source: trunk/source/visualization/OpenGL/History @ 1355

Last change on this file since 1355 was 1348, checked in by garnier, 13 years ago

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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
204th January 2011  Laurent Garnier
21- Try to fix mix between GL include from X11 and GL include from Qt (APPLE stuff)
22
2327th December 2010  John Allison  (opengl-V09-04-00)
24- Tagged.
25
2611th December 2010  John Allison
27- Fixed some Coverity warnings.
28
2913th November 2010  John Allison  (opengl-V09-03-10)
30- Tagged.
31
3210th November 2010  John Allison
33- G4OpenGLStoredSceneHandler.cc: Added commented out debug lines.
34- G4OpenGLStoredSceneHandler.hh: Corrected misleading comment lines.
35- G4OpenGLXViewer.cc: Protected output with G4VisManager::GetVerbosity.
36
378th November 2010  John Allison  (opengl-V09-03-09)
38- G4OpenGLStoredSceneHandler:
39  o Removed fDisplayListBase (not needed; display list ids ARE re-used).
40  o Improved display list limit message.
41
427th November 2010  John Allison
43- G4OpenGLViewerMessenger.cc: Improved messages.
44
456th November 2010  John Allison
46- G4OpenGLViewerMessenger.cc: displayListLimit>=10000.
47- G4OpenGLStoredSceneHandler:
48  o Made all display list management variables static.
49  o Bug fix: reset fMemoryForDisplayLists flag.
50
515th November 2010  John Allison
52- G4OpenGLStoredSceneHandler, G4OpenGLViewerMessenger:
53  o Introduced a display list limit to avoid memory exhaustion.
54  o Introduced /vis/ogl/set/displayListLimit.
55
568th October 2010  Laurent Garnier
57- G4OpenGQtViewer.cc:
58  o Add menu for changing text color, default color, background color
59  o Toogle projection now call directly command instead of redefinding it
60
616th October 2010  John Allison  (opengl-V09-03-08 with co-working tags...)
62- Co-working tags: interfaces-V09-03-12 + config-V09-03-08
63- G4OpenGLStoredViewer.cc:
64  o Added default colour and default text colour to list of parameters
65    that trigger a kernel visit.
66
675th October 2010  John Allison
68- G4OpenGLStoredViewer.cc: Time-slices fade to background colour.
69
705th October 2010  Laurent Garnier
71- Change lots of shortcuts in Qt
72- Add 'google earth like' rotation
73
7423th June 2010  Laurent Garnier
75- G4OpenGLImmediate/StoredQtViewer : Fix compilation warnings
76- G4OpenGLQtViewer : Add protection on Vis Tab without UI Qt
77
784th June 2010  Laurent Garnier (opengl-V09-03-07)
79- G4OpenGLImmediate/StoredQtViewer : Add protection against multiple
80  repaint call. Add protection against resizeGl with bad values
81
823rd June 2010  John Allison  (opengl-V09-03-06)
83- G4OpenGLImmediateSceneHandler: Re-instate
84  // Make sure screen corresponds to graphical database...
85  if (fpViewer) {
86    fpViewer -> SetView ();
87    fpViewer -> ClearView ();
88    fpViewer -> DrawView ();
89  }
90  I was wrong - it *is* necessary.  If not there, events are not refreshed.
91  So this and similar changes below are all back to geant4-09-03, including
92  glFlush, which is still a big performance penalty on Mac's Snow Leopard.
93
943rd June 2010  John Allison  (opengl-V09-03-05)
95- Restored following files to geant4-09-03 in interests of stable behaviour:
96  o G4OpenGLStoredSceneHandler.cc
97    Restored code removed in opengl-V09-03-03:
98  // Make sure screen corresponds to graphical database...
99  if (fpViewer) {
100    fpViewer -> SetView ();
101    fpViewer -> ClearView ();
102    fpViewer -> DrawView ();
103  }
104  o G4OpenGLStoredXViewer.cc:
105    Restore to geant4-09-03.  Restored code removed in opengl-V09-03-03:
106      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
107        DrawDisplayLists ();
108        FinishView ();
109- Note: G4OpenGLImmediateSceneHandler: Same code commented out.  I think
110  it's not necessary for immediate mode.
111
11230th May 2010  John Allison  (opengl-V09-03-04)
113- G4OpenGLSceneHandler: Added AddCompound(const G4VDigi&).
114
11529th May 2010  John Allison  (opengl-V09-03-03)
116- G4OpenGLImmediateSceneHandler.cc, G4OpenGLStoredSceneHandler.cc:
117  Removed the following from ClearTransientStrore (was causing
118  unnecessary drawing and flipping buffers?):
119  // Make sure screen corresponds to graphical database...
120  if (fpViewer) {
121    fpViewer -> SetView ();
122    fpViewer -> ClearView ();
123    fpViewer -> DrawView ();
124  }
125- G4OpenGLStoredXViewer.cc:
126  Commented out as follows in DrawView (was causing extra buffer swap,
127  thus showing bad picture; can't recall why it was introduced):
128      } else { // ADD TO AVOID KernelVisit=1 and nothing to display
129        //DrawDisplayLists ();  ????????? (JA)
130        //FinishView ();        ????????? (JA)
131
13226th May 2010 Laurent Garnier  (opengl-V09-03-02)
133 - G4OpenGLQtViewer : Some improvments with auto rotation mode.
134
13520th May 2010 Laurent Garnier  (opengl-V09-03-01)
136 Co-working tag : intercoms-V09-03-01, interfaces-V09-03-02
137 - GNUMakefile, G4OpenGLQtViewer : Better inclusion of new tabs in UI part
138
13911th May 2010  John Allison  (opengl-V09-03-00)
140- G4OpenGLSceneHandler:
141  o Use generic section and cutaway algorithm.
142  o Follow change in generic section and cutaway interface.
143- G4OpenGLViewer.cc:
144  o Use generic section and cutaway algorithm.
145  o Fix compiler warning (*p++).
146  o Replace strdup by local inline code.
