source: trunk/source/geometry/History @ 1347

Last change on this file since 1347 was 1347, checked in by garnier, 14 years ago

geant4 tag 9.4

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1$Id: History,v 1.42 2010/10/27 07:34:32 gcosmo Exp $
2-------------------------------------------------------------------
3
4     =========================================================
5     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
6     =========================================================
7
8                      Category History file
9                      ---------------------
10This file should be used by G4 developers and category coordinators
11to briefly summarize all major modifications introduced in the code
12and keep track of all category-tags.
13It DOES NOT substitute the  CVS log-message one should put at every
14committal in the CVS repository !
15
16     ----------------------------------------------------------
17     * Reverse chronological order (last date on top), please *
18     ----------------------------------------------------------
19
20May 18, 2007   Gabriele Cosmo               geometry-V08-03-01
21-----------------------------
22- Includes tags: geomdiv-V08-03-01, geomnav-V08-03-02, breps-V08-03-01,
23                 geom-bool-V08-03-00, geom-csg-V08-03-01,
24                 geom-specific-V08-03-01 and geom-solids-tests-V08-03-00.
25- Use kAngTolerance and kRadTolerance from G4GeometryTolerance class.
26- Coworks with tag "global-V08-03-03".
27
28May 11, 2007   Gabriele Cosmo               geometry-V08-03-00
29-----------------------------
30- Includes tags: geomvol-V08-03-00, geom-specific-V08-03-00, breps-V08-03-00,
31                 geomnav-V08-03-00, geommng-V08-03-01, geomdiv-V08-03-00,
32                 geombias-V08-03-00, field-V08-03-00.
33- Use call to G4GeometryTolerance instead of kCarTolerance where needed.
34- Requires tag "global-V08-03-00" and related tag set.
35
36Nov 09, 2005   Gabriele Cosmo               geometry-V07-01-00
37-----------------------------
38- Includes tags: geomsolids-V07-01-00, geomvol-V07-01-02, geombias-V07-01-00,
39                 geomdiv-V07-01-01, field-V07-01-00, geommng-V07-01-03.
40- Implemented changes for support of CLHEP-2.0.X.
41- Added fake default constructor for all concrete volumes, solids, base
42  classes and relevant utility classes for handling of direct object
43  persistency.
44- Implemented migration to <sstream> from deprecated <strstream>.
45
46Dec 10, 2004   Gabriele Cosmo               geometry-V06-02-02
47-----------------------------
48- Replaced M_PI with CLHEP's pi.
49
50Dec 02, 2004   Gabriele Cosmo               geometry-V06-02-01
51-----------------------------
52- Implemented migration to <cmath> for standard mathematical functions.
53- Includes tags: field-V06-02-02, geomdiv-V06-02-02, geommng-V06-02-08,
54  geomnav-V06-02-08, geomsolids-V06-02-01, geomvol-V06-02-01.
55
56Oct 13, 2004   Gabriele Cosmo               geometry-V06-02-00
57-----------------------------
58- Includes tags:
59  geommng-V06-02-03, geom-csg-V06-02-05, geom-bool-V06-02-01,
60  breps-V06-02-02, geom-specific-V06-02-02, geomnav-V06-02-04.
61
62Jun 11, 2004   Gabriele Cosmo               geometry-V06-01-01
63-----------------------------
64- Includes tag "geomnav-V06-01-01".
65- Use global flag G4GEOMETRY_ALLOC_EXPORT to export extern symbols for DLLs.
66  Modified granular GNUmakefiles and rearranged usage of extern symbols
67  in classes in volumes module.
68
69Jun 07, 2004   Gabriele Cosmo               geometry-V06-01-00
70-----------------------------
71- GNUmakefile: added definition of GLOBLIBS for DLLs support on Windows.
72- Includes tags in "geant4-06-02-cand-00" plus "geomvol-V06-01-02".
