport-V04-00-07
1059 ---------------------------------------------    502 --------------------------------------------------------
1060 - bug fix in G4PArallelScoreSampler.cc and re    503 - bug fix in G4PArallelScoreSampler.cc and remove Warning from
1061   ParallelTransport.                             504   ParallelTransport.
1062                                                  505 
1063 May   31, 2002  M.Dressel transport-V04-00-06    506 May   31, 2002  M.Dressel transport-V04-00-06
1064 ---------------------------------------------    507 --------------------------------------------------------
1065 - renaming of the Manager classes to Sampler  << 508 - renaming of the Manager classes to Sampler classes 
1066 - substitution of G4ParallelManager inside th    509 - substitution of G4ParallelManager inside the Sampler classes
1067                                                  510 
1068 May   30, 2002  M.Dressel                     << 511 May   30, 2002  M.Dressel 
1069 ---------------------------------------------    512 --------------------------------------------------------
1070 - chamged G4VImportanceScoreConstructor to G4    513 - chamged G4VImportanceScoreConstructor to G4VSampler
1071                                                  514 
1072 May   30, 2002  M.Dressel                     << 515 May   30, 2002  M.Dressel 
1073 ---------------------------------------------    516 --------------------------------------------------------
1074 - all the ImportanceScoreManagers derive form << 517 - all the ImportanceScoreManagers derive form 
1075   G4VImportanceScoreConstructor               << 518   G4VImportanceScoreConstructor 
1076                                                  519 
1077 May   30, 2002  M.Dressel internal-3-transpor    520 May   30, 2002  M.Dressel internal-3-transport-V04-00-05
1078 ---------------------------------------------    521 --------------------------------------------------------
1079 - changes in Importance Manager constructors, << 522 - changes in Importance Manager constructors, G4ImportanceAlgorithm as 
1080   pointer                                        523   pointer
1081                                                  524 
1082 May   29, 2002  M.Dressel internal-2-transpor    525 May   29, 2002  M.Dressel internal-2-transport-V04-00-05
1083 ---------------------------------------------    526 --------------------------------------------------------
1084 - bug fix in G4PImportanceWWindowScoreManager    527 - bug fix in G4PImportanceWWindowScoreManager.cc
1085   and G4ParallelImportanceManager.hh.            528   and G4ParallelImportanceManager.hh.
1086                                                  529 
1087 May   24, 2002  M.Dressel internal-1-transpor    530 May   24, 2002  M.Dressel internal-1-transport-V04-00-05
1088 -------------------------                        531 -------------------------
1089 - Change in G4VProcessPlacer and G4ProcessPla    532 - Change in G4VProcessPlacer and G4ProcessPlacer: add member function
1090   RemoveProcess to properly remove a process.    533   RemoveProcess to properly remove a process.
1091 - Add classes for wieght window biasing.         534 - Add classes for wieght window biasing.
1092                                                  535 
1093                                                  536 
1094 May   02, 2002  M.Dressel                     << 537 May   02, 2002  M.Dressel 
1095 -------------------------                        538 -------------------------
1096 - Change in G4ProcessPlacer: set process vect << 539 - Change in G4ProcessPlacer: set process vector via process manager not 
1097   directly.                                   << 540   directly. 
1098 - Change in G4ParallelTranport: use StartTrac    541 - Change in G4ParallelTranport: use StartTracking to signal inital step.
1099   This should help to locate "suspended" trac    542   This should help to locate "suspended" tracks.
1100                                                  543 
1101 April 24, 2002  G.Cosmo - transport-V04-00-05    544 April 24, 2002  G.Cosmo - transport-V04-00-05
1102 -----------------------                          545 -----------------------
1103 - Added G4DEBUG_TRANSPORT flag in GNUmakefile    546 - Added G4DEBUG_TRANSPORT flag in GNUmakefile and (on suggestionh of
1104   J.Apostolakis) replaced to G4VERBOSE in G4T    547   J.Apostolakis) replaced to G4VERBOSE in G4Transportation::PostStepDoIt()
1105   for extra-check on volume boundary.            548   for extra-check on volume boundary.
1106   Issues addressed by problem report #130 sho    549   Issues addressed by problem report #130 should now be resolved.