147
14829th April 2010 Laurent Garnier
149 - G4OpenGLSceneHandler : Speed Improvment by drawing vector of
150   markers instead one by one
151
15227th April 2010 Laurent Garnier
153 - G4OpenGLStoredXmViewer : remove viewer form list at destruction
154 - G4OpenGLViewer : Fix a problem when printing in gl2ps
155
1569th March 2010 Laurent Garnier
157 - G4OpenGLViewer : Fix clipping when resizing non square size windows
158   Remove error message when no scene present.
159 - G4OpenGLImmediateQtViewer, G4OpenGLStoredQtViewer :
160    - Add some protections if viewer is in tab
161    -  fix some redraw probems when focus was outside frame
162    - Add ShowView() and paintEvent() methods
163    - DrawView method is now the same in Store and Immediate mode
164 - G4OpenGLQtViewer : Add things for viewer in tabs
165
1663rd March 2010 Laurent Garnier
167- G4OpenGLViewer : Add protection against null pointer scene
168
16927th January 2010  Gabriele Cosmo
170- Fixed compilation warnings on G4OpenGLQtViewer and corrected compilation
171  error when using Qt-3.
172
1736th January 2010  Laurent Garnier (needs interfaces-V09-02-07 + laurent-QtUI_with_tabs_v1)
174- GNUMakefile : Add include for interfaces/basic
175- G4OpenGLQtWiewer : Integration into QtUI Tab
176
17717th November 2009  John Allison  (opengl-V09-02-10)
178- Tagged for vis tag.
179
18017th November 2009  Gabriele Cosmo
181- Fixed problem in the generation of dependencies on Windows for some
182  files, due to redefinition of min and max macros from windows.h in
183  G4OpenGL.hh.
184- Fixed GNUmakefile.
185
1863rd November 2009  John Allison  (opengl-V09-02-09 coworks greps-V09-02-03)
187- Tagged for system testing.
188
1893rd November 2009  Laurent Garnier
190- G4OpenGLImmediateQtViewer, G4OpenGLStoredQtViewer : Protec Qt4 method
191  introduce 13rd october 09 by ifdef
192
1933rd November 2009  John Allison
194- G4OpenGLXmPanningCallbacks: Fixed pView compilation problem.
195
19621 October 2009 Laurent Garnier
197 -  G4OpenGLQtViewer : Prepare to attach viewer In UI
198
19921st October 2009  John Allison  (opengl-V09-02-08 coworks greps-V09-02-02)
200- Added default AddCompound (const G4THitsMap<G4double>&) methods.
201  o Prevents warnings about hiding - calls G4VSceneHandler base class.
202
20315 October 2009 Laurent Garnier
204 - G4OpenGLViewer.cc : Fix a problem with printing. On mac OSX version
205   > 10.5.7? or Ubuntu > 9.04? AND with user account configure in french
206   (or canadian I believe), the decimal point character was defined by
207   "," (see LC_NUMERIC). This cause a problem on reading eps files.
208   Changed "," to "."
209
21013 October 2009 Laurent Garnier
211 - G4OpenGLImmediateQtViewer/StoredQtViewer : some cleaning
212 - G4OpenGLImmediateQtViewer : Remove picking to true at initialisation
213 - G4OpenGLQtViewer.cc : Fix a redraw problem on mac OS X 10.6
214 - G4OpenGLStoreQtViewer.cc,G4OpenGLImmediateQtViewer.cc : Fix width()
215   and height() problem on mac OS X 10.6
216
21729 September 2009  John Allison  (opengl-V09-02-07)
218- Tagged.
219
22018 August 2009 Laurent Garnier
221 - G4OpenGLXmViewer : Fix a wrong initialization introduce by the
222   new way of handling window size hints (January 2009)
223
22429 July 2009, Laurent Garnier
225 - G4OpenGLQtViewer : Ensure the GL frame size will be correct
226   by setting a 0 size margin around
227
22827 July 2009, Laurent Garnier
229 - G4OpenGLStoredQtViewer : Remove picking to true at initialisation
230
23120 May 2009, Laurent Garnier (opengl-V09-02-06)
232 - Fixed compilation errors on WIN32-VC for WIN32 specific drivers.
233
23418 May 2009, Joseph Perl (opengl-V09-02-05)
235 - Correct G4OpenGLViewerMessenger.hh
236
23714 May 2009, Laurent Garnier (opengl-V09-02-04)
238 - G4OpenGLViewer : Add methods to manage print size and filename
239 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printSize
240 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printFilename
241 - G4OpenGLQtViewer.cc,G4OpenGLXmMainMenuBarCallback.cc, renaming
242   according to first point.
243
24413 May 2009, Laurent Garnier
245 - G4OpenGLStoredQtViewer.cc: Fix a second view redraw at ShowView() call
246 - G4OpenGLQtViewer : Remove unuseful variables, renaming others
247 - G4OpenGLViewer : Add method for resizing properly windows. Add methods
248   to get window width, height and to know if size has changed
249 - G4OpenGLQtViewer, G4OpenGLStoredQtViewer, G4OpenGLImmediateQtViewer,
250   G4OpenGLXmViewer, G4XmWindowsHandlingCallback, G4OpenGLXViewer :
251     Apply the previous changes.
252
2536 May 2009, Laurent Garnier
254 - G4OpenGLQtViewer.cc: Fix compilation warning and error with gcc4.4
255
25628th April 2009, John Allison
257 - G4OpenGLViewerMessenger.cc: Added return statement at end of every
258   "if (command == ..." statement.  (Because of test for OGLS, it is
259   not elegant to use "if...else if...else" structure.)
260
26128th April 2009, Laurent Garnier
262 - G4OpenGLXViewer,G4OpenGLViewer : End of moving printEPS and associated
263   functions from GLXViewer to GLViewer.   
264 - G4OpenGLXViewer :
265   - Remove debug methods
266   - Add check in SetView() method
267 - G4OpenGLViewer : Add a glReadBuffer before glReadPixel in grabPixel method
268
2698th April 2009, Laurent Garnier
270 - G4OpenGLBitmapStore.hh : BugFix correction for windows (introduce 2nd February ?)
271 - G4OpenGLViewer.hh : move methods in private
272 - G4OpenGLXViewer.hh : Add debug methods
273 - G4OpenGLImmediateXmViewer.cc, G4OpenGLStoredViewer.cc, G4OpenGLStoredXmViewer.cc,
274   G4OpenGLStoredXViewer.cc, G4OpenGLViewer.cc   : Add debug messages
275 - G4OpenGLStoredXmViewer.cc,G4OpenGLStoredXViewer.cc, G4OpenGLStoredWin32Viewer.cc :
276   - Add a DrawDisplay list in case of KernelVisit=1 and  nothing new to display.
