source: trunk/source/geometry/History @ 846

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1$Id: History,v 1.39.2.2 2008/04/24 12:46:37 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
20Apr 23, 2008   Gabriele Cosmo               geometry-V09-00-00
21-----------------------------
22- Tag for release 9.1.p02.
23- Includes following tags on top of 9.1.p01 release:
24  geommng-V09-00-02, geomnav-V09-00-13, breps-V09-00-01,
25  geom-csg-V09-00-03, geom-specific-V09-00-09, field-V09-00-04.
26- Coworks with tag "greps-V09-00-03".
27
28May 18, 2007   Gabriele Cosmo               geometry-V08-03-01
29-----------------------------
30- Includes tags: geomdiv-V08-03-01, geomnav-V08-03-02, breps-V08-03-01,
31                 geom-bool-V08-03-00, geom-csg-V08-03-01,
32                 geom-specific-V08-03-01 and geom-solids-tests-V08-03-00.
33- Use kAngTolerance and kRadTolerance from G4GeometryTolerance class.
34- Coworks with tag "global-V08-03-03".
35
36May 11, 2007   Gabriele Cosmo               geometry-V08-03-00
37-----------------------------
38- Includes tags: geomvol-V08-03-00, geom-specific-V08-03-00, breps-V08-03-00,
39                 geomnav-V08-03-00, geommng-V08-03-01, geomdiv-V08-03-00,
40                 geombias-V08-03-00, field-V08-03-00.
41- Use call to G4GeometryTolerance instead of kCarTolerance where needed.
42- Requires tag "global-V08-03-00" and related tag set.
43
44Nov 09, 2005   Gabriele Cosmo               geometry-V07-01-00
45-----------------------------
46- Includes tags: geomsolids-V07-01-00, geomvol-V07-01-02, geombias-V07-01-00,
47                 geomdiv-V07-01-01, field-V07-01-00, geommng-V07-01-03.
48- Implemented changes for support of CLHEP-2.0.X.
49- Added fake default constructor for all concrete volumes, solids, base
50  classes and relevant utility classes for handling of direct object
51  persistency.
52- Implemented migration to <sstream> from deprecated <strstream>.
53
54Dec 10, 2004   Gabriele Cosmo               geometry-V06-02-02
55-----------------------------
56- Replaced M_PI with CLHEP's pi.
57
58Dec 02, 2004   Gabriele Cosmo               geometry-V06-02-01
59-----------------------------
60- Implemented migration to <cmath> for standard mathematical functions.
61- Includes tags: field-V06-02-02, geomdiv-V06-02-02, geommng-V06-02-08,
62  geomnav-V06-02-08, geomsolids-V06-02-01, geomvol-V06-02-01.
63
64Oct 13, 2004   Gabriele Cosmo               geometry-V06-02-00
65-----------------------------
66- Includes tags:
67  geommng-V06-02-03, geom-csg-V06-02-05, geom-bool-V06-02-01,
68  breps-V06-02-02, geom-specific-V06-02-02, geomnav-V06-02-04.
69
70Jun 11, 2004   Gabriele Cosmo               geometry-V06-01-01
71-----------------------------
72- Includes tag "geomnav-V06-01-01".
73- Use global flag G4GEOMETRY_ALLOC_EXPORT to export extern symbols for DLLs.
74  Modified granular GNUmakefiles and rearranged usage of extern symbols
75  in classes in volumes module.
76
77Jun 07, 2004   Gabriele Cosmo               geometry-V06-01-00
78-----------------------------
79- GNUmakefile: added definition of GLOBLIBS for DLLs support on Windows.
80- Includes tags in "geant4-06-02-cand-00" plus "geomvol-V06-01-02".
81
82Nov 04, 2003   Gabriele Cosmo               geometry-V05-02-01
83-----------------------------
84- Includes headers review. Tags included:
85  field-V05-02-01, geommng-V05-02-03, geomnav-V05-02-03, geom-bool-V05-02-03,
86  geom-csg-V05-02-04, geom-specific-V05-02-04, geomvol-V05-02-03.
