source: trunk/source/visualization/OpenGL/History @ 1241

Last change on this file since 1241 was 1240, checked in by garnier, 15 years ago

debugging
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1$Id: History,v 1.163 2010/01/28 09:19:04 gcosmo 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     ----------------------------------------------------------
193rd March 2010 Laurent Garnier
20- G4OpenGLViewer : Add protection against null pointer scene
21
2227th January 2010  Gabriele Cosmo
23- Fixed compilation warnings on G4OpenGLQtViewer and corrected compilation
24  error when using Qt-3.
25
266th January 2010  Laurent Garnier (needs interfaces-V09-02-07 + laurent-QtUI_with_tabs_v1)
27- GNUMakefile : Add include for interfaces/basic
28- G4OpenGLQtWiewer : Integration into QtUI Tab
29
3017th November 2009  John Allison  (opengl-V09-02-10)
31- Tagged for vis tag.
32
3317th November 2009  Gabriele Cosmo
34- Fixed problem in the generation of dependencies on Windows for some
35  files, due to redefinition of min and max macros from windows.h in
36  G4OpenGL.hh.
37- Fixed GNUmakefile.
38
393rd November 2009  John Allison  (opengl-V09-02-09 coworks greps-V09-02-03)
40- Tagged for system testing.
41
423rd November 2009  Laurent Garnier
43- G4OpenGLImmediateQtViewer, G4OpenGLStoredQtViewer : Protec Qt4 method
44  introduce 13rd october 09 by ifdef
45
463rd November 2009  John Allison
47- G4OpenGLXmPanningCallbacks: Fixed pView compilation problem.
48
4921 October 2009 Laurent Garnier
50 -  G4OpenGLQtViewer : Prepare to attach viewer In UI
51
5221st October 2009  John Allison  (opengl-V09-02-08 coworks greps-V09-02-02)
53- Added default AddCompound (const G4THitsMap<G4double>&) methods.
54  o Prevents warnings about hiding - calls G4VSceneHandler base class.
55
5615 October 2009 Laurent Garnier
57 - G4OpenGLViewer.cc : Fix a problem with printing. On mac OSX version
58   > 10.5.7? or Ubuntu > 9.04? AND with user account configure in french
59   (or canadian I believe), the decimal point character was defined by
60   "," (see LC_NUMERIC). This cause a problem on reading eps files.
61   Changed "," to "."
62
6313 October 2009 Laurent Garnier
64 - G4OpenGLImmediateQtViewer/StoredQtViewer : some cleaning
65 - G4OpenGLImmediateQtViewer : Remove picking to true at initialisation
66 - G4OpenGLQtViewer.cc : Fix a redraw problem on mac OS X 10.6
67 - G4OpenGLStoreQtViewer.cc,G4OpenGLImmediateQtViewer.cc : Fix width()
68   and height() problem on mac OS X 10.6
69
7029 September 2009  John Allison  (opengl-V09-02-07)
71- Tagged.
72
7318 August 2009 Laurent Garnier
74 - G4OpenGLXmViewer : Fix a wrong initialization introduce by the
75   new way of handling window size hints (January 2009)
76
7729 July 2009, Laurent Garnier
78 - G4OpenGLQtViewer : Ensure the GL frame size will be correct
79   by setting a 0 size margin around
80
8127 July 2009, Laurent Garnier
82 - G4OpenGLStoredQtViewer : Remove picking to true at initialisation
83
8420 May 2009, Laurent Garnier (opengl-V09-02-06)
85 - Fixed compilation errors on WIN32-VC for WIN32 specific drivers.
86
8718 May 2009, Joseph Perl (opengl-V09-02-05)
88 - Correct G4OpenGLViewerMessenger.hh
89
9014 May 2009, Laurent Garnier (opengl-V09-02-04)
91 - G4OpenGLViewer : Add methods to manage print size and filename
92 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printSize
93 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printFilename
94 - G4OpenGLQtViewer.cc,G4OpenGLXmMainMenuBarCallback.cc, renaming
95   according to first point.
96
9713 May 2009, Laurent Garnier
98 - G4OpenGLStoredQtViewer.cc: Fix a second view redraw at ShowView() call
99 - G4OpenGLQtViewer : Remove unuseful variables, renaming others
100 - G4OpenGLViewer : Add method for resizing properly windows. Add methods
101   to get window width, height and to know if size has changed
102 - G4OpenGLQtViewer, G4OpenGLStoredQtViewer, G4OpenGLImmediateQtViewer,
103   G4OpenGLXmViewer, G4XmWindowsHandlingCallback, G4OpenGLXViewer :
104     Apply the previous changes.
105
1066 May 2009, Laurent Garnier
107 - G4OpenGLQtViewer.cc: Fix compilation warning and error with gcc4.4
108
10928th April 2009, John Allison
110 - G4OpenGLViewerMessenger.cc: Added return statement at end of every
111   "if (command == ..." statement.  (Because of test for OGLS, it is
112   not elegant to use "if...else if...else" structure.)
113
11428th April 2009, Laurent Garnier
115 - G4OpenGLXViewer,G4OpenGLViewer : End of moving printEPS and associated
116   functions from GLXViewer to GLViewer.   
117 - G4OpenGLXViewer :
118   - Remove debug methods
119   - Add check in SetView() method
120 - G4OpenGLViewer : Add a glReadBuffer before glReadPixel in grabPixel method
121
1228th April 2009, Laurent Garnier
123 - G4OpenGLBitmapStore.hh : BugFix correction for windows (introduce 2nd February ?)
