source: git/NEWS @ 1646310

line_contentsstereotravis-osx
Last change on this file since 1646310 was 1646310, checked in by Olly Betts <olly@…>, 5 years ago

NEWS: Update.

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169ddbce6 (Olly Betts 2015-02-24 17:36:27 +1300    1) Tue Feb 24 04:35:58 GMT 2015  Olly Betts <olly@survex.com>
2
3Changes in 1.2.17 (2015-02-24):
4
5* MacOS X version:
6
7  + Update INSTALL file with current status.
8
9  + Aven.app now has a custom icon.
10
11  + Add icons for all the filetypes supported.
12
13  + Add Finder actions for .svx, .3d, .plt and .pos files.
14
15  + aven: Hide the status bar and tool bar in Full Screen mode, as wx doesn't
16    currently do this for us.
17
18  + aven: Fix short-cut for toggling Full Screen mode.
19
20  + aven: Make "About" menu item appear.
21
22  + aven: Fix "Close" button in about dialog.
23
24  + aven: Make custom cursors black with a white outline to match the standard
25    OS X cursor.
26
27  + svxedit: Now wrapped up in an application bundle as svxedit.app.  It
28    still doesn't really work like a standard app though - e.g. you can't load
29    files from Finder (instead run svxedit.app and use File->Open), the font
30    size of most menu items is wrong, the icon for the app is the wish icon
31    rather than the svxedit icon, shortcuts use Ctrl not the Cmd key, and
32    probably more.  I'd probably recommend using another editor (OS X comes
33    with TextEdit.app for example).
34
35  + The documentation is now in a "Docs" directory alongside the apps, rather
36    than in the rather less obvious "share/doc/survex" directory.
37
38  + Default to building for x86_64, since all modern Macs are 64 bit.
39
40  + Disable use of liblzma when building wxWidgets for OS X, which was
41    preventing the build from working on OS X 10.6.8.
42
43  + Download wx sources from SF via redirecting link.  Thanks to David A.
44    Riggs.
45
46  + buildmacosx.sh: Handle the mount point for the disk image containing a
47    space.
48
49  + Link with a static build of PROJ for doing coordinate system conversions.
50
51  + Build wx with --disable-webview to avoid a compilation failure on OS X
52    10.10.1.
53
54  + Use wx-config --cc and --cxx to get the compilers to use for building
55    everything else, as wx adds options to them which otherwise cause linking
56    errors.
57
58  + The diskimage (.dmg) file is now compressed with bzip2, which gives a
59    smaller download.  This means OS X 10.4 is required, but we probably
60    already need at least 10.5 because that's the minimum version which the
61    wxWidgets build supports by default.
62
63  + Remove unused files and copies of files from the diskimage.
64
65* cavern: If the same leg is repeated consecutively, average the readings and
66  treat as a single leg.
67
68* dump3d: Report SEPARATOR used by the file being read.
69
70* aven.svg: Fix visual glitch in SVG icon for aven.  Noted by David A. Riggs.
71
72* aven:
73
74  + Greatly reduce flicker when mouse is moved to the top of the screen in full
75    screen mode and the menu bar reappears.
76
77  + For export formats where scaling is supporting, aven now actually uses the
78    scale specified in the export dialog (previously it ignored this and used
79    1:500).
80
81  + Reimplement animation so that it's based on angular change per unit of
82    elapsed time, rather than averaging the time take for the last two scene
83    redraws.  This gives smoother animation in the face of variable load and
84    scene redraw time, and should be more consistent between platforms.
85
86  + Switching to a point of the compass during auto-rotation now jumps straight
87    there rather than the two animations fighting.
88
89  + Reduce the maximum auto-rotation speed, as the previous limit was uselessly
90    fast.
91
92  + Disable stepping the rotation angle when animating (previously we only did
93    when rotating).
94
95  + Speed up start-up a bit - rather than loading icons from individual PNG
96    files on disk, compile them into the aven binary.
