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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 10.0.p3)


  1 # Category transport History                   <<   1 $Id: History 81893 2014-06-06 13:30:07Z gcosmo $
                                                   >>   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 May   27st 2014, V.Ivanchenko transport-V09-06-08
 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 ------------------------------                 << 
218 - New class G4TransportationLogger to consolid << 
219   Transportation processes. First step: it now << 
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                                                << 
226 June  8th  2018, J.Apostolakis transport-V10-0 << 
227 ------------------------------                 << 
228 - Fixed and improved reporting of looping trac << 
229   Now issues warning and provides information  << 
230   in addition to energy and its value at pre-s << 
231                                                << 
232 June  8th  2018, G.Cosmo transport-V10-04-01   << 
233 ------------------------                       << 
234 - Some code cleanup in G4Transportation and G4 << 
235   Removed few global static symbols introduced << 
236                                                << 
237 June  7th 2018, J.Apostolakis transport-V10-04 << 
238 -----------------------------                  << 
239 - G4Transportation & G4CoupledTransportation:  << 
240   thresholds related to the killing of looping << 
241      'Important' Energy: particles with MORE e << 
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 ------------------------------                     21 ------------------------------
337 - G4UserSpecialCuts - fixed trivial Coverity r     22 - G4UserSpecialCuts - fixed trivial Coverity report
338                                                    23 
339 May   21st 2014, J.Apostolakis transport-V10-0 <<  24 May   21st 2014, J.Apostolakis
340 ------------------------------                     25 ------------------------------
341 - Revised  AlongStepDoIt methods of G4Transpor <<  26 - Revised  AlongStepDoIt methods of G4Transportation and 
342    G4CoupledTransportation:                        27    G4CoupledTransportation:
343    * Adapted to revised signature for G4FieldT <<  28    * Adapted to revised signature for G4FieldTrack constructors, 
344      which now take PDG spin.                      29      which now take PDG spin.
345    * Changed to use different constructor for      30    * Changed to use different constructor for G4FieldTrack (no Velocity)
346    * Adapted to revised signature of G4ChargeS     31    * Adapted to revised signature of G4ChargeState constructor (PDG spin is
347      now 3rd argument and mandatory. )             32      now 3rd argument and mandatory. )
348                                                    33 
349 NOTE: Requires tag field-V10-00-03 of geometry <<  34 NOTE: Requires tag field-V10-00-03 of geometry/magneticfield 
350                                                    35 
351                                                    36 
352 March 14th 2014, J.Apostolakis transport-V10-0 <<  37 March 14th 2014, J.Apostolakis
353 ------------------------------                     38 ------------------------------
354 - Fix time in case of zero step, in G4CoupledT     39 - Fix time in case of zero step, in G4CoupledTransportation.
355   This caused a 'going back in time' error, wh     40   This caused a 'going back in time' error, when a zero step occurred
356   in particular at the boundary of a parallel      41   in particular at the boundary of a parallel world volume when scoring.
357                                                    42 
358   > Corrects Issue 1017 in the Geant4 Problem      43   > Corrects Issue 1017 in the Geant4 Problem reporting System
359     http://bugzilla-geant4.kek.jp/show_bug.cgi     44     http://bugzilla-geant4.kek.jp/show_bug.cgi?id=1017
360                                                    45 
361   NOTE: Requires tag geomnav-V10-00-01             46   NOTE: Requires tag geomnav-V10-00-01
362                                                    47 
363 October 18th 2013, J.Apostolakis transport-V09     48 October 18th 2013, J.Apostolakis transport-V09-06-07
364 --------------------------------                   49 --------------------------------
365 - Initialize missing data members in G4Coupled <<  50 - Initialize missing data members in G4CoupledTransportation constructor 
366   Addresses issue identified by Coverity.          51   Addresses issue identified by Coverity.
367                                                    52 
368 May 13th, 2013, G.Cosmo          transport-V09     53 May 13th, 2013, G.Cosmo          transport-V09-06-06
369 -----------------------                            54 -----------------------
370 - Removed left-over assert() calls in G4Couple     55 - Removed left-over assert() calls in G4CoupledTransportation.
371                                                    56 
372 May 9th, 2013, J.Apostolakis     transport-V09     57 May 9th, 2013, J.Apostolakis     transport-V09-06-05
373 ----------------------------                       58 ----------------------------
374 - Added protection to revised G4CoupledTranspo     59 - Added protection to revised G4CoupledTransportation for case that chord
375   finder (or field manager) is not defined.        60   finder (or field manager) is not defined.
376                                                    61 
377 May 8th, 2013, P.Gumplinger, J.Apostolakis tra     62 May 8th, 2013, P.Gumplinger, J.Apostolakis transport-V09-06-04
378 ------------------------------------------         63 ------------------------------------------
379 - Adapted G4Transportation and G4CoupledTransp     64 - Adapted G4Transportation and G4CoupledTransportation to use G4ChargeState
380   for charge/spin/magnetic moment, and to mess     65   for charge/spin/magnetic moment, and to message the equation of motion
381   directly with it.                                66   directly with it.
382   The tag(s) above co-work with and requires t     67   The tag(s) above co-work with and requires the following tags:
383   had-binary-V09-06-05, geomnav-V09-06-06 and      68   had-binary-V09-06-05, geomnav-V09-06-06 and field-V09-06-04.
384                                                    69 
385 Mar. 22nd, 2013, G. Cosmo transport-V09-06-03      70 Mar. 22nd, 2013, G. Cosmo transport-V09-06-03
386 -------------------------                          71 -------------------------
387 - Removed unnecessary static local variables i     72 - Removed unnecessary static local variables in G4Transportation and
388   G4CoupledTransportation.                         73   G4CoupledTransportation.
389                                                    74 
390 Mar. 21st, 2013, A. Dotti transport-V09-06-02      75 Mar. 21st, 2013, A. Dotti transport-V09-06-02
391 -------------------------                          76 -------------------------
392 - Correcting initialisation of thread-local po     77 - Correcting initialisation of thread-local pointers in G4Transportation
393   and G4CoupledTransportation for MT.              78   and G4CoupledTransportation for MT.
394                                                    79 
395 Feb. 26th, 2013, G.Cosmo transport-V09-06-01       80 Feb. 26th, 2013, G.Cosmo transport-V09-06-01
396 ------------------------                           81 ------------------------
397 - Removed unused data members in G4Transportat     82 - Removed unused data members in G4Transportation and G4CoupledTransportation.
398   Some code cleanup.                               83   Some code cleanup.
399                                                    84 
400 Feb. 6th, 2013, G.Cosmo transport-V09-06-00        85 Feb. 6th, 2013, G.Cosmo transport-V09-06-00
401 -----------------------                            86 -----------------------
402 - G4Transportation.cc, G4CoupledTransportation <<  87 - G4Transportation.cc, G4CoupledTransportation.cc: 
403     Corrected condition for warning message in     88     Corrected condition for warning message in AlongStepDoIt().
404     Code cleanup on MT changes.                    89     Code cleanup on MT changes.
405                                                    90 
406 Jan. 15th, 2013, A.Dotti                           91 Jan. 15th, 2013, A.Dotti
407 ------------------------                           92 ------------------------
408 - Merged changes for multi-threading through a     93 - Merged changes for multi-threading through automatic process.
409   Modified files: G4Transportation.cc and G4Co     94   Modified files: G4Transportation.cc and G4CoupledTransportation.cc.
410                                                    95 
411 Jul. 12th, 2011, J.Apostolakis transport-V09-0     96 Jul. 12th, 2011, J.Apostolakis transport-V09-05-02
412 ------------------------------                     97 ------------------------------
413 - G4Transportation.cc:                         <<  98 - G4Transportation.cc: 
414     Corrected issues with initialisation of da <<  99     Corrected issues with initilisation of data members reported by Coverity.
415     Renamed data member endpointdistance to fE    100     Renamed data member endpointdistance to fEndPointDistance (to conform).
416                                                   101 
417 Jul. 5th, 2012 Gabriele Cosmo transport-V09-05    102 Jul. 5th, 2012 Gabriele Cosmo transport-V09-05-01
418 -----------------------------                     103 -----------------------------
419 - Explicitly use inclusion of headers for syst    104 - Explicitly use inclusion of headers for system of units and physical
420   constants, in plan to remove implicit inclus    105   constants, in plan to remove implicit inclusion from globals.hh.
421                                                   106 
422 Jun. 7th, 2012 Gabriele Cosmo transport-V09-05    107 Jun. 7th, 2012 Gabriele Cosmo transport-V09-05-00
423 -----------------------------                     108 -----------------------------
424 - Fixed spurious cases of hidden variable visi    109 - Fixed spurious cases of hidden variable visibility, detected with
425   '-Wshadow' compilation option on gcc compile    110   '-Wshadow' compilation option on gcc compiler.
426                                                   111 
427 Nov. 4th, 2011, J.Apostolakis transport-V09-04    112 Nov. 4th, 2011, J.Apostolakis transport-V09-04-13
428 -----------------------------                     113 -----------------------------
429 - Turned off tracking for magnetic moment - by    114 - Turned off tracking for magnetic moment - by default.
430   It can be enabled in                         << 115   It can be enabled in 
431     G4Transportation, G4CoupledTransportation  << 116     G4Transportation, G4CoupledTransportation 
432   by using the new method EnableUseMagneticMom    117   by using the new method EnableUseMagneticMoment().
433   Should ensure particles with a moment are no    118   Should ensure particles with a moment are not affected
434   unless user needs this.                         119   unless user needs this.
435                                                   120 
436 Nov. 4th, 2011, J.Apostolakis transport-V09-04    121 Nov. 4th, 2011, J.Apostolakis transport-V09-04-12
437 -----------------------------                     122 -----------------------------
438 * Reduce overhead of the addition of Gravity      123 * Reduce overhead of the addition of Gravity
439 - G4Transportation: Revised condition for grav    124 - G4Transportation: Revised condition for gravity field (version 1).
440   G4CoupledTransportation: Revised the field-d << 125   G4CoupledTransportation: Revised the field-detection condition, 
441    with improved logic to cope with ConfigureF    126    with improved logic to cope with ConfigureForTrack (for any field) (v2).
442   Deleted dependence on G4UniformGravityField     127   Deleted dependence on G4UniformGravityField in both.
443   Tag coworks with field-V09-04-05                128   Tag coworks with field-V09-04-05
444                                                   129 
445 Nov. 1st, 2011, P.Gumplinger transport-V09-04-    130 Nov. 1st, 2011, P.Gumplinger transport-V09-04-11
446 -----------------------------                     131 -----------------------------
447 - add condition to the condition, gravity != N    132 - add condition to the condition, gravity != NULL, that the particle's mass is
448   also restMass != 0.0. Modify G4CoupledTransp    133   also restMass != 0.0. Modify G4CoupledTransportation.cc according to
449   G4Transportation.cc                             134   G4Transportation.cc
450                                                   135 
451 Oct. 28th, 2011, P.Gumplinger transport-V09-04    136 Oct. 28th, 2011, P.Gumplinger transport-V09-04-10
452 -----------------------------                     137 -----------------------------
453 - allow for spin tracking of neutral particles    138 - allow for spin tracking of neutral particles with a magn. moment;
454   allow for uniform gravity field tracking of     139   allow for uniform gravity field tracking of neutral particles;
455   tag coworks with field-V09-04-03.               140   tag coworks with field-V09-04-03.