124 - G4OpenGLViewer.hh : move methods in private
125 - G4OpenGLXViewer.hh : Add debug methods
126 - G4OpenGLImmediateXmViewer.cc, G4OpenGLStoredViewer.cc, G4OpenGLStoredXmViewer.cc,
127   G4OpenGLStoredXViewer.cc, G4OpenGLViewer.cc   : Add debug messages
128 - G4OpenGLStoredXmViewer.cc,G4OpenGLStoredXViewer.cc, G4OpenGLStoredWin32Viewer.cc :
129   - Add a DrawDisplay list in case of KernelVisit=1 and  nothing new to display.
130   - Add a flush at the end of the view.
131 - G4OpenGLViewer.cc :
132   - Improve the fix and resizing when X/Y size was even (lack of precision
133     in a /2)
134   - Set line/point size at a default size when printing.
135 - G4OpenGLXmWindowsHandlingCallbacks.cc : print method rename in printEPS
136 - G4OpenGLXViewer.cc : Lot of changes, try to debug it. Pb when printing in pixmap
137   mode on some windows size
138
1396th April 2009, Joseph Perl (opengl-V09-02-02, then opengl-V09-02-03)
140 - New tag to clean up all of the cases of files that changed only in the cvs id.
141
14224th March 2009, Laurent Garnier (opengl-V09-02-01)
143 - G4OpenGLViewer : Add a fix and resizing when X/Y size was even (lack of precision
144   in a /2)
145
14618th March 2009  John Allison
147- G4OpenGLViewerMessenger.cc: printMode and transparency are available
148  for all OGL windows (they were previously inadvertently hidden by
149  an OGLS requirement).
150
15116th March 2009, Laurent Garnier
152 - G4OpenGLViewer : Add a check on max viewport dimensions when setting size.
153
1544rd March 2009, Laurent Garnier
155 - G4OpenGLQtViewer:
156   - Suppress some warnings when saving file
157   - Changing size is now allowed when saving (to save with better resolution than screen size)
158 - G4OpenGLViewer:
159  - Some renaming for print methods to be more clear about Vectored and non Vectored
160  - Now using Gl2PS method to do PS (changes also in G4OpenGLXViewer and G4OpenGLQtViewer)
161  - Suppress unuseful printX methods (heritated form XViewer)
162  - Add methods to handle printVectored and NonVector cases
163 - G4OpenGLViewerMessanger : Changes methods to get new G4OpenGLViewer methods to print
164
1651st March 2009, Laurent Garnier
166 - Remplacing glBitmap by GL_POINTS to draw marker : Speed improvment
167  and gl2ps can now draw Markers.
168
16916 February 2009, Laurent Garnier
170 - Modifications in GNUMakefile for gl2ps.
171 - G4OpenGLViewer,G4OpenGLViewerMessenger.cc,G4OpenGLXmMainMenubarCallbacks.cc
172   ,G4OpenGLXmViewer.cc modified for gl2ps and some renaming "print" in
173   "printVectoredEPS"
174
1752nd February 2009  Laurent Garnier
176- Improve Anticipate headers declaration in all files
177- Factorize grabPixels function in G4OpenGLViewer
178- Begin of refactoring printEPS function
179
18022th January 2009  Laurent Garnier
181- Fix bug in ratio and geometry on X/Xm/Qt/Win32 viewers
182
18319th January 2009  Laurent Garnier
184- Change G4DEBUG definition by G4DEBUG_VIS_OGL
185
18612th January 2009  John Allison
187- G4OpenGLViewer.cc: Pick up X and Y window size hints to define viewport.
188
1892 December, Laurent Garnier
190 - G4OpenGLImmediateXmViewer,G4OpenGLStoredXmViewer,G4OpenGLXmViewer
191   G4OpenGLImmediateXViewer, G4OpenGLStoredXViewer, G4OpenGLXViewer,
192   G4OpenGLXmWindowHandlingCallbacks,
193   G4OpenGLImmediateQtViewer.cc, G4OpenGLStoredQtViewer, G4OpenGLQtViewer
194   G4OpenGLImmediateWin32Viewer.cc, G4OpenGLStoredWin32Viewer, G4OpenGLWin32Viewer
195   ->  Replace WinSize by fWinSize and some improvments about size initialization
196
197 - G4OpenGLQtViewer.hh : Suppress WinSize private variable
198 - Now Could pass XString like 400x600-0+0 to viewers and set position and location. It
199   will work for Qt, X, Win32 for the moment.
200
20124 October, Laurent Garnier (opengl-V09-01-03)
202 - Change GEANT4_QT_DEBUG flag by QTDEBUG
203 - Suppress unuseful DEBUG messages
204
20512th October Laurent Garnier
206 - G4OpenGLQtExportDialog : improvments for Qt3"
207 - G4OpenGLQtViewer,G4OpenGLImmediateQtViewer,G4OpenGLStoreQtViewer : Add the name on OpenGlQt viewers
208 - G4OpenGLStoredQtViewer,G4OpenGLImmediateQt, G4OpenGLStoredQt : Change OGLSQT and OGLIQT by OGLSQt and OGLIQt
209
2102 October Laurent Garnier
211 - Fix a crash when there was no scene.
212
21328 July Laurent Garnier
214 - Fix a bug in XmRotation panel introduce in last commit by myself.