87
88Sep 30, 2003   Gabriele Cosmo               geometry-V05-02-00
89-----------------------------
90- Logical reorganisation and restructure of modules:
91  o Added new module "navigation" for navigation-releated classes.
92  o Removed module "verification" and merged classes in "navigation".
93  o Archived solids/STEP and solids/STEPinterface modules.
94  o Modified GNUmakefiles in the various modules to cope with these changes.
95- Includes tags: geomvol-V05-02-01, geommng-V05-02-00, geomdiv-V05-02-02,
96                 geombias-V05-02-02, geomnav-V05-02-00, geomsolids-V05-02-00.
97
98Dec 04, 2002   Makoto Asai                  geometry-V04-01-00
99--------------------------
100- Migration to new G4ApplicationState
101
102Apr 19, 2002   Gabriele Cosmo               geometry-V04-00-03
103-----------------------------
104- Groups the following tags (see related History files for details):
105  geom-bool-V04-00-04, geom-csg-V04-00-03, geommng-V04-00-03,
106  geomvol-V04-00-06, geomver-V04-00-00, breps-V04-00-05.
107
108Apr 10, 2002   Gabriele Cosmo               geometry-V04-00-02
109-----------------------------
110- Fixed compilation problems for porting on supported and non-ISO platforms
111  on 'biasing' module. Includes "geomvol-V04-00-05" and "geombias-V04-00-03"
112  on top of previous global geometry tag.
113
114Mar 25, 2002   Gabriele Cosmo               geometry-V04-00-01
115-----------------------------
116- Added 'biasing' module. Updated global GNUmakefile.
117- Includes "biasing" module on top of 'geant4-04-00-ref-03'.
118
119Jan 11, 2002   Gabriele Cosmo               geometry-V04-00-00
120-----------------------------
121- Updated unit tests and benchmarks.
122- This tag includes also the following tags on top of "geant4-04-00-ref-00":
123  geomvol-V04-00-01, geommng-V04-00-00, geom-solids-csg-V04-00-00,
124  field-V04-00-00, geom-solid-bool-V04-00-00, geom-solids-specific-V04-00-00.
125  See related History files for details.
126
127Oct 22, 2001   Gabriele Cosmo               geometry-V03-02-01
128-----------------------------
129- Introduced new module "verification" for geometry debugging.
130- This tag includes the following tags on top of "geant4-03-02-ref-05":
131  geomver-V03-02-00, field-V03-02-00, geomvol-V03-02-00,
132  geommng-V03-02-00, geom-solid-bool-V03-02-01.
133  See related History files for details.
134
135Jul 11, 2001   Gabriele Cosmo               geometry-V03-02-00
136-----------------------------
137- Includes same code contents as in "geant4-03-02-ref-00" except that
138  CVS file revision is now synchronized with HEAD, after the update for
139  the disclaimer of warranty.
140- Includes tag "breps-V03-02-00".
141
142Apr 20, 2001   Gabriele Cosmo               geometry-V03-01-00
143-----------------------------
144- Includes all geometry coworking tags after the migration to STL vector:
145  field-V03-00-05, geommng-V03-01-00, geomsolids-V03-01-00 and
146  geomvol-V03-01-01.
147
148Nov 20, 2000   Gabriele Cosmo               geometry-V02-00-00
149-----------------------------
150- QA code cleanup from Code-Wizard and warnings issued by
151  "-Wall -ansi -pedantic" g++ compiler options. Includes tags:
152  geom-solids-csg-V02-00-11, breps-V02-00-03, geom-solid-bool-V02-00-02,
153  STEP-V02-00-00, stepinterface-V02-00-02, geom-solids-specific-V02-00-04,
154  field-V02-00-02, geommng-V02-00-04, geomvol-V02-00-01.
