source: trunk/source/visualization/OpenGL/History~ @ 1358

Last change on this file since 1358 was 1350, checked in by garnier, 14 years ago

update to last version 4.9.4
File size: 41.2 KB
Line 
1$Id: History,v 1.195 2010/12/27 12:57:43 allison Exp $
2-------------------------------------------------------------------
3
4     =========================================================
5     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
6     =========================================================
7
8           Category History file for visualization/OpenGL
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
2027th December 2010  John Allison  (opengl-V09-04-00)
21- Tagged.
22
2311th December 2010  John Allison
24- Fixed some Coverity warnings.
25
2613th November 2010  John Allison  (opengl-V09-03-10)
27- Tagged.
28
2910th November 2010  John Allison
30- G4OpenGLStoredSceneHandler.cc: Added commented out debug lines.
31- G4OpenGLStoredSceneHandler.hh: Corrected misleading comment lines.
32- G4OpenGLXViewer.cc: Protected output with G4VisManager::GetVerbosity.
33
348th November 2010  John Allison  (opengl-V09-03-09)
35- G4OpenGLStoredSceneHandler:
36  o Removed fDisplayListBase (not needed; display list ids ARE re-used).
37  o Improved display list limit message.
38
397th November 2010  John Allison
40- G4OpenGLViewerMessenger.cc: Improved messages.
41
426th November 2010  John Allison
43- G4OpenGLViewerMessenger.cc: displayListLimit>=10000.
44- G4OpenGLStoredSceneHandler:
45  o Made all display list management variables static.
46  o Bug fix: reset fMemoryForDisplayLists flag.
47
485th November 2010  John Allison
49- G4OpenGLStoredSceneHandler, G4OpenGLViewerMessenger:
50  o Introduced a display list limit to avoid memory exhaustion.
51  o Introduced /vis/ogl/set/displayListLimit.
52
538th October 2010  Laurent Garnier
54- G4OpenGQtViewer.cc:
55  o Add menu for changing text color, default color, background color
56  o Toogle projection now call directly command instead of redefinding it
57
586th October 2010  John Allison  (opengl-V09-03-08 with co-working tags...)
59- Co-working tags: interfaces-V09-03-12 + config-V09-03-08
60- G4OpenGLStoredViewer.cc:
61  o Added default colour and default text colour to list of parameters
62    that trigger a kernel visit.
63
645th October 2010  John Allison
65- G4OpenGLStoredViewer.cc: Time-slices fade to background colour.
66
675th October 2010  Laurent Garnier
68- Change lots of shortcuts in Qt
69- Add 'google earth like' rotation
70
7123th June 2010  Laurent Garnier
72- G4OpenGLImmediate/StoredQtViewer : Fix compilation warnings
73- G4OpenGLQtViewer : Add protection on Vis Tab without UI Qt
74
754th June 2010  Laurent Garnier (opengl-V09-03-07)
76- G4OpenGLImmediate/StoredQtViewer : Add protection against multiple
77  repaint call. Add protection against resizeGl with bad values
78
793rd June 2010  John Allison  (opengl-V09-03-06)
80- G4OpenGLImmediateSceneHandler: Re-instate
81  // Make sure screen corresponds to graphical database...
82  if (fpViewer) {
83    fpViewer -> SetView ();
84    fpViewer -> ClearView ();
85    fpViewer -> DrawView ();
86  }
87  I was wrong - it *is* necessary.  If not there, events are not refreshed.
88  So this and similar changes below are all back to geant4-09-03, including
89  glFlush, which is still a big performance penalty on Mac's Snow Leopard.
90
913rd June 2010  John Allison  (opengl-V09-03-05)
92- Restored following files to geant4-09-03 in interests of stable behaviour:
93  o G4OpenGLStoredSceneHandler.cc
94    Restored code removed in opengl-V09-03-03:
95  // Make sure screen corresponds to graphical database...
96  if (fpViewer) {
97    fpViewer -> SetView ();
98    fpViewer -> ClearView ();
99    fpViewer -> DrawView ();
100  }
101  o G4OpenGLStoredXViewer.cc:
102    Restore to geant4-09-03.  Restored code removed in opengl-V09-03-03:
103      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
104        DrawDisplayLists ();
105        FinishView ();
106- Note: G4OpenGLImmediateSceneHandler: Same code commented out.  I think
107  it's not necessary for immediate mode.
108
10930th May 2010  John Allison  (opengl-V09-03-04)
110- G4OpenGLSceneHandler: Added AddCompound(const G4VDigi&).
111
11229th May 2010  John Allison  (opengl-V09-03-03)
113- G4OpenGLImmediateSceneHandler.cc, G4OpenGLStoredSceneHandler.cc:
114  Removed the following from ClearTransientStrore (was causing
115  unnecessary drawing and flipping buffers?):
116  // Make sure screen corresponds to graphical database...
117  if (fpViewer) {
118    fpViewer -> SetView ();
119    fpViewer -> ClearView ();
120    fpViewer -> DrawView ();
121  }
122- G4OpenGLStoredXViewer.cc:
123  Commented out as follows in DrawView (was causing extra buffer swap,
124  thus showing bad picture; can't recall why it was introduced):
125      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
126        //DrawDisplayLists ();  ????????? (JA)
127        //FinishView ();        ????????? (JA)
128
12926th May 2010 Laurent Garnier  (opengl-V09-03-02)
130 - G4OpenGLQtViewer : Some improvments with auto rotation mode.
131
13220th May 2010 Laurent Garnier  (opengl-V09-03-01)
133 Co-working tag : intercoms-V09-03-01, interfaces-V09-03-02
134 - GNUMakefile, G4OpenGLQtViewer : Better inclusion of new tabs in UI part
135
13611th May 2010  John Allison  (opengl-V09-03-00)
137- G4OpenGLSceneHandler:
138  o Use generic section and cutaway algorithm.
139  o Follow change in generic section and cutaway interface.
140- G4OpenGLViewer.cc:
141  o Use generic section and cutaway algorithm.
142  o Fix compiler warning (*p++).
143  o Replace strdup by local inline code.
