source: git/NEWS @ e4bfd2f

RELEASE/1.1RELEASE/1.2debug-cidebug-ci-sanitisersstereowalls-data
Last change on this file since e4bfd2f was e4bfd2f, checked in by Olly Betts <olly@…>, 14 years ago

NEWS: Update from ChangeLog?.

git-svn-id: file:///home/survex-svn/survex/branches/survex-1_1@3430 4b37db11-9a0c-4f06-9ece-9ab7cdaee568

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1Changes in 1.1.13 (2010-06-15):
2
3* Say "wxWidgets" instead of "wxWindows" consistently.
4
5* img.c: Fix small memory leak (filename_opened member).
6
7* cad3d, aven: Fix export to SVG when a label contains a '%' character.
8
9* aven:
10
11  + wxWidgets 2.6.0 or newer is now required.
12
13  + A "Unicode" build of wxWidgets is now supported.  An "ANSI" build may still
14    work but hasn't been tested recently (all packaged versions of wxWidgets
15    seem to be Unicode now).
16
17  + Fix potential uses of uninitialised variables which may have been causing
18    occasional glitches when loading a file on start-up.
19
20  + Improvements to the handling of the font used for plotting labels and other
21    text on the survey pane:
22
23    - Loading the font file is more efficient.
24
25    - Character spacing is improved.
26
27    - Default font is now anti-aliased.
28
29  + "About" dialog:
30
31    - Add "Copy" button to copy the system info to the clipboard for easier
32      bug reporting.
33
34    - List OpenGL extensions last, since there are usually lots of them with a
35      modern gfx card.
36
37    - Fix 100% CPU usage while the "About" dialog is open.
38
39  + Processing .svx files:
40
41    - Passing a .svx file on the command line now works better.
42
43    - Put the survey data log window in a splitter in the usual frame rather
44      than opening a separate frame for it.
45
46    - Auto-scroll the log window until we've reported a warning or error.
47
48    - Fix small memory leak.
49
50  + The presentation filename now defaults to using the basename of the
51    currently loaded dataset, but we always prompt before we first save with
52    such a name.
53
54  + Reduce memory usage when saving a screenshot.
55
56  + Allow "Toggle Fullscreen" to work even if no survey is loaded now that we
57    persist the window size (and maximised or fullscreen state) between
58    invocations.
59
60  + Fix reporting of OpenGL errors.
61
62  + Fix glitches when tilting while looking East.
63
64  + Added Portuguese and Slovak translations of wxWidgets messages.
65
66* Documentation:
67
68  + Rationalise manual formats - replace PostScript with PDF and drop RTF.
69
70  + Drop the "alternative manual formats" self-extracting zip file - people
71    will generally just want one of the formats, so downloading several
72    together isn't very useful.
73
74  + 3dformat.htm: Update for v6 format (thanks to Mike McCombe).
75
76  + GPL.htm: Replace HTML version of licence with a link to the version on
77    the FSF website.
78
79  + ChngeLog.htm: Stop generating an HTML version of the ChangeLog - it's too
80    low level to be of interest to non-developers, and developers can look at
81    the source code.
82
83* (Unix version): configure: New preferred name for specifying wx-config script
84  is WX_CONFIG.  WXCONFIG still supported for compatibility.
85
86* (Linux version): Source RPM package dropped as you can just build an RPM
87  package from the source tarball.
88
89* (Microsoft Windows version): The installer is now created with a newer
90  version of InnoSetup, which gives a 10% smaller download.
91
92Changes in 1.1.12 (2007-02-07):
93
94* aven:
95
96  + Remember the window size or maximised/fullscreen state between invocations.
97
98  + Add options dialog to "Export" similar to the one for "Print".
99
100  + The "number of pages required" in the print dialog now updates when you
101    change what is to be shown (underground legs/surface legs/station
102    names/crosses).
103
104Changes in 1.1.11 (2006-11-25):
105
106* Updated Czech, Spanish, and Slovak translations.
107
108* (MacOS X version): Assorted OS X specific tweaks and fixes.
109
110* aven:
111
112  + Pick a smaller and clearer font for labels.
113
114  + Fix character spacing.
115
116  + Tweak display of bearing and elevation angles to look nicer with
117    proportional fonts.
118
119  + Use the title from the 3d (or plt, etc) file for the window title
120    rather than the filename.
121
122  + Show distances to 2 decimal places rather than the nearest integer.