277   - Add a flush at the end of the view.
278 - G4OpenGLViewer.cc :
279   - Improve the fix and resizing when X/Y size was even (lack of precision
280     in a /2)
281   - Set line/point size at a default size when printing.
282 - G4OpenGLXmWindowsHandlingCallbacks.cc : print method rename in printEPS
283 - G4OpenGLXViewer.cc : Lot of changes, try to debug it. Pb when printing in pixmap
284   mode on some windows size
285
2866th April 2009, Joseph Perl (opengl-V09-02-02, then opengl-V09-02-03)
287 - New tag to clean up all of the cases of files that changed only in the cvs id.
288
28924th March 2009, Laurent Garnier (opengl-V09-02-01)
290 - G4OpenGLViewer : Add a fix and resizing when X/Y size was even (lack of precision
291   in a /2)
292
29318th March 2009  John Allison
294- G4OpenGLViewerMessenger.cc: printMode and transparency are available
295  for all OGL windows (they were previously inadvertently hidden by
296  an OGLS requirement).
297
29816th March 2009, Laurent Garnier
299 - G4OpenGLViewer : Add a check on max viewport dimensions when setting size.
300
3014rd March 2009, Laurent Garnier
302 - G4OpenGLQtViewer:
303   - Suppress some warnings when saving file
304   - Changing size is now allowed when saving (to save with better resolution than screen size)
305 - G4OpenGLViewer:
306  - Some renaming for print methods to be more clear about Vectored and non Vectored
307  - Now using Gl2PS method to do PS (changes also in G4OpenGLXViewer and G4OpenGLQtViewer)
308  - Suppress unuseful printX methods (heritated form XViewer)
309  - Add methods to handle printVectored and NonVector cases
310 - G4OpenGLViewerMessanger : Changes methods to get new G4OpenGLViewer methods to print
311
3121st March 2009, Laurent Garnier
313 - Remplacing glBitmap by GL_POINTS to draw marker : Speed improvment
314  and gl2ps can now draw Markers.
315
31616 February 2009, Laurent Garnier
317 - Modifications in GNUMakefile for gl2ps.
318 - G4OpenGLViewer,G4OpenGLViewerMessenger.cc,G4OpenGLXmMainMenubarCallbacks.cc
319   ,G4OpenGLXmViewer.cc modified for gl2ps and some renaming "print" in
320   "printVectoredEPS"
321
3222nd February 2009  Laurent Garnier
323- Improve Anticipate headers declaration in all files
324- Factorize grabPixels function in G4OpenGLViewer
325- Begin of refactoring printEPS function
326
32722th January 2009  Laurent Garnier
328- Fix bug in ratio and geometry on X/Xm/Qt/Win32 viewers
329
33019th January 2009  Laurent Garnier
331- Change G4DEBUG definition by G4DEBUG_VIS_OGL
332
33312th January 2009  John Allison
334- G4OpenGLViewer.cc: Pick up X and Y window size hints to define viewport.
335
3362 December, Laurent Garnier
337 - G4OpenGLImmediateXmViewer,G4OpenGLStoredXmViewer,G4OpenGLXmViewer
338   G4OpenGLImmediateXViewer, G4OpenGLStoredXViewer, G4OpenGLXViewer,
339   G4OpenGLXmWindowHandlingCallbacks,
340   G4OpenGLImmediateQtViewer.cc, G4OpenGLStoredQtViewer, G4OpenGLQtViewer
341   G4OpenGLImmediateWin32Viewer.cc, G4OpenGLStoredWin32Viewer, G4OpenGLWin32Viewer
342   ->  Replace WinSize by fWinSize and some improvments about size initialization
343
344 - G4OpenGLQtViewer.hh : Suppress WinSize private variable
345 - Now Could pass XString like 400x600-0+0 to viewers and set position and location. It
346   will work for Qt, X, Win32 for the moment.
347
34824 October, Laurent Garnier (opengl-V09-01-03)
349 - Change GEANT4_QT_DEBUG flag by QTDEBUG
350 - Suppress unuseful DEBUG messages
351
35212th October Laurent Garnier
353 - G4OpenGLQtExportDialog : improvments for Qt3"
354 - G4OpenGLQtViewer,G4OpenGLImmediateQtViewer,G4OpenGLStoreQtViewer : Add the name on OpenGlQt viewers
355 - G4OpenGLStoredQtViewer,G4OpenGLImmediateQt, G4OpenGLStoredQt : Change OGLSQT and OGLIQT by OGLSQt and OGLIQt
356
3572 October Laurent Garnier
358 - Fix a crash when there was no scene.
359
36028 July Laurent Garnier
361 - Fix a bug in XmRotation panel introduce in last commit by myself.
362
36320th June 2008  Laurent Garnier
364 - Correct some warnings
365 - Move rotation code of Xm and Qt in G4OpenGLViewer::rotateScene. Same code in now shared
366
36712th June 2008  Laurent Garnier
368 - Emit signals when moving/rotate scene, in order to get them in external app
369
37028th Mai 2008  Laurent Garnier
371 - Add mouse wheel zoom commands
372
37328th April 2008  Laurent Garnier
374 - Add better moc control/compilation step in GNUmakefile
375 - Fix a problem when launching QT VIS without QT UI (N02 for example)
376
37728th April 2008  John Allison  (opengl-V09-01-02)
378- G4OpenGLStoredSceneHandler: Tidied constructors of nested classes.
379
3804th April 2008  John Allison  (opengl-V09-01-01)
381- Fixed DBL_MAX problem in 2D drawing:
382  o changed G4OPENGL_DBL_MAX to G4OPENGL_FLT_BIG.
383- Fix gcc-4.3.0 compiler warnings.