456                                                   141 
457 Oct. 28th, 2011, P.Gumplinger transport-V09-04    142 Oct. 28th, 2011, P.Gumplinger transport-V09-04-09
458 -----------------------------                     143 -----------------------------
459 - remove all special reverence and logic regar    144 - remove all special reverence and logic regarding "opticalphoton" from code
460   in G4Transportation.cc and G4CoupledTranspor    145   in G4Transportation.cc and G4CoupledTransportation.cc
461                                                   146 
462 Aug. 8th, 2011, H.Kurashige  transport-V09-04-    147 Aug. 8th, 2011, H.Kurashige  transport-V09-04-08
463 ---------------------------                       148 ---------------------------
464 - Modify calculation of deltaTime for optical     149 - Modify calculation of deltaTime for optical photon in Transportation (and CoupledTransportation)
465   Use the updated velocity obtained from G4Tra    150   Use the updated velocity obtained from G4Track::CalculateVelocityForOpticalPhoton
466   instead of the initial velocity of the step. << 151   instead of the initial velocity of the step.  
467   (see problem #1239)                             152   (see problem #1239)
468   [ This is because the velocity at the initia << 153   [ This is because the velocity at the initial point can refer to 
469   a previous volume.  If the PreStepPoint was  << 154   a previous volume.  If the PreStepPoint was on a surface, we 
470   the previous step was in another volume, whi << 155   the previous step was in another volume, which shared this 
471   PreStepPoint --> and its velocity would be w    156   PreStepPoint --> and its velocity would be wrong. ]
472                                                   157 
473 July 6th, 2011, H.Kurashige  transport-V09-04-    158 July 6th, 2011, H.Kurashige  transport-V09-04-07
474 ---------------------------                       159 ---------------------------
475 - Modify G4Transportation (and CoupledTtanspor    160 - Modify G4Transportation (and CoupledTtansportation)
476   to propose the final local time rather than     161   to propose the final local time rather than the global time
477   so that local time can be updated properly.     162   so that local time can be updated properly.
478   (see problem #1224)                          << 163   (see problem #1224)  
479   [ This adapts to the recent change in Tracki    164   [ This adapts to the recent change in Tracking, which made
480   the change of LocalTime trigger the change o << 165   the change of LocalTime trigger the change of Global Time 
481   (instead of vice-versa). ]                   << 166   (instead of vice-versa). ] 
482                                                << 167  
483 June 10th, 2011, J.Apostolakis  transport-V09-    168 June 10th, 2011, J.Apostolakis  transport-V09-04-06
484 ------------------------------                    169 ------------------------------
485 - Fix for invalid safety passed to SafetyHelpe    170 - Fix for invalid safety passed to SafetyHelper.
486                                                   171 
487 June 10th, 2011, J.Apostolakis  transport-V09-    172 June 10th, 2011, J.Apostolakis  transport-V09-04-05
488 ------------------------------                    173 ------------------------------
489 - Fix G4Transportation::AlongStepDoIt             174 - Fix G4Transportation::AlongStepDoIt
490   Use only initial velocity to update time. An    175   Use only initial velocity to update time. An estimate of velocity
491   at endpoint is not yet available. (finalVelo    176   at endpoint is not yet available. (finalVelocity still= initial)
492     ==> It will be updated later in the tracki    177     ==> It will be updated later in the tracking sequence, when
493         energy loss is applied, and it will be << 178         energy loss is applied, and it will be available to 
494   Transportation only in the PostStepDoIt()       179   Transportation only in the PostStepDoIt()
495                                                   180 
496 May 26th, 2011, H.Kurashige  transport-V09-04-    181 May 26th, 2011, H.Kurashige  transport-V09-04-04
497 ---------------------------                       182 ---------------------------
498 - Define ProcessSubType for processes under tr    183 - Define ProcessSubType for processes under transportation category
499 - Change process type of G4NeutronBuilder to f    184 - Change process type of G4NeutronBuilder to fGeneral
500                                                   185 
501 January 26th, 2011, G.Cosmo  transport-V09-04-    186 January 26th, 2011, G.Cosmo  transport-V09-04-03
502 ---------------------------                       187 ---------------------------
503 - Simplified implementation of G4CoupledTransp    188 - Simplified implementation of G4CoupledTransportation::EndTracking(), to
504   avoid unnecessary static pointer definition.    189   avoid unnecessary static pointer definition.
505                                                   190 
506 January 21th, 2011, V.Ivanchenko  transport-V0    191 January 21th, 2011, V.Ivanchenko  transport-V09-04-02
507 --------------------------------                  192 --------------------------------
508 - G4UserSpecialCuts - fixed compilation proble    193 - G4UserSpecialCuts - fixed compilation problem
509                                                   194 
510 January 21th, 2011, V.Ivanchenko  transport-V0    195 January 21th, 2011, V.Ivanchenko  transport-V09-04-01
511 --------------------------------                  196 --------------------------------
512 - G4UserSpecialCuts: fixed bug in energy track << 197 - G4UserSpecialCuts: fixed bug in energy tracking cut; changed order 
513   of checks: 1st energy tracking cut, 2nd trac << 198   of checks: 1st energy tracking cut, 2nd track length, 3d time cut, 
514   4th range for charged particles with non-zer    199   4th range for charged particles with non-zero mass; removed unnecessary
515   string comparisons.                             200   string comparisons.
516                                                   201 
517 January 4th, 2011, M.Asai  transport-V09-04-00    202 January 4th, 2011, M.Asai  transport-V09-04-00
518 -------------------------                         203 -------------------------
519 - G4CoupledTransportation: added EndTracking()    204 - G4CoupledTransportation: added EndTracking() method to reset the
520   activated navigator list.                       205   activated navigator list.
521                                                   206 
522 September 13th, 2010, J.Apostolakis  transport    207 September 13th, 2010, J.Apostolakis  transport-V09-03-01
523 -----------------------------------               208 -----------------------------------
524 - Improvement to G4Transportation: copy curren    209 - Improvement to G4Transportation: copy current safety to SafetyHelper each
525   time it is computed (it used to be copied on    210   time it is computed (it used to be copied only when it was recalculated at
526   end of step).                                   211   end of step).
527                                                   212 
528 September 13th, 2010, J.Apostolakis  transport    213 September 13th, 2010, J.Apostolakis  transport-V09-03-00
529 ----------------------------------                214 ----------------------------------
530 - Retagged - to propose for testing.              215 - Retagged - to propose for testing.
531                                                   216 
532 November 17th, 2009, J.Apostolakis  transport-    217 November 17th, 2009, J.Apostolakis  transport-V09-02-00
533 ----------------------------------                218 ----------------------------------
534 - G4Transportation:                               219 - G4Transportation:
535   o Fix: Update the Step flag which identifies    220   o Fix: Update the Step flag which identifies the Last Step in a volume
536      It is now done for the linear steps (no c    221      It is now done for the linear steps (no charge or no field)
537                                                   222 
538 November 26th, 2008, J.Apostolakis  transport-    223 November 26th, 2008, J.Apostolakis  transport-V09-01-03
539 ----------------------------------                224 ----------------------------------
540 - G4CoupledTransportation:                        225 - G4CoupledTransportation:
541   o Fix: initialise new data member (in constr    226   o Fix: initialise new data member (in constructor) - found by STT
542                                                   227 
543 November 21st, 2008, J.Apostolakis  transport-    228 November 21st, 2008, J.Apostolakis  transport-V09-01-02
544 ----------------------------------                229 ----------------------------------
545 - G4Transportation & G4CoupledTransportation:     230 - G4Transportation & G4CoupledTransportation:
546   o Performance improvement/correction            231   o Performance improvement/correction
547      Avoid to compute safety at end of step fo    232      Avoid to compute safety at end of step for neutral particles
548                                                   233 
549 November 21st, 2008, J.Apostolakis  transport-    234 November 21st, 2008, J.Apostolakis  transport-V09-01-01
550 ----------------------------------                235 ----------------------------------
551                                                   236 
552 - G4Transportation & G4CoupledTransportation:     237 - G4Transportation & G4CoupledTransportation:
553   o Push value & origin of safety to SafetyHel    238   o Push value & origin of safety to SafetyHelper
554      only when its value comes from ComputeSaf    239      only when its value comes from ComputeSafety
555                                                   240 
556 January 17th, 2008, J.Apostolakis  transport-V    241 January 17th, 2008, J.Apostolakis  transport-V09-01-00
557 ---------------------------------                 242 ---------------------------------
558 - G4Transportation & G4CoupledTransportation:     243 - G4Transportation & G4CoupledTransportation:
559   o Clear state of all Chord Finders using G4F    244   o Clear state of all Chord Finders using G4FieldManagerStore.
560 - Syncronised with files on the HEAD.             245 - Syncronised with files on the HEAD.
561 - Requires co-working tag "field-V09-01-00" (o    246 - Requires co-working tag "field-V09-01-00" (or "field-V09-00-03").
562   Functionality corresponding to tag "transpor    247   Functionality corresponding to tag "transport-V09-00-52".
563                                                   248 
564 November 27th, 2007, J.Apostolakis  transport-    249 November 27th, 2007, J.Apostolakis  transport-V09-00-08
565 ----------------------------------                250 ----------------------------------
566 - G4CoupledTransportation                         251 - G4CoupledTransportation
567   o Added updating of particle-looping flag (w    252   o Added updating of particle-looping flag (was commented out.).
568                                                   253 
569 November 10th, 2007, J.Apostolakis  transport-    254 November 10th, 2007, J.Apostolakis  transport-V09-00-07
570 ----------------------------------                255 ----------------------------------
571 - G4Transportation:                               256 - G4Transportation:
572   o Put back the default for short step optimi    257   o Put back the default for short step optimisation to 'on'.
573                                                   258 
574 November 9th, 2007, J.Apostolakis  transport-V    259 November 9th, 2007, J.Apostolakis  transport-V09-00-06
575 ---------------------------------                 260 ---------------------------------
576 - G4Transportation:                               261 - G4Transportation:
577   o Update the SafetyHelper using the safety c    262   o Update the SafetyHelper using the safety calculated by Navigator.
578                                                   263 
579 November 27th, 2007, J.Apostolakis  transport- << 264 November 27th, 2007, J.Apostolakis  transport-V09-00-05a 
580 ----------------------------------                265 ----------------------------------
581 - G4CoupledTransportation                         266 - G4CoupledTransportation
582   o Added updating of particle-looping flag (w    267   o Added updating of particle-looping flag (was commented out.)
583 - Also called "transport-V09-00-51" to make it    268 - Also called "transport-V09-00-51" to make it canonical.