1107                                                  550 
1108 April 10, 2002  M.Dressel - transport-V04-00-    551 April 10, 2002  M.Dressel - transport-V04-00-04
1109 -------------------------                        552 -------------------------
1110 - Added comments to headers of transportation    553 - Added comments to headers of transportation classes and managers for
1111   importance biasing, to fullfill Software Re    554   importance biasing, to fullfill Software Reference Manual.
1112                                                  555 
1113 Apr 9, 2002 G.Cosmo                              556 Apr 9, 2002 G.Cosmo
1114 -------------------                              557 -------------------
1115 - Added liability disclaimer to scorer classe    558 - Added liability disclaimer to scorer classes and minor cosmetics.
1116                                                  559 
1117 Apr 8, 2002 M.Dressel - transport-V04-00-03      560 Apr 8, 2002 M.Dressel - transport-V04-00-03
1118 ---------------------                            561 ---------------------
1119 - Resolved compilation problems on HP-aCC.       562 - Resolved compilation problems on HP-aCC.
1120                                                  563 
1121 Apr 4, 2002 M.Dressel - transport-V04-00-02      564 Apr 4, 2002 M.Dressel - transport-V04-00-02
1122 ---------------------                            565 ---------------------
1123 - Cleaned compilation problems for G4std/std.    566 - Cleaned compilation problems for G4std/std.
1124                                                  567 
1125 Apr 4, 2002 M.Dressel - transport-V04-00-01      568 Apr 4, 2002 M.Dressel - transport-V04-00-01
1126 ---------------------                            569 ---------------------
1127 - Resolved compilation problems on SUN-CC and    570 - Resolved compilation problems on SUN-CC and Linux-egcs.
1128                                                  571 
1129 Mar  28, 2002 M.Dressel - transport-V04-00-00    572 Mar  28, 2002 M.Dressel - transport-V04-00-00
1130 -----------------------                          573 -----------------------
1131 - First implementation of transportation clas    574 - First implementation of transportation classes and managers for importance
1132   biasing and scoring. Co-works with "geometr    575   biasing and scoring. Co-works with "geometry-V04-00-01".
1133                                                  576 
1134 Mar  25, 2002 G.Cosmo                            577 Mar  25, 2002 G.Cosmo
1135 ---------------------                            578 ---------------------
1136 - Added dependency to new module geometry/bia    579 - Added dependency to new module geometry/biasing in GNUmakefile.
1137                                                  580 
1138 Dec   8, 2001 J.Apostolakis - transport-V03-0    581 Dec   8, 2001 J.Apostolakis - transport-V03-02-07
1139 ---------------------------                      582 ---------------------------
1140 - Activated the killing of 'looping' particle    583 - Activated the killing of 'looping' particles -- to be used also to
1141   abandon (kill) particles that are stuck (eg    584   abandon (kill) particles that are stuck (eg at boundaries).
1142   [ Fix for problems of stuck particles repor    585   [ Fix for problems of stuck particles reported by CMS (P.Arce),
1143     and Atlas (A.Del'Acqua, A.Rimoldi) ]      << 586     and Atlas (A.Del'Acqua, A.Rimoldi) ] 
1144                                                  587 
1145 Nov  28, 2001 J.Apostolakis - transport-V03-0    588 Nov  28, 2001 J.Apostolakis - transport-V03-02-06
1146 ---------------------------                      589 ---------------------------
1147 - Fix for the new updating of the time for fi << 590 - Fix for the new updating of the time for fields -- correcting previous 
1148   tag.  By keeping account whether the field  << 591   tag.  By keeping account whether the field changes the energy (and 
1149   therefore the velocity) in the field manage    592   therefore the velocity) in the field manager.
1150                                                  593 
1151   Requires and co-works with                     594   Requires and co-works with
1152    - "field-V03-02-07"                        << 595    - "field-V03-02-07" 
1153    - "geomvol-V03-02-02"                         596    - "geomvol-V03-02-02"
1154   in order to compile (let alone have any eff    597   in order to compile (let alone have any effect.)
1155                                                  598 
1156 Nov  10, 2001 J.Apostolakis - transport-V03-0    599 Nov  10, 2001 J.Apostolakis - transport-V03-02-05
1157 ---------------------------                      600 ---------------------------
1158 - Motivated by the use case of an Electric Fi    601 - Motivated by the use case of an Electric Field,
1159    * in order to achieve reasonable accuracy     602    * in order to achieve reasonable accuracy in time integration,
1160    * and to enable fields that vary with the     603    * and to enable fields that vary with the global time
1161   changed Transportation to try to obtain the    604   changed Transportation to try to obtain the delta_time from FieldTrack.