384
38511th March 2008, Laurent Garnier
386 - Resolve QT3 compilation errors
387
38810th March 2008, Laurent Garnier
389 - Add a dialog panel to make movies (Right button->Actions->Movie parameters)
390 - Add ability to "auto rotate" volume launched with quick mouse move
391 - Lots of improvments for Qt3
392 - Improvments on moving steps with shortcuts
393 - Could now select between orthogonal/perspective view mode
394
3951st February 2008  John Allison
396 - G4OpenGLQtViewer.cc: Fix #ifdef QT protection.
397 - G4OpenGLSceneHandler.cc: Small improvement to logic of setting GL_LIGHTING.
398
39930th January 2008, Laurent Garnier
400 - Add moving camera on left/right/up/down arrown, going forward/backward
401   on SHIFT+up/down, zoom in with +/- keys
402 - Add a context menu entry for projection perspective/orthographic
403 - Fix some bugs on windows in export dialog
404
40515th January 2008, Laurent Garnier
406 - Fixed some layout problems on export dialog box
407 - Some improvements on exports formats
408 - Fix a bug in the help command : The clic callback on a item was not
409   working on windows
410 - Fix a crash at exit when launched on a MAC.
411 - EPS export format is now ready for Qt3
412 - Add Vectoriel EPS export format
413 - Fix an aspect ratio deformation when resize the widget
414 - Fix a crash at launch with leopard
415 - When selecting the "move" mouse action, this action was set even when
416   mouse button was released. Fixed : Now we should clic to have the move action
417 - GNUmakefile : Added a macro for moc file
418 - Moc files : Suppression of all theses files. They are now autogenerated
419   thanks to config/common.gmk
420
4214th January 2008  John Allison  (opengl-V09-01-00)
422- Implemented extended 2D interface.
423
42430th November 2007  Laurent Garnier
425- Improvements for Qt3
426- moc files : Adding other versions for QT_MOC_REVISION 28,58 and
427   59, but this is not the right solution..
428
42919th November 2007  Joseph Perl (for Laurent Garnier) (opengl-V09-00-04)
430- Added GEANT4_QT_DEBUG flag to more places
431
43215th November 2007  John Allison  (opengl-V09-00-03)
433- Re-introduced Qt files, now properly protected by cpp flags.
434- cpp flags also added to some other files not previously properly protected.
435
43615 Nov 2007, Laurent Garnier
437 - G4UIQt,G4Qt : Adding a GEANT4_QT_DEBUG flag to hide all debug messages
438 - G4UIQt,G4Qt : Compilation improvements for Qt3
439 - G4UIQt,G4Qt : Minors corrections on G4UIQt helpWidget
440
44114 Nov 2007, Laurent Garnier
442 - G4OpenGLStoredQtViewer.cc : Correction of a bug with mouse move event in
443     Qt4
444 - G4OpenGLQtExportDialog_moc.cc, G4OpenGLQtViewer.cc, G4OpenGLQtViewer_moc.cc :
445     Adding protection for Qt version between 4.0 and 4.2
446
44713th November 2007  John Allison  (opengl-V09-00-02)
448- Removed Qt files from tag.  File are still at head - need fixing.
449
45013 Nov 2007, Laurent Garnier
451 - G4UIQt,G4Qt : Moving all moc in one big file interface/G4UIQT_moc.cc,
452   including Qt3 and Qt4 moc support
453
45410th November 2007  John Allison  (opengl-V09-00-01)
455- Moved WinSize_x, y to base class G4OpenGLViewer.
456- Minor improvement in guidance for /vis/ogl/printEPS.
457
45809 Nov 2007, Laurent Garnier
459 - G4UIQt,G4Qt : Change all include directive to be compatible with Qt3
460
46108 Nov 2007, Laurent Garnier
462 - moc_G4OpenGLQtExportDialog.cc move in G4OpenGLQtExportDialog_moc.cc
463 - moc_G4OpenGLQtViewer.cc move to G4OpenGLQtViewer_moc.cc
464
46527 Sept 2007, Laurent Garnier
466 - Adding sur files for G4UIQt driver :
467   - G4OpenGLImmediateQt.cc
468   - G4OpenGLImmediateQtViewer.cc
469   - G4OpenGLQtExportDialog.cc
470   - G4OpenGLQtViewer.cc
471   - G4OpenGLStoredQt.cc
472   - G4OpenGLStoredQtViewer.cc
473   - moc_G4OpenGLQtExportDialog.cc
474   - moc_G4OpenGLQtViewer.cc
475
47628th September 2007  lgarnier
477- first import of G4UI Qt files : Do not try to compil them
478
47921st August 2007  John Allison  (opengl-V09-00-00)
480- Removed redundant G4OpenGLXViewerMessenger.
481
48225th May 2007  John Allison  (opengl-V08-03-03)
483- G4OpenGLSceneHandler and G4OpenGLXViewerMessenger:
484  Fixed gcc-4.1.2 compiler warnings.
485
48625th May 2007  John Allison  (opengl-V08-03-02)
487- G4OpenGLXViewer: Trapped glXMakeCurrent in Initialise function.
488
48924th May 2007  John Allison  (opengl-V08-03-01)
490- Fixes for SUN.
491
49216th May 2007  John Allison  (opengl-V08-03-00)
493- Fix compiler warnings on SLC4.
494- Bug fixes:
495  o Correct path /vis/ogl/set/printMode.
496  o Add SetView to pixmap screen dump ("/vis/ogl/set/printMode pixmap"
497    and "/vis/ogl/printEPS").
498
4998th May 2007  John Allison  (opengl-V08-02-06)
500- Moved vectored PostScript printing to G4OpenGLViewer.
501- /vis/ogl/printEPS should work for all viewers, including Win32.
502- Introduced /vis/ogl/set/printMode vectored|pixmap, currently only
503  effective on X windows (and still somewhat buggy).
504
5054th April 2007  John Allison  (opengl-V08-02-05 - needs visman-V08-02-04)
506- Implemented picking for OGLSX ( as well as OGLIX).  Hopefully works
507  for OGL*Win32.  Still doesn't work for OGL*Xm.