97
98* (Unix version): Add "MimeType" field to desktop files so that file
99  associations work out of the box with modern desktop environments.
100
101* Add start of Hungarian translation from Imre Balogh.
102
103* Merge in many updates to the Russian translation from "vsuhachev".
104
105* Assorted minor updates to other translations.
106
107* Create scalable (SVG) versions of file type icons.
108
109* doc/manual.sgml: Remove $Id and $Date markers, as they don't get expanded now
110  we're using git.
111
112* tests/: Improve test coverage in a few places:
113
114  + Extend tests of fore and back sights to test calibration of the back
115    compass.
116
117  + Test "Can't calibrate angular and length quantities together" error.
118
119  + Check that "*set names ." works when "." is also the decimal point.
120
121Changes in 1.2.16 (2014-10-17):
122
123* aven: Add KML export (stations only currently).
124
125* aven: Allow measuring line to measure from anonymous stations.  (Fixes #44)
126
127* aven: Fix corrupted names in exported files.
128
129* aven: Fix error log window under wxWidgets >= 2.9 to include the system
130  information before the first log message like it does under wxWidgets 2.8.
131
132* cavern: Add support for "*cs JTSK" and "*cs JTSK03".
133
134* tests/: Improve test coverage.
135
136* Translation updates for many languages, plus the start of translations to
137  Greek and Polish.
138
139* Fix to build against wxWidgets 3.0 built with assertions disabled.  Reported
140  by Martin Sluka.
141
142* Fix warnings when compiling with clang (which is the default compiler on
143  Mac OS X).  Reported by Martin Sluka.
144
145Changes in 1.2.15 (2014-08-14):
146
147* cavern: The *cs command now also supports "long-lat", "s-merc" (for "Web
148  Mercator"), EPSG and ESRI codes, "eur79z30", "ijtsk" and "ijtsk03".  This
149  means that we now support all the coordinates systems which Therion does,
150  except for a few which don't have X=East and Y=North.  The documentation
151  for *cs has also been improved.
152
153* aven: We no longer persist full screen mode between runs - it's not a
154  standard behaviour of desktop programs, and it's too easy to go into full
155  screen mode from the menu and then not be able to get out again because you
156  don't know the required key shortcut. (ticket#39)
157
158* aven: When in full screen mode, moving the mouse to the top of the screen now
159  makes the menu bar appear.  This provides a non-shortcut way out of full
160  screen mode, as well as making it easier to perform other operations while in
161  full screen mode.  The current implementation gives an annoyingly flickery
162  transition, but hopefully we can improve this in future. (ticket#39)
163
164* (MacOS X version): If built with wxWidgets >= 3.1.0 (which is still in
165  development), we now call EnableFullScreenView() which improves the full
166  screen mode experience on OS X 10.7 and later.
167
168* img library: Improve documentation for img_ERROR_INFO.
169
170* tests/: Ship some missing .out files and compare.tst.
171
172* tests/: cavern.tst testcase back2 is now actually used.  Fix a bug in this
173  testcase, and extend it to cover a variant of the situation reported as a bug
174  in therion by Bill Gee to the therion list.
175
176* (Linux version) survex.spec: Add run-time requirement on proj and proj-epsg
177  for the survex package and on tk for the svxedit package.
178
179Changes in 1.2.14 (2014-07-05):
180
181* img library: Add ability to store a PROJ4 string describing the coordinate
182  system in use in 3d v8 files.
183
184* aven: If the 3d file specifies a coordinate system, then use it for exporting
185  to formats which need to know (currently GPX).  If the input file doesn't
186  specify the coordinate system, allow the user to enter a PROJ4 string in the
187  export dialog.
188
189* aven: You can now quickly zoom to a particular area by holding down the
190  "Shift" key and dragging with the left mouse button to create a rectangular
191  "rubber band box" around the area you wish to zoom to.  If you release the
192  "Shift" key while still dragging, the box is centred on the start point
193  rather than having one corner there.
