source: trunk/source/visualization/OpenGL/History @ 1131

Last change on this file since 1131 was 1131, checked in by garnier, 15 years ago

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1$Id: History,v 1.151 2009/10/14 14:35:07 lgarnier 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     ----------------------------------------------------------
1913 October 2009 Laurent Garnier
20 - G4OpenGLImmediateQtViewer/StoredQtViewer : some cleaning
21 - G4OpenGLQtViewer.hh : Fix a compile error on mac OS X 10.5.8
22 - G4OpenGLImmediateQtViewer : Remove picking to true at initialisation
23 - G4OpenGLQtViewer.cc : Fix a redraw problem on mac OS X 10.6
24 - G4OpenGLStoreQtViewer.cc : Fix width() and height() problem on mac OS X 10.6
25
2629 September 2009  John Allison  (opengl-V09-02-07)
27- Tagged.
28
2918 August 2009 Laurent Garnier
30 - G4OpenGLXmViewer : Fix a wrong initialization introduce by the
31   new way of handling window size hints (January 2009)
32
3329 July 2009, Laurent Garnier
34 - G4OpenGLQtViewer : Ensure the GL frame size will be correct
35   by setting a 0 size margin around
36
3727 July 2009, Laurent Garnier
38 - G4OpenGLStoredQtViewer : Remove picking to true at initialisation
39
4020 May 2009, Laurent Garnier (opengl-V09-02-06)
41 - Fixed compilation errors on WIN32-VC for WIN32 specific drivers.
42
4318 May 2009, Joseph Perl (opengl-V09-02-05)
44 - Correct G4OpenGLViewerMessenger.hh
45
4614 May 2009, Laurent Garnier (opengl-V09-02-04)
47 - G4OpenGLViewer : Add methods to manage print size and filename
48 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printSize
49 - G4OpenGLViewerMessenger : Added /vis/ogl/set/printFilename
50 - G4OpenGLQtViewer.cc,G4OpenGLXmMainMenuBarCallback.cc, renaming
51   according to first point.
52
5313 May 2009, Laurent Garnier
54 - G4OpenGLStoredQtViewer.cc: Fix a second view redraw at ShowView() call
55 - G4OpenGLQtViewer : Remove unuseful variables, renaming others
56 - G4OpenGLViewer : Add method for resizing properly windows. Add methods
57   to get window width, height and to know if size has changed
58 - G4OpenGLQtViewer, G4OpenGLStoredQtViewer, G4OpenGLImmediateQtViewer,
59   G4OpenGLXmViewer, G4XmWindowsHandlingCallback, G4OpenGLXViewer :
60     Apply the previous changes.
61
626 May 2009, Laurent Garnier
63 - G4OpenGLQtViewer.cc: Fix compilation warning and error with gcc4.4
64
6528th April 2009, John Allison
66 - G4OpenGLViewerMessenger.cc: Added return statement at end of every
67   "if (command == ..." statement.  (Because of test for OGLS, it is
68   not elegant to use "if...else if...else" structure.)
69
7028th April 2009, Laurent Garnier
71 - G4OpenGLXViewer,G4OpenGLViewer : End of moving printEPS and associated
72   functions from GLXViewer to GLViewer.   
73 - G4OpenGLXViewer :
74   - Remove debug methods
75   - Add check in SetView() method
76 - G4OpenGLViewer : Add a glReadBuffer before glReadPixel in grabPixel method
77
788th April 2009, Laurent Garnier
79 - G4OpenGLBitmapStore.hh : BugFix correction for windows (introduce 2nd February ?)
80 - G4OpenGLViewer.hh : move methods in private
81 - G4OpenGLXViewer.hh : Add debug methods
82 - G4OpenGLImmediateXmViewer.cc, G4OpenGLStoredViewer.cc, G4OpenGLStoredXmViewer.cc,
83   G4OpenGLStoredXViewer.cc, G4OpenGLViewer.cc   : Add debug messages
84 - G4OpenGLStoredXmViewer.cc,G4OpenGLStoredXViewer.cc, G4OpenGLStoredWin32Viewer.cc :
85   - Add a DrawDisplay list in case of KernelVisit=1 and  nothing new to display.
86   - Add a flush at the end of the view.
87 - G4OpenGLViewer.cc :
88   - Improve the fix and resizing when X/Y size was even (lack of precision
89     in a /2)
90   - Set line/point size at a default size when printing.
91 - G4OpenGLXmWindowsHandlingCallbacks.cc : print method rename in printEPS
92 - G4OpenGLXViewer.cc : Lot of changes, try to debug it. Pb when printing in pixmap
93   mode on some windows size
94
956th April 2009, Joseph Perl (opengl-V09-02-02, then opengl-V09-02-03)
96 - New tag to clean up all of the cases of files that changed only in the cvs id.
97
9824th March 2009, Laurent Garnier (opengl-V09-02-01)
99 - G4OpenGLViewer : Add a fix and resizing when X/Y size was even (lack of precision
100   in a /2)
101
10218th March 2009  John Allison
103- G4OpenGLViewerMessenger.cc: printMode and transparency are available
104  for all OGL windows (they were previously inadvertently hidden by
105  an OGLS requirement).