73
74Nov 04, 2003   Gabriele Cosmo               geometry-V05-02-01
75-----------------------------
76- Includes headers review. Tags included:
77  field-V05-02-01, geommng-V05-02-03, geomnav-V05-02-03, geom-bool-V05-02-03,
78  geom-csg-V05-02-04, geom-specific-V05-02-04, geomvol-V05-02-03.
79
80Sep 30, 2003   Gabriele Cosmo               geometry-V05-02-00
81-----------------------------
82- Logical reorganisation and restructure of modules:
83  o Added new module "navigation" for navigation-releated classes.
84  o Removed module "verification" and merged classes in "navigation".
85  o Archived solids/STEP and solids/STEPinterface modules.
86  o Modified GNUmakefiles in the various modules to cope with these changes.
87- Includes tags: geomvol-V05-02-01, geommng-V05-02-00, geomdiv-V05-02-02,
88                 geombias-V05-02-02, geomnav-V05-02-00, geomsolids-V05-02-00.
89
90Dec 04, 2002   Makoto Asai                  geometry-V04-01-00
91--------------------------
92- Migration to new G4ApplicationState
93
94Apr 19, 2002   Gabriele Cosmo               geometry-V04-00-03
95-----------------------------
96- Groups the following tags (see related History files for details):
97  geom-bool-V04-00-04, geom-csg-V04-00-03, geommng-V04-00-03,
98  geomvol-V04-00-06, geomver-V04-00-00, breps-V04-00-05.
99
100Apr 10, 2002   Gabriele Cosmo               geometry-V04-00-02
101-----------------------------
102- Fixed compilation problems for porting on supported and non-ISO platforms
103  on 'biasing' module. Includes "geomvol-V04-00-05" and "geombias-V04-00-03"
104  on top of previous global geometry tag.
105
106Mar 25, 2002   Gabriele Cosmo               geometry-V04-00-01
107-----------------------------
108- Added 'biasing' module. Updated global GNUmakefile.
109- Includes "biasing" module on top of 'geant4-04-00-ref-03'.
110
111Jan 11, 2002   Gabriele Cosmo               geometry-V04-00-00
112-----------------------------
113- Updated unit tests and benchmarks.
114- This tag includes also the following tags on top of "geant4-04-00-ref-00":
115  geomvol-V04-00-01, geommng-V04-00-00, geom-solids-csg-V04-00-00,
116  field-V04-00-00, geom-solid-bool-V04-00-00, geom-solids-specific-V04-00-00.
117  See related History files for details.
118
119Oct 22, 2001   Gabriele Cosmo               geometry-V03-02-01
120-----------------------------
121- Introduced new module "verification" for geometry debugging.
122- This tag includes the following tags on top of "geant4-03-02-ref-05":
123  geomver-V03-02-00, field-V03-02-00, geomvol-V03-02-00,
124  geommng-V03-02-00, geom-solid-bool-V03-02-01.
125  See related History files for details.
126
127Jul 11, 2001   Gabriele Cosmo               geometry-V03-02-00
128-----------------------------
129- Includes same code contents as in "geant4-03-02-ref-00" except that
130  CVS file revision is now synchronized with HEAD, after the update for
131  the disclaimer of warranty.
132- Includes tag "breps-V03-02-00".
133
134Apr 20, 2001   Gabriele Cosmo               geometry-V03-01-00
135-----------------------------
136- Includes all geometry coworking tags after the migration to STL vector:
137  field-V03-00-05, geommng-V03-01-00, geomsolids-V03-01-00 and
138  geomvol-V03-01-01.
139
140Nov 20, 2000   Gabriele Cosmo               geometry-V02-00-00
141-----------------------------
142- QA code cleanup from Code-Wizard and warnings issued by
143  "-Wall -ansi -pedantic" g++ compiler options. Includes tags:
144  geom-solids-csg-V02-00-11, breps-V02-00-03, geom-solid-bool-V02-00-02,
145  STEP-V02-00-00, stepinterface-V02-00-02, geom-solids-specific-V02-00-04,
146  field-V02-00-02, geommng-V02-00-04, geomvol-V02-00-01.