194
195* aven: Fix exporting of passage tubes in elevations and extended elevations
196  - previously up and down were getting drawn across the page!
197
198* aven: Fix "Cancel" to work on the print/export dialog, broken by changes in
199  1.2.13.  (Reported by Brian Clipstone)
200
201* aven: Fix the conditions on which the menu item "Cancel measuring line" is
202  enabled - previously it was hard to actually cancel it via the menu.
203  Reported by Hugh St Lawrence.
204
205* aven: Fix wx assertion failures when showing hit test debug view on platforms
206  such as 64-bit Linux.
207
208* aven: When viewing from above, show "Plan" above the "clino" which indicates
209  the tilt angle (instead of "Elevation -90°").
210
211* aven: The extended font data now loads faster, and also uses less memory on
212  64-bit platforms.
213
214* aven: Dragging the vertical divider between the side panel and the 3D view
215  now only updates when you finish the drag, as redrawing continuously just
216  looks clunky except on an ultra-fast machine.
217
218* aven: (German translation) Abbreviate "Blickrichtung" so it doesn't overfill
219  the space available in the aven UI.
220
221* cavern: Add a *cs command to allow setting the coordinate system for *fix
222  commands, and the coordinate system used for processed survey data.  The
223  latter is now stored in 3d v8 format files.
224
225* cavern: Add support for 'L' flag (exclude from length) in Compass .dat files
226  and handle it in the same way as the "DUPLICATE" flag in .svx files.
227
228* cavern: If there's more than one *fix command with coordinates, still
229  actually fix the second and subsequent ones, to avoid triggering bogus errors
230  about unconnected surveys.
231
232* cavern: If there's more than one *fix command with coordinates, report the
233  station name of the previous one, plus the file and line number where it was.
234
235* cavern: Fix handling of the rather contrived case of *fix with no coordinates
236  followed by *solve and then another *fix with no coordinates not to access
237  freed memory.
238
239* dump3d: Report any specified coordinate system.
240
241* doc/3dformat.htm: Update to document how the coordinate system is stored.
242
243* (Microsoft Windows version): Include dump3d in the installer.
244
245* Fix a compiler warning.
246
247* Improve test coverage.
248
249Changes in 1.2.13 (2014-05-15):
250
251* aven: Fix --print option to wait for printing to happen before exiting
252  (previously it would exit right after opening the print dialog, so you
253  couldn't actually print anything out using it).
254
255* aven: Increase the threshold for how close the pointer needs to be to a
256  station from 5 pixels to 7 to try to help touchscreen users.  Reported by
257  Hugh St Lawrence.
258
259* aven: Add "fat finger" mode, toggled by pressing F2, to allow investigating
260  if increasing the minimum pointer to station threshold helps Hugh's problems
261  with using aven on a touch screen device.
262
263* aven: The measuring line was unable to see stations which had just been
264  revealed by toggling surface or underground legs on - this is now fixed.
265
266* aven: Add "hit test grid debug" mode, which shows the hit test grid and how
267  many entries are in each box (toggled by F3).
268
269* aven: Pressing F4 now allows the user to toggle wxWidgets assertion messages
270  off and back on.
271
272* aven: Create the empty hit-test grid data structure lazily, to reduce start
273  up time a little.
274
275* cavern: Improve messages which talk about "tags" and/or "prefixes" in *begin
276  and *end commands to instead talk about "survey names".
277
278* cavern: For ages cavern has warned if you reentered a survey, but this
279  warning was suppressed if it occurred at the same line of the same file as
280  the survey was first entered, but this can only happen if you include the
281  same survey file more than once, which isn't a sensible thing to do for a
282  file with actual survey data in (you might reasonably do it to set up survey
283  grade details or something like that).  The warning is now given in this
284  situation too.