144
14529th April 2010 Laurent Garnier
146 - G4OpenGLSceneHandler : Speed Improvment by drawing vector of
147   markers instead one by one
148
14927th April 2010 Laurent Garnier
150 - G4OpenGLStoredXmViewer : remove viewer form list at destruction
151 - G4OpenGLViewer : Fix a problem when printing in gl2ps
152
1539th March 2010 Laurent Garnier
154 - G4OpenGLViewer : Fix clipping when resizing non square size windows
155   Remove error message when no scene present.
156 - G4OpenGLImmediateQtViewer, G4OpenGLStoredQtViewer :
157    - Add some protections if viewer is in tab
158    -  fix some redraw probems when focus was outside frame
159    - Add ShowView() and paintEvent() methods
160    - DrawView method is now the same in Store and Immediate mode
161 - G4OpenGLQtViewer : Add things for viewer in tabs
162
1633rd March 2010 Laurent Garnier
164- G4OpenGLViewer : Add protection against null pointer scene
165
16627th January 2010  Gabriele Cosmo
167- Fixed compilation warnings on G4OpenGLQtViewer and corrected compilation
168  error when using Qt-3.
169
1706th January 2010  Laurent Garnier (needs interfaces-V09-02-07 + laurent-QtUI_with_tabs_v1)
171- GNUMakefile : Add include for interfaces/basic
172- G4OpenGLQtWiewer : Integration into QtUI Tab
173
17417th November 2009  John Allison  (opengl-V09-02-10)
175- Tagged for vis tag.
176
17717th November 2009  Gabriele Cosmo
178- Fixed problem in the generation of dependencies on Windows for some
179  files, due to redefinition of min and max macros from windows.h in
180  G4OpenGL.hh.
181- Fixed GNUmakefile.
182
1833rd November 2009  John Allison  (opengl-V09-02-09 coworks greps-V09-02-03)
184- Tagged for system testing.
185
1863rd November 2009  Laurent Garnier
187- G4OpenGLImmediateQtViewer, G4OpenGLStoredQtViewer : Protec Qt4 method
188  introduce 13rd october 09 by ifdef
189
1903rd November 2009  John Allison
191- G4OpenGLXmPanningCallbacks: Fixed pView compilation problem.
192
19321 October 2009 Laurent Garnier
194 -  G4OpenGLQtViewer : Prepare to attach viewer In UI
195
19621st October 2009  John Allison  (opengl-V09-02-08 coworks greps-V09-02-02)
197- Added default AddCompound (const G4THitsMap<G4double>&) methods.
198  o Prevents warnings about hiding - calls G4VSceneHandler base class.
199
20015 October 2009 Laurent Garnier
201 - G4OpenGLViewer.cc : Fix a problem with printing. On mac OSX version
202   > 10.5.7? or Ubuntu > 9.04? AND with user account configure in french
203   (or canadian I believe), the decimal point character was defined by
204   "," (see LC_NUMERIC). This cause a problem on reading eps files.
205   Changed "," to "."
206
20713 October 2009 Laurent Garnier
208 - G4OpenGLImmediateQtViewer/StoredQtViewer : some cleaning
209 - G4OpenGLImmediateQtViewer : Remove picking to true at initialisation
210 - G4OpenGLQtViewer.cc : Fix a redraw problem on mac OS X 10.6
211 - G4OpenGLStoreQtViewer.cc,G4OpenGLImmediateQtViewer.cc : Fix width()
212   and height() problem on mac OS X 10.6
213
21429 September 2009  John Allison  (opengl-V09-02-07)
215- Tagged.
216
21718 August 2009 Laurent Garnier
218 - G4OpenGLXmViewer : Fix a wrong initialization introduce by the
219   new way of handling window size hints (January 2009)
220
22129 July 2009, Laurent Garnier
222 - G4OpenGLQtViewer : Ensure the GL frame size will be correct
223   by setting a 0 size margin around
224
22527 July 2009, Laurent Garnier
226 - G4OpenGLStoredQtViewer : Remove picking to true at initialisation
227
22820 May 2009, Laurent Garnier (opengl-V09-02-06)
229 - Fixed compilation errors on WIN32-VC for WIN32 specific drivers.
230
23118 May 2009, Joseph Perl (opengl-V09-02-05)
232 - Correct G4OpenGLViewerMessenger.hh
233
23414 May 2009, Laurent Garnier (opengl-V09-02-04)
235 - G4OpenGLViewer : Add methods to manage print size and filename
236 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printSize
237 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printFilename
238 - G4OpenGLQtViewer.cc,G4OpenGLXmMainMenuBarCallback.cc, renaming
239   according to first point.
240
24113 May 2009, Laurent Garnier
242 - G4OpenGLStoredQtViewer.cc: Fix a second view redraw at ShowView() call
243 - G4OpenGLQtViewer : Remove unuseful variables, renaming others
244 - G4OpenGLViewer : Add method for resizing properly windows. Add methods
245   to get window width, height and to know if size has changed
246 - G4OpenGLQtViewer, G4OpenGLStoredQtViewer, G4OpenGLImmediateQtViewer,
247   G4OpenGLXmViewer, G4XmWindowsHandlingCallback, G4OpenGLXViewer :
248     Apply the previous changes.
249
2506 May 2009, Laurent Garnier
251 - G4OpenGLQtViewer.cc: Fix compilation warning and error with gcc4.4
252
25328th April 2009, John Allison
254 - G4OpenGLViewerMessenger.cc: Added return statement at end of every
255   "if (command == ..." statement.  (Because of test for OGLS, it is
256   not elegant to use "if...else if...else" structure.)
257
25828th April 2009, Laurent Garnier
259 - G4OpenGLXViewer,G4OpenGLViewer : End of moving printEPS and associated
260   functions from GLXViewer to GLViewer.   
261 - G4OpenGLXViewer :
262   - Remove debug methods
263   - Add check in SetView() method
264 - G4OpenGLViewer : Add a glReadBuffer before glReadPixel in grabPixel method
265
2668th April 2009, Laurent Garnier
267 - G4OpenGLBitmapStore.hh : BugFix correction for windows (introduce 2nd February ?)