147
148May 12, 2000   Gabriele Cosmo               geometry-V01-01-03
149-----------------------------
150- magneticfield (field-V01-01-03):
151  o fixes to G4MagErrorStepper (check on chord endpoint),
152    G4RKG3_Stepper (deleted error message from StepNoErr),
153    G4MagIntegratorDriver (modified debug information).
154  o minor fix to dummy implementation of assignment operator
155    in G4MagneticField.hh.
156  o modified method for finding new trial step in G4ChordFinder.
157- volumes (geomvol-V01-01-00):
158  o introduced kCarTolerance for check over taken step length and
159    TruePathLength in G4PropagatorInField::ComputeStep().
160- solids/CSG (geom-solids-csg-V01-01-02):
161  o fixes in DistanceToIn(p,v) for G4Box and G4Trd to return 0 distance
162    in case computed value is less than 0.5*kCarTolerance.
163
164Apr 27, 2000   Gabriele Cosmo               geometry-V01-01-02
165-----------------------------
166- management, solids/Boolean, magneticfield, volumes:
167  o reorganised comments for the Software Reference Manual
168- solids/specific:
169  o minor fixes and removed dependency over solids/CSG module.
170- solids/test
171  o updated SBT test suite.
172
173Apr 11, 2000   John Allison                 geometry-V01-01-01
174---------------------------
175- management:
176  o made virtual G4VisExtent G4VSolid::GetExtent() non-pure and
177    implemented a default in terms of CalculateExtent.
178- solids:
179  o removed implementations of GetExtent in most sub-classes of G4VSolid.
180  o all implementations of DescribeYourselfTo (G4VGraphicsScene& scene) const
181    now correctly written: scene.AddThis(*this).
182- solids/Boolean:
183  o CreatePolyhedron implemented for BooleanSolids.
184  o G4DisplacedSolid: reversed implementation of GetFrameRotation and
185    GetObjectRotation, removing inappropriate invertion.
186  o G4DisplacedSolid::GetConstituentMovedSolid() made const.
187
188Apr 05, 2000  Gabriele Cosmo                geometry-V01-01-00
189----------------------------
190- This tag includes the following sub-category tags since geometry-V01-00-00a
191  (all of them collected by geomsolids-V01-01-00):
192  o geom-solids-csg-V01-01-01
193    + fixes to G4PolyhedraSide.cc, G4Tubs.cc (see related History file)
194    + added diagnostics to G4Cons, G4Sphere and G4Torus in function
195      DistanceToOut()
196    + general directory restructuring: moved non 'CSG' shapes to new directory
197      'specific'
198  o breps-V01-00-02
199    + implemented decoupling from NIST STEP Reader
200    + several fixes for porting and memory leaks (see related History file)
201  o STEP-V01-00-01
202    + upgrade to NIST SCL 3.2
203    + porting and ISO-ANSI C++ fixes
204  o stepinterface-V01-00-01
205    + upgrade to support the new NIST STEP Reader
206    + improved overall diagnostics
207    + several fixes for memory leaks and check of NULL pointers (see History)
208  o geom-solids-specific-V01-01-00
209    + new directory containing the implementation of specific solids,
210      several classes moved from solids/CSG
211    + new specific solid G4EllipticalTube, implementing a tube with
212      elliptical cross section (geant3 solid 'ELTU')
213- Generic tests "SBT" and "Fred" have been moved from solids/CSG/test to
214  solids/test (new directory).
215- Organised class description comments for the Software Reference Manual in
216  CSG and specific headers. Added CVS headers to files in specific.
217
218Feb 29, 2000  Gabriele Cosmo                geometry-V01-00-00a
219----------------------------
220- Minor fixes to unit tests (CSG) to make them up-to-date with recent
221  development versions.
222
223Jan 19, 2000  Gabriele Cosmo                geometry-V01-00-00
224----------------------------
225- Sycronized file versions with HEAD after ISO-C++ migration.