215
21620th June 2008  Laurent Garnier
217 - Correct some warnings
218 - Move rotation code of Xm and Qt in G4OpenGLViewer::rotateScene. Same code in now shared
219
22012th June 2008  Laurent Garnier
221 - Emit signals when moving/rotate scene, in order to get them in external app
222
22328th Mai 2008  Laurent Garnier
224 - Add mouse wheel zoom commands
225
22628th April 2008  Laurent Garnier
227 - Add better moc control/compilation step in GNUmakefile
228 - Fix a problem when launching QT VIS without QT UI (N02 for example)
229
23028th April 2008  John Allison  (opengl-V09-01-02)
231- G4OpenGLStoredSceneHandler: Tidied constructors of nested classes.
232
2334th April 2008  John Allison  (opengl-V09-01-01)
234- Fixed DBL_MAX problem in 2D drawing:
235  o changed G4OPENGL_DBL_MAX to G4OPENGL_FLT_BIG.
236- Fix gcc-4.3.0 compiler warnings.
237
23811th March 2008, Laurent Garnier
239 - Resolve QT3 compilation errors
240
24110th March 2008, Laurent Garnier
242 - Add a dialog panel to make movies (Right button->Actions->Movie parameters)
243 - Add ability to "auto rotate" volume launched with quick mouse move
244 - Lots of improvments for Qt3
245 - Improvments on moving steps with shortcuts
246 - Could now select between orthogonal/perspective view mode
247
2481st February 2008  John Allison
249 - G4OpenGLQtViewer.cc: Fix #ifdef QT protection.
250 - G4OpenGLSceneHandler.cc: Small improvement to logic of setting GL_LIGHTING.
251
25230th January 2008, Laurent Garnier
253 - Add moving camera on left/right/up/down arrown, going forward/backward
254   on SHIFT+up/down, zoom in with +/- keys
255 - Add a context menu entry for projection perspective/orthographic
256 - Fix some bugs on windows in export dialog
257
25815th January 2008, Laurent Garnier
259 - Fixed some layout problems on export dialog box
260 - Some improvements on exports formats
261 - Fix a bug in the help command : The clic callback on a item was not
262   working on windows
263 - Fix a crash at exit when launched on a MAC.
264 - EPS export format is now ready for Qt3
265 - Add Vectoriel EPS export format
266 - Fix an aspect ratio deformation when resize the widget
267 - Fix a crash at launch with leopard
268 - When selecting the "move" mouse action, this action was set even when
269   mouse button was released. Fixed : Now we should clic to have the move action
270 - GNUmakefile : Added a macro for moc file
271 - Moc files : Suppression of all theses files. They are now autogenerated
272   thanks to config/common.gmk
273
2744th January 2008  John Allison  (opengl-V09-01-00)
275- Implemented extended 2D interface.
276
27730th November 2007  Laurent Garnier
278- Improvements for Qt3
279- moc files : Adding other versions for QT_MOC_REVISION 28,58 and
280   59, but this is not the right solution..
281
28219th November 2007  Joseph Perl (for Laurent Garnier) (opengl-V09-00-04)
283- Added GEANT4_QT_DEBUG flag to more places
284
28515th November 2007  John Allison  (opengl-V09-00-03)
286- Re-introduced Qt files, now properly protected by cpp flags.
287- cpp flags also added to some other files not previously properly protected.
288
28915 Nov 2007, Laurent Garnier
290 - G4UIQt,G4Qt : Adding a GEANT4_QT_DEBUG flag to hide all debug messages
291 - G4UIQt,G4Qt : Compilation improvements for Qt3
292 - G4UIQt,G4Qt : Minors corrections on G4UIQt helpWidget
293
29414 Nov 2007, Laurent Garnier
295 - G4OpenGLStoredQtViewer.cc : Correction of a bug with mouse move event in
296     Qt4
297 - G4OpenGLQtExportDialog_moc.cc, G4OpenGLQtViewer.cc, G4OpenGLQtViewer_moc.cc :
298     Adding protection for Qt version between 4.0 and 4.2
299
30013th November 2007  John Allison  (opengl-V09-00-02)
301- Removed Qt files from tag.  File are still at head - need fixing.
302
30313 Nov 2007, Laurent Garnier
304 - G4UIQt,G4Qt : Moving all moc in one big file interface/G4UIQT_moc.cc,
305   including Qt3 and Qt4 moc support
306
30710th November 2007  John Allison  (opengl-V09-00-01)
308- Moved WinSize_x, y to base class G4OpenGLViewer.
309- Minor improvement in guidance for /vis/ogl/printEPS.
310
31109 Nov 2007, Laurent Garnier
312 - G4UIQt,G4Qt : Change all include directive to be compatible with Qt3
313
31408 Nov 2007, Laurent Garnier
315 - moc_G4OpenGLQtExportDialog.cc move in G4OpenGLQtExportDialog_moc.cc
316 - moc_G4OpenGLQtViewer.cc move to G4OpenGLQtViewer_moc.cc
317
31827 Sept 2007, Laurent Garnier
319 - Adding sur files for G4UIQt driver :
320   - G4OpenGLImmediateQt.cc
321   - G4OpenGLImmediateQtViewer.cc
322   - G4OpenGLQtExportDialog.cc
323   - G4OpenGLQtViewer.cc
324   - G4OpenGLStoredQt.cc
325   - G4OpenGLStoredQtViewer.cc
326   - moc_G4OpenGLQtExportDialog.cc
327   - moc_G4OpenGLQtViewer.cc
328
32928th September 2007  lgarnier
330- first import of G4UI Qt files : Do not try to compil them
331
33221st August 2007  John Allison  (opengl-V09-00-00)
333- Removed redundant G4OpenGLXViewerMessenger.