584                                                   269 
585 November 8th, 2007, J.Apostolakis  transport-V    270 November 8th, 2007, J.Apostolakis  transport-V09-00-05
586 ---------------------------------                 271 ---------------------------------
587 - G4Transportation:                               272 - G4Transportation:
588   o Created new method (and class member) for     273   o Created new method (and class member) for flag on Short StepOptimisation.
589     * When it is true, the optimisation is 'on    274     * When it is true, the optimisation is 'on' steps shorter than the
590       safety will not call G4Navigator - so lo    275       safety will not call G4Navigator - so long as the particle goes straight
591       ie it is not charged or there is no fiel    276       ie it is not charged or there is no field.
592     * Retained the default value as 'off' - as << 277     * Retained the default value as 'off' - as since changed in 
593       transport-V09-00-02 following Alex's sug    278       transport-V09-00-02 following Alex's suggestion.
594                                                   279 
595 November 8th, 2007, J.Apostolakis  transport-V    280 November 8th, 2007, J.Apostolakis  transport-V09-00-04
596 ---------------------------------                 281 ---------------------------------
597 - G4Transportation (AlongStepGPIL):               282 - G4Transportation (AlongStepGPIL):
598   o Moved the call to ConfigureForTrack before << 283   o Moved the call to ConfigureForTrack before the check whether 
599     fieldMgr has 0 field ptr, in order to enab << 284     fieldMgr has 0 field ptr, in order to enable it to be called 
600     even if the field manager points to a zero    285     even if the field manager points to a zero field.
601     Needed to enable a user to switch a global    286     Needed to enable a user to switch a global field on (off was possible),
602     as a track goes between volume (or regions << 287     as a track goes between volume (or regions) of a setup.   
603     [ Response to request of Atlas/ZM. ]       << 288     [ Response to request of Atlas/ZM. ] 
604     Note: this ordering already existed in G4C    289     Note: this ordering already existed in G4CoupledTransportation.
605                                                   290 
606 October 12th, 2007, J.Apostolakis  transport-V    291 October 12th, 2007, J.Apostolakis  transport-V09-00-03
607 ---------------------------------                 292 ---------------------------------
608 - G4CoupledTransportation:                        293 - G4CoupledTransportation:
609   o Improves condition for flag that regulates << 294   o Improves condition for flag that regulates Relocating when only 
610     any geometry (including a parallel geometr << 295     any geometry (including a parallel geometry) limits the step.  
611     New PathFinder method required.               296     New PathFinder method required.
612 - Requires and co-works with tag geomnav-V09-0    297 - Requires and co-works with tag geomnav-V09-00-03
613                                                   298 
614 October 4th, 2007, J.Apostolakis  transport-V0    299 October 4th, 2007, J.Apostolakis  transport-V09-00-02
615 --------------------------------                  300 --------------------------------
616 - G4CoupledTransportation:                        301 - G4CoupledTransportation:
617   o First fix for problem in condition for Rel << 302   o First fix for problem in condition for Relocating when only a parallel 
618     geometry limited the step.                 << 303     geometry limited the step.  
619   o Change of condition for recalculation safe    304   o Change of condition for recalculation safety (from Alex Howard) used,
620     as currently it improves stability.           305     as currently it improves stability.
621                                                   306 
622 September 25th, 2007, J.Apostolakis  transport    307 September 25th, 2007, J.Apostolakis  transport-V09-00-01
623 -----------------------------------               308 -----------------------------------
624 - G4Transportation:                               309 - G4Transportation:
625   Modification to disable 'optimisation' in G4    310   Modification to disable 'optimisation' in G4Navigator for small linear
626   step  (ie when a track does less than the sa    311   step  (ie when a track does less than the safety).
627     * Relevant only if there is no field, or t    312     * Relevant only if there is no field, or the particle is neutral
628     * Temporary measure (in current form) to i    313     * Temporary measure (in current form) to improve comparison
629         old / new Transportation  (single/old  << 314         old / new Transportation  (single/old vs coupled with pathfinder). 
630                                                   315 
631 July 12th, 2007, J.Apostolakis  transport-V09-    316 July 12th, 2007, J.Apostolakis  transport-V09-00-00
632 ------------------------------                    317 ------------------------------
633 - Retagged to enable testing of new developmen << 318 - Retagged to enable testing of new developments 
634   (which were not included in release 9.0)        319   (which were not included in release 9.0)
635                                                   320 
636 June  6th, 2007, G.Cosmo        transport-V08-    321 June  6th, 2007, G.Cosmo        transport-V08-03-14
637 -----------------------                           322 -----------------------
638 - Includes G4Transportation and G4CoupledTrans    323 - Includes G4Transportation and G4CoupledTransportation implementations
639   as in tag "transport-V08-03-11":                324   as in tag "transport-V08-03-11":
640   o Corrected bug in ComputeSafety() introduce    325   o Corrected bug in ComputeSafety() introduced in "transport-V08-03-10".
641   o Reinitialise SafetyHelper state from G4Pat    326   o Reinitialise SafetyHelper state from G4PathFinder::PrepareNewTrack().
642   o Should fix the problem seen in test33 and     327   o Should fix the problem seen in test33 and reported by system testing.
643 - All the rest is kept as in tag "transport-V0    328 - All the rest is kept as in tag "transport-V08-03-12".
644                                                   329 
645 June  1st, 2007, A.Howard       transport-V08-    330 June  1st, 2007, A.Howard       transport-V08-03-13
646 ------------------------                          331 ------------------------
647 - Renamed classes associated with old biasing     332 - Renamed classes associated with old biasing scheme with suffix 8:
648   G4ProcessPlacer8, G4VProcessPlacer8, G4VSamp    333   G4ProcessPlacer8, G4VProcessPlacer8, G4VSamplerConfigurator8,
649   G4WeightCutOffProcess8, G4SamplingPostStepAc    334   G4WeightCutOffProcess8, G4SamplingPostStepAction8, G4VSampler8,
650   G4WeightCutOffConfigurator8                     335   G4WeightCutOffConfigurator8
651 - Includes same G4CoupledTransportation as tra    336 - Includes same G4CoupledTransportation as transport-V08-03-12
652                                                   337 
653 ********** transport-V08-03-12 was used for Ge    338 ********** transport-V08-03-12 was used for Geant4 9.0 ***************
654                                                   339 
655 May 31st, 2007, A.Howard      transport-V08-03    340 May 31st, 2007, A.Howard      transport-V08-03-12
656 ------------------------                          341 ------------------------
657 - Archived classes for old biasing scheme, now    342 - Archived classes for old biasing scheme, now replaced in module
658   processes/biasing. Removed classes:             343   processes/biasing. Removed classes:
659   G4MImportanceConfigurator, G4MScoreConfigura    344   G4MImportanceConfigurator, G4MScoreConfigurator, G4MScoreProcess,
660   G4MWeightWindowConfigurator, G4MassGCellFind    345   G4MWeightWindowConfigurator, G4MassGCellFinder, G4MassGeometrySampler,
661   G4MassImportanceProcess, G4MassWeightWindowP    346   G4MassImportanceProcess, G4MassWeightWindowProcess,
662   G4PImportanceConfigurator, G4PScoreConfigura    347   G4PImportanceConfigurator, G4PScoreConfigurator, G4PScoreProcess,
663   G4PWeightWindowConfigurator, G4ParallelGCell    348   G4PWeightWindowConfigurator, G4ParallelGCellFinder,
664   G4ParallelGeometrySampler, G4ParallelImporta    349   G4ParallelGeometrySampler, G4ParallelImportanceProcess, G4ParallelTransport,
665   G4ParallelTransportConfigurator, G4ParallelW    350   G4ParallelTransportConfigurator, G4ParallelWWnTransportProcess,
666   G4ParallelWeightWindowProcess, G4PlaceOfActi    351   G4ParallelWeightWindowProcess, G4PlaceOfAction, G4ProcessPlacer,
667   G4SamplingPostStepAction, G4VProcessPlacer,     352   G4SamplingPostStepAction, G4VProcessPlacer, G4VSampler,
668   G4VSamplerConfigurator, G4WeightCutOffConfig    353   G4VSamplerConfigurator, G4WeightCutOffConfigurator.
669 - Classes are kept on the HEAD for testing pur    354 - Classes are kept on the HEAD for testing purposes.
670 - Tag does NOT include changes from tags "tran    355 - Tag does NOT include changes from tags "transport-V08-03-00" to
671   "transport-V08-03-11" inclusive.                356   "transport-V08-03-11" inclusive.
672                                                   357 
673 May 29th, 2007, A.Howard/J.Apostolakis  transp    358 May 29th, 2007, A.Howard/J.Apostolakis  transport-V08-03-11
674 --------------------------------------            359 --------------------------------------
675 - G4CoupledTransportation:                        360 - G4CoupledTransportation:
676   o Corrected treatment of time integration (m    361   o Corrected treatment of time integration (made flags do as in original
677     Transport).                                   362     Transport).
678   o Again use momentum change flag in particle    363   o Again use momentum change flag in particle-change (optimisation).
679   o Also reset looping counter when no field o    364   o Also reset looping counter when no field or charge is present.
680 - Corrected names in Transport, Coupled Transp    365 - Corrected names in Transport, Coupled Transport. (J.Apostolakis)
681                                                   366 
682 May 29th, 2007, J.Apostolakis  transport-V08-0    367 May 29th, 2007, J.Apostolakis  transport-V08-03-10
683 -----------------------------                     368 -----------------------------
684 - Gone back to G4CoupledTransportation.           369 - Gone back to G4CoupledTransportation.
685   o G4Transportation is now the original (what    370   o G4Transportation is now the original (what was called G4Transportation8
686     since "transport-V08-03-03").                 371     since "transport-V08-03-03").
687   o G4Transportation8 still exists, to enable     372   o G4Transportation8 still exists, to enable code that utilises it to compile
688     (transitional). Expect that G4Transportati    373     (transitional). Expect that G4Transportation8 will be taken away asap.
689                                                   374 
690 May 29th, 2007, J.Apostolakis  transport-V08-0    375 May 29th, 2007, J.Apostolakis  transport-V08-03-04
691 -----------------------------                     376 -----------------------------
692 - G4Transportation. Refined relocation:           377 - G4Transportation. Refined relocation:
693   o Full (re)location only if any geometry lim    378   o Full (re)location only if any geometry limited the step.
694   o Fast relocation otherwise.                    379   o Fast relocation otherwise.
695 - Renamed & new data members: f(Mass,Any)Geome    380 - Renamed & new data members: f(Mass,Any)GeometryLimitedStep.
696                                                   381 
697 May 25th, 2007, J.Apostolakis  transport-V08-0    382 May 25th, 2007, J.Apostolakis  transport-V08-03-03
698 -----------------------------                     383 -----------------------------
699 - G4Transportation                                384 - G4Transportation
700   o Fix for case of zero proposed step: missed    385   o Fix for case of zero proposed step: missed to set end position. (A.Howard)
701 - G4Transportation8                               386 - G4Transportation8
702   o Fixed StartTracking() to reset number of l << 387   o Fixed StartTracking() to reset number of looping steps and 
703     to clear propagator state (safety issue in    388     to clear propagator state (safety issue in case of overlaps).