226  Collecting subtags: field-V01-00-00, geomsolids-V01-00-00,
227                      geommng-V01-00-00 and geomvol-V01-00-00.
228- Changes are now documented in the individual sub-category History files.
229
230Nov  10,  99   John Apostolakis              geometry-V00-01-01
231-------------------------------
232- geomsolids-V00-01-03
233      which includes the following sub-tags:
234        geom-solids-csg-01-00-02-cand
235        geom-solid-bool-V00-01-03b
236        breps-V00-01-00
237        stepinterface-V00-01-00
238- geomvol-01-01-01b
239- geommng-V00-01-01
240- field-V00-01-02   
241
242###############################################################################
243  Geant4 1.0  , 1st STL-based release.
244###############################################################################
245
246June  7,  99   John Apostolakis              geometry-01-00-06
247-------------------------------
248- Tagged.
249
250June  7,  99   D. C. Williams
251-------------------------------
252- CSG Pcon/Pgon (and supporting classes) :  several changes
253
254June  4,  99   S. Giani
255-------------------------------
256- G4Trap                 : CalculateExtent fix
257- G4SmartVoxelHeader.cc  : protection against inconsistent CalculateExtent
258
259May  21,  99   John Apostolakis              geometry-01-00-05
260-------------------------------
261- Tagged.
262
263May  20,  99   S.Giani, S.Magni
264-------------------------------
265- Fixes in BREP  Line, & (PCone, FCylindrical/FConical surf) respectively
266- For more details see solids/BREP/History
267- Also see changes mentioned in solids/CSG/History for CSG Pcon/Pgon
268
269May  19,  99   Frank  Behner
270------------------------------- 
271- Volumes: Further minor fixes for STL.
272
273May  12,  99   John Apostolakis              geometry-01-00-04
274-------------------------------
275- Tagged.
276
277May  12,  99   Simone Giani
278-------------------------------
279- Fixes to G4BREPSolidPolyhedra and G4FPlane.
280
281May  10,  99   Frank  Behner
282-------------------------------
283- Changes in RW use for compatibility with RW/STL in
284        management/src/G4PhysicalVolumeStore.cc 
285        management/src/G4LogicalVolumeStore.cc
286  modifying  "delete first();" to "removeFirst();"     
287
288May   7,  98   John Apostolakis
289-------------------------------
290- Changed G4Navigator to issue warning in the case of small inaccuracies
291   & cause fatal exception only for large deviations.
292
293May   3,  99   John Apostolakis              geometry-01-00-03
294-------------------------------
295- Minor fixes
296    In CSG solids:  Cons & Tubs  minor, and in PCon/PGon
297    For STL migration: PV-vol-store, NavLevel   (Frank Boehner)
298
299Apr  19,  99   John Apostolakis              geometry-01-00-02
300-------------------------------
301- Small fixes to solids: consistency fix for CalculateExtent & tolerance
302- CodeWarrior fixes (some) to magneticfield
303
304Apr  15,  99   John Allison
305-------------------------------
306- Added -I$(G4BASE)/intercoms/include to BREPS, Boolean abd CSG GNUmakefiles
307  in preparation for move of G4VGraphicsScene to intercoms.
308
309Mar  19,  99   John Apostolakis              geometry-01-00-01
310-------------------------------
311- Category tag using:
312   solids:       [tag geomsolids-01-00-01]
313   volumes:      [tag geomsolids-01-00-01]
314   management:   [tag geommng-01-00-02 ]
315   magneticfield [tag field-01-00-03]
316
317Mar  19,  99   John Apostolakis
318-------------------------------
319- Summary of significant changes in sub-categories/sub-directories
320  management:   [tag geommng-01-00-02 ]
321      G4AffineTransform.icc InverseProduct fix (used in Navigator).
322
323Jan  15, 99    John Apostolakis   
324-------------------------------
325- Fixes in CSG solids (Cons by V.Grichine, CSG Pcone+Pgon by D.C.Williams)
326
327Jan  15,  99   Simone Giani      ( rec by JA. )
328-------------------------------
329- Fixes in the creation of Smart Voxels:
330- Less memory intensive and much more performant at initialisation.