285
286* cavern: After 5 warnings about reentering a survey we give up warning about
287  it, but we used to keep reporting where the survey was originally entered -
288  this secondary diagnostic message is now silenced when the main message is.
289
290* (Microsoft Windows version): Compile C code with optimisation on.
291
292* Add the start of a Russian translation, with messages take from therion.
293
294* Minor translation updates to French.
295
296* Fix compiler warning from GCC.
297
298* Testsuite improvements:
299
300  + Test that "..." anon station works.
301
302  + cavern.tst: Check number of errors returned by all testcases which should
303    fail and give an error count.
304
305  + cavern.tst: Fix to actually fully test everything when builddir != srcdir.
306
307Changes in 1.2.12 (2014-04-14):
308
309* aven: Fix measuring line to show change in altitude rather than altitude
310  itself (accidentally broken by changes in 1.2.11).  Reported by Brian
311  Clipstone.
312
313* aven: Fix printing when built with wxWidgets 3.0.
314
315* aven: Several visual improvements to printouts:
316
317  + Move the numbers below the scale bar down a little so that they don't
318    overlap the scale bar ticks.
319
320  + Set the clipping region after we draw the page border and info box to avoid
321    clipping the border in print preview.
322
323  + Tidy up the appearance of the compass and elevation arrow.
324
325* aven: Fix to build with libav 10.  Reported by Moritz Muehlenhoff in
326  <http://bugs.debian.org/739332>.
327
328* aven: Fix to build with older libav where avcodec_free_frame() isn't
329  available.
330
331* (Linux version) survex.spec: Update spec file used for building RPM packages.
332
333* (Unix version): Add "Keywords:" entry to .desktop files.
334
335* (Unix version): Enable large file support, mostly to support filing systems
336  which return 64 bit inode values, such as CIFS mounts.
337
338* (Microsoft Windows version): Only allow "A-Z" or "a-z" for driver letters,
339  rather than any character which is a letter in the current locale.
340
341* Various translation updates.
342
343Changes in 1.2.11 (2014-01-28):
344
345* aven: Fix wxWidgets assertion when double clicking on an anonymous station.
346  Reported by Kevin Dixon.
347
348* aven: Embed the font data for the first 256 Unicode characters for use in the
349  survey pane into the compiled aven binary to reduce start up overhead.  Any
350  additional characters needed are loaded from a data file only if/when a
351  character >= U+100 is actually needed (as before).
352
353* aven: Fix display of Unicode characters above 256 when there's a character
354  <= 256 earlier in the same string.
355
356* aven: Use the actual width of Unicode characters above 256 rather than
357  assuming they are 16 pixels wide.
358
359* aven: If full screen, don't show the side panel when a new file is opened
360  (e.g. via Ctrl+O).
361
362* aven: Don't give an assertion failure when showing passages for a cave with
363  no vertical extent.  Reported by Jonny Prouty.
364
365* aven: Change terminology in print dialog - say "legend" instead of "info
366  box".
367
368* aven: Add option to show the tilt angle as a percentage gradient.
369
370* aven: Show the units (degrees, grads, or percent) for the tilt and bearing
371  indicators.
372
373* aven: All length units are now translatable.
374
375* aven: Split log_fl_error helper function out of CHECK_GL_ERROR macro, which
376  will reduce code size and also the number of deprecation warnings about
377  gluErrorString on Mac OS X 10.9.
378
379* (Microsoft Windows version): aven: Try to work around redraw issues related
380  to the measuring line by redrawing the whole window, which doesn't seem to be
381  measurably slower.
382
383* cavern: If *units is used to try to set units for LEVEL, PLUMB, or POSITION,
384  give an error rather than quietly ignoring the attempt.
385
386* cad3d: Make cad3d remap control characters and spaces in station names when
387  generating PLT output in the same way aven does.
388
389* Various translation updates (particular thanks to Eric Madelaine and Dennis
390  Baudys), including the start of a Bulgarian translation, with messages taken
391  from Therion and elsewhere.