704                                                   389 
705 May 18th, 2007, J.Apostolakis  transport-V08-0    390 May 18th, 2007, J.Apostolakis  transport-V08-03-02
706 -----------------------------                     391 -----------------------------
707 - G4Transportation:                               392 - G4Transportation:
708   o Corrected full safety at step start, to pr    393   o Corrected full safety at step start, to protect against negative value.
709   o Obtain the endMassSafety from new saved va    394   o Obtain the endMassSafety from new saved value in G4PathFinder.
710 - G4Transportation8:                              395 - G4Transportation8:
711   o Small cleanup, and hints for saving Safety    396   o Small cleanup, and hints for saving Safety to helper.
712                                                   397 
713 May 13th, 2007, A.Howard       transport-V08-0 << 398 May 13th, 2007, A.Howard       transport-V08-03-01 
714 ------------------------                          399 ------------------------
715 - G4VTrackTerminator:                             400 - G4VTrackTerminator:
716   o Use call to G4GeometryTolerance instead of    401   o Use call to G4GeometryTolerance instead of kCarTolerance.
717   o Requires tag "global-V08-03-00" and relate    402   o Requires tag "global-V08-03-00" and related tag set.
718                                                   403 
719 May 9th, 2007, J.Apostolakis  transport-V08-03 << 404 May 9th, 2007, J.Apostolakis  transport-V08-03-00 
720 ----------------------------                      405 ----------------------------
721 - G4Transportation (hh,icc,cc)                    406 - G4Transportation (hh,icc,cc)
722   o Renamed G4CoupledTransportation to G4Trans    407   o Renamed G4CoupledTransportation to G4Transportation
723   o Merged changes on branch used to bring in     408   o Merged changes on branch used to bring in CoupledTransportation,
724     porting changes in G4Transportation since     409     porting changes in G4Transportation since the creation of
725     CoupledTransportation.                        410     CoupledTransportation.
726   o Also merged branch used for fixes in G4Tra    411   o Also merged branch used for fixes in G4Transportation.cc (1.60.2, 1.60.4)
727     for convergence to Release 9.0.               412     for convergence to Release 9.0.
728 - Renamed G4Transportation to G4Transportation    413 - Renamed G4Transportation to G4Transportation8
729 - G4ProcessPlader changed to reflect these rev    414 - G4ProcessPlader changed to reflect these revisions. (A.Howard)
730                                                   415 
731 May 8th, 2007, G.Cosmo  transport-V08-02-03       416 May 8th, 2007, G.Cosmo  transport-V08-02-03
732 ----------------------                            417 ----------------------
733 - Use call to G4GeometryTolerance instead of k    418 - Use call to G4GeometryTolerance instead of kCarTolerance in
734   G4VTrackTerminator.                             419   G4VTrackTerminator.
735 - Requires tag "global-V08-03-00" and related     420 - Requires tag "global-V08-03-00" and related tag set.
736                                                   421 
737 May 2nd, 2007, J.Apostolakis  transport-V08-02    422 May 2nd, 2007, J.Apostolakis  transport-V08-02-02
738 ----------------------------                      423 ----------------------------
739 - G4CoupledTransportation:                     << 424 - G4CoupledTransportation: 
740   o Make treatment of mass and full safety coh    425   o Make treatment of mass and full safety coherent (to-dos remain in
741     G4PathFinder).                                426     G4PathFinder).
742   o Added storing of full safety in state; ret << 427   o Added storing of full safety in state; retrieve it after compute step 
743     from PathFinder; calculate them same way a    428     from PathFinder; calculate them same way at start of step.
744   o Put back in the code for treating looping     429   o Put back in the code for treating looping particles.
745                                                   430 
746 February 15th, 2007, J.Apostolakis  transport-    431 February 15th, 2007, J.Apostolakis  transport-V08-02-01
747 ----------------------------------                432 ----------------------------------
748 - G4Transportation: protection against velocit    433 - G4Transportation: protection against velocity=0 in AlongStep (invalid).
749                                                   434 
750 February 15th, 2007, J.Apostolakis  transport-    435 February 15th, 2007, J.Apostolakis  transport-V08-02-00
751 ----------------------------------                436 ----------------------------------
752 - G4Transportation: call PropagatorInField to     437 - G4Transportation: call PropagatorInField to clear state for new track
753    --> addresses reliabilitiy problem seen by  << 438    --> addresses reliabilitiy problem seen by Atlas.  This fix is related 
754        to overlaps, clearing the safety value  << 439        to overlaps, clearing the safety value (which is multivalued due 
755        to the overlaps, and thus can become in << 440        to the overlaps, and thus can become invalid for a new track in 
756        an overlap region.)                     << 441        an overlap region.) 
757                                                   442 
758 November 22nd, 2006, J.Apostolakis  transport-    443 November 22nd, 2006, J.Apostolakis  transport-V08-01-04
759 ---------------------------------                 444 ---------------------------------
760 - Add new classes G4NeutronKiller and G4Neutro    445 - Add new classes G4NeutronKiller and G4NeutronKillerMessenger
761   (created by V. Ivantchenko)                     446   (created by V. Ivantchenko)
762                                                   447 
763 November 22nd, 2006, J.Apostolakis  transport-    448 November 22nd, 2006, J.Apostolakis  transport-V08-01-03
764 ---------------------------------                 449 ---------------------------------
765 - G4CoupledTransportation:                        450 - G4CoupledTransportation:
766   o AlongStepGPIL() now returns an estimate fo    451   o AlongStepGPIL() now returns an estimate for the safety for all geometries
767     to make up for the fact that some other pr    452     to make up for the fact that some other processes only have PostStep GPILs
768     which cannot currently influence safety.      453     which cannot currently influence safety.
769 - NOTE: Fix / Workaround for deficiency of oth    454 - NOTE: Fix / Workaround for deficiency of others.
770                                                   455 
771 November 13th, 2006, J.Apostolakis  transport-    456 November 13th, 2006, J.Apostolakis  transport-V08-01-01
772 ---------------------------------                 457 ---------------------------------
773 - Updated G4CoupledTransportation to use new s    458 - Updated G4CoupledTransportation to use new signature of
774   G4PathFinder::ComputeStep that added  new ar << 459   G4PathFinder::ComputeStep that added  new argument 
775   at the end: currentVolume.                      460   at the end: currentVolume.
776                                                   461 
777 June 2nd, 2006, J.Apostolakis  transport-V08-0    462 June 2nd, 2006, J.Apostolakis  transport-V08-00-02
778 -----------------------------                     463 -----------------------------
779 - Added new class G4CoupledTransportation, a r    464 - Added new class G4CoupledTransportation, a revised version of Transportation,
780   for use in 'coupled' parallel navigation in     465   for use in 'coupled' parallel navigation in different geometries.
781 - Includes non-revisions for migration to sstr    466 - Includes non-revisions for migration to sstream (Nov 2005).
782                                                   467 
783 Feb.  6th, 2006, J.Apostolakis/P.MoraDeFreitas    468 Feb.  6th, 2006, J.Apostolakis/P.MoraDeFreitas transport-V08-00-01
784 ----------------------------------------------    469 ----------------------------------------------
785 - Corrected problem with suspended tracks - PR    470 - Corrected problem with suspended tracks - PR# 802.
786 - Added StartTracking() method which takes ove    471 - Added StartTracking() method which takes over responsibility to
787   clear the state for a new track, and to mess    472   clear the state for a new track, and to message other relevant
788   component to clear their state (problem repo    473   component to clear their state (problem report and proposed revision
789   by P.MoraDeFreitas).                            474   by P.MoraDeFreitas).
790                                                   475 
791 Jan. 16th, 2006, J.Apostolakis transport-V08-0    476 Jan. 16th, 2006, J.Apostolakis transport-V08-00-00
792 ------------------------------                    477 ------------------------------
793 - G4Transportation:                               478 - G4Transportation:
794   o The particle's charge is now taken from th    479   o The particle's charge is now taken from the dynamic particle, so that
795     it can take into account changes from the     480     it can take into account changes from the interaction of an ion with
796     matter (eg stripping e-). (V.Ivantchenko)     481     matter (eg stripping e-). (V.Ivantchenko)
797                                                   482 
798 Nov. 21st, 2005, M.Asai transport-V07-01-00       483 Nov. 21st, 2005, M.Asai transport-V07-01-00
799 -----------------------                           484 -----------------------
800 - Migration to <sstream>.                         485 - Migration to <sstream>.
801 - Fix a warning message in G4ParallelTransport    486 - Fix a warning message in G4ParallelTransport.
802                                                   487 
803 May 10th, 2005, J.Apostolakis transport-V07-00    488 May 10th, 2005, J.Apostolakis transport-V07-00-01
804 -----------------------------                     489 -----------------------------
805 - Added process type to G4Transportation          490 - Added process type to G4Transportation
806                                                   491 
807 Mar. 7th, 2005, M.Asai transport-V07-00-00        492 Mar. 7th, 2005, M.Asai transport-V07-00-00
808 ----------------------                            493 ----------------------
809 - Added virtual to destructors of G4StepLimite    494 - Added virtual to destructors of G4StepLimiter and G4UserSpecialCuts.
810                                                   495 
811 Dec. 7th, 2004, G.Cosmo transport-V06-02-05       496 Dec. 7th, 2004, G.Cosmo transport-V06-02-05
812 -----------------------                           497 -----------------------
813 - Implemented migration to <cmath>.               498 - Implemented migration to <cmath>.
814                                                   499 
815 Nov. 23th, 2004, J.Apostolakis transport-V06-0    500 Nov. 23th, 2004, J.Apostolakis transport-V06-02-04
816 ------------------------------                    501 ------------------------------
817 - Added Threshold energy for not abandoning st    502 - Added Threshold energy for not abandoning stuck particles quickly.
818                                                   503 
819 Oct. 19th, H.Kurashige transport-V06-02-03        504 Oct. 19th, H.Kurashige transport-V06-02-03
820 ----------------------                            505 ----------------------
821 - Migrated processes to new G4VParticleChange     506 - Migrated processes to new G4VParticleChange interface.
822                                                   507 
823 Sep. 9th, M.Maire                                 508 Sep. 9th, M.Maire
824 -----------------                                 509 -----------------
825 - Apply tracking cut only if Rmin or Emin > DB    510 - Apply tracking cut only if Rmin or Emin > DBL_MIN in G4UserSpecialCuts.
826                                                   511 
827 Oct. 8th, M.Asai transport-V06-02-02              512 Oct. 8th, M.Asai transport-V06-02-02
828 ----------------                                  513 ----------------
829 - A protection is added in G4Transportation.cc    514 - A protection is added in G4Transportation.cc for an application with
830   parameterized volume but without any EM proc    515   parameterized volume but without any EM process.