106
10716th March 2009, Laurent Garnier
108 - G4OpenGLViewer : Add a check on max viewport dimensions when setting size.
109
1104rd March 2009, Laurent Garnier
111 - G4OpenGLQtViewer:
112   - Suppress some warnings when saving file
113   - Changing size is now allowed when saving (to save with better resolution than screen size)
114 - G4OpenGLViewer:
115  - Some renaming for print methods to be more clear about Vectored and non Vectored
116  - Now using Gl2PS method to do PS (changes also in G4OpenGLXViewer and G4OpenGLQtViewer)
117  - Suppress unuseful printX methods (heritated form XViewer)
118  - Add methods to handle printVectored and NonVector cases
119 - G4OpenGLViewerMessanger : Changes methods to get new G4OpenGLViewer methods to print
120
1211st March 2009, Laurent Garnier
122 - Remplacing glBitmap by GL_POINTS to draw marker : Speed improvment
123  and gl2ps can now draw Markers.
124
12516 February 2009, Laurent Garnier
126 - Modifications in GNUMakefile for gl2ps.
127 - G4OpenGLViewer,G4OpenGLViewerMessenger.cc,G4OpenGLXmMainMenubarCallbacks.cc
128   ,G4OpenGLXmViewer.cc modified for gl2ps and some renaming "print" in
129   "printVectoredEPS"
130
1312nd February 2009  Laurent Garnier
132- Improve Anticipate headers declaration in all files
133- Factorize grabPixels function in G4OpenGLViewer
134- Begin of refactoring printEPS function
135
13622th January 2009  Laurent Garnier
137- Fix bug in ratio and geometry on X/Xm/Qt/Win32 viewers
138
13919th January 2009  Laurent Garnier
140- Change G4DEBUG definition by G4DEBUG_VIS_OGL
141
14212th January 2009  John Allison
143- G4OpenGLViewer.cc: Pick up X and Y window size hints to define viewport.
144
1452 December, Laurent Garnier
146 - G4OpenGLImmediateXmViewer,G4OpenGLStoredXmViewer,G4OpenGLXmViewer
147   G4OpenGLImmediateXViewer, G4OpenGLStoredXViewer, G4OpenGLXViewer,
148   G4OpenGLXmWindowHandlingCallbacks,
149   G4OpenGLImmediateQtViewer.cc, G4OpenGLStoredQtViewer, G4OpenGLQtViewer
150   G4OpenGLImmediateWin32Viewer.cc, G4OpenGLStoredWin32Viewer, G4OpenGLWin32Viewer
151   ->  Replace WinSize by fWinSize and some improvments about size initialization
152
153 - G4OpenGLQtViewer.hh : Suppress WinSize private variable
154 - Now Could pass XString like 400x600-0+0 to viewers and set position and location. It
155   will work for Qt, X, Win32 for the moment.
156
15724 October, Laurent Garnier (opengl-V09-01-03)
158 - Change GEANT4_QT_DEBUG flag by QTDEBUG
159 - Suppress unuseful DEBUG messages
160
16112th October Laurent Garnier
162 - G4OpenGLQtExportDialog : improvments for Qt3"
163 - G4OpenGLQtViewer,G4OpenGLImmediateQtViewer,G4OpenGLStoreQtViewer : Add the name on OpenGlQt viewers
164 - G4OpenGLStoredQtViewer,G4OpenGLImmediateQt, G4OpenGLStoredQt : Change OGLSQT and OGLIQT by OGLSQt and OGLIQt
165
1662 October Laurent Garnier
167 - Fix a crash when there was no scene.
168
16928 July Laurent Garnier
170 - Fix a bug in XmRotation panel introduce in last commit by myself.
171
17220th June 2008  Laurent Garnier
173 - Correct some warnings
174 - Move rotation code of Xm and Qt in G4OpenGLViewer::rotateScene. Same code in now shared
175
17612th June 2008  Laurent Garnier
177 - Emit signals when moving/rotate scene, in order to get them in external app
178
17928th Mai 2008  Laurent Garnier
180 - Add mouse wheel zoom commands
181
18228th April 2008  Laurent Garnier
183 - Add better moc control/compilation step in GNUmakefile
184 - Fix a problem when launching QT VIS without QT UI (N02 for example)
185
18628th April 2008  John Allison  (opengl-V09-01-02)
187- G4OpenGLStoredSceneHandler: Tidied constructors of nested classes.
188
1894th April 2008  John Allison  (opengl-V09-01-01)
190- Fixed DBL_MAX problem in 2D drawing:
191  o changed G4OPENGL_DBL_MAX to G4OPENGL_FLT_BIG.
192- Fix gcc-4.3.0 compiler warnings.
193
19411th March 2008, Laurent Garnier
195 - Resolve QT3 compilation errors
196
19710th March 2008, Laurent Garnier
198 - Add a dialog panel to make movies (Right button->Actions->Movie parameters)
199 - Add ability to "auto rotate" volume launched with quick mouse move
200 - Lots of improvments for Qt3
201 - Improvments on moving steps with shortcuts
202 - Could now select between orthogonal/perspective view mode
203
2041st February 2008  John Allison
205 - G4OpenGLQtViewer.cc: Fix #ifdef QT protection.