331  No worse, but a little faster at tracking time.  (G4SmartVoxelHeader)
332
333Jan  10,  99   John Apostolakis   ( geometry-01-00-01 to be done)
334-------------------------------     geometry as in geant4-00-patch2
335- Fixes in BREPs (Pcone, Pgon, ...)  see solids/BREPS/History
336  includes the subtags
337      stepinterface-01-00-01     
338      step-01-00-01
339
340###############################################################################
341  Geant4.0.0  , 1st production release.
342###############################################################################
343
344Dec  11,  98   John Apostolakis   geometry-00-04-04
345-------------------------------
346- Fixes in BREP Pcone, Pgon new csg versions of above too.
347
348Dec   9,  98   John Apostolakis   geometry-00-04-03
349-------------------------------
350- Fixes for:
351     - BrepPCone in constructor, FPlane, Cylindrical, Conical surfaces.
352                       Ellipse and others.
353
354     - Navigator for Replica Navigation (edges).
355
356     - STEPinterface : several creators
357
358Dec   1,  98   John Apostolakis   geometry-00-04-02
359-------------------------------
360- New code in solids/CSG (other implementation of Pgon, Pcon - not exercised)
361
362Dec   1,  98   John Apostolakis   geometry-00-04-02minus
363-------------------------------
364- Fixes in Boolean/src             portability
365            BREPS/src               logical problems (bPcone, ConeSurf, Plane)
366- Added History files in subdirectories.
367
368Nov  27,  98   John Apostolakis   geometry-00-04-01
369-------------------------------
370- Fixes in  Boolean/src             code: logical fixes
371            magneticfield/include   interface problem
372                          src       printing in propagator (debug)
373            Breps                   renamed methods (from compiler warnings)
374                                    + several fixes: Fplane, BREPSolid, Cylinder
375            volumes/NormalNav       stores Copy No
376            management              no changes - but fixed versions (now head)
377
378Nov  19,  98   John Apostolakis   geometry-00-03-10
379-------------------------------
380- Fixes from Lionel in BREPS/STEP/STEPinterface
381- management/include/G4LogicalVolume.icc
382  Deleted and readded same version to get CVS to see it on the head.
383
384Nov  19,  98   John Apostolakis   geometry-00-03-09
385-------------------------------
386- Added field-00-03-03
387     (it fixes propagation and several steppers)
388
389Nov  13,  98   John Apostolakis   geometry-00-03-08
390-------------------------------
391- Tagged.
392
393Nov  12,  98   John Apostolakis   geometry-00-03-07
394-------------------------------
395- Tagged for the STT.
396- solids-00-03-02:
397    i) New directory finally included:
398        solids/Boolean 
399       As in geometry-00-03-03 with minor change/fix.
400
401   ii) Fix in solids/CSG/src/G4Sphere.cc (V. Grichine).
402- field-00-03-02
403     Many changes in Magnetic field to accomodate Electric Field.
404- Still does not contain the fixes in geometry-00-03-03 (and later) in the
405  following directories:
406     BREPS,
407     STEP,
408     STEPinterface
409
410Nov   9,  98   John Apostolakis   geometry-00-03-06
411-------------------------------
412- Tagged for the STT.
413  Includes reorganisation of volumes
414  Still does not contain the fixes in geometry-00-03-03 (and later) in the
415   following directories:
416       BREPS, STEP, STEPinterface,
417       >all< of solids/Boolean
418
419Oct  30,  98   John Apostolakis   geometry-00-03-03
420-------------------------------
421- New Boolean directory.
422- Many fixes in BREPS:
423     Deleted StepCopyData from all classes.
424     Replaced G4Point, Point3d and Point2d with G4Point3D
425     Fixes to BREPSolid for BoundingBoxes
426
427Sept 23rd, 98  John Apostolakis
428-------------------------------
429- G4Box: changed DistanceToIn to fix new problem.