831                                                   516 
832 Aug. 27th, M.Asai transport-V06-02-01             517 Aug. 27th, M.Asai transport-V06-02-01
833 -----------------                                 518 -----------------
834 - A pointer to sensitive detector is added in     519 - A pointer to sensitive detector is added in G4ParticleChangeForTransport.
835 - G4Transportation takes care of this pointer.    520 - G4Transportation takes care of this pointer.
836                                                   521 
837 Jul. 26th, M.Asai transport-V06-02-00             522 Jul. 26th, M.Asai transport-V06-02-00
838 -----------------                                 523 -----------------
839 - Introduce G4UserStepLimit to handle MaxAllow    524 - Introduce G4UserStepLimit to handle MaxAllowedStep in G4UserLimits.
840                                                   525 
841 Feb. 5th, M.Asai transport-V06-00-00              526 Feb. 5th, M.Asai transport-V06-00-00
842 ----------------                                  527 ----------------
843 - Fixed a bug in G4UserSpecialCuts related to     528 - Fixed a bug in G4UserSpecialCuts related to charged geantino
844                                                   529 
845 Nov. 26th, G.Cosmo transport-V05-02-07            530 Nov. 26th, G.Cosmo transport-V05-02-07
846 ------------------                                531 ------------------
847 - Replaced mis-typed class name G4SplittingAnd    532 - Replaced mis-typed class name G4SplittingAndRussianRouletePostStepDoIt
848   with G4SamplingPostStepAction and updated cl    533   with G4SamplingPostStepAction and updated classes accordingly.
849 - Adopt new G4Exception scheme.                   534 - Adopt new G4Exception scheme.
850 - Header inclusions and code cleanup.             535 - Header inclusions and code cleanup.
851                                                   536 
852 Nov. 14th, G.Cosmo transport-V05-02-06            537 Nov. 14th, G.Cosmo transport-V05-02-06
853 ------------------                                538 ------------------
854 - G4Transportation.cc:                            539 - G4Transportation.cc:
855   o Added inclusion of G4ChordFinder.hh, after    540   o Added inclusion of G4ChordFinder.hh, after latest changes to field.
856                                                   541 
857 Oct. 4th, G.Cosmo transport-V05-02-05             542 Oct. 4th, G.Cosmo transport-V05-02-05
858 -----------------                                 543 -----------------
859 - Modified GNUmakefile:                           544 - Modified GNUmakefile:
860   o added dependency to new module "geometry/n    545   o added dependency to new module "geometry/navigation".
861 - Coworks with "geometry-V05-02-00" and "digit    546 - Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
862                                                   547 
863 Sep. 25th, H.Kurashige transport-V05-02-04        548 Sep. 25th, H.Kurashige transport-V05-02-04
864 ----------------------                            549 ----------------------
865 - modify GNUmakefile to use processes/cuts cat    550 - modify GNUmakefile to use processes/cuts category
866 - migrate to model variant of EM physics in G4    551 - migrate to model variant of EM physics in G4UserSpecialCuts (V.Ivantchenko)
867                                                   552 
868 Aug. 27th, M.Dressel transport-V05-02-03          553 Aug. 27th, M.Dressel transport-V05-02-03
869 --------------------                              554 --------------------
870 - cleanup of header file inclusions               555 - cleanup of header file inclusions
871                                                   556 
872 Aug. 19th, M.Dressel transport-V05-02-02          557 Aug. 19th, M.Dressel transport-V05-02-02
873 --------------------                              558 --------------------
874 - rename G4ImportancePostStepDoIt to           << 559 - rename G4ImportancePostStepDoIt to 
875   G4SplittingAndRussianRouletePostStepDoIt sin << 560   G4SplittingAndRussianRouletePostStepDoIt since it is also used in 
876   weight window biasing                           561   weight window biasing
877                                                   562 
878 Aug. 19th, M.Dressel transport-V05-02-01          563 Aug. 19th, M.Dressel transport-V05-02-01
879 --------------------                              564 --------------------
880 - first implementation of weight window techni    565 - first implementation of weight window technique
881                                                   566 
882 Jul, 31st, P.Gumplinger  transport-V05-02-00      567 Jul, 31st, P.Gumplinger  transport-V05-02-00
883 -----------------------                           568 -----------------------
884 - G4Transportation.cc:                            569 - G4Transportation.cc:
885   o Use the finalVelocity to update TofF for o    570   o Use the finalVelocity to update TofF for optical photons.
886                                                   571 
887 Jul, 17th, J.Apostolakis                          572 Jul, 17th, J.Apostolakis
888 ------------------------                          573 ------------------------
889 - G4Transportation.cc:                            574 - G4Transportation.cc:
890   o Attempt to correct photon problem - by usi    575   o Attempt to correct photon problem - by using the velocity from
891     current medium for massless particles.        576     current medium for massless particles.
892                                                   577 
893 Jun, 25th, J.Apostolakis                          578 Jun, 25th, J.Apostolakis
894 ------------------------                          579 ------------------------
895 - G4Transportation[.hh.icc]:                      580 - G4Transportation[.hh.icc]:
896   o Added verbosity level to control the print    581   o Added verbosity level to control the printing of warnings (see below).
897                                                   582 
898 Jun, 21st, J.Apostolakis  transport-V05-01-06     583 Jun, 21st, J.Apostolakis  transport-V05-01-06
899 ------------------------                          584 ------------------------
900 G4Transportation:                                 585 G4Transportation:
901 - Added warning when energy changes from propa << 586 - Added warning when energy changes from propagation in magnetic field 
902   (or other field that conserves energy) due t << 587   (or other field that conserves energy) due to the inaccuracy of 
903   numerical integration of the equations of mo    588   numerical integration of the equations of motion.
904                                                   589 
905 Jun, 21st, J.Apostolakis  transport-V05-01-05     590 Jun, 21st, J.Apostolakis  transport-V05-01-05
906 ------------------------                          591 ------------------------
907 - G4Transportation:                               592 - G4Transportation:
908   o Use new method of PropagatorInField to sim    593   o Use new method of PropagatorInField to simplify choice of
909     global/local field.                           594     global/local field.
910   o Activated the new capability of a (user de    595   o Activated the new capability of a (user derived) field manager to
911     configure itself with different accuracy p    596     configure itself with different accuracy parameters depending on
912     track's energy, particle identity, or othe    597     track's energy, particle identity, or other property.
913 - Notes:                                          598 - Notes:
914   o Requires tags "field-V05-01-04" and "geomv    599   o Requires tags "field-V05-01-04" and "geomvol-V05-01-03"
915   o Includes updates of files to use <std> in     600   o Includes updates of files to use <std> in place of "g4std",
916     as made at the CVS HEAD.                      601     as made at the CVS HEAD.
917                                                   602 
918 Jun, 13th, M.Dressel       transport-V05-01-04    603 Jun, 13th, M.Dressel       transport-V05-01-04
919 --------------------                              604 --------------------
920 - Added to put the delete fImportancePostStepD    605 - Added to put the delete fImportancePostStepDoIt in G4MassImportanceProcess
921   and G4ParallelImportanceProcess.                606   and G4ParallelImportanceProcess.
922                                                   607 
923 Jun, 13th, M.Dressel       transport-V05-01-03    608 Jun, 13th, M.Dressel       transport-V05-01-03
924 --------------------                              609 --------------------
925 - Fixed bug created by last bug fix in G4MassI    610 - Fixed bug created by last bug fix in G4MassImportanceProcess
926   and G4ParallelImportanceProcess.                611   and G4ParallelImportanceProcess.
927                                                   612 
928 Jun, 12th, M.Dressel       transport-V05-01-02    613 Jun, 12th, M.Dressel       transport-V05-01-02
929 --------------------                              614 --------------------
930 - Fixed "'this' : used in base member initiali << 615 - Fixed "'this' : used in base member initializer list" in 
931   src\G4MassImportanceProcess.cc, src\G4Parall    616   src\G4MassImportanceProcess.cc, src\G4ParallelImportanceProcess.cc
932                                                   617 
933 Jun, 4th, G.Cosmo          transport-V05-01-01    618 Jun, 4th, G.Cosmo          transport-V05-01-01
934 -----------------                                 619 -----------------
935 - Fixes for inclusion of <strstream> in G4Para    620 - Fixes for inclusion of <strstream> in G4ParallelImportanceProcess.cc
936   and G4ParallelTransport.cc in view  of the g    621   and G4ParallelTransport.cc in view  of the g4std wrappers migration.
937                                                   622 
938 May, 13th, J.Apostolakis   transport-V05-01-00    623 May, 13th, J.Apostolakis   transport-V05-01-00
939 ------------------------                          624 ------------------------
940 - Fixes to G4Transportation.cc to accomodate i    625 - Fixes to G4Transportation.cc to accomodate incorrect and
941   missing functionality for two use cases:        626   missing functionality for two use cases:
942   o a local field when no global field exists     627   o a local field when no global field exists  (it was not seen)
943   o overriding an existing global field by a '    628   o overriding an existing global field by a 'zero' field
944     by creating a local field manager that has << 629     by creating a local field manager that has a null G4Field pointer 
945     (a use case which did not exist.)             630     (a use case which did not exist.)
946   Further work to verify these use cases work  << 631   Further work to verify these use cases work is required.  
947                                                   632 
948 Apr, 7th, V.Ivanchenko     transport-V05-00-04    633 Apr, 7th, V.Ivanchenko     transport-V05-00-04
949 -----------------                                 634 -----------------
950 - Migration to "cuts by region" for G4UserSpec    635 - Migration to "cuts by region" for G4UserSpecialCuts.
951                                                   636 
952 Apr, 3rd, G.Cosmo          transport-V05-00-03    637 Apr, 3rd, G.Cosmo          transport-V05-00-03
953 -----------------                                 638 -----------------
954 - Cleared pedantic warnings and some cosmetic     639 - Cleared pedantic warnings and some cosmetic cleanups...
955                                                   640 
956 Jan, 14th, M.Asai          transport-V05-00-02    641 Jan, 14th, M.Asai          transport-V05-00-02
957 -----------------                                 642 -----------------
958 - Consolidated transport-V05-00-01 tag for G4T    643 - Consolidated transport-V05-00-01 tag for G4Transportation.cc
959                                                   644 
960 Jan, 7th, M.Asai           transport-V05-00-01    645 Jan, 7th, M.Asai           transport-V05-00-01
961 ----------------                                  646 ----------------
962 - Fix in G4Transportation.cc for updating mate    647 - Fix in G4Transportation.cc for updating material-cut-couple.
963                                                   648 
964 Dec, 16th, G. Cosmo        transport-V05-00-00    649 Dec, 16th, G. Cosmo        transport-V05-00-00
965 -------------------                               650 -------------------
966 - Merged branch "geant4-04-01-ref-02-cuts-bran    651 - Merged branch "geant4-04-01-ref-02-cuts-branch" to HEAD.
967   Included development for 'cuts-by-region' in    652   Included development for 'cuts-by-region' in G4Transportation.cc.