268 - G4OpenGLViewer.hh : move methods in private
269 - G4OpenGLXViewer.hh : Add debug methods
270 - G4OpenGLImmediateXmViewer.cc, G4OpenGLStoredViewer.cc, G4OpenGLStoredXmViewer.cc,
271   G4OpenGLStoredXViewer.cc, G4OpenGLViewer.cc   : Add debug messages
272 - G4OpenGLStoredXmViewer.cc,G4OpenGLStoredXViewer.cc, G4OpenGLStoredWin32Viewer.cc :
273   - Add a DrawDisplay list in case of KernelVisit=1 and  nothing new to display.
274   - Add a flush at the end of the view.
275 - G4OpenGLViewer.cc :
276   - Improve the fix and resizing when X/Y size was even (lack of precision
277     in a /2)
278   - Set line/point size at a default size when printing.
279 - G4OpenGLXmWindowsHandlingCallbacks.cc : print method rename in printEPS
280 - G4OpenGLXViewer.cc : Lot of changes, try to debug it. Pb when printing in pixmap
281   mode on some windows size
282
2836th April 2009, Joseph Perl (opengl-V09-02-02, then opengl-V09-02-03)
284 - New tag to clean up all of the cases of files that changed only in the cvs id.
285
28624th March 2009, Laurent Garnier (opengl-V09-02-01)
287 - G4OpenGLViewer : Add a fix and resizing when X/Y size was even (lack of precision
288   in a /2)
289
29018th March 2009  John Allison
291- G4OpenGLViewerMessenger.cc: printMode and transparency are available
292  for all OGL windows (they were previously inadvertently hidden by
293  an OGLS requirement).
294
29516th March 2009, Laurent Garnier
296 - G4OpenGLViewer : Add a check on max viewport dimensions when setting size.
297
2984rd March 2009, Laurent Garnier
299 - G4OpenGLQtViewer:
300   - Suppress some warnings when saving file
301   - Changing size is now allowed when saving (to save with better resolution than screen size)
302 - G4OpenGLViewer:
303  - Some renaming for print methods to be more clear about Vectored and non Vectored
304  - Now using Gl2PS method to do PS (changes also in G4OpenGLXViewer and G4OpenGLQtViewer)
305  - Suppress unuseful printX methods (heritated form XViewer)
306  - Add methods to handle printVectored and NonVector cases
307 - G4OpenGLViewerMessanger : Changes methods to get new G4OpenGLViewer methods to print
308
3091st March 2009, Laurent Garnier
310 - Remplacing glBitmap by GL_POINTS to draw marker : Speed improvment
311  and gl2ps can now draw Markers.
312
31316 February 2009, Laurent Garnier
314 - Modifications in GNUMakefile for gl2ps.
315 - G4OpenGLViewer,G4OpenGLViewerMessenger.cc,G4OpenGLXmMainMenubarCallbacks.cc
316   ,G4OpenGLXmViewer.cc modified for gl2ps and some renaming "print" in
317   "printVectoredEPS"
318
3192nd February 2009  Laurent Garnier
320- Improve Anticipate headers declaration in all files
321- Factorize grabPixels function in G4OpenGLViewer
322- Begin of refactoring printEPS function
323
32422th January 2009  Laurent Garnier
325- Fix bug in ratio and geometry on X/Xm/Qt/Win32 viewers
326
32719th January 2009  Laurent Garnier
328- Change G4DEBUG definition by G4DEBUG_VIS_OGL
329
33012th January 2009  John Allison
331- G4OpenGLViewer.cc: Pick up X and Y window size hints to define viewport.
332
3332 December, Laurent Garnier
334 - G4OpenGLImmediateXmViewer,G4OpenGLStoredXmViewer,G4OpenGLXmViewer
335   G4OpenGLImmediateXViewer, G4OpenGLStoredXViewer, G4OpenGLXViewer,
336   G4OpenGLXmWindowHandlingCallbacks,
337   G4OpenGLImmediateQtViewer.cc, G4OpenGLStoredQtViewer, G4OpenGLQtViewer
338   G4OpenGLImmediateWin32Viewer.cc, G4OpenGLStoredWin32Viewer, G4OpenGLWin32Viewer
339   ->  Replace WinSize by fWinSize and some improvments about size initialization
340
341 - G4OpenGLQtViewer.hh : Suppress WinSize private variable
342 - Now Could pass XString like 400x600-0+0 to viewers and set position and location. It
343   will work for Qt, X, Win32 for the moment.
344
34524 October, Laurent Garnier (opengl-V09-01-03)
346 - Change GEANT4_QT_DEBUG flag by QTDEBUG
347 - Suppress unuseful DEBUG messages
348
34912th October Laurent Garnier
350 - G4OpenGLQtExportDialog : improvments for Qt3"
351 - G4OpenGLQtViewer,G4OpenGLImmediateQtViewer,G4OpenGLStoreQtViewer : Add the name on OpenGlQt viewers
352 - G4OpenGLStoredQtViewer,G4OpenGLImmediateQt, G4OpenGLStoredQt : Change OGLSQT and OGLIQT by OGLSQt and OGLIQt
353
3542 October Laurent Garnier
355 - Fix a crash when there was no scene.
356
35728 July Laurent Garnier
358 - Fix a bug in XmRotation panel introduce in last commit by myself.
359
36020th June 2008  Laurent Garnier
361 - Correct some warnings
362 - Move rotation code of Xm and Qt in G4OpenGLViewer::rotateScene. Same code in now shared
363
36412th June 2008  Laurent Garnier
365 - Emit signals when moving/rotate scene, in order to get them in external app
366
36728th Mai 2008  Laurent Garnier
368 - Add mouse wheel zoom commands
369
37028th April 2008  Laurent Garnier
371 - Add better moc control/compilation step in GNUmakefile
372 - Fix a problem when launching QT VIS without QT UI (N02 for example)
373
37428th April 2008  John Allison  (opengl-V09-01-02)
375- G4OpenGLStoredSceneHandler: Tidied constructors of nested classes.
376
3774th April 2008  John Allison  (opengl-V09-01-01)
378- Fixed DBL_MAX problem in 2D drawing:
379  o changed G4OPENGL_DBL_MAX to G4OPENGL_FLT_BIG.
380- Fix gcc-4.3.0 compiler warnings.