1162   Co-works with and requires "field-V03-02-03    605   Co-works with and requires "field-V03-02-03" to have any effect.
1163                                                  606 
1164 Nov   9, 2001   G. Cosmo - transport-V03-02-0    607 Nov   9, 2001   G. Cosmo - transport-V03-02-04
1165 ------------------------                         608 ------------------------
1166 - Fix in G4Transportation.cc for initialisati    609 - Fix in G4Transportation.cc for initialisation of touchable handle.
1167                                                  610 
1168 Nov   8, 2001   G. Cosmo - transport-V03-02-0    611 Nov   8, 2001   G. Cosmo - transport-V03-02-03
1169 ------------------------                         612 ------------------------
1170 - Introduced changes to G4Transportation for     613 - Introduced changes to G4Transportation for reference-counted
1171   touchables (R.Chytracek). Added methods Get    614   touchables (R.Chytracek). Added methods GetFreeTouchable() and
1172   SetTheOtherTouchableFree(G4VTouchable*).       615   SetTheOtherTouchableFree(G4VTouchable*).
1173                                                  616 
1174 Nov   6, 2001   J. Apostolakis - transport-V0    617 Nov   6, 2001   J. Apostolakis - transport-V03-02-02
1175 ------------------------------                   618 ------------------------------
1176 - Added protection in G4Transportation::Along    619 - Added protection in G4Transportation::AlongStepGPIL for messaging
1177   "ResestStepEstimate" of ChordFinder for the    620   "ResestStepEstimate" of ChordFinder for the case there is no global field.
1178   ** NOTE this is not a perfect resolution (s    621   ** NOTE this is not a perfect resolution (see NOTE in log file). **
1179   --> Thanks to Radovan Chytracek for reporti    622   --> Thanks to Radovan Chytracek for reporting this problem (move to file log)
1180                                                  623 
1181 Aug  16, 2001   J. Apostolakis - transport-V0    624 Aug  16, 2001   J. Apostolakis - transport-V03-02-01
1182 ------------------------------                   625 ------------------------------
1183 - Tagged. (This tag requires field-V03-02-00)    626 - Tagged. (This tag requires field-V03-02-00)
1184                                                  627 
1185 Aug  16, 2001   J. Apostolakis                   628 Aug  16, 2001   J. Apostolakis
1186 ------------------------------                   629 ------------------------------
1187 - Erasing state information from previous tra    630 - Erasing state information from previous track at the first step of
1188   each track.  (-> this is required to ensure    631   each track.  (-> this is required to ensure repeatability)
1189   This should eliminate any non-repeatability    632   This should eliminate any non-repeatability due to the propagation
1190   in field.                                      633   in field.
1191   ( Requires updated version of G4ChordFinder    634   ( Requires updated version of G4ChordFinder )
1192                                                  635 
1193 Jul  19, 2001   G. Cosmo  transport-V03-02-00    636 Jul  19, 2001   G. Cosmo  transport-V03-02-00
1194 ------------------------                         637 ------------------------
1195 - Synchronised with CVS HEAD after introducti    638 - Synchronised with CVS HEAD after introduction of warrenty disclaimer.
1196 - Modified author list in G4Transportation (P    639 - Modified author list in G4Transportation (P.Gumplinger).
1197                                                  640 
1198 Apr  11, 2001   J. Apostolakis   transport-V0    641 Apr  11, 2001   J. Apostolakis   transport-V03-01-02
1199 ------------------------------                   642 ------------------------------
1200 - Corrected the last update of G4Transportati << 643 - Corrected the last update of G4Transportation.cc, which overwrote the 
1201   value of the spin in the cases where a part    644   value of the spin in the cases where a particle was not charged (eg photon)
1202   or a charged particle was not in a field.   << 645   or a charged particle was not in a field. 