968                                                   653 
969 Nov, 20th, J. Apostolakis  transport-V04-01-05    654 Nov, 20th, J. Apostolakis  transport-V04-01-05
970 -------------------------                         655 -------------------------
971 - Tagged.                                         656 - Tagged.
972    Tag requires:   geomvol-V04-01-06 and track    657    Tag requires:   geomvol-V04-01-06 and tracking-V04-01-10
973       and is dependent also on greps-V04-01-01 << 658       and is dependent also on greps-V04-01-01 and track-V04-01-01. 
974                                                   659 
975 Nov, 8th, J.Generowicz                            660 Nov, 8th, J.Generowicz
976 - Copy auxiliary smooth trajectory point from     661 - Copy auxiliary smooth trajectory point from PIF to ParticleChange
977                                                   662 
978 Nov,  4th 2002 M.Dressel transport-V04-01-04      663 Nov,  4th 2002 M.Dressel transport-V04-01-04
979 ----------------------------------------------    664 -----------------------------------------------------
980 - remove G4std:: where it does not belong to      665 - remove G4std:: where it does not belong to
981 - replace str() functions                         666 - replace str() functions
982                                                   667 
983 Oct  31st, 2002 M.Dressel transport-V04-01-03     668 Oct  31st, 2002 M.Dressel transport-V04-01-03
984 ----------------------------------------------    669 -----------------------------------------------------
985 - bug fix in G4MassGeometrySampler and G4Paral    670 - bug fix in G4MassGeometrySampler and G4ParallelGeometrySampler
986                                                   671 
987 Oct  28th, 2002 M.Dressel transport-V04-01-02     672 Oct  28th, 2002 M.Dressel transport-V04-01-02
988 ----------------------------------------------    673 -----------------------------------------------------
989 - bug fix in G4MassGeometry                       674 - bug fix in G4MassGeometry
990                                                   675 
991 Oct  22th, 2002 M.Dressel internal_7_transport    676 Oct  22th, 2002 M.Dressel internal_7_transport-V04-01-01
992 ----------------------------------------------    677 --------------------------------------------------------
993 - moving G4CellStoreScorer, G4TrackLogger         678 - moving G4CellStoreScorer, G4TrackLogger
994   to digits+hits/detector                         679   to digits+hits/detector
995 - resolving G4SLRawValues                         680 - resolving G4SLRawValues
996                                                   681 
997 Oct  16th, 2002 M.Dressel internal_6_transport    682 Oct  16th, 2002 M.Dressel internal_6_transport-V04-01-01
998 ----------------------------------------------    683 --------------------------------------------------------
999 - changes recomanded by codewizrd                 684 - changes recomanded by codewizrd
1000 - added GCellFinder concept                      685 - added GCellFinder concept
1001                                                  686 
1002 Oct  10th, 2002 M.Dressel transport-V04-01-01    687 Oct  10th, 2002 M.Dressel transport-V04-01-01-internal-5
1003 ---------------------------------------------    688 --------------------------------------------------------
1004 - changing sampler concept: instead of separa    689 - changing sampler concept: instead of separat samplers for
1005   all combinations of importance sampling, sc    690   all combinations of importance sampling, scoring, wieght roulette
1006   for parallel and mass geometry there are tw    691   for parallel and mass geometry there are two Samplers now
1007   for the mass and parallel geometry: G4MassG << 692   for the mass and parallel geometry: G4MassGeometrySampler 
1008   and G4ParallelGeometrySampler.              << 693   and G4ParallelGeometrySampler. 
1009 - Introduction of Configurators to setup the     694 - Introduction of Configurators to setup the processes.
1010                                                  695 
1011 Sep  18th, 2002 M.Dressel transport-V04-01-01    696 Sep  18th, 2002 M.Dressel transport-V04-01-01-internal-4
1012 ---------------------------------------------    697 --------------------------------------------------------
1013 - tagging a version before reducing the numbe    698 - tagging a version before reducing the number of Samplers
1014                                                  699 
1015 Sep  2th, 2002 M.dressel  transport-V04-01-01    700 Sep  2th, 2002 M.dressel  transport-V04-01-01-internal-3
1016 -----------------------------------------        701 -----------------------------------------
1017     code cleanup for code-wizard                 702     code cleanup for code-wizard
1018                                                  703 
1019 Aug  29th, 2002 M.Dressel int-1-V04-01-01        704 Aug  29th, 2002 M.Dressel int-1-V04-01-01
1020 -----------------------------------------        705 -----------------------------------------
1021 - adopted to changes in int-2-geombias-V04-01    706 - adopted to changes in int-2-geombias-V04-01-01:
1022      renaming of G4PTouchableKey to G4Geometr << 707      renaming of G4PTouchableKey to G4GeometryCell 
1023      changing  G4VIStore and G4IStore         << 708      changing  G4VIStore and G4IStore 
1024      and dependants                              709      and dependants
1025                                                  710 
1026 Aug  13th, 2002 M.Dressel transport-V04-01-01    711 Aug  13th, 2002 M.Dressel transport-V04-01-01
1027 ---------------------------------------------    712 ----------------------------------------------
1028 - added G4CellStoreScorer,  G4VTrackTerminato    713 - added G4CellStoreScorer,  G4VTrackTerminator and changed the sampler
1029   classes in order to use the G4VTrackTermina    714   classes in order to use the G4VTrackTerminator (if necessary) to
1030   kill a track.                               << 715   kill a track. 
1031 - coworks with geombias-V04-01-01                716 - coworks with geombias-V04-01-01
1032                                                  717 
1033 July 18th, 2002 M.Dressel                     << 718 July 18th, 2002 M.Dressel 
1034 -------------------------                        719 -------------------------
1035 - bug fix in G4TrackLogger                       720 - bug fix in G4TrackLogger
1036                                                  721 
1037 July 11th, 2002 M.Dressel internal-2-transpor    722 July 11th, 2002 M.Dressel internal-2-transport-V04-01-01
1038 ---------------------------------------------    723 --------------------------------------------------------
1039 - moved the standard scoring classes to run b << 724 - moved the standard scoring classes to run because 
1040   they need G4EventManager.                      725   they need G4EventManager.
1041                                                  726 
1042 July 10th, 2002 M.Dressel internal-1-transpor    727 July 10th, 2002 M.Dressel internal-1-transport-V04-01-01
1043 ---------------------------------------------    728 --------------------------------------------------------
1044 - add classes for standard scoreing. Remove G    729 - add classes for standard scoreing. Remove G4ScorePrinter and G4Scorer.
1045   G4StandardScorer and G4StandardScoreTable m    730   G4StandardScorer and G4StandardScoreTable may be used as replacement.
1046   The source file G4StandardScorer.cc may be  << 731   The source file G4StandardScorer.cc may be found in 
1047   extended/examples/B09/src because it needs     732   extended/examples/B09/src because it needs to acces the
1048   G4EventManager.                                733   G4EventManager.
1049                                                  734 
1050 Jun   13, 2002 M.Dressel transport-V04-00-09  << 735 Jun   13, 2002 M.Dressel transport-V04-00-09 
1051 ---------------------------------------------    736 ---------------------------------------------
1052 - add classes for creating and printing talli    737 - add classes for creating and printing tallies.
1053                                                  738 
1054 May   31, 2002  M.Dressel transport-V04-00-08    739 May   31, 2002  M.Dressel transport-V04-00-08
1055 ---------------------------------------------    740 --------------------------------------------------------
1056 - made weight window sampling to apply only a    741 - made weight window sampling to apply only at inital track step 1.
1057                                                  742 
1058 May   31, 2002  M.Dressel transport-V04-00-07    743 May   31, 2002  M.Dressel transport-V04-00-07
1059 ---------------------------------------------    744 --------------------------------------------------------
1060 - bug fix in G4PArallelScoreSampler.cc and re    745 - bug fix in G4PArallelScoreSampler.cc and remove Warning from
1061   ParallelTransport.                             746   ParallelTransport.
1062                                                  747 
1063 May   31, 2002  M.Dressel transport-V04-00-06    748 May   31, 2002  M.Dressel transport-V04-00-06
1064 ---------------------------------------------    749 --------------------------------------------------------
1065 - renaming of the Manager classes to Sampler  << 750 - renaming of the Manager classes to Sampler classes 
1066 - substitution of G4ParallelManager inside th    751 - substitution of G4ParallelManager inside the Sampler classes
1067                                                  752 
1068 May   30, 2002  M.Dressel                     << 753 May   30, 2002  M.Dressel 
1069 ---------------------------------------------    754 --------------------------------------------------------
1070 - chamged G4VImportanceScoreConstructor to G4    755 - chamged G4VImportanceScoreConstructor to G4VSampler
1071                                                  756 
1072 May   30, 2002  M.Dressel                     << 757 May   30, 2002  M.Dressel 
1073 ---------------------------------------------    758 --------------------------------------------------------
1074 - all the ImportanceScoreManagers derive form << 759 - all the ImportanceScoreManagers derive form 
1075   G4VImportanceScoreConstructor               << 760   G4VImportanceScoreConstructor 
1076                                                  761 
1077 May   30, 2002  M.Dressel internal-3-transpor    762 May   30, 2002  M.Dressel internal-3-transport-V04-00-05
1078 ---------------------------------------------    763 --------------------------------------------------------
1079 - changes in Importance Manager constructors, << 764 - changes in Importance Manager constructors, G4ImportanceAlgorithm as 
1080   pointer                                        765   pointer
1081                                                  766 
1082 May   29, 2002  M.Dressel internal-2-transpor    767 May   29, 2002  M.Dressel internal-2-transport-V04-00-05
1083 ---------------------------------------------    768 --------------------------------------------------------
1084 - bug fix in G4PImportanceWWindowScoreManager    769 - bug fix in G4PImportanceWWindowScoreManager.cc
1085   and G4ParallelImportanceManager.hh.            770   and G4ParallelImportanceManager.hh.
1086                                                  771 
1087 May   24, 2002  M.Dressel internal-1-transpor    772 May   24, 2002  M.Dressel internal-1-transport-V04-00-05
1088 -------------------------                        773 -------------------------
1089 - Change in G4VProcessPlacer and G4ProcessPla    774 - Change in G4VProcessPlacer and G4ProcessPlacer: add member function
1090   RemoveProcess to properly remove a process.    775   RemoveProcess to properly remove a process.
1091 - Add classes for wieght window biasing.         776 - Add classes for wieght window biasing.
1092                                                  777 
1093                                                  778 
1094 May   02, 2002  M.Dressel                     << 779 May   02, 2002  M.Dressel 
1095 -------------------------                        780 -------------------------
1096 - Change in G4ProcessPlacer: set process vect << 781 - Change in G4ProcessPlacer: set process vector via process manager not 
1097   directly.                                   << 782   directly. 
1098 - Change in G4ParallelTranport: use StartTrac    783 - Change in G4ParallelTranport: use StartTracking to signal inital step.