381
38211th March 2008, Laurent Garnier
383 - Resolve QT3 compilation errors
384
38510th March 2008, Laurent Garnier
386 - Add a dialog panel to make movies (Right button->Actions->Movie parameters)
387 - Add ability to "auto rotate" volume launched with quick mouse move
388 - Lots of improvments for Qt3
389 - Improvments on moving steps with shortcuts
390 - Could now select between orthogonal/perspective view mode
391
3921st February 2008  John Allison
393 - G4OpenGLQtViewer.cc: Fix #ifdef QT protection.
394 - G4OpenGLSceneHandler.cc: Small improvement to logic of setting GL_LIGHTING.
395
39630th January 2008, Laurent Garnier
397 - Add moving camera on left/right/up/down arrown, going forward/backward
398   on SHIFT+up/down, zoom in with +/- keys
399 - Add a context menu entry for projection perspective/orthographic
400 - Fix some bugs on windows in export dialog
401
40215th January 2008, Laurent Garnier
403 - Fixed some layout problems on export dialog box
404 - Some improvements on exports formats
405 - Fix a bug in the help command : The clic callback on a item was not
406   working on windows
407 - Fix a crash at exit when launched on a MAC.
408 - EPS export format is now ready for Qt3
409 - Add Vectoriel EPS export format
410 - Fix an aspect ratio deformation when resize the widget
411 - Fix a crash at launch with leopard
412 - When selecting the "move" mouse action, this action was set even when
413   mouse button was released. Fixed : Now we should clic to have the move action
414 - GNUmakefile : Added a macro for moc file
415 - Moc files : Suppression of all theses files. They are now autogenerated
416   thanks to config/common.gmk
417
4184th January 2008  John Allison  (opengl-V09-01-00)
419- Implemented extended 2D interface.
420
42130th November 2007  Laurent Garnier
422- Improvements for Qt3
423- moc files : Adding other versions for QT_MOC_REVISION 28,58 and
424   59, but this is not the right solution..
425
42619th November 2007  Joseph Perl (for Laurent Garnier) (opengl-V09-00-04)
427- Added GEANT4_QT_DEBUG flag to more places
428
42915th November 2007  John Allison  (opengl-V09-00-03)
430- Re-introduced Qt files, now properly protected by cpp flags.
431- cpp flags also added to some other files not previously properly protected.
432
43315 Nov 2007, Laurent Garnier
434 - G4UIQt,G4Qt : Adding a GEANT4_QT_DEBUG flag to hide all debug messages
435 - G4UIQt,G4Qt : Compilation improvements for Qt3
436 - G4UIQt,G4Qt : Minors corrections on G4UIQt helpWidget
437
43814 Nov 2007, Laurent Garnier
439 - G4OpenGLStoredQtViewer.cc : Correction of a bug with mouse move event in
440     Qt4
441 - G4OpenGLQtExportDialog_moc.cc, G4OpenGLQtViewer.cc, G4OpenGLQtViewer_moc.cc :
442     Adding protection for Qt version between 4.0 and 4.2
443
44413th November 2007  John Allison  (opengl-V09-00-02)
445- Removed Qt files from tag.  File are still at head - need fixing.
446
44713 Nov 2007, Laurent Garnier
448 - G4UIQt,G4Qt : Moving all moc in one big file interface/G4UIQT_moc.cc,
449   including Qt3 and Qt4 moc support
450
45110th November 2007  John Allison  (opengl-V09-00-01)
452- Moved WinSize_x, y to base class G4OpenGLViewer.
453- Minor improvement in guidance for /vis/ogl/printEPS.
454
45509 Nov 2007, Laurent Garnier
456 - G4UIQt,G4Qt : Change all include directive to be compatible with Qt3
457
45808 Nov 2007, Laurent Garnier
459 - moc_G4OpenGLQtExportDialog.cc move in G4OpenGLQtExportDialog_moc.cc
460 - moc_G4OpenGLQtViewer.cc move to G4OpenGLQtViewer_moc.cc
461
46227 Sept 2007, Laurent Garnier
463 - Adding sur files for G4UIQt driver :
464   - G4OpenGLImmediateQt.cc
465   - G4OpenGLImmediateQtViewer.cc
466   - G4OpenGLQtExportDialog.cc
467   - G4OpenGLQtViewer.cc
468   - G4OpenGLStoredQt.cc
469   - G4OpenGLStoredQtViewer.cc
470   - moc_G4OpenGLQtExportDialog.cc
471   - moc_G4OpenGLQtViewer.cc
472
47328th September 2007  lgarnier
474- first import of G4UI Qt files : Do not try to compil them
475
47621st August 2007  John Allison  (opengl-V09-00-00)
477- Removed redundant G4OpenGLXViewerMessenger.
478
47925th May 2007  John Allison  (opengl-V08-03-03)
480- G4OpenGLSceneHandler and G4OpenGLXViewerMessenger:
481  Fixed gcc-4.1.2 compiler warnings.
482
48325th May 2007  John Allison  (opengl-V08-03-02)
484- G4OpenGLXViewer: Trapped glXMakeCurrent in Initialise function.
485
48624th May 2007  John Allison  (opengl-V08-03-01)
487- Fixes for SUN.
488
48916th May 2007  John Allison  (opengl-V08-03-00)
490- Fix compiler warnings on SLC4.
491- Bug fixes:
492  o Correct path /vis/ogl/set/printMode.
493  o Add SetView to pixmap screen dump ("/vis/ogl/set/printMode pixmap"
494    and "/vis/ogl/printEPS").
495
4968th May 2007  John Allison  (opengl-V08-02-06)
497- Moved vectored PostScript printing to G4OpenGLViewer.
498- /vis/ogl/printEPS should work for all viewers, including Win32.
499- Introduced /vis/ogl/set/printMode vectored|pixmap, currently only
500  effective on X windows (and still somewhat buggy).
501
5024th April 2007  John Allison  (opengl-V08-02-05 - needs visman-V08-02-04)
503- Implemented picking for OGLSX ( as well as OGLIX).  Hopefully works
504  for OGL*Win32.  Still doesn't work for OGL*Xm.