123
124  + Only consider underground legs when calculating the depth bands and
125    depth colouring.
126
127  + Add "Colour by Error".
128
129  + Add entry for "white" in date and error keys.
130
131  + When setting the view to a single point, don't change the scale.
132
133  + If reloading the same file, don't change the view
134
135  + Fix filetypes selector in open dialog.
136
137  + Fix the charset we use for aven in certain cases.
138
139  + Call msg_init before using msg_lang or it won't ever be set!
140
141  + Pass wx the full language code to initialise the C library locale.
142
143  + Fix bug in generating prefix tree view which could lead to a bogus
144    leading dot on some survey names (bug probably introduced in 1.1.10).
145
146  + "New Presentation" now ensures that the side panel is open
147
148  + Fix updating of cached opengl lists when the view is reset to the
149    default.
150
151* Ignore LANG if it starts with a digit to avoid problems with bogus value for
152  LANG which AutoCAD installation seems to set on MS Windows.
153
154* (Unix version): configure: Allow SGMLTOOLS and DOCBOOK_TO_MAN to be
155  specified.  Either/both can be set to ":".
156
157* dump3d: Report unknown (to dump3d) codes returned by img.
158
159* img library: Flag all stations as underground in the old "ASCII" .3d format.
160
161Changes in 1.1.10 (2006-07-14):
162
163* aven: Clicking on a survey name in the survey tree now highlights it in
164  the map view.  Double-clicking zooms the view to show the clicked survey
165  highlighted.  Clicking the root clears the highlighting and double-clicking
166  the root restores the default view.  To expand/collapse a branch, click
167  on the "[+]" or "[-]" icon to the left of the survey name.
168
169* aven: The measuring line can now measure to anywhere in plan or elevation
170  view (not just to a station!)  In plan view the horizontal distance and
171  bearing are shown, while in elevation view the vertical distance is shown.
172
173* aven: Moving the mouse over a station in the survey view now highlights
174  that station in the survey tree (though it may not be visible if the
175  survey(s) it is in aren't expanded).
176
177* aven: Clicking on a station to centre the view now moves the mouse pointer
178  to the new location of the station (except on Mac OS X where this isn't
179  allowed).
180
181* aven: Fix which presentation toolbar buttons are shown as depressed.
182
183* Fix infinite loop reading 3d files with LRUD data (bug introduced in 1.1.9).
184
185* vim files are now installed with the correct paths (bug introduced in 1.1.9).
186
187Changes in 1.1.9 (2006-07-04):
188
189* (Unix version): Install desktop files for aven and svxedit contributed to the
190  Ubuntu package by Phil Bull, and corresponding pixmaps.
191
192* Fix img to filter out cross-sections which don't match the subsurvey (if
193  specified).  The API now returns img_XSECT_END to mark the end of a
194  passage rather than setting a flag on the last img_XSECT of the passage.
195
196* Enhance integration with the vim editor - this can now colour .err files, run
197  cavern from vim and parse error output, and run aven from vim.  Tweak the
198  existing vim mode for .svx files to fix a few minor bugs and add support for
199  the new "*data passage" style.
200
201* aven: fix drawing of the "blob" end of the measuring line on graphics cards
202  which can't draw large enough blobs for us.
203
204* aven: sort out confusion about what encoding everything is in which means
205  that the distance measured by the measuring line actually gets displayed
206  and also fixes problems with empty menu items in non-English locales in
207  some cases.
208
209* aven: redraw grey background after a menu is closed over the aven window
210  with no survey loaded.
211
212* aven: fix bug which caused printing to crash (introduced in 1.1.8).
213
214* aven: avoid crash on some machines when opening "About" dialog before having
215  loaded a survey.
216
217* aven: Translate "Plan" and "Elevation" buttons in print view dialog.
218
219* (Unix version): aven: Fix character set handling of cavern output.
220
221* cavern: Report an error if a cross-section is specified for a station which
222  doesn't exist.
223
224* Updated French and Italian translations.
225
226* (Unix version): aven: Fix "Can't open message file `en_US' using path
227  `${prefix}/share/survex'" error.
228
229* Fix bug in 3d file reading on 64 bit platforms when used in STANDALONE mode
230  (doesn't affect Survex itself, but other applications which use img.c should
231  update their copy).
232
233* (Unix version): Add checks that wxWidgets is a non-unicode version (wx 2.6
234  and later are caught by configure, whereas older wx versions are caught when
235  trying to compile).