1099   This should help to locate "suspended" trac    784   This should help to locate "suspended" tracks.
1100                                                  785 
1101 April 24, 2002  G.Cosmo - transport-V04-00-05    786 April 24, 2002  G.Cosmo - transport-V04-00-05
1102 -----------------------                          787 -----------------------
1103 - Added G4DEBUG_TRANSPORT flag in GNUmakefile    788 - Added G4DEBUG_TRANSPORT flag in GNUmakefile and (on suggestionh of
1104   J.Apostolakis) replaced to G4VERBOSE in G4T    789   J.Apostolakis) replaced to G4VERBOSE in G4Transportation::PostStepDoIt()
1105   for extra-check on volume boundary.            790   for extra-check on volume boundary.
1106   Issues addressed by problem report #130 sho    791   Issues addressed by problem report #130 should now be resolved.
1107                                                  792 
1108 April 10, 2002  M.Dressel - transport-V04-00-    793 April 10, 2002  M.Dressel - transport-V04-00-04
1109 -------------------------                        794 -------------------------
1110 - Added comments to headers of transportation    795 - Added comments to headers of transportation classes and managers for
1111   importance biasing, to fullfill Software Re    796   importance biasing, to fullfill Software Reference Manual.
1112                                                  797 
1113 Apr 9, 2002 G.Cosmo                              798 Apr 9, 2002 G.Cosmo
1114 -------------------                              799 -------------------
1115 - Added liability disclaimer to scorer classe    800 - Added liability disclaimer to scorer classes and minor cosmetics.
1116                                                  801 
1117 Apr 8, 2002 M.Dressel - transport-V04-00-03      802 Apr 8, 2002 M.Dressel - transport-V04-00-03
1118 ---------------------                            803 ---------------------
1119 - Resolved compilation problems on HP-aCC.       804 - Resolved compilation problems on HP-aCC.
1120                                                  805 
1121 Apr 4, 2002 M.Dressel - transport-V04-00-02      806 Apr 4, 2002 M.Dressel - transport-V04-00-02
1122 ---------------------                            807 ---------------------
1123 - Cleaned compilation problems for G4std/std.    808 - Cleaned compilation problems for G4std/std.
1124                                                  809 
1125 Apr 4, 2002 M.Dressel - transport-V04-00-01      810 Apr 4, 2002 M.Dressel - transport-V04-00-01
1126 ---------------------                            811 ---------------------
1127 - Resolved compilation problems on SUN-CC and    812 - Resolved compilation problems on SUN-CC and Linux-egcs.
1128                                                  813 
1129 Mar  28, 2002 M.Dressel - transport-V04-00-00    814 Mar  28, 2002 M.Dressel - transport-V04-00-00
1130 -----------------------                          815 -----------------------
1131 - First implementation of transportation clas    816 - First implementation of transportation classes and managers for importance
1132   biasing and scoring. Co-works with "geometr    817   biasing and scoring. Co-works with "geometry-V04-00-01".
1133                                                  818 
1134 Mar  25, 2002 G.Cosmo                            819 Mar  25, 2002 G.Cosmo
1135 ---------------------                            820 ---------------------
1136 - Added dependency to new module geometry/bia    821 - Added dependency to new module geometry/biasing in GNUmakefile.
1137                                                  822 
1138 Dec   8, 2001 J.Apostolakis - transport-V03-0    823 Dec   8, 2001 J.Apostolakis - transport-V03-02-07
1139 ---------------------------                      824 ---------------------------
1140 - Activated the killing of 'looping' particle    825 - Activated the killing of 'looping' particles -- to be used also to
1141   abandon (kill) particles that are stuck (eg    826   abandon (kill) particles that are stuck (eg at boundaries).
1142   [ Fix for problems of stuck particles repor    827   [ Fix for problems of stuck particles reported by CMS (P.Arce),
1143     and Atlas (A.Del'Acqua, A.Rimoldi) ]      << 828     and Atlas (A.Del'Acqua, A.Rimoldi) ] 
1144                                                  829 
1145 Nov  28, 2001 J.Apostolakis - transport-V03-0    830 Nov  28, 2001 J.Apostolakis - transport-V03-02-06
1146 ---------------------------                      831 ---------------------------
1147 - Fix for the new updating of the time for fi << 832 - Fix for the new updating of the time for fields -- correcting previous 
1148   tag.  By keeping account whether the field  << 833   tag.  By keeping account whether the field changes the energy (and 
1149   therefore the velocity) in the field manage    834   therefore the velocity) in the field manager.
1150                                                  835 
1151   Requires and co-works with                     836   Requires and co-works with
1152    - "field-V03-02-07"                        << 837    - "field-V03-02-07" 
1153    - "geomvol-V03-02-02"                         838    - "geomvol-V03-02-02"
1154   in order to compile (let alone have any eff    839   in order to compile (let alone have any effect.)
1155                                                  840 
1156 Nov  10, 2001 J.Apostolakis - transport-V03-0    841 Nov  10, 2001 J.Apostolakis - transport-V03-02-05
1157 ---------------------------                      842 ---------------------------
1158 - Motivated by the use case of an Electric Fi    843 - Motivated by the use case of an Electric Field,
1159    * in order to achieve reasonable accuracy     844    * in order to achieve reasonable accuracy in time integration,
1160    * and to enable fields that vary with the     845    * and to enable fields that vary with the global time
1161   changed Transportation to try to obtain the    846   changed Transportation to try to obtain the delta_time from FieldTrack.
1162   Co-works with and requires "field-V03-02-03    847   Co-works with and requires "field-V03-02-03" to have any effect.
1163                                                  848 
1164 Nov   9, 2001   G. Cosmo - transport-V03-02-0    849 Nov   9, 2001   G. Cosmo - transport-V03-02-04
1165 ------------------------                         850 ------------------------
1166 - Fix in G4Transportation.cc for initialisati    851 - Fix in G4Transportation.cc for initialisation of touchable handle.
1167                                                  852 
1168 Nov   8, 2001   G. Cosmo - transport-V03-02-0    853 Nov   8, 2001   G. Cosmo - transport-V03-02-03
1169 ------------------------                         854 ------------------------
1170 - Introduced changes to G4Transportation for     855 - Introduced changes to G4Transportation for reference-counted
1171   touchables (R.Chytracek). Added methods Get    856   touchables (R.Chytracek). Added methods GetFreeTouchable() and
1172   SetTheOtherTouchableFree(G4VTouchable*).       857   SetTheOtherTouchableFree(G4VTouchable*).
1173                                                  858 
1174 Nov   6, 2001   J. Apostolakis - transport-V0    859 Nov   6, 2001   J. Apostolakis - transport-V03-02-02
1175 ------------------------------                   860 ------------------------------
1176 - Added protection in G4Transportation::Along    861 - Added protection in G4Transportation::AlongStepGPIL for messaging
1177   "ResestStepEstimate" of ChordFinder for the    862   "ResestStepEstimate" of ChordFinder for the case there is no global field.
1178   ** NOTE this is not a perfect resolution (s    863   ** NOTE this is not a perfect resolution (see NOTE in log file). **
1179   --> Thanks to Radovan Chytracek for reporti    864   --> Thanks to Radovan Chytracek for reporting this problem (move to file log)
1180                                                  865 
1181 Aug  16, 2001   J. Apostolakis - transport-V0    866 Aug  16, 2001   J. Apostolakis - transport-V03-02-01
1182 ------------------------------                   867 ------------------------------
1183 - Tagged. (This tag requires field-V03-02-00)    868 - Tagged. (This tag requires field-V03-02-00)
1184                                                  869 
1185 Aug  16, 2001   J. Apostolakis                   870 Aug  16, 2001   J. Apostolakis
1186 ------------------------------                   871 ------------------------------
1187 - Erasing state information from previous tra    872 - Erasing state information from previous track at the first step of
1188   each track.  (-> this is required to ensure    873   each track.  (-> this is required to ensure repeatability)
1189   This should eliminate any non-repeatability    874   This should eliminate any non-repeatability due to the propagation
1190   in field.                                      875   in field.
1191   ( Requires updated version of G4ChordFinder    876   ( Requires updated version of G4ChordFinder )
1192                                                  877 
1193 Jul  19, 2001   G. Cosmo  transport-V03-02-00    878 Jul  19, 2001   G. Cosmo  transport-V03-02-00
1194 ------------------------                         879 ------------------------
1195 - Synchronised with CVS HEAD after introducti    880 - Synchronised with CVS HEAD after introduction of warrenty disclaimer.
1196 - Modified author list in G4Transportation (P    881 - Modified author list in G4Transportation (P.Gumplinger).
1197                                                  882 
1198 Apr  11, 2001   J. Apostolakis   transport-V0    883 Apr  11, 2001   J. Apostolakis   transport-V03-01-02
1199 ------------------------------                   884 ------------------------------
1200 - Corrected the last update of G4Transportati << 885 - Corrected the last update of G4Transportation.cc, which overwrote the 
1201   value of the spin in the cases where a part    886   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.   << 887   or a charged particle was not in a field. 
1203                                                  888 
1204 Apr  11, 2001   P. Gumplinger   transport-V03    889 Apr  11, 2001   P. Gumplinger   transport-V03-01-01
1205 -----------------------------                    890 -----------------------------
1206 - Updated G4Transportation.cc to make spin tr    891 - Updated G4Transportation.cc to make spin tracking work correctly:
1207   o Replaced the line originally commented ou    892   o Replaced the line originally commented out:
1208       // fTransportEndPolarization= aFieldTra    893       // fTransportEndPolarization= aFieldTrack.GetSpin() ; // Not yet possible
1209     with:                                     << 894     with: 
1210       fTransportEndSpin = aFieldTrack.GetSpin    895       fTransportEndSpin = aFieldTrack.GetSpin();
1211   o Added to the AlongStepDoIt() the followin    896   o Added to the AlongStepDoIt() the following call:
1212       fParticleChange.SetPolarizationChange(f    897       fParticleChange.SetPolarizationChange(fTransportEndSpin);
1213                                                  898 
1214 Mar  19, 2001   J. Apostolakis  transport-V03    899 Mar  19, 2001   J. Apostolakis  transport-V03-00-01
1215 ------------------------------                   900 ------------------------------
1216 - G4Transportation modified to use new FieldT    901 - G4Transportation modified to use new FieldTrack, and get Kinetic
1217   Energy from it.                             << 902   Energy from it. 
1218   This new FieldTrack together with changes i    903   This new FieldTrack together with changes in associated Equation of Motion
1219   classes implement the momentum vector as in    904   classes implement the momentum vector as independent variable in place of
1220   the velocity.                               << 905   the velocity. 