505
5063rd April 2007  John Allison  (opengl-V08-02-04 - needs visman-V08-02-03)
507- G4OpenGLStoredSceneHandler:
508  o Re-organised display lists on a per-primitive basis, i.e., one
509    display list per primitive.  (This is so that, except for text,
510    the colour - or, rather, intensity - can be brought out of the
511    display list into the TOList (Transient Object List) and
512    controlled for the Display-by-Time feature.  Previously, if more
513    than one primitive were drawn between BeginPrimitives and
514    EndPrimitives, it would finish up all in one display list, colour
515    commands included. Rationalises and fixes a rare bug in the
516    Display-by-Time feature - see August 2006.)
517  o Added AddPrimitive(const G4Polymarker&) so that it is treated as
518    one primoitive to fit with the above re-organisation.
519- Implemented picking for OGLIX.
520
52125th March 2007  John Allison  (opengl-V08-02-03)
522- Fix compiler warnings.
523
5248th February 2007  John Allison  (opengl-V08-02-02)
525- Fixed Windows problem with DBL_MAX.  (Introduced G4OPENGL_DBL_MAX.)
526- G4OpenGLXViewer.cc: Small bug fix in print().  (Context was switched
527  .but not switched back.  Not serious, because context was always set
528  before normal drawing.)
529
5309th January 2007  John Allison  (opengl-V08-02-01)
531- Implemented bitmap markers for MarkerSizeType == screen.  (The old
532  polygon implementation remains for MarkerSizeType == world.)
533- Added G4OpenGLBitMapStore to assist the above.
534- G4OpenGLXViewer::CreateGLXContext:
535  o Bug fix: Added missing break in colormap lookup routine.
536
5375th January 2007  John Allison  (opengl-V08-02-00)
538- G4OpenGLSceneHandler.cc:
539  o Followed change of signature of GetLineWidth in visman-V08-02-00.
540  o Minor efficiency improvements.
541
54221st November 2006  John Allison  (opengl-V08-01-09)
543- Fixed compiler warnings.
544
5451st November 2006  John Allison  (opengl-V08-01-08)
546- Replace /vis/oglx/set/printEPS by /vis/oglx/printEPS.  The new command
547  actually initiates a print, rather than set a flag for printing.
548
54924th October 2006  John Allison  (opengl-V08-01-07)
550- G4OpenGLStoredViewer.cc: Calculate light front horizon properly.
551- G4OpenGLViewerMessenger.cc: Make refresh depend on auto-refresh.
552
55319th September 2006  John Allison  (opengl-V08-01-06)
554- Added time origin for light front.
555- Added /vis/ogl/set/transparency.
556- G4OpenGLStoredViewer.cc: Bug fix in time range acceptance.
557
5584th September 2006  John Allison  (opengl-V08-01-05)
559- Implement cutaways.
560- Immediate mode: G4OpenGLImmediateSceneHandler.cc: Flush all
561  primitives (see detector being drawn).
562- /vis/oglx/set/printEPS: change parameter default to true.
563
56430th August 2006  John Allison  (opengl-V08-01-04)
565- G4OpenGLSceneHandler:
566  o Implemented line width.
567  o Switched off back face culling when clipping so that the inside of
568    volumes can be seen.
569  o Added CreateSection/CutawayPolyhedron to exploit generic
570    sectioning (DCUT) and cutaways.  Currently not activated due to
571    instabilities in BooleanProcessor.  Local sectioning still active
572    but broken (at least on Mac) due to apparent change in effect of
573    clipping planes (polyhedron edges not reconstructed).
574  o Rationalised calculation of marker size.
575- G4OpenGLStoredSceneHandler:
576  o Fixed bug due to recursive calls of AddPrimitive (polymarkers -> markers).
577  o Pick up time range from G4VisAttributes.
578- G4OpenGLViewer(Messenger):
579  o Added position and colour to /vis/ogl/set/displayHeadTime.
580  o Added /vis/ogl/set/displayLightFront.
581- G4OpenGLStoredViewer.cc:
582  o Rationalised CompareForKernelVisit.  (Local sectioning still active.)
583  o Added position and colour to DisplayHeadTime.
584  o Added DisplayLightFront.
585 
58616th August 2006  John Allison  (opengl-V08-01-03)
587- Corrected Solaris compilation error.
588- Added /vis/ogl/set/fade and displayHeadTime.
589
59014th August 2006  John Allison  (opengl-V08-01-02)
591- Needs visman-V08-01-02.
592- G4OpenGLStored: Implemented display-by-time.  Only available in
593  stored mode at present.  Only implemented for circle, square,
594  polyline and polymarker at present, enough for currently available
595  trajectory models.  Time is communicated via G4AttValues.
596- Added G4OpenGLViewerMessenger.
597- Added /vis/ogl/set/startTime and endTime of displayed objects.
598- All factories: Instantiated G4OpenGLViewerMessenger.
599- G4OpenGLViewer: Added fStart/EndTime.
600- G4OpenGLXViewer.cc: Graceful recovery from unexpected tokens in
601  spewPrimitiveEPS and spewSortedFeedback.
602
60317th July  John Allison  (opengl-V08-01-01)
604- Added /vis/oglx/set/printEPS (prints eps file on every update).
605
6063rd July 2006  John Allison  (opengl-V08-01-00)
607- Elimination of redundant variable doublebuffer and implementation of
608  FinishView in all viewers.
609
61030th May 2006  Joseph Perl  (opengl-V08-00-08)
611- G4OpenGLImmediateWin32Viewer: Removed tests on doublebuffer since that
612  variable seems to have random behavior and should be assumed false for
613  this viewer.
614
61529th May 2006  Joseph Perl  (opengl-V08-00-07)
616- G4OpenGLWin32Viewer, G4OpenGLImmediateWin32Viewer, G4OpenGLStoredWin32Viewer:
617  Removed common FinishView and instead made separate FinishView for the two different
618  versions of this viewer since each wants a different buffer swapping behaviour.
619
62012th May 2006  John Allison  (opengl-V08-00-06)
621- G4OpenGLWin32Viewer: Fixed buffer swapping behaviour.
622
62328th April 2006  John Allison  (opengl-V08-00-05 - needs visman-V08-00-14)
624- G4OpenGLStoredX/Xm/Win32Viewer.cc: Fixed buffer swapping problem when
625  recomputing transients.
626
62724th April 2006  John Allison  (opengl-V08-00-04)
628- Fixed compilation problem on Windows.