334
33525th May 2007  John Allison  (opengl-V08-03-03)
336- G4OpenGLSceneHandler and G4OpenGLXViewerMessenger:
337  Fixed gcc-4.1.2 compiler warnings.
338
33925th May 2007  John Allison  (opengl-V08-03-02)
340- G4OpenGLXViewer: Trapped glXMakeCurrent in Initialise function.
341
34224th May 2007  John Allison  (opengl-V08-03-01)
343- Fixes for SUN.
344
34516th May 2007  John Allison  (opengl-V08-03-00)
346- Fix compiler warnings on SLC4.
347- Bug fixes:
348  o Correct path /vis/ogl/set/printMode.
349  o Add SetView to pixmap screen dump ("/vis/ogl/set/printMode pixmap"
350    and "/vis/ogl/printEPS").
351
3528th May 2007  John Allison  (opengl-V08-02-06)
353- Moved vectored PostScript printing to G4OpenGLViewer.
354- /vis/ogl/printEPS should work for all viewers, including Win32.
355- Introduced /vis/ogl/set/printMode vectored|pixmap, currently only
356  effective on X windows (and still somewhat buggy).
357
3584th April 2007  John Allison  (opengl-V08-02-05 - needs visman-V08-02-04)
359- Implemented picking for OGLSX ( as well as OGLIX).  Hopefully works
360  for OGL*Win32.  Still doesn't work for OGL*Xm.
361
3623rd April 2007  John Allison  (opengl-V08-02-04 - needs visman-V08-02-03)
363- G4OpenGLStoredSceneHandler:
364  o Re-organised display lists on a per-primitive basis, i.e., one
365    display list per primitive.  (This is so that, except for text,
366    the colour - or, rather, intensity - can be brought out of the
367    display list into the TOList (Transient Object List) and
368    controlled for the Display-by-Time feature.  Previously, if more
369    than one primitive were drawn between BeginPrimitives and
370    EndPrimitives, it would finish up all in one display list, colour
371    commands included. Rationalises and fixes a rare bug in the
372    Display-by-Time feature - see August 2006.)
373  o Added AddPrimitive(const G4Polymarker&) so that it is treated as
374    one primoitive to fit with the above re-organisation.
375- Implemented picking for OGLIX.
376
37725th March 2007  John Allison  (opengl-V08-02-03)
378- Fix compiler warnings.
379
3808th February 2007  John Allison  (opengl-V08-02-02)
381- Fixed Windows problem with DBL_MAX.  (Introduced G4OPENGL_DBL_MAX.)
382- G4OpenGLXViewer.cc: Small bug fix in print().  (Context was switched
383  .but not switched back.  Not serious, because context was always set
384  before normal drawing.)
385
3869th January 2007  John Allison  (opengl-V08-02-01)
387- Implemented bitmap markers for MarkerSizeType == screen.  (The old
388  polygon implementation remains for MarkerSizeType == world.)
389- Added G4OpenGLBitMapStore to assist the above.
390- G4OpenGLXViewer::CreateGLXContext:
391  o Bug fix: Added missing break in colormap lookup routine.
392
3935th January 2007  John Allison  (opengl-V08-02-00)
394- G4OpenGLSceneHandler.cc:
395  o Followed change of signature of GetLineWidth in visman-V08-02-00.
396  o Minor efficiency improvements.
397
39821st November 2006  John Allison  (opengl-V08-01-09)
399- Fixed compiler warnings.
400
4011st November 2006  John Allison  (opengl-V08-01-08)
402- Replace /vis/oglx/set/printEPS by /vis/oglx/printEPS.  The new command
403  actually initiates a print, rather than set a flag for printing.
404
40524th October 2006  John Allison  (opengl-V08-01-07)
406- G4OpenGLStoredViewer.cc: Calculate light front horizon properly.
407- G4OpenGLViewerMessenger.cc: Make refresh depend on auto-refresh.
408
40919th September 2006  John Allison  (opengl-V08-01-06)
410- Added time origin for light front.
411- Added /vis/ogl/set/transparency.
412- G4OpenGLStoredViewer.cc: Bug fix in time range acceptance.
413
4144th September 2006  John Allison  (opengl-V08-01-05)
415- Implement cutaways.
416- Immediate mode: G4OpenGLImmediateSceneHandler.cc: Flush all
417  primitives (see detector being drawn).
418- /vis/oglx/set/printEPS: change parameter default to true.
419
42030th August 2006  John Allison  (opengl-V08-01-04)
421- G4OpenGLSceneHandler:
422  o Implemented line width.
423  o Switched off back face culling when clipping so that the inside of
424    volumes can be seen.
425  o Added CreateSection/CutawayPolyhedron to exploit generic
426    sectioning (DCUT) and cutaways.  Currently not activated due to
427    instabilities in BooleanProcessor.  Local sectioning still active
428    but broken (at least on Mac) due to apparent change in effect of
429    clipping planes (polyhedron edges not reconstructed).
430  o Rationalised calculation of marker size.
431- G4OpenGLStoredSceneHandler:
432  o Fixed bug due to recursive calls of AddPrimitive (polymarkers -> markers).