430- G4ParameterisedNavigation
431- G4VoxelNavigation: fixed VoxelSafety computation for the case of the
432  middle voxel of a set of equivalent (lowest-level) voxels.
433
434Sept 17th, 98  John Apostolakis    geometry-00-03-01
435-------------------------------
436- Tag created.
437
438Sept 15th, 98  John Apostolakis
439-------------------------------
440- In G4ParameterisedNavigation
441   i) Corrected ComputeSafety(...) which called ComputeVoxelSafety without
442     setting the fVoxelNode & fVoxelNodeNo to the ones at localpoint.
443     [ This produced incorrect safeties in some cases & resulted in an
444      assertion failure in testT08 because of an unexpected change of volume. ]
445  ii) ComputeStep: Fixed assertion check of blocked replica number.
446
447Aug  24th, 98  John Apostolakis  geometry-00-02-01
448-------------------------------
449- Tagged.
450  Small fixes in BREPS, to allow compilation on different platforms.
451
452###############################################################################
453beta01 release
454###############################################################################
455
456July 31st, 98  Peter Urban
457-------------------------------
458- Several fixes for BREPS.
459
460
461July 29th, 98  John Apostolakis  (with Stefano Magni)
462-------------------------------
463- G4BREPSolidPCone.cc : Cylindrical sections were incorrectly placed.
464- G4ConicalSurface.cc
465  G4CylindricalSurface.cc:
466    The Inside functions are modified to try to use the Geant-4 tolerance.
467     --> must be checked further
468       [ The method is used by Intersect of respective surfaces in a
469         complicated manner. ]
470- G4FConicalSurface.cc
471   - Fix to Bounding Box, which was incorrectly centered/placed.
472   - Fix to Intersect, to insure that only intersection in Finite extent of
473      Surface are found.
474
475July 28th, 98  John Apostolakis 
476-------------------------------
477- In the Navigator location, the blocked Volume was not cleared when the
478  navigator descended several levels in the tree. This would allows the same
479  in another part of the tree to be wrongly blocked.
480- In G4ParameterisedNavigation, the identity of the blocked Physical Volume
481  was not checked! You would block replica number 3 of your parameterised
482  volume although you exited replica number 3 of another volume!
483- The above problems combined to allow BlockingList to be called with
484  replicaNo = -1, which caused Linux/G++ & HP to dump core on program exit.
485  Modified Files:
486    G4Navigator.cc
487    G4ParameterisedNavigation.cc
488- An assignment used to be an equality check by mistake.
489  (Probably it was ok because it is redundant)
490  Modified Files:
491    G4VoxelNavigation.cc
492
493June 26th, 98  John Apostolakis  geometry-00-06-05
494-------------------------------
495- 1)  Modified check in ComputeStep that pseudo-relocation is within safety:
496     i) no check is made is the move is within tolerance as it makes no sense
497         - on a boundary it would cause a volume change (where there was none.)
498    ii) the Navigator now stores the last safety it calculated (origin, value)
499         and uses it for the calculation of this check.
500        This eliminates problems with this check, that produced assertion
501         failure in many example codes.
502- 2) NavigationHistory equality operator modified for efficiency (with P.Urban)
503- 3) G4Box     Problem in DistanceToIn reporting intersection where there was
504               none has been given a more complete solution (V.Grichine)
505     G4Sphere  Exception problem fixed.  (V.Grichine)
506
507June 20th, 98  John Apostolakis  geometry-00-06-04
508-------------------------------
509- 1) I have added a check that any pseudo-relocation made between a
510     call to Locate (the true Relocation) and the next call to ComputeStep
511     (eg in a PostStepDoIt) is truly within safety.
512- 2) The Navigator's ComputeStep method now always returns infinity, when it
513     does not limit the step
514- 3) G4Tubs.cc: Fixed surface normal (in R) which was not a unit vector.
515
516June 18th, 98  John Apostolakis 
517-------------------------------
518- In the Navigator:
519    1) Fix to allow lateral displacement (within safety) in PostStepDoIts
520       without messaging the Navigator. 