508
5093rd April 2007  John Allison  (opengl-V08-02-04 - needs visman-V08-02-03)
510- G4OpenGLStoredSceneHandler:
511  o Re-organised display lists on a per-primitive basis, i.e., one
512    display list per primitive.  (This is so that, except for text,
513    the colour - or, rather, intensity - can be brought out of the
514    display list into the TOList (Transient Object List) and
515    controlled for the Display-by-Time feature.  Previously, if more
516    than one primitive were drawn between BeginPrimitives and
517    EndPrimitives, it would finish up all in one display list, colour
518    commands included. Rationalises and fixes a rare bug in the
519    Display-by-Time feature - see August 2006.)
520  o Added AddPrimitive(const G4Polymarker&) so that it is treated as
521    one primoitive to fit with the above re-organisation.
522- Implemented picking for OGLIX.
523
52425th March 2007  John Allison  (opengl-V08-02-03)
525- Fix compiler warnings.
526
5278th February 2007  John Allison  (opengl-V08-02-02)
528- Fixed Windows problem with DBL_MAX.  (Introduced G4OPENGL_DBL_MAX.)
529- G4OpenGLXViewer.cc: Small bug fix in print().  (Context was switched
530  .but not switched back.  Not serious, because context was always set
531  before normal drawing.)
532
5339th January 2007  John Allison  (opengl-V08-02-01)
534- Implemented bitmap markers for MarkerSizeType == screen.  (The old
535  polygon implementation remains for MarkerSizeType == world.)
536- Added G4OpenGLBitMapStore to assist the above.
537- G4OpenGLXViewer::CreateGLXContext:
538  o Bug fix: Added missing break in colormap lookup routine.
539
5405th January 2007  John Allison  (opengl-V08-02-00)
541- G4OpenGLSceneHandler.cc:
542  o Followed change of signature of GetLineWidth in visman-V08-02-00.
543  o Minor efficiency improvements.
544
54521st November 2006  John Allison  (opengl-V08-01-09)
546- Fixed compiler warnings.
547
5481st November 2006  John Allison  (opengl-V08-01-08)
549- Replace /vis/oglx/set/printEPS by /vis/oglx/printEPS.  The new command
550  actually initiates a print, rather than set a flag for printing.
551
55224th October 2006  John Allison  (opengl-V08-01-07)
553- G4OpenGLStoredViewer.cc: Calculate light front horizon properly.
554- G4OpenGLViewerMessenger.cc: Make refresh depend on auto-refresh.
555
55619th September 2006  John Allison  (opengl-V08-01-06)
557- Added time origin for light front.
558- Added /vis/ogl/set/transparency.
559- G4OpenGLStoredViewer.cc: Bug fix in time range acceptance.
560
5614th September 2006  John Allison  (opengl-V08-01-05)
562- Implement cutaways.
563- Immediate mode: G4OpenGLImmediateSceneHandler.cc: Flush all
564  primitives (see detector being drawn).
565- /vis/oglx/set/printEPS: change parameter default to true.
566
56730th August 2006  John Allison  (opengl-V08-01-04)
568- G4OpenGLSceneHandler:
569  o Implemented line width.
570  o Switched off back face culling when clipping so that the inside of
571    volumes can be seen.
572  o Added CreateSection/CutawayPolyhedron to exploit generic
573    sectioning (DCUT) and cutaways.  Currently not activated due to
574    instabilities in BooleanProcessor.  Local sectioning still active
575    but broken (at least on Mac) due to apparent change in effect of
576    clipping planes (polyhedron edges not reconstructed).
577  o Rationalised calculation of marker size.
578- G4OpenGLStoredSceneHandler:
579  o Fixed bug due to recursive calls of AddPrimitive (polymarkers -> markers).
580  o Pick up time range from G4VisAttributes.
581- G4OpenGLViewer(Messenger):
582  o Added position and colour to /vis/ogl/set/displayHeadTime.
583  o Added /vis/ogl/set/displayLightFront.
584- G4OpenGLStoredViewer.cc:
585  o Rationalised CompareForKernelVisit.  (Local sectioning still active.)
586  o Added position and colour to DisplayHeadTime.
587  o Added DisplayLightFront.
588 
58916th August 2006  John Allison  (opengl-V08-01-03)
590- Corrected Solaris compilation error.
591- Added /vis/ogl/set/fade and displayHeadTime.
592
59314th August 2006  John Allison  (opengl-V08-01-02)
594- Needs visman-V08-01-02.
595- G4OpenGLStored: Implemented display-by-time.  Only available in
596  stored mode at present.  Only implemented for circle, square,
597  polyline and polymarker at present, enough for currently available
598  trajectory models.  Time is communicated via G4AttValues.
599- Added G4OpenGLViewerMessenger.
600- Added /vis/ogl/set/startTime and endTime of displayed objects.
601- All factories: Instantiated G4OpenGLViewerMessenger.
602- G4OpenGLViewer: Added fStart/EndTime.
603- G4OpenGLXViewer.cc: Graceful recovery from unexpected tokens in
604  spewPrimitiveEPS and spewSortedFeedback.
605
60617th July  John Allison  (opengl-V08-01-01)
607- Added /vis/oglx/set/printEPS (prints eps file on every update).
608
6093rd July 2006  John Allison  (opengl-V08-01-00)
610- Elimination of redundant variable doublebuffer and implementation of
611  FinishView in all viewers.
612
61330th May 2006  Joseph Perl  (opengl-V08-00-08)
614- G4OpenGLImmediateWin32Viewer: Removed tests on doublebuffer since that
615  variable seems to have random behavior and should be assumed false for
616  this viewer.
617
61829th May 2006  Joseph Perl  (opengl-V08-00-07)
619- G4OpenGLWin32Viewer, G4OpenGLImmediateWin32Viewer, G4OpenGLStoredWin32Viewer:
620  Removed common FinishView and instead made separate FinishView for the two different
621  versions of this viewer since each wants a different buffer swapping behaviour.
622
62312th May 2006  John Allison  (opengl-V08-00-06)
624- G4OpenGLWin32Viewer: Fixed buffer swapping behaviour.
625
62628th April 2006  John Allison  (opengl-V08-00-05 - needs visman-V08-00-14)
627- G4OpenGLStoredX/Xm/Win32Viewer.cc: Fixed buffer swapping problem when
628  recomputing transients.
629
63024th April 2006  John Allison  (opengl-V08-00-04)
631- Fixed compilation problem on Windows.