155
156May 12, 2000   Gabriele Cosmo               geometry-V01-01-03
157-----------------------------
158- magneticfield (field-V01-01-03):
159  o fixes to G4MagErrorStepper (check on chord endpoint),
160    G4RKG3_Stepper (deleted error message from StepNoErr),
161    G4MagIntegratorDriver (modified debug information).
162  o minor fix to dummy implementation of assignment operator
163    in G4MagneticField.hh.
164  o modified method for finding new trial step in G4ChordFinder.
165- volumes (geomvol-V01-01-00):
166  o introduced kCarTolerance for check over taken step length and
167    TruePathLength in G4PropagatorInField::ComputeStep().
168- solids/CSG (geom-solids-csg-V01-01-02):
169  o fixes in DistanceToIn(p,v) for G4Box and G4Trd to return 0 distance
170    in case computed value is less than 0.5*kCarTolerance.
171
172Apr 27, 2000   Gabriele Cosmo               geometry-V01-01-02
173-----------------------------
174- management, solids/Boolean, magneticfield, volumes:
175  o reorganised comments for the Software Reference Manual
176- solids/specific:
177  o minor fixes and removed dependency over solids/CSG module.
178- solids/test
179  o updated SBT test suite.
180
181Apr 11, 2000   John Allison                 geometry-V01-01-01
182---------------------------
183- management:
184  o made virtual G4VisExtent G4VSolid::GetExtent() non-pure and
185    implemented a default in terms of CalculateExtent.
186- solids:
187  o removed implementations of GetExtent in most sub-classes of G4VSolid.
188  o all implementations of DescribeYourselfTo (G4VGraphicsScene& scene) const
189    now correctly written: scene.AddThis(*this).
190- solids/Boolean:
191  o CreatePolyhedron implemented for BooleanSolids.
192  o G4DisplacedSolid: reversed implementation of GetFrameRotation and
193    GetObjectRotation, removing inappropriate invertion.
194  o G4DisplacedSolid::GetConstituentMovedSolid() made const.
195
196Apr 05, 2000  Gabriele Cosmo                geometry-V01-01-00
197----------------------------
198- This tag includes the following sub-category tags since geometry-V01-00-00a
199  (all of them collected by geomsolids-V01-01-00):
200  o geom-solids-csg-V01-01-01
201    + fixes to G4PolyhedraSide.cc, G4Tubs.cc (see related History file)
202    + added diagnostics to G4Cons, G4Sphere and G4Torus in function
203      DistanceToOut()
204    + general directory restructuring: moved non 'CSG' shapes to new directory
205      'specific'
206  o breps-V01-00-02
207    + implemented decoupling from NIST STEP Reader
208    + several fixes for porting and memory leaks (see related History file)
209  o STEP-V01-00-01
210    + upgrade to NIST SCL 3.2
211    + porting and ISO-ANSI C++ fixes
212  o stepinterface-V01-00-01
213    + upgrade to support the new NIST STEP Reader
214    + improved overall diagnostics
215    + several fixes for memory leaks and check of NULL pointers (see History)
216  o geom-solids-specific-V01-01-00
217    + new directory containing the implementation of specific solids,
218      several classes moved from solids/CSG
219    + new specific solid G4EllipticalTube, implementing a tube with
220      elliptical cross section (geant3 solid 'ELTU')
221- Generic tests "SBT" and "Fred" have been moved from solids/CSG/test to
222  solids/test (new directory).
223- Organised class description comments for the Software Reference Manual in
224  CSG and specific headers. Added CVS headers to files in specific.
225
226Feb 29, 2000  Gabriele Cosmo                geometry-V01-00-00a
227----------------------------
228- Minor fixes to unit tests (CSG) to make them up-to-date with recent
229  development versions.
230
231Jan 19, 2000  Gabriele Cosmo                geometry-V01-00-00
232----------------------------
233- Sycronized file versions with HEAD after ISO-C++ migration.