392
393* (Microsoft Windows version): On Microsoft Windows 2000 and newer, use
394  GetUserDefaultUILanguage() to get the UI language to use.  For older
395  versions, continue to use GetUserDefaultLCID().
396
397* (Microsoft Windows version): The Indonesian translation will now be used
398  automatically when the system language is set to Indonesian.
399
400* (Mac OS X version): Fix to build with wx 3.0.0 on OS X 10.9.  Thanks to David
401  A. Riggs for his work on this.
402
403* (Mac OS X version): Update buildmacosx.sh script to use wx 3.0.0, and add a
404  checksum check for the downloaded wx sources.
405
406* Fix a lot of the compiler warnings when building with clang.
407
408* doc/manual.sgml: Add missing quantities to the list documented as accepted by
409  *units: LEFT, RIGHT, UP/CEILING, DOWN/FLOOR (missing entirely);
410  BACKCOMPASS/BACKBEARING, BACKCLINO/BACKGRADIENT (missing from the main list,
411  mentioned in list of the units that can be set for them); COUNT (missing
412  alternative name for COUNTER); DX/EASTING, DY/NORTHING, DZ/ALTITUDE
413  (incorrectly listed as X, Y, Z).  Reported by Jonny Prouty.
414
415* Test suite: Improve test coverage for cavern.
416
417Changes in 1.2.10 (2014-01-15):
418
419* aven: Fix assertion if two mouse buttons are held down at the same time.
420  If dragging with more than one mouse button held down, releasing one causes
421  another which is still held down to take effect.  Reported by Brian
422  Clipstone.
423
424* aven: If we fail to start the external editor when the user clicks on an
425  error or warning from cavern, show an error box.
426
427* aven: If the survey has a title, add it as a top-level <title> element to
428  exported SVG files.
429
430* aven: Escape '<', '>', and '&' in labels in exported SVG files.
431
432* aven: In GPX export, set the <time> element to the datestamp from the 3d
433  file.
434
435* aven: Don't try to write the title if it isn't set or is empty when exporting
436  GPX files.
437
438* aven: Don't bother looking up the printer page setup info when exporting.
439
440* (Microsoft Windows version): aven: Fix crash on "File->Print" or
441  "File->Export" under Windows XP, reported by Brian Clipstone.
442
443* (Microsoft Windows version): aven: Fix error dialog about an incorrectly
444  encoded filename which could occur if run without being asked to load a file
445  on startup.
446
447* (Microsoft Windows version): aven: Compile with optimisation on.
448
449* img library, aven: Although processed CMAP data files are often referred to
450  as "CMAP .XYZ files", it seems that actually, the extension .XYZ isn't used,
451  rather .SHT (shot variant, produced by CMAP v16 and later), .UNA (unadjusted)
452  and .ADJ (adjusted) extensions are.  Since we've long checked for .XYZ, we
453  continue to do so in case anyone is relying on it, but also check for the
454  other extensions.
455
456* img library: Add new "datestamp_numeric" field to struct img giving the
457  datestamp as a time_t in UTC (or (time_t)-1 if there's no datestamp or we
458  failed to convert it).  For .3d >= v8, this field is reliable.  We attempt to
459  convert date strings in .3d <= v7 and CMAP XYZ files, but may get the
460  timezone wrong.
461
462* img library: Fix my_strcasecmp() to handle top-bit set characters better.
463
464* cavern: Fix NULL pointer dereference when processing Compass DAT file without
465  'SURVEY DATE:'.
466
467* doc/manual.sgml: Update references to Survex 1.1 which should be to 1.2.
468
469* doc/manual.sgml: Note the station length limit Smaps used.
470
471* Fix some compiler warnings if built with glibc's fortify source feature
472  enabled.
473
474Changes in 1.2.9 (2014-01-08):
475
476* Document --3d-version in cavern man page and the manual.
477
478* aven: Fix compilation error in movie export code with recent libavi.