236
237Changes in 1.1.8 (2006.06.30):
238
239* Drop support for building with wxWidgets versions prior to 2.4.0
240  (which was released on 2003-01-07).
241
242* aven: Printing through aven now uses settings from the "[aven]" section
243  of print.ini, and support for hierarchical sections (using "like=")
244  has been disabled.
245
246* aven: Change mouse actions to be compatible with those in Survex 1.0.
247  The mousewheel now zooms in/out (it doesn't do anything in 1.0) and
248  left drag is now smart about not rotating and zooming at the same
249  time.
250
251* aven: Highlighting stations now happens as you type, and pressing
252  "Enter" or clicking the "Find" button now pans and zooms to show the
253  highlighted stations.
254
255* aven: Left-clicking away from a station now cancels measuring line.
256
257* aven: Setting view to North, South, East, or West is now animated like
258  the tilt from plan to elevation.
259
260* aven: Fix presentation saving to also write "." for decimal points and
261  presentation loading to accept either "." or ",".
262
263* (Unix version): aven: Add text for all toolbar items so that aven
264  will work with the Gnome desktop preference for displaying toolbars as
265  icons with text or just text (wxWidgets needs fixing first though).
266
267* (Unix version): aven: Remove the ability to detach the menu bar (yell
268  if you actually used it and I'll restore it!)
269
270* aven: Add "all survey files" option to the "open file" dialog.
271
272* (MS Windows version): aven: Fix cursor keys to pan survey.
273
274* (MS Windows version): Built with wxWidgets 2.6.3 instead of 2.6.2.
275
276* (MS Windows version): Fix installer to work on Windows 2000 or XP if
277  run by an unprivileged user.
278
279* (MS Windows version): Upgrade to the latest version of InnoSetup (the
280  installer builder we use) and include new installer translations for
281  UK English, Spanish, Brazilian Portuguese, Italian, Romanian, and Slovak.
282
283* (MS Windows version): aven: Include Catalan and Brazilian Portuguese
284  translations of messages for wxWidgets (the GUI library we use).
285
286* aven: Disable "Highlight exported points" if there aren't any.
287
288* Updates to French translation from Michel Bovey.  Also updates to German,
289  Italian, Catalan, Spanish, and Romanian translations.
290
291* (Unix version): test suite: fix smoke test to pass even without X running
292  (it was meant to but the code had a bug).
293
294* aven: Check if OpenGL is available and exit cleanly with a helpful error
295  if it isn't.
296
297* (Unix version): aven: Fix --help and --version to work without a working
298  X display (provided it's built with wxWidgets 2.5.1 or newer).
299
300* aven: Automatically select the presentation tab of the notebook when the user
301  selects "New Presentation" or "Open Presentation".
302
303* aven: Fix "Delete" in the presentation list to not get passed on (and so not
304  reset to default view as well).
305
306* aven: Fix Ctrl+Insert in the presentation list not to segfault if the list is
307  empty.
308
309* aven: Fix Cursor Up and Down in the presentation list to move the highlight
310  up and down instead of being passed on and moving the survey.
311
312* aven: Improve SVG output compatibility.  Tested with Mozilla Firefox 1.5,
313  Adobe's SVG browser plugin, Gimp 2.2.8, Gqview 2.0.0, Opera 8.5,
314  Safari 2.0.3, and InkScape 0.42.
315
316* aven: Put a 5mm border around exported SVG files to allow for station markers
317  and non-zero width lines.
318
319* aven: Fix crash when exporting as SVG or Sketch if labels or surface data
320  was turned on.
321
322* aven: Actually close the file we're exporting which fixes problems with it
323  not always being fully written.
324
325Changes in 1.1.7 (2005.10.18):
326
327* cavern: Add validity checking for dates in *date commands (with feature
328  test in testsuite).  A date entered as just "year" or "year.month" now
329  becomes a date range for the relevant period (previously it became a single
330  date near the middle of that period).
331
332* extend: Fixed 2 uninitialised flags (should fix erratic behaviour on
333  with MS Windows).
334
335* extend: Default output name for a file called input.3d is now input_extend.3d
336  rather than just extend.3d (which was annoying if you wanted to extend
337  several surveys in the same directory).
338
339* aven: OpenGL 2.0 always includes support for point sprites so rework
340  our check for them to include that knowledge.
341
342* aven: Regenerate depth bar if user switches to/from metric units.