1203                                                  646 
1204 Apr  11, 2001   P. Gumplinger   transport-V03    647 Apr  11, 2001   P. Gumplinger   transport-V03-01-01
1205 -----------------------------                    648 -----------------------------
1206 - Updated G4Transportation.cc to make spin tr    649 - Updated G4Transportation.cc to make spin tracking work correctly:
1207   o Replaced the line originally commented ou    650   o Replaced the line originally commented out:
1208       // fTransportEndPolarization= aFieldTra    651       // fTransportEndPolarization= aFieldTrack.GetSpin() ; // Not yet possible
1209     with:                                     << 652     with: 
1210       fTransportEndSpin = aFieldTrack.GetSpin    653       fTransportEndSpin = aFieldTrack.GetSpin();
1211   o Added to the AlongStepDoIt() the followin    654   o Added to the AlongStepDoIt() the following call:
1212       fParticleChange.SetPolarizationChange(f    655       fParticleChange.SetPolarizationChange(fTransportEndSpin);
1213                                                  656 
1214 Mar  19, 2001   J. Apostolakis  transport-V03    657 Mar  19, 2001   J. Apostolakis  transport-V03-00-01
1215 ------------------------------                   658 ------------------------------
1216 - G4Transportation modified to use new FieldT    659 - G4Transportation modified to use new FieldTrack, and get Kinetic
1217   Energy from it.                             << 660   Energy from it. 
1218   This new FieldTrack together with changes i    661   This new FieldTrack together with changes in associated Equation of Motion
1219   classes implement the momentum vector as in    662   classes implement the momentum vector as independent variable in place of
1220   the velocity.                               << 663   the velocity. 
1221   So this tag requires                        << 664   So this tag requires 
1222   - new geometry/magneticfield tag "field-V03 << 665   - new geometry/magneticfield tag "field-V03-00-01",  and 
1223   - new geometry/volumes  tag "geomvol-V03-00    666   - new geometry/volumes  tag "geomvol-V03-00-03" for new
1224     G4PropagatorInField ().                      667     G4PropagatorInField ().
1225                                                  668 
1226 Feb  27, 2001   J. Apostolakis  (transport-V0    669 Feb  27, 2001   J. Apostolakis  (transport-V03-00-00)
1227 ------------------------------                   670 ------------------------------
1228 - G4Transportation.cc:                           671 - G4Transportation.cc:
1229   *   Modified calculation of energy at the e    672   *   Modified calculation of energy at the end of field step
1230        to make it more accurate at low veloci    673        to make it more accurate at low velocities,
1231        (while remaining correct at high gamma << 674        (while remaining correct at high gammas). 
1232   This improves the energy determination.     << 675   This improves the energy determination. 
1233   Together with electromagnetic/standard tag     676   Together with electromagnetic/standard tag  "stand-V03-00-03"
1234   this addresses the main problem in propagat    677   this addresses the main problem in propagating in an electric field
1235   (Problem report # 108 )                        678   (Problem report # 108 )
1236                                                  679 
1237 Sep  22, 2000   V. Grichine (transport-V02-00    680 Sep  22, 2000   V. Grichine (transport-V02-00-00)  [recorded by G.Cosmo]
1238 ---------------------------                      681 ---------------------------
1239 - G4Transportation.cc:                           682 - G4Transportation.cc:
1240   o added formula for Tkin corresponding dire    683   o added formula for Tkin corresponding directly to
1241     relativistic definition of Tkin = Etot -     684     relativistic definition of Tkin = Etot - mc^2 = mc^2(gamma -1),
1242     where gamma is a particle Lorentz factor.    685     where gamma is a particle Lorentz factor.
1243   o general cosmetics.                           686   o general cosmetics.
1244                                                  687 
1245 Jun  19, 2000   J. Apostolakis  (transport-V0    688 Jun  19, 2000   J. Apostolakis  (transport-V01-01-02)
1246 ------------------------------                   689 ------------------------------
1247 - G4Transportation.cc: Set the True Step Leng    690 - G4Transportation.cc: Set the True Step Length in G4Transportation.cc
1248 - Cosmetic:  updated other files to the head,    691 - Cosmetic:  updated other files to the head, as there were no differences
1249   from it (CVS headers).                         692   from it (CVS headers).
1250                                                  693 
1251 May  15, 2000   J. Apostolakis  (transport-V0    694 May  15, 2000   J. Apostolakis  (transport-V01-01-01)
1252 ------------------------------                   695 ------------------------------
1253 - G4Transportation.cc:  Set the material in m    696 - G4Transportation.cc:  Set the material in materialChange, in order to get
1254   correct behaviour for volumes that paramete    697   correct behaviour for volumes that parameterise the material.