521    2) A first implementation of LocateGlobalPointWithinVolume
522- A fix in NormalNavigation's Compute Step, to allow volumes that are "touched"
523  to be tagged as entered.  (Ie, if the step is just long enough to arrive at
524  the surface of a volume, the navigator can still enter it quickly.)
525
526June 12th, 98   John Apostolakis (geometry-00-06-03)
527-------------------------------
528- Candidate fix to BREP PCone, constructing Conical Surfaces using different
529  starting point.
530- Fix to ReplicaNavigation to temporarily patch "assertion" problem.
531
532June 10th, 98  John Apostolakis  (geometry-00-06-02)
533-------------------------------
534- Added a new CSG Solid (G4Hype), a Hyperboloid by rotation       
535- Bug fix to G4Box::DistanceToIn (which reported intersection where there
536                                  was none).
537- Bug fix to G4FConicalSurface and G4ConicalSurface to fix G4BREPSolidPCone.
538  Correction to  to DistanceToOut of BREPSolid to ensure compatibility with
539  convexity assumptions of Navigator
540
541June  8th, 98  John Apostolakis  (geometry-00-06-01)
542-------------------------------
543- Created a tag for BREPS at the last point before merge with Peter's
544  Developments.
545  Modified
546    G4Navigator       and
547    G4NormalNavigation   G4ParameterisedNavigation
548    G4ReplicaNavigation  G4VoxelNavigation
549  to add ComputeSafety methods. These make a quick estimation of the
550  safety and can/should be called for the final point of a step only.
551
552June  3rd, 98  John Apostolakis
553-------------------------------
554- G4Navigator:
555  Added a new new method LocateGlobalPointWithinVolume that serves to notify
556  the Navigator that a track has moved to the new Global point 'position'.
557  This point must be known to be within the current volume, probably because it
558  is withing safety.
559
560May   11th, 98  John Apostolakis
561-------------------------------
562- G4PVPlacement:
563  - Implemented additional (4th) constructor that takes a pointer to a
564    logical mother volume and a G4Transform3D with the solid's rotation.
565  - Also added a data member to store whether a RotationMatrix was created.
566    This allows us to avoid a small memory leak in use of 2 constructors.
567
568May    8th, 98  John Apostolakis
569-------------------------------
570- History files created in magneticfield directory for this category.
571  It will be used exclusively for the maintenance of information in
572  this category. Only what impacts its interaction with the geometry
573  (G4PropagatorInField) will be mentioned here.
574
575- History file  has existed in solids/BREPS for slightly more detailed
576  changes in that sub-category.
577
578April 29th, 98  John Apostolakis  (geometry-00-05-05)
579-------------------------------
580- A significant logical error in G4VoxelNavigation::LocateNextVoxel was
581  corrected: the search for the next voxel could ignore voxels at lower levels
582- Small changes for DEC in GNUmakefile in BREPS & STEP
583   * Removed -cfront option from GNUmakefile for DEC. -cfront
584      overrides ANSI standard rules in cxx-6.0.
585   * Cleaned up trivial warnings on DEC (Extraneous semicolons).
586
587April 27th, 98  John Apostolakis  (geometry-00-05-04)
588-------------------------------
589- Tagged
590
591April 24th, 98  Jari Sulkimo       ( recorded by John Apostolakis here)
592-------------------------------
593- Fixes in BREPs (see solids/BREP/History for details, by author)
594   * fixed scope bugs in for loops
595   * bug fixes to G4Assembly.cc for STEP file interaction & placed solids
596     creation.
597
598April 23rd, 98  John Apostolakis  (geometry-00-05-03)
599-------------------------------
600- Bug fixes to BREP code for Assembly level of STEP files
601  (introduced in alpha05)
602- Renamed file G4Point3d.hh to G4Point3d.h (because of problems
603  on Windows NT in name clash with G4Point3D.hh).
604
605April 22nd, 98  John Apostolakis  (geom-05-02)
606-------------------------------
607- Tagged.