206 - G4OpenGLSceneHandler.cc: Small improvement to logic of setting GL_LIGHTING.
207
20830th January 2008, Laurent Garnier
209 - Add moving camera on left/right/up/down arrown, going forward/backward
210   on SHIFT+up/down, zoom in with +/- keys
211 - Add a context menu entry for projection perspective/orthographic
212 - Fix some bugs on windows in export dialog
213
21415th January 2008, Laurent Garnier
215 - Fixed some layout problems on export dialog box
216 - Some improvements on exports formats
217 - Fix a bug in the help command : The clic callback on a item was not
218   working on windows
219 - Fix a crash at exit when launched on a MAC.
220 - EPS export format is now ready for Qt3
221 - Add Vectoriel EPS export format
222 - Fix an aspect ratio deformation when resize the widget
223 - Fix a crash at launch with leopard
224 - When selecting the "move" mouse action, this action was set even when
225   mouse button was released. Fixed : Now we should clic to have the move action
226 - GNUmakefile : Added a macro for moc file
227 - Moc files : Suppression of all theses files. They are now autogenerated
228   thanks to config/common.gmk
229
2304th January 2008  John Allison  (opengl-V09-01-00)
231- Implemented extended 2D interface.
232
23330th November 2007  Laurent Garnier
234- Improvements for Qt3
235- moc files : Adding other versions for QT_MOC_REVISION 28,58 and
236   59, but this is not the right solution..
237
23819th November 2007  Joseph Perl (for Laurent Garnier) (opengl-V09-00-04)
239- Added GEANT4_QT_DEBUG flag to more places
240
24115th November 2007  John Allison  (opengl-V09-00-03)
242- Re-introduced Qt files, now properly protected by cpp flags.
243- cpp flags also added to some other files not previously properly protected.
244
24515 Nov 2007, Laurent Garnier
246 - G4UIQt,G4Qt : Adding a GEANT4_QT_DEBUG flag to hide all debug messages
247 - G4UIQt,G4Qt : Compilation improvements for Qt3
248 - G4UIQt,G4Qt : Minors corrections on G4UIQt helpWidget
249
25014 Nov 2007, Laurent Garnier
251 - G4OpenGLStoredQtViewer.cc : Correction of a bug with mouse move event in
252     Qt4
253 - G4OpenGLQtExportDialog_moc.cc, G4OpenGLQtViewer.cc, G4OpenGLQtViewer_moc.cc :
254     Adding protection for Qt version between 4.0 and 4.2
255
25613th November 2007  John Allison  (opengl-V09-00-02)
257- Removed Qt files from tag.  File are still at head - need fixing.
258
25913 Nov 2007, Laurent Garnier
260 - G4UIQt,G4Qt : Moving all moc in one big file interface/G4UIQT_moc.cc,
261   including Qt3 and Qt4 moc support
262
26310th November 2007  John Allison  (opengl-V09-00-01)
264- Moved WinSize_x, y to base class G4OpenGLViewer.
265- Minor improvement in guidance for /vis/ogl/printEPS.
266
26709 Nov 2007, Laurent Garnier
268 - G4UIQt,G4Qt : Change all include directive to be compatible with Qt3
269
27008 Nov 2007, Laurent Garnier
271 - moc_G4OpenGLQtExportDialog.cc move in G4OpenGLQtExportDialog_moc.cc
272 - moc_G4OpenGLQtViewer.cc move to G4OpenGLQtViewer_moc.cc
273
27427 Sept 2007, Laurent Garnier
275 - Adding sur files for G4UIQt driver :
276   - G4OpenGLImmediateQt.cc
277   - G4OpenGLImmediateQtViewer.cc
278   - G4OpenGLQtExportDialog.cc
279   - G4OpenGLQtViewer.cc
280   - G4OpenGLStoredQt.cc
281   - G4OpenGLStoredQtViewer.cc
282   - moc_G4OpenGLQtExportDialog.cc
283   - moc_G4OpenGLQtViewer.cc
284
28528th September 2007  lgarnier
286- first import of G4UI Qt files : Do not try to compil them
287
28821st August 2007  John Allison  (opengl-V09-00-00)
289- Removed redundant G4OpenGLXViewerMessenger.
290
29125th May 2007  John Allison  (opengl-V08-03-03)
292- G4OpenGLSceneHandler and G4OpenGLXViewerMessenger:
293  Fixed gcc-4.1.2 compiler warnings.
294
29525th May 2007  John Allison  (opengl-V08-03-02)
296- G4OpenGLXViewer: Trapped glXMakeCurrent in Initialise function.
297
29824th May 2007  John Allison  (opengl-V08-03-01)
299- Fixes for SUN.
300
30116th May 2007  John Allison  (opengl-V08-03-00)
302- Fix compiler warnings on SLC4.
303- Bug fixes:
304  o Correct path /vis/ogl/set/printMode.
305  o Add SetView to pixmap screen dump ("/vis/ogl/set/printMode pixmap"
306    and "/vis/ogl/printEPS").
307
3088th May 2007  John Allison  (opengl-V08-02-06)
309- Moved vectored PostScript printing to G4OpenGLViewer.