1255   (Fix is dependant on changes to particleCha    698   (Fix is dependant on changes to particleChangeForTransport and StepPoint)
1256 - Modified setting of touchable change, in or    699 - Modified setting of touchable change, in order to preserve const-ness where
1257   it exists.                                     700   it exists.
1258                                                  701 
1259 Nov  25, 1999   J. Apostolakis  (transport-V0    702 Nov  25, 1999   J. Apostolakis  (transport-V00-01-01)
1260 ------------------------------                   703 ------------------------------
1261 - G4Transportation.cc: Added protection for t    704 - G4Transportation.cc: Added protection for the case of a zero step (when
1262   there is a field)                              705   there is a field)
1263 - G4UserSpecialCuts: protection to use min ra    706 - G4UserSpecialCuts: protection to use min range and min kinE only for
1264   charged particles.                             707   charged particles.
1265                                                  708 
1266 June  9, 1999   J. Apostolakis  (transport-01    709 June  9, 1999   J. Apostolakis  (transport-01-00-02)
1267 ------------------------------                   710 ------------------------------
1268 - Added a protection so that full relocation     711 - Added a protection so that full relocation is not used for very small moves.
1269                                                  712 
1270 Dec   4, 1998   J. Apostolakis  (transport-00    713 Dec   4, 1998   J. Apostolakis  (transport-00-04-01)
1271 ------------------------------                   714 ------------------------------
1272 - The Velocity Vector for Transport in a magn    715 - The Velocity Vector for Transport in a magnetic field is now set correctly.
1273   (previously the scalar velocity was automat    716   (previously the scalar velocity was automatically promoted to a 3-vector)
1274                                                  717 
1275 Nov  25, 1998  J. Apostolakis                 << 718 Nov  25, 1998  J. Apostolakis   
1276 -----------------------------                    719 -----------------------------
1277 - Added the direction to  LocateGlobalPointAn    720 - Added the direction to  LocateGlobalPointAndUpdateTouchable.
1278                                                  721 
1279 Nov  19, 1998   J. Apostolakis  (transport-00    722 Nov  19, 1998   J. Apostolakis  (transport-00-03-04)
1280 ------------------------------                   723 ------------------------------
1281 - Fixes:                                         724 - Fixes:
1282   1) The final energy is set equal to the ini    725   1) The final energy is set equal to the initial energy, because
1283      the PropagatorInField does not calculate    726      the PropagatorInField does not calculate it correctly yet.  NEEDS Fix
1284   2) If the requested step size is zero and s    727   2) If the requested step size is zero and safety is zero,  the
1285      step is now considered geometry limited.    728      step is now considered geometry limited.  (This can happen
1286      if a discrete process tries to take a  s    729      if a discrete process tries to take a  step that is very small
1287      compared to the mean free path.)  Proble    730      compared to the mean free path.)  Problem observed by Laszlo in EM tests.
1288   3) PostStepGetInteractionLength now returns    731   3) PostStepGetInteractionLength now returns DBL_MAX, not kInfinity.
1289                                                  732 
1290 Nov  11, 1998   J. Apostolakis  (transport-00    733 Nov  11, 1998   J. Apostolakis  (transport-00-03-03)
1291 ------------------------------                   734 ------------------------------
1292 - Changes to accomodate new interface of Fiel << 735 - Changes to accomodate new interface of Field: 
1293   G4PropagatorInField and G4FieldTrack.          736   G4PropagatorInField and G4FieldTrack.
1294                                                  737 
1295 Oct  30, 1998  J. Apostolakis   (transport-00    738 Oct  30, 1998  J. Apostolakis   (transport-00-03-02)
1296 -----------------------------                    739 -----------------------------
1297 - In the case of magnetic field, a flag that     740 - In the case of magnetic field, a flag that determines whether the
1298   geometry limited the step was not set.         741   geometry limited the step was not set.
1299                                                  742 
1300 Sep  16, 1998  J. Apostolakis   (transport-00    743 Sep  16, 1998  J. Apostolakis   (transport-00-03-01)
1301 -----------------------------                    744 -----------------------------
1302 - Checks whether the particle is out of the w    745 - Checks whether the particle is out of the world volume,
1303   if so it has exited and must be killed.        746   if so it has exited and must be killed.