629
63019th April 2006  John Allison  (opengl-V08-00-03)
631- G4OpenGLSceneHandler, G4OpenGLStoredSceneHandler and
632  G4OpenGLImmediateSceneHandler:
633  o Implemented Begin/EndPrimitives2D (needs visman-V08-00-12 and
634    greps-V08-00-02).
635  o Migrated to direct access to G4PhysicalVolumeModel.
636- G4OpenGLStoredX/Xm/Win32Viewer.cc: bug fix for conditional drawing
637  of display lists in DrawView.
638
63914th March 2006  John Allison  (opengl-V08-00-02)
640- Refined display list building and re-drawing algorithm.
641  o G4OpenGLStoredSceneHandler::EndModeling: Changed to GL_COMPILE_AND_EXECUTE.
642  o Avoided unnecessary re-execution in DrawView (X, Xm and Win32).
643- G4OpenGLStoredSceneHandler::RequestPrimitives: Refined display list
644  re-use algorithm.  In test19 with global culling off, numbers of
645  display lists used are:
646  o 191  No re-use:
647  o  73  Before this change: re-use except replicas (includes parameterised).
648  o  33  After this change: re-use except parameterised and replicas in radius.
649
65026th January 2006  John Allison  (opengl-V08-00-01)
651- Coworks with visman-V08-00-04 (removed fModified).
652- Removed references to fModified.
653- Tidying: Removed unnecessary ClearView.
654- G4OpenGLSceneHandler.cc: Added some (commented out) code for
655  possible future implementation of 2D drawing.
656- G4OpenGLXViewer.cc: Improved exception printing.
657
65811th January 2006  John Allison  (opengl-V08-00-00)
659- Improved efficiency: all DrawView's:
660  o Don't call ClearView.
661  o Set flag so SetView will not be called in ProcessView.
662  o Leave background colour to ClearView.
663- Used dynamic_cast<G4OpenGLViewer*>, no need for G4OpenGLViewerDataStore.
664- G4OpenGLXmViewerMessenger: Made a smart singleton; interrogates vis manager
665  for current viewer.
666
66724th November 2005  John Allison  (opengl-V07-01-09)
668- Protected G4OpenGLXmViewerMessenger with #ifdef G4VIS_BUILD_OPENGLXM_DRIVER.
669
67022nd November 2005  John Allison  (opengl-V07-01-08)
671- Added G4OpenGLXmViewerMessenger.
672- Corrected text position.
673- Made depth test for polyhedron GL_LEQUAL (slightly dominant).
674
67517th November 2005  Gabriele Cosmo
676- Fixed settings of background style for WIN32 viewers.
677
67813th November 2005  John Allison  (opengl-V07-01-07)
679- Implemented X-Window-style geometry hints in G4OpenGLXViewer.
680
68113th October 2005  John Allison  (opengl-V07-01-06)
682- Allowed any colour background.
683- Implemented non-uniform scaling.
684- Migration to <sstream>.
685
68629th September 2005  John Allison  (opengl-V07-01-05)
687- Added G4OpenGLViewerDataStore to facilitate access of viewer data by
688  scene handler.
689- Re-implemented transparency button in OpenGLXm.
690
69113th September 2005  John Allison  (opengl-V07-01-04 - needs visman-V07-01-02)
692- Implemented white background for all OGL viewers.
693- G4OpenGLSceneHandler.cc:
694  o Fixed hidden line removal (bug introduced in opengl-V07-01-02).
695  o Fixed treatment of triangular polygons for drawing of auxiliary/soft lines.
696  o Corrected GetTextColour(text).
697  o Corrected GetColour(polyhedron).
698
6995th September 2005  John Allison  (opengl-V07-01-03)
700- Bug fix: stored transparent objects were being lost.
701
7022nd September 2005  John Allison  (opengl-V07-01-02 - needs visman-V07-01-01)
703- Bug fix: edgeflags problem introduced with smooth shading in
704  opengl-V07-01-00.
705- Implementation of a "better algorithm" for the rendering of
706  transparent polyhedron objects.  It renders all opaque objects
707  first, then renders the transparent objects with the depth buffer in
708  read-only mode (see OpenGL Programming Guide).  It uses the new
709  facility in G4VSceneHandler::ProcessScene for an optional second pass
710  of the run-duration models in the scene.  Note this algorithm is
711  still only an approximation.  It will still give the wrong blended
712  colour if two transparent objects are rendered front first.  For
713  nested transparent objects, this is unfortunate, because
714  G4PhysicalVolumeModel traverses Geant4's mother-daughter hierarchy
715  in such a way that mothers come first.  Also, there is no guaranteed
716  relationship between the order of rendering and the depth of two
717  transparent objects if they are at the same level or in different
718  branches of the hierarchy.  Still, the only error will be an
719  incorrect colour - the objects will still give the appearance of
720  transparency, so it's a pretty good algorithm.  (An even better
721  algorithm would be to attempt to render the facets in depth order,
722  deepest first.  But how do you calculate the depth - centre of area,
723  deepest corner?  One can still imagine pathalogical cases that would
724  sometimes give the wrong colour.  Also, for stored mode, the order
725  is fixed in a display list so when the user rotates the view, one
726  would lose the depth ordering.  I think we have to accept that
727  blending in OpenGL is only ever an approximation.  For accurate
728  blending, use RayTracer.)
729
73028th August 2005  John Allison  (opengl-V07-01-01)
731- Half-way implementation of rendering of transparent polyhedron
732  objects.  In this implementation, no account is taken of the order
733  of rendering.  Transparent objects are rendered with depth testing
734  off so that objects behind can still be seen.  But this means that
735  opaque objects in front do not obscure them - and they jolly well
736  should!  A better algorithm is to render all opaque objects first,
737  then render the transparent objects with the depth buffer in
738  read-only mode (see OpenGL Programming Guide).  This is going to
739  take a little more thought - see opengl-V07-01-02.
740
74120th July 2005  John Allison  (opengl-V07-01-00)
742- Introduced smooth shading, taking advantage of hitherto un-noticed
743  feature of HepPolyhedron::GetNextFacet that calculates the normals
744  at each vertex so that curved surfaces are rendered more
745  realistically (Gouraud shading).
746- G4OpenGLImmediateSceneHandler.cc: Removed unnecessary #include's.