310- /vis/ogl/printEPS should work for all viewers, including Win32.
311- Introduced /vis/ogl/set/printMode vectored|pixmap, currently only
312  effective on X windows (and still somewhat buggy).
313
3144th April 2007  John Allison  (opengl-V08-02-05 - needs visman-V08-02-04)
315- Implemented picking for OGLSX ( as well as OGLIX).  Hopefully works
316  for OGL*Win32.  Still doesn't work for OGL*Xm.
317
3183rd April 2007  John Allison  (opengl-V08-02-04 - needs visman-V08-02-03)
319- G4OpenGLStoredSceneHandler:
320  o Re-organised display lists on a per-primitive basis, i.e., one
321    display list per primitive.  (This is so that, except for text,
322    the colour - or, rather, intensity - can be brought out of the
323    display list into the TOList (Transient Object List) and
324    controlled for the Display-by-Time feature.  Previously, if more
325    than one primitive were drawn between BeginPrimitives and
326    EndPrimitives, it would finish up all in one display list, colour
327    commands included. Rationalises and fixes a rare bug in the
328    Display-by-Time feature - see August 2006.)
329  o Added AddPrimitive(const G4Polymarker&) so that it is treated as
330    one primoitive to fit with the above re-organisation.
331- Implemented picking for OGLIX.
332
33325th March 2007  John Allison  (opengl-V08-02-03)
334- Fix compiler warnings.
335
3368th February 2007  John Allison  (opengl-V08-02-02)
337- Fixed Windows problem with DBL_MAX.  (Introduced G4OPENGL_DBL_MAX.)
338- G4OpenGLXViewer.cc: Small bug fix in print().  (Context was switched
339  .but not switched back.  Not serious, because context was always set
340  before normal drawing.)
341
3429th January 2007  John Allison  (opengl-V08-02-01)
343- Implemented bitmap markers for MarkerSizeType == screen.  (The old
344  polygon implementation remains for MarkerSizeType == world.)
345- Added G4OpenGLBitMapStore to assist the above.
346- G4OpenGLXViewer::CreateGLXContext:
347  o Bug fix: Added missing break in colormap lookup routine.
348
3495th January 2007  John Allison  (opengl-V08-02-00)
350- G4OpenGLSceneHandler.cc:
351  o Followed change of signature of GetLineWidth in visman-V08-02-00.
352  o Minor efficiency improvements.
353
35421st November 2006  John Allison  (opengl-V08-01-09)
355- Fixed compiler warnings.
356
3571st November 2006  John Allison  (opengl-V08-01-08)
358- Replace /vis/oglx/set/printEPS by /vis/oglx/printEPS.  The new command
359  actually initiates a print, rather than set a flag for printing.
360
36124th October 2006  John Allison  (opengl-V08-01-07)
362- G4OpenGLStoredViewer.cc: Calculate light front horizon properly.
363- G4OpenGLViewerMessenger.cc: Make refresh depend on auto-refresh.
364
36519th September 2006  John Allison  (opengl-V08-01-06)
366- Added time origin for light front.
367- Added /vis/ogl/set/transparency.
368- G4OpenGLStoredViewer.cc: Bug fix in time range acceptance.
369
3704th September 2006  John Allison  (opengl-V08-01-05)
371- Implement cutaways.
372- Immediate mode: G4OpenGLImmediateSceneHandler.cc: Flush all
373  primitives (see detector being drawn).
374- /vis/oglx/set/printEPS: change parameter default to true.
375
37630th August 2006  John Allison  (opengl-V08-01-04)
377- G4OpenGLSceneHandler:
378  o Implemented line width.
379  o Switched off back face culling when clipping so that the inside of
380    volumes can be seen.
381  o Added CreateSection/CutawayPolyhedron to exploit generic
382    sectioning (DCUT) and cutaways.  Currently not activated due to
383    instabilities in BooleanProcessor.  Local sectioning still active
384    but broken (at least on Mac) due to apparent change in effect of
385    clipping planes (polyhedron edges not reconstructed).
386  o Rationalised calculation of marker size.
387- G4OpenGLStoredSceneHandler:
388  o Fixed bug due to recursive calls of AddPrimitive (polymarkers -> markers).
389  o Pick up time range from G4VisAttributes.
390- G4OpenGLViewer(Messenger):
391  o Added position and colour to /vis/ogl/set/displayHeadTime.
392  o Added /vis/ogl/set/displayLightFront.
393- G4OpenGLStoredViewer.cc:
394  o Rationalised CompareForKernelVisit.  (Local sectioning still active.)
395  o Added position and colour to DisplayHeadTime.
396  o Added DisplayLightFront.
397 
39816th August 2006  John Allison  (opengl-V08-01-03)
399- Corrected Solaris compilation error.
400- Added /vis/ogl/set/fade and displayHeadTime.
401
40214th August 2006  John Allison  (opengl-V08-01-02)
403- Needs visman-V08-01-02.
404- G4OpenGLStored: Implemented display-by-time.  Only available in
405  stored mode at present.  Only implemented for circle, square,
406  polyline and polymarker at present, enough for currently available
407  trajectory models.  Time is communicated via G4AttValues.