433  o Pick up time range from G4VisAttributes.
434- G4OpenGLViewer(Messenger):
435  o Added position and colour to /vis/ogl/set/displayHeadTime.
436  o Added /vis/ogl/set/displayLightFront.
437- G4OpenGLStoredViewer.cc:
438  o Rationalised CompareForKernelVisit.  (Local sectioning still active.)
439  o Added position and colour to DisplayHeadTime.
440  o Added DisplayLightFront.
441 
44216th August 2006  John Allison  (opengl-V08-01-03)
443- Corrected Solaris compilation error.
444- Added /vis/ogl/set/fade and displayHeadTime.
445
44614th August 2006  John Allison  (opengl-V08-01-02)
447- Needs visman-V08-01-02.
448- G4OpenGLStored: Implemented display-by-time.  Only available in
449  stored mode at present.  Only implemented for circle, square,
450  polyline and polymarker at present, enough for currently available
451  trajectory models.  Time is communicated via G4AttValues.
452- Added G4OpenGLViewerMessenger.
453- Added /vis/ogl/set/startTime and endTime of displayed objects.
454- All factories: Instantiated G4OpenGLViewerMessenger.
455- G4OpenGLViewer: Added fStart/EndTime.
456- G4OpenGLXViewer.cc: Graceful recovery from unexpected tokens in
457  spewPrimitiveEPS and spewSortedFeedback.
458
45917th July  John Allison  (opengl-V08-01-01)
460- Added /vis/oglx/set/printEPS (prints eps file on every update).
461
4623rd July 2006  John Allison  (opengl-V08-01-00)
463- Elimination of redundant variable doublebuffer and implementation of
464  FinishView in all viewers.
465
46630th May 2006  Joseph Perl  (opengl-V08-00-08)
467- G4OpenGLImmediateWin32Viewer: Removed tests on doublebuffer since that
468  variable seems to have random behavior and should be assumed false for
469  this viewer.
470
47129th May 2006  Joseph Perl  (opengl-V08-00-07)
472- G4OpenGLWin32Viewer, G4OpenGLImmediateWin32Viewer, G4OpenGLStoredWin32Viewer:
473  Removed common FinishView and instead made separate FinishView for the two different
474  versions of this viewer since each wants a different buffer swapping behaviour.
475
47612th May 2006  John Allison  (opengl-V08-00-06)
477- G4OpenGLWin32Viewer: Fixed buffer swapping behaviour.
478
47928th April 2006  John Allison  (opengl-V08-00-05 - needs visman-V08-00-14)
480- G4OpenGLStoredX/Xm/Win32Viewer.cc: Fixed buffer swapping problem when
481  recomputing transients.
482
48324th April 2006  John Allison  (opengl-V08-00-04)
484- Fixed compilation problem on Windows.
485
48619th April 2006  John Allison  (opengl-V08-00-03)
487- G4OpenGLSceneHandler, G4OpenGLStoredSceneHandler and
488  G4OpenGLImmediateSceneHandler:
489  o Implemented Begin/EndPrimitives2D (needs visman-V08-00-12 and
490    greps-V08-00-02).
491  o Migrated to direct access to G4PhysicalVolumeModel.
492- G4OpenGLStoredX/Xm/Win32Viewer.cc: bug fix for conditional drawing
493  of display lists in DrawView.
494
49514th March 2006  John Allison  (opengl-V08-00-02)
496- Refined display list building and re-drawing algorithm.
497  o G4OpenGLStoredSceneHandler::EndModeling: Changed to GL_COMPILE_AND_EXECUTE.
498  o Avoided unnecessary re-execution in DrawView (X, Xm and Win32).
499- G4OpenGLStoredSceneHandler::RequestPrimitives: Refined display list
500  re-use algorithm.  In test19 with global culling off, numbers of
501  display lists used are:
502  o 191  No re-use:
503  o  73  Before this change: re-use except replicas (includes parameterised).
504  o  33  After this change: re-use except parameterised and replicas in radius.
505
50626th January 2006  John Allison  (opengl-V08-00-01)
507- Coworks with visman-V08-00-04 (removed fModified).
508- Removed references to fModified.
509- Tidying: Removed unnecessary ClearView.
510- G4OpenGLSceneHandler.cc: Added some (commented out) code for
511  possible future implementation of 2D drawing.
512- G4OpenGLXViewer.cc: Improved exception printing.
513
51411th January 2006  John Allison  (opengl-V08-00-00)
515- Improved efficiency: all DrawView's:
516  o Don't call ClearView.
517  o Set flag so SetView will not be called in ProcessView.
518  o Leave background colour to ClearView.
519- Used dynamic_cast<G4OpenGLViewer*>, no need for G4OpenGLViewerDataStore.
520- G4OpenGLXmViewerMessenger: Made a smart singleton; interrogates vis manager
521  for current viewer.
522
52324th November 2005  John Allison  (opengl-V07-01-09)
524- Protected G4OpenGLXmViewerMessenger with #ifdef G4VIS_BUILD_OPENGLXM_DRIVER.
525
52622nd November 2005  John Allison  (opengl-V07-01-08)
527- Added G4OpenGLXmViewerMessenger.
528- Corrected text position.
529- Made depth test for polyhedron GL_LEQUAL (slightly dominant).
530
53117th November 2005  Gabriele Cosmo
532- Fixed settings of background style for WIN32 viewers.