747- G4OpenGLXmViewer.cc: Fixed to use window size hints.  This changes
748  the default window size.  It used to be 400x400, hardcoded in
749  G4OpenGLXmViewer.cc, but now it picks up the
750  G4ViewParameters::GetWindowSizeHintX/Y, which defaults to 600x600.
751  The user may change it on the command line, e.g:
752    /vis/open OGLSXm 500
753  or
754    /vis/viewer/create ! ! 500
755
75630th May 2005  John Allison  (opengl-V07-00-03)
757- Fixed compilation problem in OpenGL on SUN.  (Replaced multimap by
758  map of vectors in G4OpenGLFontBaseStore.)
759
7604th May 2005  John Allison  (opengl-V07-00-02)
761- Restored sequence Set/Clear/DrawView in ClearTransientStore.  (It
762  was taken out to prevent recursive calling, but that seems to be OK,
763  and it is needed to implement refresh at end of event/run.)
764
76522nd April 2005  John Allison  (opengl-V07-00-01)
766- Rationalised work of opengl-V07-00-00.  Functionality unchanged.
767  o G4OpenGLViewer.hh: Created virtual void CreateFontLists(){}.
768  o In all concrete viewers, added call to CreateFontLists().
769  o Moved font code for X to G4OpenGLXViewer::CreateFontLists().
770  o There is no longer a need to implement in the XmViewer, since it
771    now inherits.  Thus the font code now only appears once for X.
772  o Awaiting implementation for WIN32.
773
77417th April 2005  John Allison  (opengl-V07-00-00)
775- Based on vis-V07-00-13.
776- Implemented text for X-Windows viewers.  Uses glXUseXFont, which
777  creates display lists for nominated fonts.  Simple-minded scheme in
778  which each viewer creates its own font display lists for a variety
779  of sizes, which are accessed by the scene handler through a new
780  class, G4OpenGLFontBaseStore.  Affected methods:
781    G4OpenGLXViewer::CreateMainWindow()
782    G4OpenGLXmViewer::CreateMainWindow()
783    G4OpenGLSceneHandler::AddPrimitive (const G4Text& text)
784
78518th November 2004  John Allison  (opengl-V06-02-07)
786- Removed redundant fLastVP from G4OpenGLStoredSceneHandler.
787
78815th November 2004  Guy Barrand
789- G4OpenGLWin32Viewer::ShowView : glFlush was not sufficient
790  to see trajectories (for example with N03). Correct so that
791  ShowView do a FinishView that does : glFlush, wglSwapBuffer
792  and empty the Windows message queue.
793
79422nd September 2004  John Allison  (opengl-V06-02-06)
795- doxygen output to tmp area.
796- Trap non-regular polyhedrons.
797
79813th September 2004  Gabriele Cosmo  (opengl-V06-02-05)
799- G4OpenGLTransform3D.cc: simplified implementation for GetMatrix()
800  to allow for porting on CLHEP-1.9.X series.
801
80223rd July 2004  John Allison
803- Draws auxiliary edges if required.
804- Added auxiliary edge button.
805
80616th July 2004  John Allison  (opengl-V06-02-04)
807- Refinements to hidden line, hidden surface removal.
808
80914th July 2004  John Allison  (opengl-V06-02-03)
810- Removed superfluous #include "G4VisManager.hh" from G4OpenGLXmViewer.cc.
811
81213th July 2004  John Allison  (opengl-V06-02-02)
813- Hidden line *and* hidden surface removal now works.
814
8159th July 2004  John Allison  (opengl-V06-02-01)
816- Fixed long-standing problem with hidden line removal.
817- Improved messages on failure to get visual.
818- Added GLX_STENCIL_SIZE explicit request to visual attributes - most
819  systems provided by default anyway, so no effect.
820
8211st July 2004  John Allison  (opengl-V06-02-00)
822- Rationalised G4OpenGLSceneHandler ready for hidden line removal.
823- Bug fix in G4OpenGLXmPanningCallbacks.cc for dolly control.
824
82518th June 2004  Gunter Folger (geant4-06-02)
8269th June 2004  Gabriele Cosmo  (vis-V06-01-03)
8277th June 2004  Gabriele Cosmo  (vis-V06-01-02)
828- GNUmakefile and disclaimer changes - see visualization/History.
829
8309th April 2004  John Allison  (vis-V06-01-01 + interfaces-V06-01-00)
831- Tagged OpenGL as below.  Joint with interfaces-V06-01-00.
832
8337th April 2004  Guy Barrand
834- visualization/OpenGL/* : use the G4OpenGL.hh file.
835- Added : visualization/OpenGL/include/G4OpenGL.hh to encapsulate
836  the include of gl/gl.h and gl/glu.h that may be platform dependant.
837  It permits to rm some #ifdef WIN32 spread in the code. It opens also
838  the way to the usage of the Apple OpenGL on a Mac.
839
84017th February 2004  John Allison  (opengl-V06-00-00)
841- Fixed bug #581: wrong order of statements in
842  G4OpenGLXViewer::~G4OpenGLXViewer (see bug report).
843
8444th October 2003  Gabriele Cosmo  (vis-V05-02-01)
845- GNUmakefile:
846  o replaced "digits+hits" with "digits_hits".
847- Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
848
84922nd September 2003  John Allison  (vis-V05-02-00, greps-V05-02-00)
850- Cosmetic change to regularise names:
851  o changed _Feedback3Dcolo to G4OpenGLXViewerFeedback3Dcolor.
852  o changed _DepthIndex to G4OpenGLXViewerDepthIndex.
853
85423rd June 2003  Guy Barrand  (opengl-V05-01-02)
855- Commit a first implementation of G4OpenGLWin32Viewer.
856
85710th June 2003  Gabriele Cosmo  (opengl-V05-01-01)
858- More fixes for warnings in viewers classes.
859- Added inclusion of <windows.h> for WIN32 platforms when GL headers
860  are included.
861
86205th June 2003  Gabriele Cosmo  (opengl-V05-01-00)
863- Fixes for porting compilation on WIN32:
864  o G4OpenGLWin32Viewer[.hh.cc]: removed inclusion of <GL/glx.h>.
865  o G4OpenGLViewer.cc: replaced local variables near/far with pnear/pfar
866    since declared 'obsolete' in WIN32 platforms.