632
63319th April 2006  John Allison  (opengl-V08-00-03)
634- G4OpenGLSceneHandler, G4OpenGLStoredSceneHandler and
635  G4OpenGLImmediateSceneHandler:
636  o Implemented Begin/EndPrimitives2D (needs visman-V08-00-12 and
637    greps-V08-00-02).
638  o Migrated to direct access to G4PhysicalVolumeModel.
639- G4OpenGLStoredX/Xm/Win32Viewer.cc: bug fix for conditional drawing
640  of display lists in DrawView.
641
64214th March 2006  John Allison  (opengl-V08-00-02)
643- Refined display list building and re-drawing algorithm.
644  o G4OpenGLStoredSceneHandler::EndModeling: Changed to GL_COMPILE_AND_EXECUTE.
645  o Avoided unnecessary re-execution in DrawView (X, Xm and Win32).
646- G4OpenGLStoredSceneHandler::RequestPrimitives: Refined display list
647  re-use algorithm.  In test19 with global culling off, numbers of
648  display lists used are:
649  o 191  No re-use:
650  o  73  Before this change: re-use except replicas (includes parameterised).
651  o  33  After this change: re-use except parameterised and replicas in radius.
652
65326th January 2006  John Allison  (opengl-V08-00-01)
654- Coworks with visman-V08-00-04 (removed fModified).
655- Removed references to fModified.
656- Tidying: Removed unnecessary ClearView.
657- G4OpenGLSceneHandler.cc: Added some (commented out) code for
658  possible future implementation of 2D drawing.
659- G4OpenGLXViewer.cc: Improved exception printing.
660
66111th January 2006  John Allison  (opengl-V08-00-00)
662- Improved efficiency: all DrawView's:
663  o Don't call ClearView.
664  o Set flag so SetView will not be called in ProcessView.
665  o Leave background colour to ClearView.
666- Used dynamic_cast<G4OpenGLViewer*>, no need for G4OpenGLViewerDataStore.
667- G4OpenGLXmViewerMessenger: Made a smart singleton; interrogates vis manager
668  for current viewer.
669
67024th November 2005  John Allison  (opengl-V07-01-09)
671- Protected G4OpenGLXmViewerMessenger with #ifdef G4VIS_BUILD_OPENGLXM_DRIVER.
672
67322nd November 2005  John Allison  (opengl-V07-01-08)
674- Added G4OpenGLXmViewerMessenger.
675- Corrected text position.
676- Made depth test for polyhedron GL_LEQUAL (slightly dominant).
677
67817th November 2005  Gabriele Cosmo
679- Fixed settings of background style for WIN32 viewers.
680
68113th November 2005  John Allison  (opengl-V07-01-07)
682- Implemented X-Window-style geometry hints in G4OpenGLXViewer.
683
68413th October 2005  John Allison  (opengl-V07-01-06)
685- Allowed any colour background.
686- Implemented non-uniform scaling.
687- Migration to <sstream>.
688
68929th September 2005  John Allison  (opengl-V07-01-05)
690- Added G4OpenGLViewerDataStore to facilitate access of viewer data by
691  scene handler.
692- Re-implemented transparency button in OpenGLXm.
693
69413th September 2005  John Allison  (opengl-V07-01-04 - needs visman-V07-01-02)
695- Implemented white background for all OGL viewers.
696- G4OpenGLSceneHandler.cc:
697  o Fixed hidden line removal (bug introduced in opengl-V07-01-02).
698  o Fixed treatment of triangular polygons for drawing of auxiliary/soft lines.
699  o Corrected GetTextColour(text).
700  o Corrected GetColour(polyhedron).
701
7025th September 2005  John Allison  (opengl-V07-01-03)
703- Bug fix: stored transparent objects were being lost.
704
7052nd September 2005  John Allison  (opengl-V07-01-02 - needs visman-V07-01-01)
706- Bug fix: edgeflags problem introduced with smooth shading in
707  opengl-V07-01-00.
708- Implementation of a "better algorithm" for the rendering of
709  transparent polyhedron objects.  It renders all opaque objects
710  first, then renders the transparent objects with the depth buffer in
711  read-only mode (see OpenGL Programming Guide).  It uses the new
712  facility in G4VSceneHandler::ProcessScene for an optional second pass
713  of the run-duration models in the scene.  Note this algorithm is
714  still only an approximation.  It will still give the wrong blended
715  colour if two transparent objects are rendered front first.  For
716  nested transparent objects, this is unfortunate, because
717  G4PhysicalVolumeModel traverses Geant4's mother-daughter hierarchy
718  in such a way that mothers come first.  Also, there is no guaranteed
719  relationship between the order of rendering and the depth of two
720  transparent objects if they are at the same level or in different
721  branches of the hierarchy.  Still, the only error will be an
722  incorrect colour - the objects will still give the appearance of
723  transparency, so it's a pretty good algorithm.  (An even better
724  algorithm would be to attempt to render the facets in depth order,
725  deepest first.  But how do you calculate the depth - centre of area,
726  deepest corner?  One can still imagine pathalogical cases that would
727  sometimes give the wrong colour.  Also, for stored mode, the order
728  is fixed in a display list so when the user rotates the view, one
729  would lose the depth ordering.  I think we have to accept that
730  blending in OpenGL is only ever an approximation.  For accurate
731  blending, use RayTracer.)
732
73328th August 2005  John Allison  (opengl-V07-01-01)
734- Half-way implementation of rendering of transparent polyhedron
735  objects.  In this implementation, no account is taken of the order
736  of rendering.  Transparent objects are rendered with depth testing
737  off so that objects behind can still be seen.  But this means that
738  opaque objects in front do not obscure them - and they jolly well
739  should!  A better algorithm is to render all opaque objects first,
740  then render the transparent objects with the depth buffer in
741  read-only mode (see OpenGL Programming Guide).  This is going to
742  take a little more thought - see opengl-V07-01-02.
743
74420th July 2005  John Allison  (opengl-V07-01-00)
745- Introduced smooth shading, taking advantage of hitherto un-noticed
746  feature of HepPolyhedron::GetNextFacet that calculates the normals
747  at each vertex so that curved surfaces are rendered more
748  realistically (Gouraud shading).
749- G4OpenGLImmediateSceneHandler.cc: Removed unnecessary #include's.