533
53413th November 2005  John Allison  (opengl-V07-01-07)
535- Implemented X-Window-style geometry hints in G4OpenGLXViewer.
536
53713th October 2005  John Allison  (opengl-V07-01-06)
538- Allowed any colour background.
539- Implemented non-uniform scaling.
540- Migration to <sstream>.
541
54229th September 2005  John Allison  (opengl-V07-01-05)
543- Added G4OpenGLViewerDataStore to facilitate access of viewer data by
544  scene handler.
545- Re-implemented transparency button in OpenGLXm.
546
54713th September 2005  John Allison  (opengl-V07-01-04 - needs visman-V07-01-02)
548- Implemented white background for all OGL viewers.
549- G4OpenGLSceneHandler.cc:
550  o Fixed hidden line removal (bug introduced in opengl-V07-01-02).
551  o Fixed treatment of triangular polygons for drawing of auxiliary/soft lines.
552  o Corrected GetTextColour(text).
553  o Corrected GetColour(polyhedron).
554
5555th September 2005  John Allison  (opengl-V07-01-03)
556- Bug fix: stored transparent objects were being lost.
557
5582nd September 2005  John Allison  (opengl-V07-01-02 - needs visman-V07-01-01)
559- Bug fix: edgeflags problem introduced with smooth shading in
560  opengl-V07-01-00.
561- Implementation of a "better algorithm" for the rendering of
562  transparent polyhedron objects.  It renders all opaque objects
563  first, then renders the transparent objects with the depth buffer in
564  read-only mode (see OpenGL Programming Guide).  It uses the new
565  facility in G4VSceneHandler::ProcessScene for an optional second pass
566  of the run-duration models in the scene.  Note this algorithm is
567  still only an approximation.  It will still give the wrong blended
568  colour if two transparent objects are rendered front first.  For
569  nested transparent objects, this is unfortunate, because
570  G4PhysicalVolumeModel traverses Geant4's mother-daughter hierarchy
571  in such a way that mothers come first.  Also, there is no guaranteed
572  relationship between the order of rendering and the depth of two
573  transparent objects if they are at the same level or in different
574  branches of the hierarchy.  Still, the only error will be an
575  incorrect colour - the objects will still give the appearance of
576  transparency, so it's a pretty good algorithm.  (An even better
577  algorithm would be to attempt to render the facets in depth order,
578  deepest first.  But how do you calculate the depth - centre of area,
579  deepest corner?  One can still imagine pathalogical cases that would
580  sometimes give the wrong colour.  Also, for stored mode, the order
581  is fixed in a display list so when the user rotates the view, one
582  would lose the depth ordering.  I think we have to accept that
583  blending in OpenGL is only ever an approximation.  For accurate
584  blending, use RayTracer.)
585
58628th August 2005  John Allison  (opengl-V07-01-01)
587- Half-way implementation of rendering of transparent polyhedron
588  objects.  In this implementation, no account is taken of the order
589  of rendering.  Transparent objects are rendered with depth testing
590  off so that objects behind can still be seen.  But this means that
591  opaque objects in front do not obscure them - and they jolly well
592  should!  A better algorithm is to render all opaque objects first,
593  then render the transparent objects with the depth buffer in
594  read-only mode (see OpenGL Programming Guide).  This is going to
595  take a little more thought - see opengl-V07-01-02.
596
59720th July 2005  John Allison  (opengl-V07-01-00)
598- Introduced smooth shading, taking advantage of hitherto un-noticed
599  feature of HepPolyhedron::GetNextFacet that calculates the normals
600  at each vertex so that curved surfaces are rendered more
601  realistically (Gouraud shading).
602- G4OpenGLImmediateSceneHandler.cc: Removed unnecessary #include's.
603- G4OpenGLXmViewer.cc: Fixed to use window size hints.  This changes
604  the default window size.  It used to be 400x400, hardcoded in
605  G4OpenGLXmViewer.cc, but now it picks up the
606  G4ViewParameters::GetWindowSizeHintX/Y, which defaults to 600x600.
607  The user may change it on the command line, e.g:
608    /vis/open OGLSXm 500
609  or
610    /vis/viewer/create ! ! 500
611
61230th May 2005  John Allison  (opengl-V07-00-03)
613- Fixed compilation problem in OpenGL on SUN.  (Replaced multimap by
614  map of vectors in G4OpenGLFontBaseStore.)
615
6164th May 2005  John Allison  (opengl-V07-00-02)
617- Restored sequence Set/Clear/DrawView in ClearTransientStore.  (It
618  was taken out to prevent recursive calling, but that seems to be OK,
619  and it is needed to implement refresh at end of event/run.)
620
62122nd April 2005  John Allison  (opengl-V07-00-01)
622- Rationalised work of opengl-V07-00-00.  Functionality unchanged.
623  o G4OpenGLViewer.hh: Created virtual void CreateFontLists(){}.
624  o In all concrete viewers, added call to CreateFontLists().
625  o Moved font code for X to G4OpenGLXViewer::CreateFontLists().
626  o There is no longer a need to implement in the XmViewer, since it
627    now inherits.  Thus the font code now only appears once for X.
628  o Awaiting implementation for WIN32.
629
63017th April 2005  John Allison  (opengl-V07-00-00)
631- Based on vis-V07-00-13.