234  Collecting subtags: field-V01-00-00, geomsolids-V01-00-00,
235                      geommng-V01-00-00 and geomvol-V01-00-00.
236
237Changes are now documented in the individual sub-category History files.
238------------------------------------------------------------------------
239
240Nov  10,  99   John Apostolakis              geometry-V00-01-01
241
242   geomsolids-V00-01-03
243      which includes the following sub-tags:
244        geom-solids-csg-01-00-02-cand
245        geom-solid-bool-V00-01-03b
246        breps-V00-01-00
247        stepinterface-V00-01-00
248
249   geomvol-01-01-01b
250
251   geommng-V00-01-01
252
253   field-V00-01-02   
254
255===============================================================================
256  Geant4 1.0  , 1st STL-based release.
257===============================================================================
258June  7,  99   John Apostolakis              geometry-01-00-06
259
260- Tagged.
261
262June  7,  99   D. C. Williams
263 CSG Pcon/Pgon (and supporting classes) :  several changes
264
265June  4,  99   S. Giani
266 G4Trap                 : CalculateExtent fix
267 G4SmartVoxelHeader.cc  : protection against inconsistent CalculateExtent
268
269May  21,  99   John Apostolakis              geometry-01-00-05
270- Tagged.
271
272May  20,  99   S.Giani, S.Magni
273
274  Fixes in BREP  Line, & (PCone, FCylindrical/FConical surf) respectively
275  For more details see solids/BREP/History
276
277  Also see changes mentioned in solids/CSG/History for CSG Pcon/Pgon
278
279May  19,  99   Frank  Behner
280 
281  Volumes: Further minor fixes for STL.
282
283May  12,  99   John Apostolakis              geometry-01-00-04
284
285- Tagged.
286
287May  12,  99   Simone Giani
288  Fixes to G4BREPSolidPolyhedra and G4FPlane.
289
290May  10,  99   Frank  Behner
291  Changes in RW use for compatibility with RW/STL in
292        management/src/G4PhysicalVolumeStore.cc 
293        management/src/G4LogicalVolumeStore.cc
294  modifying  "delete first();" to "removeFirst();"     
295
296May   7,  98   John Apostolakis
297
298  Changed G4Navigator to issue warning in the case of small inaccuracies
299   & cause fatal exception only for large deviations.
300
301May   3,  99   John Apostolakis              geometry-01-00-03
302
303 Minor fixes
304    In CSG solids:  Cons & Tubs  minor, and in PCon/PGon
305    For STL migration: PV-vol-store, NavLevel   (Frank Boehner)
306
307Apr  19,  99   John Apostolakis              geometry-01-00-02
308
309 Small fixes to solids: consistency fix for CalculateExtent & tolerance
310
311 CodeWarrior fixes (some) to magneticfield
312
313
314Apr  15,  99   John Allison
315
316   Added -I$(G4BASE)/intercoms/include to BREPS, Boolean abd CSG GNUmakefiles
317            in preparation for move of G4VGraphicsScene to intercoms.
318
319Mar  19,  99   John Apostolakis              geometry-01-00-01
320
321 Category tag using:
322   solids:       [tag geomsolids-01-00-01]
323   volumes:      [tag geomsolids-01-00-01]
324   management:   [tag geommng-01-00-02 ]
325   magneticfield [tag field-01-00-03]
326
327Mar  19,  99   John Apostolakis
328
329 Summary of significant changes in sub-categories/sub-directories
330   management:   [tag geommng-01-00-02 ]
331      G4AffineTransform.icc InverseProduct fix (used in Navigator).
332
333   [....  Add information here .... ? ]
334
335Jan  15,  99   John Apostolakis   
336
337   Fixes in CSG solids (Cons by V.Grichine, CSG Pcone+Pgon by D.C.Williams)
338
339Jan  15,  99   Simone Giani      ( rec by JA. )