1221   So this tag requires                        << 906   So this tag requires 
1222   - new geometry/magneticfield tag "field-V03 << 907   - new geometry/magneticfield tag "field-V03-00-01",  and 
1223   - new geometry/volumes  tag "geomvol-V03-00    908   - new geometry/volumes  tag "geomvol-V03-00-03" for new
1224     G4PropagatorInField ().                      909     G4PropagatorInField ().
1225                                                  910 
1226 Feb  27, 2001   J. Apostolakis  (transport-V0    911 Feb  27, 2001   J. Apostolakis  (transport-V03-00-00)
1227 ------------------------------                   912 ------------------------------
1228 - G4Transportation.cc:                           913 - G4Transportation.cc:
1229   *   Modified calculation of energy at the e    914   *   Modified calculation of energy at the end of field step
1230        to make it more accurate at low veloci    915        to make it more accurate at low velocities,
1231        (while remaining correct at high gamma << 916        (while remaining correct at high gammas). 
1232   This improves the energy determination.     << 917   This improves the energy determination. 
1233   Together with electromagnetic/standard tag     918   Together with electromagnetic/standard tag  "stand-V03-00-03"
1234   this addresses the main problem in propagat    919   this addresses the main problem in propagating in an electric field
1235   (Problem report # 108 )                        920   (Problem report # 108 )
1236                                                  921 
1237 Sep  22, 2000   V. Grichine (transport-V02-00    922 Sep  22, 2000   V. Grichine (transport-V02-00-00)  [recorded by G.Cosmo]
1238 ---------------------------                      923 ---------------------------
1239 - G4Transportation.cc:                           924 - G4Transportation.cc:
1240   o added formula for Tkin corresponding dire    925   o added formula for Tkin corresponding directly to
1241     relativistic definition of Tkin = Etot -     926     relativistic definition of Tkin = Etot - mc^2 = mc^2(gamma -1),
1242     where gamma is a particle Lorentz factor.    927     where gamma is a particle Lorentz factor.
1243   o general cosmetics.                           928   o general cosmetics.
1244                                                  929 
1245 Jun  19, 2000   J. Apostolakis  (transport-V0    930 Jun  19, 2000   J. Apostolakis  (transport-V01-01-02)
1246 ------------------------------                   931 ------------------------------
1247 - G4Transportation.cc: Set the True Step Leng    932 - G4Transportation.cc: Set the True Step Length in G4Transportation.cc
1248 - Cosmetic:  updated other files to the head,    933 - Cosmetic:  updated other files to the head, as there were no differences
1249   from it (CVS headers).                         934   from it (CVS headers).
1250                                                  935 
1251 May  15, 2000   J. Apostolakis  (transport-V0    936 May  15, 2000   J. Apostolakis  (transport-V01-01-01)
1252 ------------------------------                   937 ------------------------------
1253 - G4Transportation.cc:  Set the material in m    938 - G4Transportation.cc:  Set the material in materialChange, in order to get
1254   correct behaviour for volumes that paramete    939   correct behaviour for volumes that parameterise the material.
1255   (Fix is dependant on changes to particleCha    940   (Fix is dependant on changes to particleChangeForTransport and StepPoint)
1256 - Modified setting of touchable change, in or    941 - Modified setting of touchable change, in order to preserve const-ness where
1257   it exists.                                     942   it exists.
1258                                                  943 
1259 Nov  25, 1999   J. Apostolakis  (transport-V0    944 Nov  25, 1999   J. Apostolakis  (transport-V00-01-01)
1260 ------------------------------                   945 ------------------------------
1261 - G4Transportation.cc: Added protection for t    946 - G4Transportation.cc: Added protection for the case of a zero step (when
1262   there is a field)                              947   there is a field)
1263 - G4UserSpecialCuts: protection to use min ra    948 - G4UserSpecialCuts: protection to use min range and min kinE only for
1264   charged particles.                             949   charged particles.
1265                                                  950 
1266 June  9, 1999   J. Apostolakis  (transport-01    951 June  9, 1999   J. Apostolakis  (transport-01-00-02)
1267 ------------------------------                   952 ------------------------------
1268 - Added a protection so that full relocation     953 - Added a protection so that full relocation is not used for very small moves.
1269                                                  954 
1270 Dec   4, 1998   J. Apostolakis  (transport-00    955 Dec   4, 1998   J. Apostolakis  (transport-00-04-01)
1271 ------------------------------                   956 ------------------------------
1272 - The Velocity Vector for Transport in a magn    957 - The Velocity Vector for Transport in a magnetic field is now set correctly.
1273   (previously the scalar velocity was automat    958   (previously the scalar velocity was automatically promoted to a 3-vector)
1274                                                  959 
1275 Nov  25, 1998  J. Apostolakis                 << 960 Nov  25, 1998  J. Apostolakis   
1276 -----------------------------                    961 -----------------------------
1277 - Added the direction to  LocateGlobalPointAn    962 - Added the direction to  LocateGlobalPointAndUpdateTouchable.
1278                                                  963 
1279 Nov  19, 1998   J. Apostolakis  (transport-00    964 Nov  19, 1998   J. Apostolakis  (transport-00-03-04)
1280 ------------------------------                   965 ------------------------------
1281 - Fixes:                                         966 - Fixes:
1282   1) The final energy is set equal to the ini    967   1) The final energy is set equal to the initial energy, because
1283      the PropagatorInField does not calculate    968      the PropagatorInField does not calculate it correctly yet.  NEEDS Fix
1284   2) If the requested step size is zero and s    969   2) If the requested step size is zero and safety is zero,  the
1285      step is now considered geometry limited.    970      step is now considered geometry limited.  (This can happen
1286      if a discrete process tries to take a  s    971      if a discrete process tries to take a  step that is very small
1287      compared to the mean free path.)  Proble    972      compared to the mean free path.)  Problem observed by Laszlo in EM tests.
1288   3) PostStepGetInteractionLength now returns    973   3) PostStepGetInteractionLength now returns DBL_MAX, not kInfinity.
1289                                                  974 
1290 Nov  11, 1998   J. Apostolakis  (transport-00    975 Nov  11, 1998   J. Apostolakis  (transport-00-03-03)
1291 ------------------------------                   976 ------------------------------
1292 - Changes to accomodate new interface of Fiel << 977 - Changes to accomodate new interface of Field: 
1293   G4PropagatorInField and G4FieldTrack.          978   G4PropagatorInField and G4FieldTrack.
1294                                                  979 
1295 Oct  30, 1998  J. Apostolakis   (transport-00    980 Oct  30, 1998  J. Apostolakis   (transport-00-03-02)
1296 -----------------------------                    981 -----------------------------
1297 - In the case of magnetic field, a flag that     982 - In the case of magnetic field, a flag that determines whether the
1298   geometry limited the step was not set.         983   geometry limited the step was not set.
1299                                                  984 
1300 Sep  16, 1998  J. Apostolakis   (transport-00    985 Sep  16, 1998  J. Apostolakis   (transport-00-03-01)
1301 -----------------------------                    986 -----------------------------
1302 - Checks whether the particle is out of the w    987 - Checks whether the particle is out of the world volume,
1303   if so it has exited and must be killed.        988   if so it has exited and must be killed.
1304                                                  989 
1305 Aug  28, 1998  J. Apostolakis                 << 990 Aug  28, 1998  J. Apostolakis 
1306 -----------------------------                    991 -----------------------------
1307 - The PostStepGetPhysicalInteractionLength ha    992 - The PostStepGetPhysicalInteractionLength has fixed (to return kInf)
1308   The boolean flags for touchables are now in    993   The boolean flags for touchables are now initialised. & Other small fixes ?
1309   Test code for non-relocating case added (fo    994   Test code for non-relocating case added (for debugging).
1310                                                  995 
1311 June 08, 1998   J. Apostolakis  (trans-06-04)    996 June 08, 1998   J. Apostolakis  (trans-06-04)
1312 ------------------------------                   997 ------------------------------
1313 - Corrected Safety computation for the case o    998 - Corrected Safety computation for the case of the field (adding endpoint
1314   distance instead of curve length.)          << 999   distance instead of curve length.) 
1315 - Added PostStepDoIt method that tries to rel    1000 - Added PostStepDoIt method that tries to relocate the particle using
1316   G4ParticleChangeForTransport                   1001   G4ParticleChangeForTransport
1317 - Transportation is no longer a G4ContinuousP << 1002 - Transportation is no longer a G4ContinuousProcess. 
1318                                                  1003 
1319 June 08, 1998   J. Apostolakis  (trans-06-03)    1004 June 08, 1998   J. Apostolakis  (trans-06-03)
1320 ------------------------------                   1005 ------------------------------
1321 - Modified it to recomputate Safety at the st    1006 - Modified it to recomputate Safety at the start of a step.  To do this
1322   it uses the previous step's  calculated saf    1007   it uses the previous step's  calculated safety and endpoint.
1323                                                  1008 
1324 June 08, 1998   J. Apostolakis  (trans-06-02)    1009 June 08, 1998   J. Apostolakis  (trans-06-02)
1325 ------------------------------                   1010 ------------------------------
1326 - Modified it to add re-computation of Safety    1011 - Modified it to add re-computation of Safety at the endpoint of a step,
1327   when the safety would become negative.  Thi    1012   when the safety would become negative.  This is done to allow processes
1328   to benefit from a realistic (geometrical) v    1013   to benefit from a realistic (geometrical) value of the safety.  The
1329   request to do this was from EM physics         1014   request to do this was from EM physics
1330                                                  1015 
1331 June 03, 1998   J. Apostolakis  (trans-06-01)    1016 June 03, 1998   J. Apostolakis  (trans-06-01)
1332 ------------------------------                   1017 ------------------------------
1333 - The safety we is now generalised to mean th    1018 - The safety we is now generalised to mean the limit of assumption of all
1334   processes. The AlongStepGPIL input value is    1019   processes. The AlongStepGPIL input value is not the remainder from the
1335   previous step's geometrical safety.            1020   previous step's geometrical safety.
1336   So the transportation must recalculate the     1021   So the transportation must recalculate the starting point's safety here.
1337   As a zeroeth order approximation we set it     1022   As a zeroeth order approximation we set it to zero.
1338                                                  1023 
1339 April 17, 1998  M. Maire      [recorded by Jo    1024 April 17, 1998  M. Maire      [recorded by John Apostolakis]
1340 ------------------------                         1025 ------------------------
1341 - A new process, G4UserSpecialCuts, was added    1026 - A new process, G4UserSpecialCuts, was added to allow the
1342   user an alternative method to set some user    1027   user an alternative method to set some user cuts.
1343                                                  1028 
1344 April 15, 1998  H. Kurasige   [recorded by Jo    1029 April 15, 1998  H. Kurasige   [recorded by John Apostolakis]
1345 ---------------------------                      1030 ---------------------------
1346 - The transportation does the absolute minimu << 1031 - The transportation does the absolute minimum required to conform to 
1347   the new scheme for ParticleChange: G4VParti << 1032   the new scheme for ParticleChange: G4VParticleChange is used in signature. 
1348   [ But default G4ParticleChange is still use << 1033   [ But default G4ParticleChange is still used ]. 
1349                                                  1034 
1350 April 14, 1998  John Apostolakis                 1035 April 14, 1998  John Apostolakis
1351 --------------------------------                 1036 --------------------------------
1352 - History file Created                           1037 - History file Created