632- Implemented text for X-Windows viewers.  Uses glXUseXFont, which
633  creates display lists for nominated fonts.  Simple-minded scheme in
634  which each viewer creates its own font display lists for a variety
635  of sizes, which are accessed by the scene handler through a new
636  class, G4OpenGLFontBaseStore.  Affected methods:
637    G4OpenGLXViewer::CreateMainWindow()
638    G4OpenGLXmViewer::CreateMainWindow()
639    G4OpenGLSceneHandler::AddPrimitive (const G4Text& text)
640
64118th November 2004  John Allison  (opengl-V06-02-07)
642- Removed redundant fLastVP from G4OpenGLStoredSceneHandler.
643
64415th November 2004  Guy Barrand
645- G4OpenGLWin32Viewer::ShowView : glFlush was not sufficient
646  to see trajectories (for example with N03). Correct so that
647  ShowView do a FinishView that does : glFlush, wglSwapBuffer
648  and empty the Windows message queue.
649
65022nd September 2004  John Allison  (opengl-V06-02-06)
651- doxygen output to tmp area.
652- Trap non-regular polyhedrons.
653
65413th September 2004  Gabriele Cosmo  (opengl-V06-02-05)
655- G4OpenGLTransform3D.cc: simplified implementation for GetMatrix()
656  to allow for porting on CLHEP-1.9.X series.
657
65823rd July 2004  John Allison
659- Draws auxiliary edges if required.
660- Added auxiliary edge button.
661
66216th July 2004  John Allison  (opengl-V06-02-04)
663- Refinements to hidden line, hidden surface removal.
664
66514th July 2004  John Allison  (opengl-V06-02-03)
666- Removed superfluous #include "G4VisManager.hh" from G4OpenGLXmViewer.cc.
667
66813th July 2004  John Allison  (opengl-V06-02-02)
669- Hidden line *and* hidden surface removal now works.
670
6719th July 2004  John Allison  (opengl-V06-02-01)
672- Fixed long-standing problem with hidden line removal.
673- Improved messages on failure to get visual.
674- Added GLX_STENCIL_SIZE explicit request to visual attributes - most
675  systems provided by default anyway, so no effect.
676
6771st July 2004  John Allison  (opengl-V06-02-00)
678- Rationalised G4OpenGLSceneHandler ready for hidden line removal.
679- Bug fix in G4OpenGLXmPanningCallbacks.cc for dolly control.
680
68118th June 2004  Gunter Folger (geant4-06-02)
6829th June 2004  Gabriele Cosmo  (vis-V06-01-03)
6837th June 2004  Gabriele Cosmo  (vis-V06-01-02)
684- GNUmakefile and disclaimer changes - see visualization/History.
685
6869th April 2004  John Allison  (vis-V06-01-01 + interfaces-V06-01-00)
687- Tagged OpenGL as below.  Joint with interfaces-V06-01-00.
688
6897th April 2004  Guy Barrand
690- visualization/OpenGL/* : use the G4OpenGL.hh file.
691- Added : visualization/OpenGL/include/G4OpenGL.hh to encapsulate
692  the include of gl/gl.h and gl/glu.h that may be platform dependant.
693  It permits to rm some #ifdef WIN32 spread in the code. It opens also
694  the way to the usage of the Apple OpenGL on a Mac.
695
69617th February 2004  John Allison  (opengl-V06-00-00)
697- Fixed bug #581: wrong order of statements in
698  G4OpenGLXViewer::~G4OpenGLXViewer (see bug report).
699
7004th October 2003  Gabriele Cosmo  (vis-V05-02-01)
701- GNUmakefile:
702  o replaced "digits+hits" with "digits_hits".
703- Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
704
70522nd September 2003  John Allison  (vis-V05-02-00, greps-V05-02-00)
706- Cosmetic change to regularise names:
707  o changed _Feedback3Dcolo to G4OpenGLXViewerFeedback3Dcolor.
708  o changed _DepthIndex to G4OpenGLXViewerDepthIndex.
709
71023rd June 2003  Guy Barrand  (opengl-V05-01-02)
711- Commit a first implementation of G4OpenGLWin32Viewer.
712
71310th June 2003  Gabriele Cosmo  (opengl-V05-01-01)
714- More fixes for warnings in viewers classes.
715- Added inclusion of <windows.h> for WIN32 platforms when GL headers
716  are included.
717
71805th June 2003  Gabriele Cosmo  (opengl-V05-01-00)
719- Fixes for porting compilation on WIN32:
720  o G4OpenGLWin32Viewer[.hh.cc]: removed inclusion of <GL/glx.h>.
721  o G4OpenGLViewer.cc: replaced local variables near/far with pnear/pfar
722    since declared 'obsolete' in WIN32 platforms.
723
72427th November 2002  John Allison  (vis-V04-01-08)
725- Improved algorithm of CompareForKernelVisit.
726
72711th November 2002  John Allison  (opengl-V04-01-02)
728- Corrected inclusion of G4OpenGLXViewer #ifdef X_DRIVER.
729- Added G4OpenGLSceneHandler::AddThis for trajectories and hits - simply
730  call default but there as a marker and encourager.
731- Added tracking and digits+hits/hits to GNUmakefile.
732
73316th October 2002  John Allison  (opengl-V04-01-01)
734- Fix for WIN32.  Now compiles but viewer not implemented.
735
73624th June 2002  John Allison  (opengl-V04-01-00)
737- Further cosmetic changes in G4OpenGLXViewer.cc for DEC compiler.
738
73910th June 2002  John Allison  (opengl-V04-00-03)
740- Cosmetic changes for SUN-CC in G4OpenGLXmConvenienceRoutines.cc.