750- G4OpenGLXmViewer.cc: Fixed to use window size hints.  This changes
751  the default window size.  It used to be 400x400, hardcoded in
752  G4OpenGLXmViewer.cc, but now it picks up the
753  G4ViewParameters::GetWindowSizeHintX/Y, which defaults to 600x600.
754  The user may change it on the command line, e.g:
755    /vis/open OGLSXm 500
756  or
757    /vis/viewer/create ! ! 500
758
75930th May 2005  John Allison  (opengl-V07-00-03)
760- Fixed compilation problem in OpenGL on SUN.  (Replaced multimap by
761  map of vectors in G4OpenGLFontBaseStore.)
762
7634th May 2005  John Allison  (opengl-V07-00-02)
764- Restored sequence Set/Clear/DrawView in ClearTransientStore.  (It
765  was taken out to prevent recursive calling, but that seems to be OK,
766  and it is needed to implement refresh at end of event/run.)
767
76822nd April 2005  John Allison  (opengl-V07-00-01)
769- Rationalised work of opengl-V07-00-00.  Functionality unchanged.
770  o G4OpenGLViewer.hh: Created virtual void CreateFontLists(){}.
771  o In all concrete viewers, added call to CreateFontLists().
772  o Moved font code for X to G4OpenGLXViewer::CreateFontLists().
773  o There is no longer a need to implement in the XmViewer, since it
774    now inherits.  Thus the font code now only appears once for X.
775  o Awaiting implementation for WIN32.
776
77717th April 2005  John Allison  (opengl-V07-00-00)
778- Based on vis-V07-00-13.
779- Implemented text for X-Windows viewers.  Uses glXUseXFont, which
780  creates display lists for nominated fonts.  Simple-minded scheme in
781  which each viewer creates its own font display lists for a variety
782  of sizes, which are accessed by the scene handler through a new
783  class, G4OpenGLFontBaseStore.  Affected methods:
784    G4OpenGLXViewer::CreateMainWindow()
785    G4OpenGLXmViewer::CreateMainWindow()
786    G4OpenGLSceneHandler::AddPrimitive (const G4Text& text)
787
78818th November 2004  John Allison  (opengl-V06-02-07)
789- Removed redundant fLastVP from G4OpenGLStoredSceneHandler.
790
79115th November 2004  Guy Barrand
792- G4OpenGLWin32Viewer::ShowView : glFlush was not sufficient
793  to see trajectories (for example with N03). Correct so that
794  ShowView do a FinishView that does : glFlush, wglSwapBuffer
795  and empty the Windows message queue.
796
79722nd September 2004  John Allison  (opengl-V06-02-06)
798- doxygen output to tmp area.
799- Trap non-regular polyhedrons.
800
80113th September 2004  Gabriele Cosmo  (opengl-V06-02-05)
802- G4OpenGLTransform3D.cc: simplified implementation for GetMatrix()
803  to allow for porting on CLHEP-1.9.X series.
804
80523rd July 2004  John Allison
806- Draws auxiliary edges if required.
807- Added auxiliary edge button.
808
80916th July 2004  John Allison  (opengl-V06-02-04)
810- Refinements to hidden line, hidden surface removal.
811
81214th July 2004  John Allison  (opengl-V06-02-03)
813- Removed superfluous #include "G4VisManager.hh" from G4OpenGLXmViewer.cc.
814
81513th July 2004  John Allison  (opengl-V06-02-02)
816- Hidden line *and* hidden surface removal now works.
817
8189th July 2004  John Allison  (opengl-V06-02-01)
819- Fixed long-standing problem with hidden line removal.
820- Improved messages on failure to get visual.
821- Added GLX_STENCIL_SIZE explicit request to visual attributes - most
822  systems provided by default anyway, so no effect.
823
8241st July 2004  John Allison  (opengl-V06-02-00)
825- Rationalised G4OpenGLSceneHandler ready for hidden line removal.
826- Bug fix in G4OpenGLXmPanningCallbacks.cc for dolly control.
827
82818th June 2004  Gunter Folger (geant4-06-02)
8299th June 2004  Gabriele Cosmo  (vis-V06-01-03)
8307th June 2004  Gabriele Cosmo  (vis-V06-01-02)
831- GNUmakefile and disclaimer changes - see visualization/History.
832
8339th April 2004  John Allison  (vis-V06-01-01 + interfaces-V06-01-00)
834- Tagged OpenGL as below.  Joint with interfaces-V06-01-00.
835
8367th April 2004  Guy Barrand
837- visualization/OpenGL/* : use the G4OpenGL.hh file.
838- Added : visualization/OpenGL/include/G4OpenGL.hh to encapsulate
839  the include of gl/gl.h and gl/glu.h that may be platform dependant.
840  It permits to rm some #ifdef WIN32 spread in the code. It opens also
841  the way to the usage of the Apple OpenGL on a Mac.
842
84317th February 2004  John Allison  (opengl-V06-00-00)
844- Fixed bug #581: wrong order of statements in
845  G4OpenGLXViewer::~G4OpenGLXViewer (see bug report).
846
8474th October 2003  Gabriele Cosmo  (vis-V05-02-01)
848- GNUmakefile:
849  o replaced "digits+hits" with "digits_hits".
850- Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
851
85222nd September 2003  John Allison  (vis-V05-02-00, greps-V05-02-00)
853- Cosmetic change to regularise names:
854  o changed _Feedback3Dcolo to G4OpenGLXViewerFeedback3Dcolor.
855  o changed _DepthIndex to G4OpenGLXViewerDepthIndex.
856
85723rd June 2003  Guy Barrand  (opengl-V05-01-02)
858- Commit a first implementation of G4OpenGLWin32Viewer.
859
86010th June 2003  Gabriele Cosmo  (opengl-V05-01-01)
861- More fixes for warnings in viewers classes.
862- Added inclusion of <windows.h> for WIN32 platforms when GL headers
863  are included.
864
86505th June 2003  Gabriele Cosmo  (opengl-V05-01-00)
866- Fixes for porting compilation on WIN32:
867  o G4OpenGLWin32Viewer[.hh.cc]: removed inclusion of <GL/glx.h>.
868  o G4OpenGLViewer.cc: replaced local variables near/far with pnear/pfar
869    since declared 'obsolete' in WIN32 platforms.