343
344* aven: Don't clear the "there" mark just because the mouse pointer has
345  moved off a station.
346
347* aven: When processing a .svx file, put the resultant .3d file in the
348  same directory (since that's where we then try to load it from).
349
350* aven: Fix labelling of date colouring on 32 bit platforms.
351
352* aven: If "colour by date" is on and we load a survey with no date info
353  (or all surveyed on the same date) then set "colour by none".
354
355* aven: Make the error dialog modal and remove a signal handler once it
356  has fired to prevent endless (or seemingly endless) cascades of error
357  dialogs.
358
359* aven: Enforce a minimum object volume diameter of 1m to avoid problems
360  if a survey file with only one station in is loaded.
361
362* aven: Fix problems with indicators disappearing when we're drawing
363  blobs and/or crosses the slow (but always supported) way.  (Problem
364  introduced in 1.1.6).
365
366* (Unix version): aven: Really stop setting extra toolbar margin when using
367  GTK2.0.  The attempt to fix this in 1.1.3 failed because __WXGTK12__ is
368  set for GTK+ 1.2 or *any later release* so is true for GTK+ 2.0 too!
369
370* (Unix version): aven: Add details of which of wxGTK, wxMotif, and wxX11
371  we've been compiled with, and which GTK+/Motif version where appropriate.
372
373* (Unix version): Fixed build on Fedora Core 3.
374
375* documentation: Updates to 3d file format specification from Mike McCombe.
376
377Changes in 1.1.6 (2005.10.10):
378
379* (MS Windows version): Distribution is about a third smaller than 1.1.5
380  (mostly because mingwm10.dll is no longer required).
381
382* aven: If aven is asked to load a .svx, .dat, or .mak file, run cavern on
383  it, showing cavern's output in a window (with errors and warnings clickable
384  to load the offending file into an editor), and then loading the resulting
385  3d file.
386
387* aven: Added "Colour by Date" option.
388
389* aven: Disable "Colour by Depth" option if there's no elevation variation.
390
391* aven: Don't crash if trying to load a survey with no elevation variation.
392  Instead turn off depth colouring.
393
394* aven: Export as HPGL added.
395
396* aven: Improved update of mouse coordinates and measuring line (thanks to
397  Martin Green).
398
399* aven: Show the coordinates of either the mouse pointer or the nearest
400  survey station to it (if there is one near enough).  Showing both was
401  confusing and meant the status bar overflowed on smaller displays.
402
403* aven: When printing an extended elevation, don't show bearing and elevation.
404
405* aven: Don't lock "flat" surveys which aren't extended elevations - a
406  flat survey with LRUD data isn't flat any more!
407
408* aven: When we have to draw blobs and crosses the slow way (because the
409  graphics hardware doesn't support the fast way), draw them so that they
410  should appear at the correct depth into the 3D scene instead of on top
411  of everything else.
412
413* aven: Make "play presentation backwards" icon green to match the other
414  presentation icons.
415
416* (MS Windows version): aven: Mouse clicks on the survey view now set the
417  keyboard focus there.
418
419* (MS Windows version): aven: Fix first redraw of a newly loaded survey.
420
421* (MS Windows version): aven: Fix redrawing of measuring line.
422
423* cavern: Store dates for img_XSECT.
424
425* cavern: Fixed small one-off memory leak if you specify -o more than once.
426
427* (Unix version): Check environmental variable LC_MESSAGES when deciding what
428  language to use for messages.
429
430* (MS Windows version): "Print" on a 3d file now prints through aven rather
431  than the separate printer driver (Unix has done this for some time).
432
433* Removed old printer drivers.
434
435* img library: When creating a 3d file, ignore img_XSECT if we've been asked
436  to write a file format version which doesn't support it.
437
438Changes in 1.1.5 (2005.09.20):
439
440* (MS Windows version): aven: Fixed crash on start-up (introduced in 1.1.4).
441
442* aven: Make blobs round like they are in Survex 1.0.
443
444* aven: If the graphics drivers don't support drawing blobs using OpenGL
445  point markers, fall back to drawing filled circles.
446
447* aven: If the graphics drivers support it, draw crosses as texture mapped
448  OpenGL point markers which is much faster.
449
450* aven: Cross size increased to match Survex 1.0.
451
452* aven: We must update which blobs are displayed if display of surface or
453  underground legs is toggled.
454
455* cavern: Fix handling of a *solve followed by survey data, none of which is
456  attached to the previous data.