479
480* aven: Fix warning on stderr when export a movie as MPEG.
481
482* img library: In non-hosted mode, don't define GETC and PUTC if they're
483  already defined, to allow easy overriding with getc_unlocked() and
484  putc_unlocked() (which are significantly faster on Linux).
485
486* img library: In non-hosted mode, check that int is at least 32 bits,
487  and if not, use long.  In practice, platforms with 16 bit int are mostly
488  obsolete, but it's not hard to be portable here.
489
490* img library: Add test that img.c and img.h compile in non-hosted mode
491  (regression test for issue fixed in 1.2.8).
492
493* (Microsoft Windows version): aven is now built with wxWidgets 3.0.0.
494
495* Update translations from launchpad and from existing similar messages.
496
497* Fix some compiler warnings.
498
499Changes in 1.2.8 (2013-10-29):
500
501* cavern: Fix handling of anonymous wall stations ('..' by default) to
502  implicitly set the SPLAY leg flag, as was intended.  Reported by Thomas
503  Holder.
504
505* cavern: Tweak .err file output not to lose the space in front of certain
506  statistics when the value gets large.
507
508* cavern: Eliminate redundant progress message when solving simultaneous
509  equations.
510
511* aven: Add a format drop down to the export dialog, and only show fields which
512  are meaningful and supported for the currently selected export format.  The
513  format defaults to that used most recently.  The "Elements" and "View" boxes
514  have been swapped in the print and export dialogs as that layout works much
515  better when the "View" box is hidden.
516
517* aven: Changing checkboxes in the print or export dialog didn't work in 1.2.7
518  - now works again.  Reported by Anthony Day.
519
520* aven: Add GPX export (based on findentrances patch from Olaf Kähler).  In
521  this release the projection which the survey coordinates are in defaults
522  to the BMN M31 grid used in the Totes Gebirge in Austria.  On Unix, you
523  can edit ~/.aven and add a new line setting 'input_projection' to a PROJ
524  projection string.  The ability to specify this projection in a better
525  way is coming soon.
526
527* aven: New export options "Origin in centre" and "Full coordinates" - the
528  latter fixes #10.  GPX and PLT output implicitly force "full coordinates".
529
530* aven: The "Sketch" vector drawing program got renamed to "Skencil" some
531  time ago, so update references.
532
533* aven: Make the Presentation->Play menu item a checkbox, to avoid a warning
534  with wxMSW 2.9.5.  Reported by Brian Clipstone.
535
536* aven: Make right click in an empty presentation mark the current position and
537  open it to edit, instead of crashing.
538
539* aven: Update movie export code to work with latest libav API.  Reported by
540  Sebastian Ramacher.
541
542* aven: Improve reporting of errors during the process of exporting a movie.
543
544* aven: Don't try to close the movie if we aren't producing one.
545
546* aven: Fix assertion failure when double-clicking on the survey with wx2.9.
547
548* aven: Fix to build with wxMSW 2.9.5.
549
550* aven: Fix to build with wx 2.9.5 with wx2.8 compatibility disabled.
551
552* cad3d: The "Sketch" vector drawing program got renamed to "Skencil" some time
553  ago, so add a new --skencil option to specify this output format.  The old
554  name (--sketch) is still recognised for compatibility.
555
556* cad3d: Make --marker-size work for Skencil and SVG output.
557
558* dump3d: Make --show-dates option show dates for XSECT.
559
560* img library:
561
562  + Fix to work once more when used outside of Survex (missing definition of
563    max() macro and a bad call to free() in img_close() for a file opened for
564    reading).
565
566  + Use lround() instead of round(), and make the tests around whether we use
567    the library function or the our fallback implementation saner.
568
569  + Fix // comments in C code for portability to pre-C99 compilers which don't
570    support these as an extension.
571
572  + Can now be compiled as C++ as well as as C.