608
609April 21st, 98  John Apostolakis  (geometry-00-05-01)
610-------------------------------
611- Added SetAllParameters methods to G4Torus and G4Para.
612- All CSG solids now inherit from the new abstract class G4CSGSolid, instead
613  of directly from G4VSolid.
614- "const G4double" arguments have been changed to "G4double" for CSG methods.
615
616April 21st, 98  John Allison
617-------------------------------
618- Slightly relaxed tolerance in G4Trap (for g3tog4).
619- Corrected G4BREPSolidPolyhedra.cc for graphics_reps/G4Polyhedron.
620- Added void G4Trd::SetAllParameters.
621- Also relaxed check in G4Trd::CheckAndSetAllParameters (pdx1>=0, etc.)
622
623April 2, 98 G.Barrand
624-------------------------------
625- STEP/dirobj.cc : #ifdef WIN32, do not compile opendir and closedir.
626
627March 24, 98 G.Barrand
628-------------------------------
629- GNUmakefile : MAKESHLIB changed in G4MAKESHLIB
630
631March 13, 98   G.Cosmo (on behalf of S.Giani) - (geometry-00-04-05)
632-------------------------------
633- Added G4VPVParameterisation.cc including default implementations
634  of ComputeSolid() and ComputeMaterial() missing previously (J.Apostolakis).
635- Included fixes for aCC compiler in BREPS and STEP (J.Sulkimo, G.Cosmo).
636
637March  9, 98  J. Apostolakis - (geometry-00-04-04)
638-------------------------------
639- Small fix to G4BREPSolid.cc which was causing problems on HP-UX.
640  (Deleted use of floating point modulo for integers, with Jari S.)
641- G4Sphere:    further small corrections.
642
643March     5, 98    J. Apostolakis - (geometry-00-04-03)
644-------------------------------
645- Parameterised Volume can now VARY the TYPE of SOLID and/or Material
646  by copy number.  PVParameterisation classes can now compute these.
647  The Navigator has been modified to compute solid and material, and
648  to set them in the associated logical volume
649- Now able to process an extra level of STEP files, using new code in
650  BREPs  (Jari Sulkimo).
651- Further cleanup of code in BREP category  (Peter Urban).
652- Small modification in solids/STEP/GNUmakefile for Win/NT port (S. Sadilov).
653
654March     4, 98    J. Apostolakis - (geometry-00-04-02)
655-------------------------------
656- G4Sphere: corrected tests of the phi angle and with tolerance checking
657  that compared squares of distances.
658- The World volume can now be split into replicas. This not recommended, but
659  the Navigator is now able to handle it.
660- Cleanup of code in BREP category (Peter Urban & Jari Sulkimo)
661
662February 16, 98    J. Apostolakis - (geometry-00-04-01)
663-------------------------------
664- Replicas and parameterised physical-volumes now store the copy number of
665  their current copy. (It is valid only for physical volume in the hot tree).
666  Navigation routines were modified to enable this.
667
668February  4, 98    J. Apostolakis - (geometry-00-03-02)
669-------------------------------
670- A few small changes were made to the Magnetic Field classes.
671  This included one that allows it to work without repeatedly
672  issuing an unneccessary warning. 
673- Small fixes to BREP and STEP parts help in fixing a problem
674  with True/false on some platforms.
675
676January 28, 98 S. Sadilov
677-------------------------------
678- Small modification in GNUmakefile for Win/NT port
679
680January  26, 98    J. Apostolakis - (geometry-00-03-01)
681-------------------------------
682- i)  New implementation of G4NavigationHistory using G4NavigationLevel.
683      This implementation allows for very fast copying of G4NavigationHistory,
684      which is required in order to copy G4TouchableHistory.
685- ii) Correction in G4ReplicaNavigation.cc in DistanceToOutPhi, influencing
686      replicas divided in phi.
687
688December 19, 97 G. Cosmo - (alpha03)
689-------------------------------
690- Created.
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