457
458* cavern: Fixed "No survey data" error when a *solve is followed by another
459  *solve (or the implicit solve at the end of processing) with no data between
460  them.
461
462Changes in 1.1.4 (2005.09.19):
463
464* aven: Added Aven's icon to the "About" dialog.
465
466* aven: Use localised character for the decimal point (e.g. "," in most
467  continental European countries).
468
469* aven: Previously the survey tree would get focus and then take keypresses
470  (e.g. "P", "L", "Delete").  Now we pass most keypresses across so they
471  operate on the cave, and transfer the input focus across when we do.
472
473* aven: Make pressing "Return" in the tree control expand/collapse a subtree.
474
475* aven: Speed up intialisation by delaying creation of OpenGL lists until
476  they're needed.
477
478* aven: Added Mark Shinwell's bounding box with shadow of the survey.
479
480* aven: Disable the "Tubes" button/menu item when there's no LRUD data.
481
482* aven: Reworded "Restore Default Settings" as "Restore Default View".
483
484* (Unix version): aven: Set sensible default margins for printing and preserve
485  any margin values the user specifies between runs (previously margins
486  defaulted to 0 each time aven was run).
487
488* Documentation: Document *DATA PASSAGE in the manual.
489
490Changes in 1.1.3 (2005.09.07):
491
492* (Microsoft Windows version): Fixed build problems.
493
494* cavern: Allow OMIT character (-) for left/right/up/down.
495
496* aven: Remove an unnecessary menu separator.
497
498* aven: Fix "Find" and "Hide" toolbar buttons to work with GTK2.0.
499
500* aven: Make the tooltip for "Hide" show the number of found stations.
501
502* aven: If * or ? is used in a glob-style pattern, force a non-substring match.
503
504* aven: Enable "New Presentation" when there's a 3d file loaded, rather than
505  when there's a presentation loaded.
506
507* aven: Make entrances green in side panel tree list to match green blobs used
508  in cave view.
509
510* aven: Don't show surface labels if we're not showing surface data, etc.
511
512* aven: Merge "Start Rotation" and "Stop Rotation" into "Toggle Rotation" and
513  make "Space" the key for this.  Keep Return working "Stop Rotation" so
514  existing users are happy, but don't advertise it.
515
516* aven: Normalise filename by adding any extension used, and use the normalised
517  filename for file history and window title.
518
519* (Unix version): aven: Stop setting extra toolbar margin when using GTK2.0
520  as the toolbar buttons already have a sensible margin - the extra margin is
521  only needed with GTK1.2.
522
523* aven: Fix handling of plumb legs in tube model.
524
525* aven: Fixed swapped L and R in tube model.
526
527* extend: Preserve UD cross-section information in extended elevation.
528
529* extend: Add new messages for John Pybus' enhancements.
530
531Changes in 1.1.2 (never formally released):
532
533* Added support for LRUD data in .svx files, in .3d files, and aven can
534  now load and display it on screen and on printouts.  The ability to "fake"
535  LRUD data in aven is gone for now but will reappear in some form later.
536
537* cavern: Removed support for writing Chasm's 3dx format.  We're going to
538  fold any desirable missing chasm functionality into aven.
539
540* aven: Rearranged mouse actions as discussed on the mailing list.  Added
541  cursors for each different mouse action to help the user learn what each
542  does.  Also added cursors for the "compass" and "clino" as well as the
543  scalebar to suggest to the user that they can be dragged to change the view.
544
545* (Unix version): aven: Don't segfault if LANG isn't a known language.
546
547* tests/smoketest.tst: If X windows is running, check that we can run aven
548  with --help and --version.
549
550* tests/cavern.tst: Fixed cavern.tst to warn if it is skipping a test because
551  no results are listed for it.  This revealed that there was a "newline" test
552  which should have been called "badnewline", and was a broken testcase too!
553  Fixed all these problems.
554
555* cavern: Applied Simeon Warner's patch for handling backcompass, backclino,
556  and omitted forward compass/clino readings in Compass DAT files.  Added
557  a feature test for this to the testsuite.
558
559* It no longer makes sense to have an option not to build aven or to build aven
560  without OpenGL so remove old machinery for this from configure and the
561  sources.
562
563* (Unix version): configure: Check if "-lXxf86vm" is needed.
564
565* configure: Better output for strcasecmp test.
566
567* aven: Fix crosses to work much better.  Not a total fix - their position
568  in the Z buffer isn't correct and they're rather slow to plot.