573
574* (Microsoft Windows version): The installer is now built with a newer version
575  of Innosetup, and includes translations for all the languages which Survex
576  itself has any translations for.
577
578* (Microsoft Windows version): aven is now built with wxWidgets 2.9.5.
579
580* Minor translation updates.
581
582* tests/Makefile.am: Distribute files for "normal_bad" testcase.
583
584Changes in 1.2.7 (2013-07-27):
585
586* Add support for anonymous stations, which are indicated by one, two or three
587  separator characters - with the default separator of '.', that means '.',
588  '..', and '...' are anonymous stations.  Single separator ('.' by default)
589  is an anonymous non-wall point, double separator ('..' by default)
590  is an anoymous wall point at the end of an implicit splay), and triple
591  separator ('...' by default) is an anoymous point (with nothing special about
592  the leg).  A new *alias command allows '-' to be mapped to '..' for
593  compatibility with pocket topo: *alias station - ..
594
595* New version 8 of the 3d format:
596
597  + Supports new flags img_SFLAG_ANON and img_SFLAG_WALL.
598
599  + New explicit file-wide flag for 'this is an extended elevation', rather
600    than modifying the survey title to indicate this.
601
602  + The survey prefix is often unchanged from one leg to the next, so use a
603    spare flag to compactly indicate when there's no label change.
604
605  + The data style of each leg is now stored.
606
607  + The "processed at" time is stored as seconds since 1970 rather than a
608    human-readable string.
609
610  + Since 3d v8 features significant changes to the format, the format
611    documentation for v7 and earlier has been split off into 3dformat-old.htm.
612
613* img library:
614
615  + New station flags img_SFLAG_ANON and img_SFLAG_WALL.
616
617  + Handle .pos files containing unnamed stations - don't suck the next line in
618    as the station name, and set img_SFLAG_ANON for them.
619
620  + Repurpose the long unused fBinary parameter to img_open_write() as a flags
621    parameter, and add img_FFLAG_EXTENDED to specify that this is an extended
622    elevation, in place of appending " (extended)" to the title.  Internally we
623    still append this to the title (and remove it upon reading) when writing
624    3d v7 or earlier, but for the new 3d v8 format, this flag is stored
625    explicitly in the file.
626
627  + img.h: Add comments for the lists of "Leg flags" and "Station flags".
628
629* aven:
630
631  + We now require at least wxWidgets 2.8.0 - it was released over 6 years ago
632    now, and the wx developers consider even 2.8 to be rather long in the
633    tooth.  We stopped testing building with wxWidgets 2.6 some time ago, and
634    formally dropping support for older versions allows a number of workarounds
635    to be removed from the aven source code.  Also, features deprecated in
636    wxWidgets 2.9 are no longer used in our code.
637
638  + Don't run incremental search on every key-press, as on a slow machine the
639    short initial search(es) will take a while but not be useful.  Instead only
640    actually run the search when we're told there are no more key-presses
641    queued up.
642
643  + Implement support for including cross-section information in exported SVG
644    and DXF files (ticket#4).  The DXF export is untested currently.
645
646  + Show splay legs faded by default, with menu options to hide them or show
647    them like other legs.
648
649  + Speed up loading a .3d file with cross-sections by using a map to convert
650    station names to positions.
651
652  + In the cavern log window, don't highlight a file:linenumber if there's no
653    message after it, which avoids highlighting the "Included from" lines
654    wrongly.
655
656  + Fix not to crash when trying to report an error while starting up.
657
658  + (MacOS X version): Change the menu shortcut for "Full Screen Mode" to be
659    the OS X standard shortcut Shift-Command-F (previously we used F11, but
660    that's used by the desktop).
661
662  + Add checks for errors when reading the font file.
663
664  + Remove useless extra quoting when invoking vim to show the location of an
665    error from cavern.
666
667  + Include GL/gl.h before GL/glext.h (needed on Debian wheezy).