408- Added G4OpenGLViewerMessenger.
409- Added /vis/ogl/set/startTime and endTime of displayed objects.
410- All factories: Instantiated G4OpenGLViewerMessenger.
411- G4OpenGLViewer: Added fStart/EndTime.
412- G4OpenGLXViewer.cc: Graceful recovery from unexpected tokens in
413  spewPrimitiveEPS and spewSortedFeedback.
414
41517th July  John Allison  (opengl-V08-01-01)
416- Added /vis/oglx/set/printEPS (prints eps file on every update).
417
4183rd July 2006  John Allison  (opengl-V08-01-00)
419- Elimination of redundant variable doublebuffer and implementation of
420  FinishView in all viewers.
421
42230th May 2006  Joseph Perl  (opengl-V08-00-08)
423- G4OpenGLImmediateWin32Viewer: Removed tests on doublebuffer since that
424  variable seems to have random behavior and should be assumed false for
425  this viewer.
426
42729th May 2006  Joseph Perl  (opengl-V08-00-07)
428- G4OpenGLWin32Viewer, G4OpenGLImmediateWin32Viewer, G4OpenGLStoredWin32Viewer:
429  Removed common FinishView and instead made separate FinishView for the two different
430  versions of this viewer since each wants a different buffer swapping behaviour.
431
43212th May 2006  John Allison  (opengl-V08-00-06)
433- G4OpenGLWin32Viewer: Fixed buffer swapping behaviour.
434
43528th April 2006  John Allison  (opengl-V08-00-05 - needs visman-V08-00-14)
436- G4OpenGLStoredX/Xm/Win32Viewer.cc: Fixed buffer swapping problem when
437  recomputing transients.
438
43924th April 2006  John Allison  (opengl-V08-00-04)
440- Fixed compilation problem on Windows.
441
44219th April 2006  John Allison  (opengl-V08-00-03)
443- G4OpenGLSceneHandler, G4OpenGLStoredSceneHandler and
444  G4OpenGLImmediateSceneHandler:
445  o Implemented Begin/EndPrimitives2D (needs visman-V08-00-12 and
446    greps-V08-00-02).
447  o Migrated to direct access to G4PhysicalVolumeModel.
448- G4OpenGLStoredX/Xm/Win32Viewer.cc: bug fix for conditional drawing
449  of display lists in DrawView.
450
45114th March 2006  John Allison  (opengl-V08-00-02)
452- Refined display list building and re-drawing algorithm.
453  o G4OpenGLStoredSceneHandler::EndModeling: Changed to GL_COMPILE_AND_EXECUTE.
454  o Avoided unnecessary re-execution in DrawView (X, Xm and Win32).
455- G4OpenGLStoredSceneHandler::RequestPrimitives: Refined display list
456  re-use algorithm.  In test19 with global culling off, numbers of
457  display lists used are:
458  o 191  No re-use:
459  o  73  Before this change: re-use except replicas (includes parameterised).
460  o  33  After this change: re-use except parameterised and replicas in radius.
461
46226th January 2006  John Allison  (opengl-V08-00-01)
463- Coworks with visman-V08-00-04 (removed fModified).
464- Removed references to fModified.
465- Tidying: Removed unnecessary ClearView.
466- G4OpenGLSceneHandler.cc: Added some (commented out) code for
467  possible future implementation of 2D drawing.
468- G4OpenGLXViewer.cc: Improved exception printing.
469
47011th January 2006  John Allison  (opengl-V08-00-00)
471- Improved efficiency: all DrawView's:
472  o Don't call ClearView.
473  o Set flag so SetView will not be called in ProcessView.
474  o Leave background colour to ClearView.
475- Used dynamic_cast<G4OpenGLViewer*>, no need for G4OpenGLViewerDataStore.
476- G4OpenGLXmViewerMessenger: Made a smart singleton; interrogates vis manager
477  for current viewer.
478
47924th November 2005  John Allison  (opengl-V07-01-09)
480- Protected G4OpenGLXmViewerMessenger with #ifdef G4VIS_BUILD_OPENGLXM_DRIVER.
481
48222nd November 2005  John Allison  (opengl-V07-01-08)
483- Added G4OpenGLXmViewerMessenger.
484- Corrected text position.
485- Made depth test for polyhedron GL_LEQUAL (slightly dominant).
486
48717th November 2005  Gabriele Cosmo
488- Fixed settings of background style for WIN32 viewers.
489
49013th November 2005  John Allison  (opengl-V07-01-07)
491- Implemented X-Window-style geometry hints in G4OpenGLXViewer.
492
49313th October 2005  John Allison  (opengl-V07-01-06)
494- Allowed any colour background.
495- Implemented non-uniform scaling.
496- Migration to <sstream>.
497
49829th September 2005  John Allison  (opengl-V07-01-05)
499- Added G4OpenGLViewerDataStore to facilitate access of viewer data by
500  scene handler.
501- Re-implemented transparency button in OpenGLXm.
502
50313th September 2005  John Allison  (opengl-V07-01-04 - needs visman-V07-01-02)
504- Implemented white background for all OGL viewers.
505- G4OpenGLSceneHandler.cc:
506  o Fixed hidden line removal (bug introduced in opengl-V07-01-02).