340   Fixes in the creation of Smart Voxels:
341
342   Less memory intensive and much more performant at initialisation.
343   No worse, but a little faster at tracking time.  (G4SmartVoxelHeader)
344
345Jan  10,  99   John Apostolakis   ( geometry-01-00-01 to be done)
346                                    geometry as in geant4-00-patch2
347
348   Fixes in BREPs (Pcone, Pgon, ...)  see solids/BREPS/History
349   includes the subtags
350
351      stepinterface-01-00-01     
352      step-01-00-01
353
354===============================================================================
355  Geant4.0.0  , 1st production release.
356===============================================================================
357
358Dec  11,  98   John Apostolakis   geometry-00-04-04
359
360   Fixes in BREP Pcone, Pgon
361            new csg versions of above too.
362
363
364Dec   9,  98   John Apostolakis   geometry-00-04-03
365
366   Fixes for
367
368     - BrepPCone in constructor, FPlane, Cylindrical, Conical surfaces.
369                       Ellipse and others.
370
371     - Navigator for Replica Navigation (edges).
372
373     - STEPinterface : several creators
374
375
376Dec   1,  98   John Apostolakis   geometry-00-04-02
377
378   New code in solids/CSG (other implementation of Pgon, Pcon - not exercised)
379
380Dec   1,  98   John Apostolakis   geometry-00-04-02minus
381   Fixes in Boolean/src             portability
382            BREPS/src               logical problems (bPcone, ConeSurf, Plane)
383           
384   Added History files in subdirectories.
385
386
387Nov  27,  98   John Apostolakis   geometry-00-04-01
388
389   Fixes in Boolean/src             code: logical fixes
390            magneticfield/include   interface problem
391                          src       printing in propagator (debug)
392            Breps                   renamed methods (from compiler warnings)
393                                    + several fixes: Fplane, BREPSolid, Cylinder
394            volumes/NormalNav       stores Copy No
395            management              no changes - but fixed versions (now head)
396
397=======
398Nov  19,  98   John Apostolakis   geometry-00-03-10
399
400 - Fixes from Lionel in BREPS/STEP/STEPinterface
401
402 - management/include/G4LogicalVolume.icc
403    Deleted and readded same version to get CVS to see it on the head.
404
405
406Nov  19,  98   John Apostolakis   geometry-00-03-09
407
408 - Added field-00-03-03
409     (it fixes propagation and several steppers)
410
411Nov  13,  98   John Apostolakis   geometry-00-03-08
412
413 - Added  ???
414
415----------------------------------------------------------------------
416Nov  12,  98   John Apostolakis   geometry-00-03-07
417
418 - Tagged for the STT.
419
420 - solids-00-03-02:
421    i) New directory finally included:
422        solids/Boolean 
423       As in geometry-00-03-03 with minor change/fix.
424
425   ii) Fix in solids/CSG/src/G4Sphere.cc (V. Grichine).
426
427 - field-00-03-02
428     Many changes in Magnetic field to accomodate Electric Field.
429
430  Still does not contain the fixes in geometry-00-03-03 (and later) in the
431   following directories:
432     BREPS,
433     STEP,
434     STEPinterface
435----------------------------------------------------------------------------
436
437Nov   9,  98   John Apostolakis   geometry-00-03-06
438
439 - Tagged for the STT.
440
441  Includes reorganisation of volumes
442
443  Still does not contain the fixes in geometry-00-03-03 (and later) in the
444   following directories:
445       BREPS, STEP, STEPinterface,
446       >all< of solids/Boolean
447
448----------------------------------------------------------------------
449
450Oct  30,  98   John Apostolakis   geometry-00-03-03 -- NOT TESTED --
451
452  New Boolean directory.
453
454  Many fixes in BREPS:
455     Deleted StepCopyData from all classes.
456     Replaced G4Point, Point3d and Point2d with G4Point3D
457     Fixes to BREPSolid for BoundingBoxes
458
459----------------------------------------------------------------------
460
461Sept 23rd, 98  John Apostolakis
462
463  G4Box:  Changed DistanceToIn to fix new problem.
464
465  G4ParameterisedNavigation
466  G4VoxelNavigation
467          Fixed VoxelSafety computation for the case of the middle voxel of
468       a set of equivalent (lowest-level) voxels.