569
570* aven: Don't regenerate the hittest grid every time the mouse moves while
571  animating, which solves the mysterious pausing effect (thanks go to Martin
572  Green for spotting this!)  Also clear all the status bar coordinates when
573  animating.
574
575* aven: Sort out clashing menu shortcuts in some languages.
576
577* aven: Fixed compilation problem on x86_64
578
579* SPUD: Pruned out stuff which has been done or which is not actually relevant
580  to this branch.
581
582* Merge various changes from 1.0 branch:
583
584  + aven: Port over "printing from aven" functionality.
585
586  + aven: Port over "export as" functionality,
587
588  + Add David Loeffler's vim mode for .svx files.
589
590* aven: Fix check for whether a label is behind us in perspective view.
591
592* aven: Don't use an opengl list for drawing the indicators - we typically make
593  a new list each time we plot them anyway.
594
595* Remove lingering traces of support for RISC OS and pre-386 MSDOS
596
597* aven: Set icon on non-Windows platforms too.  This means that with
598  WindowMaker on Unix you get an icon on the AppIcon by default.
599
600* configure: Update wxWindows checks to handle newer wx versions.
601
602* Make all maintainer perl scripts "use bytes;" to avoid utf-8 double encoding
603  problems.  They also all require Perl 5.8 now (hopefully this isn't an issue
604  for anyone building from CVS).
605
606* acinclude.m4: Quote macro name for fix autotools warning.
607
608* Documentation: "tilt up" is "'" not ",".
609
610* aven: Add support for mousewheels (to tilt the cave).
611
612* aven: Fixed twisted transitions to and from pitches in certain cases.
613
614* aven: Pick a sensible initial window size when the user's desktop is spread
615  over more than one monitor (works best with wx2.5 or newer, but try to do
616  better with wx2.4 or earlier as well).
617
618* aven: Initialise GfxCore slightly later to avoid visual glitch from notebook
619  contents being visible before any survey is loaded.
620
621* aven: Allow a coloured texture to be used
622
623* aven: Don't initialise until we have data (to the user, this means the window
624  is default colour (grey for most systems) not black until a survey is
625  loaded).
626
627* aven: Fixed weird "shadowed" icons.
628
629Changes in 1.1.1 (2004-10-06):
630
631* (Microsoft Windows version): aven: Hopefully fix loading a survey file at
632  startup.
633
634* aven: Delay loading the bitmap for the "About" dialog until it is first
635  needed.  We want start up to be as quick as possible.
636
637Changes between 1.0.32 and 1.1.0 (never formally released):
638
639* NOTE: Survex 1.1.X releases are development snapshots made available for
640  the purposes of allowing wider testing and getting more user feedback.  Once
641  the code has stabilised the version number will be raised to 1.2.0.
642
643* aven: Now uses OpenGL for 3d rendering - you may need to install drivers if
644  you're using Windows 95 - these can be obtained from:
645  http://download.microsoft.com/download/win95upg/info/1/W95/EN-US/Opengl95.exe
646
647* aven: Solid passages - passage dimensions are currently inferred from
648  the leg length (pretty effective as you can measure longer legs in
649  larger passages).  Use of real LRUD data coming soon...
650
651* aven: Depth colouring is now continuously varying.
652
653* aven: Colour by depth can now be turned off (and there's the start of a
654  framework for properly implementing colour by date, error, etc).
655
656* aven: Find stations moved onto the toolbar and now uses a simple wildcarded
657  match (? matches any character, * matches any number of characters).
658
659* aven: We now use the status bar for coordinates, distances, etc to make
660  better use of screen space.
661
662* aven: Full screen mode (F11).
663
664* aven: Perspective view.
665
666* aven: Context sensitive cursor shape - needs more work.
667
668* aven: Mouse actions changed (hopefully they're now more natural, but
669  you may find the change disorientating - feedback wanted on this).
670
671* aven: Added "presentations" which allow you to set up fly-through paths
672  and load/save/run them.
673
674* aven: A presentation can be exported as a movie file.
675
676* aven: Added Save screenshot facility.
677
678* aven: Depth fogging option.
679
680* aven: Added Smooth Lines option.
681
682* aven: Added Textured Walls option.
683
684* aven: If a survey has surface legs but no underground legs, default to
685  showing the surface legs.
686
687* cavern: Dates given to *date are now stored in the 3d file.
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