507  o Fixed treatment of triangular polygons for drawing of auxiliary/soft lines.
508  o Corrected GetTextColour(text).
509  o Corrected GetColour(polyhedron).
510
5115th September 2005  John Allison  (opengl-V07-01-03)
512- Bug fix: stored transparent objects were being lost.
513
5142nd September 2005  John Allison  (opengl-V07-01-02 - needs visman-V07-01-01)
515- Bug fix: edgeflags problem introduced with smooth shading in
516  opengl-V07-01-00.
517- Implementation of a "better algorithm" for the rendering of
518  transparent polyhedron objects.  It renders all opaque objects
519  first, then renders the transparent objects with the depth buffer in
520  read-only mode (see OpenGL Programming Guide).  It uses the new
521  facility in G4VSceneHandler::ProcessScene for an optional second pass
522  of the run-duration models in the scene.  Note this algorithm is
523  still only an approximation.  It will still give the wrong blended
524  colour if two transparent objects are rendered front first.  For
525  nested transparent objects, this is unfortunate, because
526  G4PhysicalVolumeModel traverses Geant4's mother-daughter hierarchy
527  in such a way that mothers come first.  Also, there is no guaranteed
528  relationship between the order of rendering and the depth of two
529  transparent objects if they are at the same level or in different
530  branches of the hierarchy.  Still, the only error will be an
531  incorrect colour - the objects will still give the appearance of
532  transparency, so it's a pretty good algorithm.  (An even better
533  algorithm would be to attempt to render the facets in depth order,
534  deepest first.  But how do you calculate the depth - centre of area,
535  deepest corner?  One can still imagine pathalogical cases that would
536  sometimes give the wrong colour.  Also, for stored mode, the order
537  is fixed in a display list so when the user rotates the view, one
538  would lose the depth ordering.  I think we have to accept that
539  blending in OpenGL is only ever an approximation.  For accurate
540  blending, use RayTracer.)
541
54228th August 2005  John Allison  (opengl-V07-01-01)
543- Half-way implementation of rendering of transparent polyhedron
544  objects.  In this implementation, no account is taken of the order
545  of rendering.  Transparent objects are rendered with depth testing
546  off so that objects behind can still be seen.  But this means that
547  opaque objects in front do not obscure them - and they jolly well
548  should!  A better algorithm is to render all opaque objects first,
549  then render the transparent objects with the depth buffer in
550  read-only mode (see OpenGL Programming Guide).  This is going to
551  take a little more thought - see opengl-V07-01-02.
552
55320th July 2005  John Allison  (opengl-V07-01-00)
554- Introduced smooth shading, taking advantage of hitherto un-noticed
555  feature of HepPolyhedron::GetNextFacet that calculates the normals
556  at each vertex so that curved surfaces are rendered more
557  realistically (Gouraud shading).
558- G4OpenGLImmediateSceneHandler.cc: Removed unnecessary #include's.
559- G4OpenGLXmViewer.cc: Fixed to use window size hints.  This changes
560  the default window size.  It used to be 400x400, hardcoded in
561  G4OpenGLXmViewer.cc, but now it picks up the
562  G4ViewParameters::GetWindowSizeHintX/Y, which defaults to 600x600.
563  The user may change it on the command line, e.g:
564    /vis/open OGLSXm 500
565  or
566    /vis/viewer/create ! ! 500
567
56830th May 2005  John Allison  (opengl-V07-00-03)
569- Fixed compilation problem in OpenGL on SUN.  (Replaced multimap by
570  map of vectors in G4OpenGLFontBaseStore.)
571
5724th May 2005  John Allison  (opengl-V07-00-02)
573- Restored sequence Set/Clear/DrawView in ClearTransientStore.  (It
574  was taken out to prevent recursive calling, but that seems to be OK,
575  and it is needed to implement refresh at end of event/run.)
576
57722nd April 2005  John Allison  (opengl-V07-00-01)
578- Rationalised work of opengl-V07-00-00.  Functionality unchanged.
579  o G4OpenGLViewer.hh: Created virtual void CreateFontLists(){}.
580  o In all concrete viewers, added call to CreateFontLists().
581  o Moved font code for X to G4OpenGLXViewer::CreateFontLists().
582  o There is no longer a need to implement in the XmViewer, since it
583    now inherits.  Thus the font code now only appears once for X.
584  o Awaiting implementation for WIN32.
585
58617th April 2005  John Allison  (opengl-V07-00-00)
587- Based on vis-V07-00-13.
588- Implemented text for X-Windows viewers.  Uses glXUseXFont, which
589  creates display lists for nominated fonts.  Simple-minded scheme in
590  which each viewer creates its own font display lists for a variety
591  of sizes, which are accessed by the scene handler through a new
592  class, G4OpenGLFontBaseStore.  Affected methods:
593    G4OpenGLXViewer::CreateMainWindow()
594    G4OpenGLXmViewer::CreateMainWindow()
595    G4OpenGLSceneHandler::AddPrimitive (const G4Text& text)
596
59718th November 2004  John Allison  (opengl-V06-02-07)
598- Removed redundant fLastVP from G4OpenGLStoredSceneHandler.