469
470Sept 17th, 98  John Apostolakis    geometry-00-03-01
471
472 Tag created.
473
474Sept 15th, 98  John Apostolakis
475
476 In G4ParameterisedNavigation
477
478   i) Corrected ComputeSafety(...) which called ComputeVoxelSafety without
479     setting the fVoxelNode & fVoxelNodeNo to the ones at localpoint.
480
481     [ This produced incorrect safeties in some cases & resulted in an
482      assertion failure in testT08 because of an unexpected change of volume. ]
483
484  ii) ComputeStep: Fixed assertion check of blocked replica number.
485
486
487Aug  24th, 98  John Apostolakis  geometry-00-02-01
488
489  Tagged.
490  Small fixes in BREPS, to allow compilation on different platforms.
491
492
493==============================================================================
494beta01 release
495==============================================================================
496July 31st, 98  Peter Urban
497
498  Several fixes for BREPS.
499
500
501July 29th, 98  John Apostolakis  (with Stefano Magni)
502
503 G4BREPSolidPCone.cc : Cylindrical sections were incorrectly placed.
504
505 G4ConicalSurface.cc
506 G4CylindricalSurface.cc:
507
508    The Inside functions are modified to try to use the Geant-4 tolerance.
509     --> must be checked further
510       [ The method is used by Intersect of respective surfaces in a
511         complicated manner. ]
512
513 G4FConicalSurface.cc
514   - Fix to Bounding Box, which was incorrectly centered/placed.
515   - Fix to Intersect, to insure that only intersection in Finite extent of
516      Surface are found.
517
518
519July 28th, 98  John Apostolakis 
520
521   In the Navigator location, the blocked Volume was not cleared when the
522navigator descended several levels in the tree. This would allows the same in another part of the tree to be wrongly blocked.
523
524   In G4ParameterisedNavigation, the identity of the blocked Physical Volume
525was not checked! You would block replica number 3 of your parameterised volume
526although you exited replica number 3 of another volume!
527
528 The above problems combined to allow BlockingList to be
529called with replicaNo = -1, which caused Linux/G++ & HP to dump core
530on program exit.
531
532 Modified Files:
533    G4Navigator.cc
534    G4ParameterisedNavigation.cc
535
536 An assignment used to be an equality check by mistake. (Probably it was ok
537because it is redundant)
538
539 Modified Files:
540        G4VoxelNavigation.cc
541
542
543July 23rd, 98  John Apostolakis
544
545
546 
547June 26th, 98  John Apostolakis  geometry-00-06-05
548
549  1)  Modified check in ComputeStep that pseudo-relocation is within safety:
550     i) no check is made is the move is within tolerance as it makes no sense
551         - on a boundary it would cause a volume change (where there was none.)
552    ii) the Navigator now stores the last safety it calculated (origin, value)
553         and uses it for the calculation of this check.
554        This eliminates problems with this check, that produced assertion
555         failure in many example codes.
556
557  2) NavigationHistory equality operator modified for efficiency (with P.Urban)
558
559  3) G4Box     Problem in DistanceToIn reporting intersection where there was
560               none has been given a more complete solution (V.Grichine)
561     G4Sphere  Exception problem fixed.  (V.Grichine)
562
563
564June 20th, 98  John Apostolakis  geometry-00-06-04
565
566  1) I have added a check that any pseudo-relocation made between a
567 call to Locate (the true Relocation) and the next call to ComputeStep
568 (eg in a PostStepDoIt) is truly within safety.
569
570  2) The Navigator's ComputeStep method now always returns infinity, when it
571   does not limit the step
572
573  3) G4Tubs.cc: Fixed surface normal (in R) which was not a unit vector.