867
86827th November 2002  John Allison  (vis-V04-01-08)
869- Improved algorithm of CompareForKernelVisit.
870
87111th November 2002  John Allison  (opengl-V04-01-02)
872- Corrected inclusion of G4OpenGLXViewer #ifdef X_DRIVER.
873- Added G4OpenGLSceneHandler::AddThis for trajectories and hits - simply
874  call default but there as a marker and encourager.
875- Added tracking and digits+hits/hits to GNUmakefile.
876
87716th October 2002  John Allison  (opengl-V04-01-01)
878- Fix for WIN32.  Now compiles but viewer not implemented.
879
88024th June 2002  John Allison  (opengl-V04-01-00)
881- Further cosmetic changes in G4OpenGLXViewer.cc for DEC compiler.
882
88310th June 2002  John Allison  (opengl-V04-00-03)
884- Cosmetic changes for SUN-CC in G4OpenGLXmConvenienceRoutines.cc.
885
8866th June 2002  John Allison  (opengl-V04-00-02)
887- Cosmetic changes for GNU compiler in G4OpenGLXViewer.cc.
888
88923rd February 2002  John Allison  (opengl-V04-00-01)
890- Changes to encourage compilation on Windows in preparation for
891  implementation of G4OpenGLWin32Viewer.  Removed spurious includes of
892  glx.h, unistd.h and assert.h.
893
89424th August 2001  John Allison  (vis-V03-02-13)
895- Limited the printing of warnings in
896  G4OpenGLSceneHandler::AddPrimitive (const G4Text& text).
897
89814th August 2001  John Allison  (vis-V03-02-11)
899- Improved KernelVisitDecision.
900- Fixed a few small bugs in multiple "stored" viewers, but see next item.
901- There's an outstanding bug in OpenGL Stored.  If there is more than
902  one viewer controlled by a scene handler, after a ClearStore on the
903  scene handler, e.g., with /vis/scene/notifyHandlers, the first
904  viewer to get refreshed should trigger the display list rebuild, but
905  the second need not.  However, when the second viewer's turn comes,
906  the display lists are there, and are called, e.g.,
907  G4OpenGLStoredXViewer::DrawView calls
908  G4OpenGLStoredViewer::DrawDisplayLists that calls glCallList, but
909  nothing appears on the screen.  To overcome this there is some
910  temporary code in G4VViewer::NeedKernelVisit which marks *all*
911  viewers to force a rebuild.  To see the symptoms, comment out that
912  temporary code and issue these commands:
913    /vis/verbose c
914    /control/verbose 2
915    /vis/scene/create
916    /vis/scene/add/volume
917    /vis/sceneHandler/create OGLSX
918    /vis/viewer/create ! ! 1
919    /run/beamOn
920    /vis/viewer/create ! ! 1
921    /vis/viewer/select viewer-0
922    /vis/viewer/viewpointThetaPhi 20 20
923    /vis/viewer/select viewer-1
924    /vis/viewer/viewpointThetaPhi 40 40
925    /vis/viewer/set/style surface
926    /vis/viewer/refresh
927    /vis/viewer/select viewer-0
928    /vis/viewer/refresh
929    /vis/viewer/select viewer-1
930    /vis/viewer/set/style wireframe
931    /vis/scene/notifyHandlers
932  You may have to do this too:
933    /vis/viewer/select viewer-0
934    /vis/scene/notifyHandlers
935  One of the viewers is empty.  Curious!!
936
9379th August 2001  John Allison  (vis-V03-02-10-00)
938- Implemented G4OpenGLStoredSceneHandler::ClearTransientStore()
939- Removed G4OpenGLSceneHandler::AddPrimitive (const G4Polymarker&) (it only
940  invoked G4VSceneHandler::AddPrimitive (const G4Polymarker&) which is
941  picked up by inheritance anyway.
942- Removed lots of unnecessary header files from G4OpenGLStoredSceneHandler.cc.
943- Corrected order of calling base class functions in
944  G4OpenGLStoredSceneHandler::Begin/EndModeling.
945
94624th July 2001  John Allison  (vis-V03-02-06)
947- G4OpenGLSceneHandler::AddPrimitive (const G4Text&) handles transformation.
948
94914th July 2001  John Allison (opengl-V03-02-00)
950- Fixed crash in optimised mode: added Initialise() to viewers so
951  that windows are opened after viewers are fully constructed.
952
9532nd April 2001  John Allison (opengl-V03-00-01 wrt vis-V03-00-09)
954- Tidied G4OpenGLXmViewer callback code.  Removed superfluous header files.
955
9567th March 2001  John Allison
957- Changed char* to const char* in many places and that gave problems in
958  calls to Xt and Xm.  Hope all's OK.  Differences:
959    cvs diff -r vis-V03-00-06 vis-V03-00-07
960
96125th January 2001  John Allison  (opengl-V03-00-00)
962- Implemented running re-calculation of up-vector in the case of "object
963  rotation" (lights move with camera) to prevent "flipping" of view when
964  camera passes through up-vector.  Note that the default is "camera
965  rotation" (lights do not move with camera, i.e., remain fixed relative
966  to object) so the default is that this "flipping" can happen.  To set
967  "object rotation" (lights move with camera) use
968  /vis/lights/move_with_camera true (soon to be
969  /vis/viewer/set/lights move-with-camera) or click "Object" radio button
970  on Rotation Panel in OpenGLXm mode.
971- Changed some objects to references for efficiency.  E.g.:
972  const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
973
97422nd May 2000  John Allison  (opengl-V01-01-00)
975- Fixed slow response of 2nd window of OpenGLXm.  Worked around Mesa bug
976  by sharing static visuals in G4OpenGLXViewer (Guy Barrand):
977    static XVisualInfo* vi_single_buffer;
978    static XVisualInfo* vi_double_buffer;
979- Removed ChooseVisual from G4OpenGLXmViewer.cc - done in base class
980  G4OpenGLXViewer.
981- Protected double deletion of window in destructors of G4OpenGLXmViewer
982  and G4OpenGLXViewer (Guy Barrand).
983- Changed requested bits per colour to r,g,b = 1,1,1 in G4OpenGLViewer.cc.
984- Corrected order of CreateMainWindow() and InitializeGLView() in X*Viewer
985  constructors.
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