870
87127th November 2002  John Allison  (vis-V04-01-08)
872- Improved algorithm of CompareForKernelVisit.
873
87411th November 2002  John Allison  (opengl-V04-01-02)
875- Corrected inclusion of G4OpenGLXViewer #ifdef X_DRIVER.
876- Added G4OpenGLSceneHandler::AddThis for trajectories and hits - simply
877  call default but there as a marker and encourager.
878- Added tracking and digits+hits/hits to GNUmakefile.
879
88016th October 2002  John Allison  (opengl-V04-01-01)
881- Fix for WIN32.  Now compiles but viewer not implemented.
882
88324th June 2002  John Allison  (opengl-V04-01-00)
884- Further cosmetic changes in G4OpenGLXViewer.cc for DEC compiler.
885
88610th June 2002  John Allison  (opengl-V04-00-03)
887- Cosmetic changes for SUN-CC in G4OpenGLXmConvenienceRoutines.cc.
888
8896th June 2002  John Allison  (opengl-V04-00-02)
890- Cosmetic changes for GNU compiler in G4OpenGLXViewer.cc.
891
89223rd February 2002  John Allison  (opengl-V04-00-01)
893- Changes to encourage compilation on Windows in preparation for
894  implementation of G4OpenGLWin32Viewer.  Removed spurious includes of
895  glx.h, unistd.h and assert.h.
896
89724th August 2001  John Allison  (vis-V03-02-13)
898- Limited the printing of warnings in
899  G4OpenGLSceneHandler::AddPrimitive (const G4Text& text).
900
90114th August 2001  John Allison  (vis-V03-02-11)
902- Improved KernelVisitDecision.
903- Fixed a few small bugs in multiple "stored" viewers, but see next item.
904- There's an outstanding bug in OpenGL Stored.  If there is more than
905  one viewer controlled by a scene handler, after a ClearStore on the
906  scene handler, e.g., with /vis/scene/notifyHandlers, the first
907  viewer to get refreshed should trigger the display list rebuild, but
908  the second need not.  However, when the second viewer's turn comes,
909  the display lists are there, and are called, e.g.,
910  G4OpenGLStoredXViewer::DrawView calls
911  G4OpenGLStoredViewer::DrawDisplayLists that calls glCallList, but
912  nothing appears on the screen.  To overcome this there is some
913  temporary code in G4VViewer::NeedKernelVisit which marks *all*
914  viewers to force a rebuild.  To see the symptoms, comment out that
915  temporary code and issue these commands:
916    /vis/verbose c
917    /control/verbose 2
918    /vis/scene/create
919    /vis/scene/add/volume
920    /vis/sceneHandler/create OGLSX
921    /vis/viewer/create ! ! 1
922    /run/beamOn
923    /vis/viewer/create ! ! 1
924    /vis/viewer/select viewer-0
925    /vis/viewer/viewpointThetaPhi 20 20
926    /vis/viewer/select viewer-1
927    /vis/viewer/viewpointThetaPhi 40 40
928    /vis/viewer/set/style surface
929    /vis/viewer/refresh
930    /vis/viewer/select viewer-0
931    /vis/viewer/refresh
932    /vis/viewer/select viewer-1
933    /vis/viewer/set/style wireframe
934    /vis/scene/notifyHandlers
935  You may have to do this too:
936    /vis/viewer/select viewer-0
937    /vis/scene/notifyHandlers
938  One of the viewers is empty.  Curious!!
939
9409th August 2001  John Allison  (vis-V03-02-10-00)
941- Implemented G4OpenGLStoredSceneHandler::ClearTransientStore()
942- Removed G4OpenGLSceneHandler::AddPrimitive (const G4Polymarker&) (it only
943  invoked G4VSceneHandler::AddPrimitive (const G4Polymarker&) which is
944  picked up by inheritance anyway.
945- Removed lots of unnecessary header files from G4OpenGLStoredSceneHandler.cc.
946- Corrected order of calling base class functions in
947  G4OpenGLStoredSceneHandler::Begin/EndModeling.
948
94924th July 2001  John Allison  (vis-V03-02-06)
950- G4OpenGLSceneHandler::AddPrimitive (const G4Text&) handles transformation.
951
95214th July 2001  John Allison (opengl-V03-02-00)
953- Fixed crash in optimised mode: added Initialise() to viewers so
954  that windows are opened after viewers are fully constructed.
955
9562nd April 2001  John Allison (opengl-V03-00-01 wrt vis-V03-00-09)
957- Tidied G4OpenGLXmViewer callback code.  Removed superfluous header files.
958
9597th March 2001  John Allison
960- Changed char* to const char* in many places and that gave problems in
961  calls to Xt and Xm.  Hope all's OK.  Differences:
962    cvs diff -r vis-V03-00-06 vis-V03-00-07
963
96425th January 2001  John Allison  (opengl-V03-00-00)
965- Implemented running re-calculation of up-vector in the case of "object
966  rotation" (lights move with camera) to prevent "flipping" of view when
967  camera passes through up-vector.  Note that the default is "camera
968  rotation" (lights do not move with camera, i.e., remain fixed relative
969  to object) so the default is that this "flipping" can happen.  To set
970  "object rotation" (lights move with camera) use
971  /vis/lights/move_with_camera true (soon to be
972  /vis/viewer/set/lights move-with-camera) or click "Object" radio button
973  on Rotation Panel in OpenGLXm mode.
974- Changed some objects to references for efficiency.  E.g.:
975  const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
976
97722nd May 2000  John Allison  (opengl-V01-01-00)
978- Fixed slow response of 2nd window of OpenGLXm.  Worked around Mesa bug
979  by sharing static visuals in G4OpenGLXViewer (Guy Barrand):
980    static XVisualInfo* vi_single_buffer;
981    static XVisualInfo* vi_double_buffer;
982- Removed ChooseVisual from G4OpenGLXmViewer.cc - done in base class
983  G4OpenGLXViewer.
984- Protected double deletion of window in destructors of G4OpenGLXmViewer
985  and G4OpenGLXViewer (Guy Barrand).
986- Changed requested bits per colour to r,g,b = 1,1,1 in G4OpenGLViewer.cc.
987- Corrected order of CreateMainWindow() and InitializeGLView() in X*Viewer
988  constructors.
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