574
575
576June 18th, 98  John Apostolakis 
577 
578 In the Navigator:
579    1) Fix to allow lateral displacement (within safety) in PostStepDoIts
580   without messaging the Navigator. 
581    2) A first implementation of LocateGlobalPointWithinVolume
582
583 A fix in NormalNavigation's Compute Step, to allow volumes that are "touched"
584   to be tagged as entered.  (Ie, if the step is just long enough to arrive at
585   the surface of a volume, the navigator can still enter it quickly.)
586
587
588June 12th, 98   John Apostolakis (geometry-00-06-03)
589
590 Candidate fix to BREP PCone, constructing Conical Surfaces using different
591  starting point.
592
593 Fix to ReplicaNavigation to temporarily patch "assertion" problem.
594
595
596June 10th, 98  John Apostolakis  (geometry-00-06-02)
597
598 Added a new CSG Solid (G4Hype), a Hyperboloid by rotation       
599
600 Bug fix to G4Box::DistanceToIn (which reported intersection where there
601                                 was none).
602 Bug fix to G4FConicalSurface and G4ConicalSurface to fix G4BREPSolidPCone.
603 Correction to  to DistanceToOut of BREPSolid to ensure compatibility with
604   convexity assumptions of Navigator
605
606
607June  8th, 98  John Apostolakis  (geometry-00-06-01)
608
609 Created a tag for BREPS at the last point before merge with Peter's Developments.
610
611 Modified
612    G4Navigator       and
613    G4NormalNavigation   G4ParameterisedNavigation
614    G4ReplicaNavigation  G4VoxelNavigation
615
616  to add ComputeSafety methods. These make a quick estimation of the
617 safety and can/should be called for the final point of a step only.
618
619
620June  3rd, 98  John Apostolakis
621
622 G4Navigator:
623
624    Added a new new method LocateGlobalPointWithinVolume that serves to notify
625  the Navigator that a track has moved to the new Global point 'position'.
626  This point must be known to be within the current volume, probably because it
627  is withing safety.
628
629May   11th, 98  John Apostolakis
630
631  G4PVPlacement:
632    - Implemented additional (4th) constructor that takes a pointer to a
633       logical mother volume and a G4Transform3D with the solid's rotation.
634    - Also added a data member to store whether a RotationMatrix was created.
635       This allows us to avoid a small memory leak in use of 2 constructors.
636
637May    8th, 98  John Apostolakis
638
639-  History files created in magneticfield directory for this category.
640    It will be used exclusively for the maintenance of information in
641    this category. Only what impacts its interaction with the geometry
642    (G4PropagatorInField) will be mentioned here.
643
644-  History file  has existed in solids/BREPS for slightly more detailed
645    changes in that sub-category.
646
647
648April 29th, 98  John Apostolakis  (geometry-00-05-05)
649
650-  A significant logical error in G4VoxelNavigation::LocateNextVoxel was
651  corrected: the search for the next voxel could ignore voxels at lower levels
652
653-  Small changes for DEC in GNUmakefile in BREPS & STEP
654   * Removed -cfront option from GNUmakefile for DEC. -cfront
655      overrides ANSI standard rules in cxx-6.0.
656   * Cleaned up trivial warnings on DEC (Extraneous semicolons).
657
658
659April 27th, 98  John Apostolakis  (geometry-00-05-04)
660
661- Tagged
662
663April 24th, 98  Jari Sulkimo       ( recorded by John Apostolakis here)
664- Fixes in BREPs (see solids/BREP/History for details, by author)
665   * fixed scope bugs in for loops
666   * bug fixes to G4Assembly.cc for STEP file interaction & placed solids
667     creation.
668
669April 23rd, 98  John Apostolakis  (geometry-00-05-03)
670
671- Bug fixes to BREP code for Assembly level of STEP files
672 (introduced in alpha05)
673
674- Renamed file G4Point3d.hh to G4Point3d.h (because of problems
675  on Windows NT in name clash with G4Point3D.hh).