599
60015th November 2004  Guy Barrand
601- G4OpenGLWin32Viewer::ShowView : glFlush was not sufficient
602  to see trajectories (for example with N03). Correct so that
603  ShowView do a FinishView that does : glFlush, wglSwapBuffer
604  and empty the Windows message queue.
605
60622nd September 2004  John Allison  (opengl-V06-02-06)
607- doxygen output to tmp area.
608- Trap non-regular polyhedrons.
609
61013th September 2004  Gabriele Cosmo  (opengl-V06-02-05)
611- G4OpenGLTransform3D.cc: simplified implementation for GetMatrix()
612  to allow for porting on CLHEP-1.9.X series.
613
61423rd July 2004  John Allison
615- Draws auxiliary edges if required.
616- Added auxiliary edge button.
617
61816th July 2004  John Allison  (opengl-V06-02-04)
619- Refinements to hidden line, hidden surface removal.
620
62114th July 2004  John Allison  (opengl-V06-02-03)
622- Removed superfluous #include "G4VisManager.hh" from G4OpenGLXmViewer.cc.
623
62413th July 2004  John Allison  (opengl-V06-02-02)
625- Hidden line *and* hidden surface removal now works.
626
6279th July 2004  John Allison  (opengl-V06-02-01)
628- Fixed long-standing problem with hidden line removal.
629- Improved messages on failure to get visual.
630- Added GLX_STENCIL_SIZE explicit request to visual attributes - most
631  systems provided by default anyway, so no effect.
632
6331st July 2004  John Allison  (opengl-V06-02-00)
634- Rationalised G4OpenGLSceneHandler ready for hidden line removal.
635- Bug fix in G4OpenGLXmPanningCallbacks.cc for dolly control.
636
63718th June 2004  Gunter Folger (geant4-06-02)
6389th June 2004  Gabriele Cosmo  (vis-V06-01-03)
6397th June 2004  Gabriele Cosmo  (vis-V06-01-02)
640- GNUmakefile and disclaimer changes - see visualization/History.
641
6429th April 2004  John Allison  (vis-V06-01-01 + interfaces-V06-01-00)
643- Tagged OpenGL as below.  Joint with interfaces-V06-01-00.
644
6457th April 2004  Guy Barrand
646- visualization/OpenGL/* : use the G4OpenGL.hh file.
647- Added : visualization/OpenGL/include/G4OpenGL.hh to encapsulate
648  the include of gl/gl.h and gl/glu.h that may be platform dependant.
649  It permits to rm some #ifdef WIN32 spread in the code. It opens also
650  the way to the usage of the Apple OpenGL on a Mac.
651
65217th February 2004  John Allison  (opengl-V06-00-00)
653- Fixed bug #581: wrong order of statements in
654  G4OpenGLXViewer::~G4OpenGLXViewer (see bug report).
655
6564th October 2003  Gabriele Cosmo  (vis-V05-02-01)
657- GNUmakefile:
658  o replaced "digits+hits" with "digits_hits".
659- Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
660
66122nd September 2003  John Allison  (vis-V05-02-00, greps-V05-02-00)
662- Cosmetic change to regularise names:
663  o changed _Feedback3Dcolo to G4OpenGLXViewerFeedback3Dcolor.
664  o changed _DepthIndex to G4OpenGLXViewerDepthIndex.
665
66623rd June 2003  Guy Barrand  (opengl-V05-01-02)
667- Commit a first implementation of G4OpenGLWin32Viewer.
668
66910th June 2003  Gabriele Cosmo  (opengl-V05-01-01)
670- More fixes for warnings in viewers classes.
671- Added inclusion of <windows.h> for WIN32 platforms when GL headers
672  are included.
673
67405th June 2003  Gabriele Cosmo  (opengl-V05-01-00)
675- Fixes for porting compilation on WIN32:
676  o G4OpenGLWin32Viewer[.hh.cc]: removed inclusion of <GL/glx.h>.
677  o G4OpenGLViewer.cc: replaced local variables near/far with pnear/pfar
678    since declared 'obsolete' in WIN32 platforms.
679
68027th November 2002  John Allison  (vis-V04-01-08)
681- Improved algorithm of CompareForKernelVisit.
682
68311th November 2002  John Allison  (opengl-V04-01-02)
684- Corrected inclusion of G4OpenGLXViewer #ifdef X_DRIVER.
685- Added G4OpenGLSceneHandler::AddThis for trajectories and hits - simply
686  call default but there as a marker and encourager.
687- Added tracking and digits+hits/hits to GNUmakefile.
688
68916th October 2002  John Allison  (opengl-V04-01-01)
690- Fix for WIN32.  Now compiles but viewer not implemented.
691
69224th June 2002  John Allison  (opengl-V04-01-00)
693- Further cosmetic changes in G4OpenGLXViewer.cc for DEC compiler.
694
69510th June 2002  John Allison  (opengl-V04-00-03)
696- Cosmetic changes for SUN-CC in G4OpenGLXmConvenienceRoutines.cc.
697
6986th June 2002  John Allison  (opengl-V04-00-02)
699- Cosmetic changes for GNU compiler in G4OpenGLXViewer.cc.