1304                                                  747 
1305 Aug  28, 1998  J. Apostolakis                 << 748 Aug  28, 1998  J. Apostolakis 
1306 -----------------------------                    749 -----------------------------
1307 - The PostStepGetPhysicalInteractionLength ha    750 - The PostStepGetPhysicalInteractionLength has fixed (to return kInf)
1308   The boolean flags for touchables are now in    751   The boolean flags for touchables are now initialised. & Other small fixes ?
1309   Test code for non-relocating case added (fo    752   Test code for non-relocating case added (for debugging).
1310                                                  753 
1311 June 08, 1998   J. Apostolakis  (trans-06-04)    754 June 08, 1998   J. Apostolakis  (trans-06-04)
1312 ------------------------------                   755 ------------------------------
1313 - Corrected Safety computation for the case o    756 - Corrected Safety computation for the case of the field (adding endpoint
1314   distance instead of curve length.)          << 757   distance instead of curve length.) 
1315 - Added PostStepDoIt method that tries to rel    758 - Added PostStepDoIt method that tries to relocate the particle using
1316   G4ParticleChangeForTransport                   759   G4ParticleChangeForTransport
1317 - Transportation is no longer a G4ContinuousP << 760 - Transportation is no longer a G4ContinuousProcess. 
1318                                                  761 
1319 June 08, 1998   J. Apostolakis  (trans-06-03)    762 June 08, 1998   J. Apostolakis  (trans-06-03)
1320 ------------------------------                   763 ------------------------------
1321 - Modified it to recomputate Safety at the st    764 - Modified it to recomputate Safety at the start of a step.  To do this
1322   it uses the previous step's  calculated saf    765   it uses the previous step's  calculated safety and endpoint.
1323                                                  766 
1324 June 08, 1998   J. Apostolakis  (trans-06-02)    767 June 08, 1998   J. Apostolakis  (trans-06-02)
1325 ------------------------------                   768 ------------------------------
1326 - Modified it to add re-computation of Safety    769 - Modified it to add re-computation of Safety at the endpoint of a step,
1327   when the safety would become negative.  Thi    770   when the safety would become negative.  This is done to allow processes
1328   to benefit from a realistic (geometrical) v    771   to benefit from a realistic (geometrical) value of the safety.  The
1329   request to do this was from EM physics         772   request to do this was from EM physics
1330                                                  773 
1331 June 03, 1998   J. Apostolakis  (trans-06-01)    774 June 03, 1998   J. Apostolakis  (trans-06-01)
1332 ------------------------------                   775 ------------------------------
1333 - The safety we is now generalised to mean th    776 - The safety we is now generalised to mean the limit of assumption of all
1334   processes. The AlongStepGPIL input value is    777   processes. The AlongStepGPIL input value is not the remainder from the
1335   previous step's geometrical safety.            778   previous step's geometrical safety.
1336   So the transportation must recalculate the     779   So the transportation must recalculate the starting point's safety here.
1337   As a zeroeth order approximation we set it     780   As a zeroeth order approximation we set it to zero.
1338                                                  781 
1339 April 17, 1998  M. Maire      [recorded by Jo    782 April 17, 1998  M. Maire      [recorded by John Apostolakis]
1340 ------------------------                         783 ------------------------
1341 - A new process, G4UserSpecialCuts, was added    784 - A new process, G4UserSpecialCuts, was added to allow the
1342   user an alternative method to set some user    785   user an alternative method to set some user cuts.
1343                                                  786 
1344 April 15, 1998  H. Kurasige   [recorded by Jo    787 April 15, 1998  H. Kurasige   [recorded by John Apostolakis]
1345 ---------------------------                      788 ---------------------------
1346 - The transportation does the absolute minimu << 789 - The transportation does the absolute minimum required to conform to 
1347   the new scheme for ParticleChange: G4VParti << 790   the new scheme for ParticleChange: G4VParticleChange is used in signature. 
1348   [ But default G4ParticleChange is still use << 791   [ But default G4ParticleChange is still used ]. 
1349                                                  792 
1350 April 14, 1998  John Apostolakis                 793 April 14, 1998  John Apostolakis
1351 --------------------------------                 794 --------------------------------
1352 - History file Created                           795 - History file Created