676
677
678April 22nd, 98  John Apostolakis  (geom-05-02)
679- Tagged.
680
681April 21st, 98  John Apostolakis  (geometry-00-05-01)
682- Added SetAllParameters methods to G4Torus and G4Para.
683- All CSG solids now inherit from the new abstract class G4CSGSolid, instead
684of directly from G4VSolid.
685- "const G4double" arguments have been changed to "G4double" for CSG methods.
686
687April 21st, 98  John Allison
688- Slightly relaxed tolerance in G4Trap (for g3tog4).
689- Corrected G4BREPSolidPolyhedra.cc for graphics_reps/G4Polyhedron.
690- Added void G4Trd::SetAllParameters.
691- Also relaxed check in G4Trd::CheckAndSetAllParameters (pdx1>=0, etc.)
692
693April 2, 98 G.Barrand
694- STEP/dirobj.cc : #ifdef WIN32, do not compile opendir and closedir.
695
696March 24, 98 G.Barrand
697- GNUmakefile : MAKESHLIB changed in G4MAKESHLIB
698
699March 13, 98   G.Cosmo (on behalf of S.Giani) - (geometry-00-04-05)
700
701- Added G4VPVParameterisation.cc including default implementations
702  of ComputeSolid() and ComputeMaterial() missing previously (J.Apostolakis).
703- Included fixes for aCC compiler in BREPS and STEP (J.Sulkimo, G.Cosmo).
704
705
706March  9, 98  J. Apostolakis - (geometry-00-04-04)
707
708- Small fix to G4BREPSolid.cc which was causing problems on HP-UX.
709  (Deleted use of floating point modulo for integers, with Jari S.)
710
711- G4Sphere:    further small corrections.
712
713
714March     5, 98    J. Apostolakis - (geometry-00-04-03)
715
716- Parameterised Volume can now VARY the TYPE of SOLID and/or Material
717   by copy number.  PVParameterisation classes can now compute these.
718   The Navigator has been modified to compute solid and material, and
719   to set them in the associated logical volume
720
721- Now able to process an extra level of STEP files, using new code in
722    BREPs  (Jari Sulkimo).
723
724- Further cleanup of code in BREP category  (Peter Urban).
725
726- Small modification in solids/STEP/GNUmakefile for Win/NT port (S. Sadilov).
727
728
729March     4, 98    J. Apostolakis - (geometry-00-04-02)
730
731- G4Sphere: corrected tests of the phi angle and with tolerance checking
732that compared squares of distances.
733
734- The World volume can now be split into replicas. This not recommended, but
735the Navigator is now able to handle it.
736
737- Cleanup of code in BREP category (Peter Urban & Jari Sulkimo)
738
739
740February 16, 98    J. Apostolakis - (geometry-00-04-01)
741
742- Replicas and parameterised physical-volumes now store the copy number of
743their current copy. (It is valid only for physical volume in the hot tree).
744Navigation routines were modified to enable this.
745
746
747February  4, 98    J. Apostolakis - (geometry-00-03-02)
748
749- A few small changes were made to the Magnetic Field classes.
750This included one that allows it to work without repeatedly
751issuing an unneccessary warning. 
752
753- Small fixes to BREP and STEP parts help in fixing a problem
754with True/false on some platforms.
755
756January 28, 98 S. Sadilov
757- Small modification in GNUmakefile for Win/NT port
758
759
760January  26, 98    J. Apostolakis - (geometry-00-03-01)
761
762i)  New implementation of G4NavigationHistory using G4NavigationLevel.
763This implementation allows for very fast copying of G4NavigationHistory,
764which is required in order to copy G4TouchableHistory.
765
766ii) Correction in G4ReplicaNavigation.cc in DistanceToOutPhi, influencing
767replicas divided in phi.
768
769
770December 19, 97 G. Cosmo - (alpha03)
771
772- Created.
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