741
7426th June 2002  John Allison  (opengl-V04-00-02)
743- Cosmetic changes for GNU compiler in G4OpenGLXViewer.cc.
744
74523rd February 2002  John Allison  (opengl-V04-00-01)
746- Changes to encourage compilation on Windows in preparation for
747  implementation of G4OpenGLWin32Viewer.  Removed spurious includes of
748  glx.h, unistd.h and assert.h.
749
75024th August 2001  John Allison  (vis-V03-02-13)
751- Limited the printing of warnings in
752  G4OpenGLSceneHandler::AddPrimitive (const G4Text& text).
753
75414th August 2001  John Allison  (vis-V03-02-11)
755- Improved KernelVisitDecision.
756- Fixed a few small bugs in multiple "stored" viewers, but see next item.
757- There's an outstanding bug in OpenGL Stored.  If there is more than
758  one viewer controlled by a scene handler, after a ClearStore on the
759  scene handler, e.g., with /vis/scene/notifyHandlers, the first
760  viewer to get refreshed should trigger the display list rebuild, but
761  the second need not.  However, when the second viewer's turn comes,
762  the display lists are there, and are called, e.g.,
763  G4OpenGLStoredXViewer::DrawView calls
764  G4OpenGLStoredViewer::DrawDisplayLists that calls glCallList, but
765  nothing appears on the screen.  To overcome this there is some
766  temporary code in G4VViewer::NeedKernelVisit which marks *all*
767  viewers to force a rebuild.  To see the symptoms, comment out that
768  temporary code and issue these commands:
769    /vis/verbose c
770    /control/verbose 2
771    /vis/scene/create
772    /vis/scene/add/volume
773    /vis/sceneHandler/create OGLSX
774    /vis/viewer/create ! ! 1
775    /run/beamOn
776    /vis/viewer/create ! ! 1
777    /vis/viewer/select viewer-0
778    /vis/viewer/viewpointThetaPhi 20 20
779    /vis/viewer/select viewer-1
780    /vis/viewer/viewpointThetaPhi 40 40
781    /vis/viewer/set/style surface
782    /vis/viewer/refresh
783    /vis/viewer/select viewer-0
784    /vis/viewer/refresh
785    /vis/viewer/select viewer-1
786    /vis/viewer/set/style wireframe
787    /vis/scene/notifyHandlers
788  You may have to do this too:
789    /vis/viewer/select viewer-0
790    /vis/scene/notifyHandlers
791  One of the viewers is empty.  Curious!!
792
7939th August 2001  John Allison  (vis-V03-02-10-00)
794- Implemented G4OpenGLStoredSceneHandler::ClearTransientStore()
795- Removed G4OpenGLSceneHandler::AddPrimitive (const G4Polymarker&) (it only
796  invoked G4VSceneHandler::AddPrimitive (const G4Polymarker&) which is
797  picked up by inheritance anyway.
798- Removed lots of unnecessary header files from G4OpenGLStoredSceneHandler.cc.
799- Corrected order of calling base class functions in
800  G4OpenGLStoredSceneHandler::Begin/EndModeling.
801
80224th July 2001  John Allison  (vis-V03-02-06)
803- G4OpenGLSceneHandler::AddPrimitive (const G4Text&) handles transformation.
804
80514th July 2001  John Allison (opengl-V03-02-00)
806- Fixed crash in optimised mode: added Initialise() to viewers so
807  that windows are opened after viewers are fully constructed.
808
8092nd April 2001  John Allison (opengl-V03-00-01 wrt vis-V03-00-09)
810- Tidied G4OpenGLXmViewer callback code.  Removed superfluous header files.
811
8127th March 2001  John Allison
813- Changed char* to const char* in many places and that gave problems in
814  calls to Xt and Xm.  Hope all's OK.  Differences:
815    cvs diff -r vis-V03-00-06 vis-V03-00-07
816
81725th January 2001  John Allison  (opengl-V03-00-00)
818- Implemented running re-calculation of up-vector in the case of "object
819  rotation" (lights move with camera) to prevent "flipping" of view when
820  camera passes through up-vector.  Note that the default is "camera
821  rotation" (lights do not move with camera, i.e., remain fixed relative
822  to object) so the default is that this "flipping" can happen.  To set
823  "object rotation" (lights move with camera) use
824  /vis/lights/move_with_camera true (soon to be
825  /vis/viewer/set/lights move-with-camera) or click "Object" radio button
826  on Rotation Panel in OpenGLXm mode.
827- Changed some objects to references for efficiency.  E.g.:
828  const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
829
83022nd May 2000  John Allison  (opengl-V01-01-00)
831- Fixed slow response of 2nd window of OpenGLXm.  Worked around Mesa bug
832  by sharing static visuals in G4OpenGLXViewer (Guy Barrand):
833    static XVisualInfo* vi_single_buffer;
834    static XVisualInfo* vi_double_buffer;
835- Removed ChooseVisual from G4OpenGLXmViewer.cc - done in base class
836  G4OpenGLXViewer.
837- Protected double deletion of window in destructors of G4OpenGLXmViewer
838  and G4OpenGLXViewer (Guy Barrand).
839- Changed requested bits per colour to r,g,b = 1,1,1 in G4OpenGLViewer.cc.
840- Corrected order of CreateMainWindow() and InitializeGLView() in X*Viewer
841  constructors.
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