700
70123rd February 2002  John Allison  (opengl-V04-00-01)
702- Changes to encourage compilation on Windows in preparation for
703  implementation of G4OpenGLWin32Viewer.  Removed spurious includes of
704  glx.h, unistd.h and assert.h.
705
70624th August 2001  John Allison  (vis-V03-02-13)
707- Limited the printing of warnings in
708  G4OpenGLSceneHandler::AddPrimitive (const G4Text& text).
709
71014th August 2001  John Allison  (vis-V03-02-11)
711- Improved KernelVisitDecision.
712- Fixed a few small bugs in multiple "stored" viewers, but see next item.
713- There's an outstanding bug in OpenGL Stored.  If there is more than
714  one viewer controlled by a scene handler, after a ClearStore on the
715  scene handler, e.g., with /vis/scene/notifyHandlers, the first
716  viewer to get refreshed should trigger the display list rebuild, but
717  the second need not.  However, when the second viewer's turn comes,
718  the display lists are there, and are called, e.g.,
719  G4OpenGLStoredXViewer::DrawView calls
720  G4OpenGLStoredViewer::DrawDisplayLists that calls glCallList, but
721  nothing appears on the screen.  To overcome this there is some
722  temporary code in G4VViewer::NeedKernelVisit which marks *all*
723  viewers to force a rebuild.  To see the symptoms, comment out that
724  temporary code and issue these commands:
725    /vis/verbose c
726    /control/verbose 2
727    /vis/scene/create
728    /vis/scene/add/volume
729    /vis/sceneHandler/create OGLSX
730    /vis/viewer/create ! ! 1
731    /run/beamOn
732    /vis/viewer/create ! ! 1
733    /vis/viewer/select viewer-0
734    /vis/viewer/viewpointThetaPhi 20 20
735    /vis/viewer/select viewer-1
736    /vis/viewer/viewpointThetaPhi 40 40
737    /vis/viewer/set/style surface
738    /vis/viewer/refresh
739    /vis/viewer/select viewer-0
740    /vis/viewer/refresh
741    /vis/viewer/select viewer-1
742    /vis/viewer/set/style wireframe
743    /vis/scene/notifyHandlers
744  You may have to do this too:
745    /vis/viewer/select viewer-0
746    /vis/scene/notifyHandlers
747  One of the viewers is empty.  Curious!!
748
7499th August 2001  John Allison  (vis-V03-02-10-00)
750- Implemented G4OpenGLStoredSceneHandler::ClearTransientStore()
751- Removed G4OpenGLSceneHandler::AddPrimitive (const G4Polymarker&) (it only
752  invoked G4VSceneHandler::AddPrimitive (const G4Polymarker&) which is
753  picked up by inheritance anyway.
754- Removed lots of unnecessary header files from G4OpenGLStoredSceneHandler.cc.
755- Corrected order of calling base class functions in
756  G4OpenGLStoredSceneHandler::Begin/EndModeling.
757
75824th July 2001  John Allison  (vis-V03-02-06)
759- G4OpenGLSceneHandler::AddPrimitive (const G4Text&) handles transformation.
760
76114th July 2001  John Allison (opengl-V03-02-00)
762- Fixed crash in optimised mode: added Initialise() to viewers so
763  that windows are opened after viewers are fully constructed.
764
7652nd April 2001  John Allison (opengl-V03-00-01 wrt vis-V03-00-09)
766- Tidied G4OpenGLXmViewer callback code.  Removed superfluous header files.
767
7687th March 2001  John Allison
769- Changed char* to const char* in many places and that gave problems in
770  calls to Xt and Xm.  Hope all's OK.  Differences:
771    cvs diff -r vis-V03-00-06 vis-V03-00-07
772
77325th January 2001  John Allison  (opengl-V03-00-00)
774- Implemented running re-calculation of up-vector in the case of "object
775  rotation" (lights move with camera) to prevent "flipping" of view when
776  camera passes through up-vector.  Note that the default is "camera
777  rotation" (lights do not move with camera, i.e., remain fixed relative
778  to object) so the default is that this "flipping" can happen.  To set
779  "object rotation" (lights move with camera) use
780  /vis/lights/move_with_camera true (soon to be
781  /vis/viewer/set/lights move-with-camera) or click "Object" radio button
782  on Rotation Panel in OpenGLXm mode.
783- Changed some objects to references for efficiency.  E.g.:
784  const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
785
78622nd May 2000  John Allison  (opengl-V01-01-00)
787- Fixed slow response of 2nd window of OpenGLXm.  Worked around Mesa bug
788  by sharing static visuals in G4OpenGLXViewer (Guy Barrand):
789    static XVisualInfo* vi_single_buffer;
790    static XVisualInfo* vi_double_buffer;
791- Removed ChooseVisual from G4OpenGLXmViewer.cc - done in base class
792  G4OpenGLXViewer.
793- Protected double deletion of window in destructors of G4OpenGLXmViewer
794  and G4OpenGLXViewer (Guy Barrand).
795- Changed requested bits per colour to r,g,b = 1,1,1 in G4OpenGLViewer.cc.
796- Corrected order of CreateMainWindow() and InitializeGLView() in X*Viewer
797  constructors.
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