668
669  + Use wxValidator to simplify keeping svxPrintDlg member variables and fields
670    in the dialog in sync.
671
672* cavern:
673
674  + Demote errors about invalid dates to warnings, since we've accepted *date
675    for ages without any checks on the value, and so existing datasets
676    probably contain invalid dates and dates in other formats.  (ticket#19)
677
678  + New *alias command allows '-' to be mapped to '..' for compatibility with
679    pocket topo: *alias station - ..
680
681  + We want to warn if there's a clino reading which it would be impossible to
682    have read from the instrument (e.g. on a -90 to 90 degree scale you can't
683    read "93" (it's probably a typo e.g. for "39").  However, the gradient
684    reading from a topofil is typically in the range 0 to 180, with 90 being
685    horizontal.  Really we should allow the valid range to be explicitly
686    specified, but for now we infer it from the zero error - if this is within
687    45 degrees of 90 then we assume the instrument can read between 0 and 180
688    degrees.
689
690  + If the survey isn't all connected, still run survey tree checks and report
691    errors and/or warnings which might suggest typo locations.  Thanks to Kevin
692    Dixon for the report which highlighted this issue.
693
694  + Report a warning if *begin SURVEY has a separator character in SURVEY.
695
696  + Report column numbers as well as line numbers for some cavern errors and
697    warnings.
698
699  + Adjust width of node stats table to fit longest count when there are more
700    than 9999 of a particular order of node.
701
702  + If the argument to *include has an opening double quote but the closing
703    double quote is missing, then skip trying to open the file.
704
705  + Move "Station X referred to just once" warning after non-existent survey
706    check - if both fire, the non-existent survey error is likely to be more
707    relevant.
708
709  + We no longer follow an error for a bad reading in passage data with a bogus
710    "End of line not blank" error, but instead check the remaining readings on
711    the same line.
712
713  + We no longer follow an error about OMIT for a required reading with a bogus
714    "End of line not blank" error.
715
716  + Report an error if the scale factor in *calibrate is zero - it doesn't make
717    sense and probably means someone reversed the arguments to *calibrate.
718
719  + Report the parent include files starting from the outermost, as that's more
720    logical when there are multiple levels involved.
721
722  + If we were expecting a numeric field and instead get something which starts
723    with '+', '-', or '.' but which isn't a number, then fix the error to
724    include that character in the token reported.
725
726  + Simplify handling of quantity lists to only recognise 'DEFAULT' as the
727    first item.
728
729* cad3d: Check for errors from img_rewind() and report them.
730
731* dump3d:
732
733  + Build, install and package dump3d as standard - it's useful for grabbing
734    info from 3d files in scripts.
735
736  + Add --show-dates option.
737
738  + Show only 2 decimal places on coordinates and passage dimensions.
739
740  + Report the data style of legs.
741
742  + Report if the file is an extended elevation.
743
744  + Report img_STOP as STOP rather than CODE_0xffffffff.
745
746* Test suite:
747
748  + cavern.tst: Fix equatenosuchstn testcase (added in 1.2.6) to normalise the
749    expected output so it passes reliably.
750
751  + cavern.tst: Run diffpos <expected> <actual> so the reports of 'Added' and
752    'Deleted' stations upon failure are the more natural way round.
753
754  + Add more testcases, expand some existing testcases, and add expected output
755    for more.
756
757* (Microsoft Windows version): Use wx-config's --cc and --cxx flags to find the
758  appropriate C and C++ compilers to use, and link mingw build statically to
759  avoid needing the libgcc DLL (which newer GCC seems to have by default).
760
761* (Unix version): When determining the character set for command-line tools,
762  check environmental variable LANG after LC_ALL and LC_CTYPE.
763
764* When determining the language, check environmental variable LC_ALL before
765  LC_MESSAGES and LANG (but after SURVEXLANG).
766
767* If we don't find the message file, only give an error if it was specified
768  with SURVEXLANG, since that is an explicit instruction to Survex, whereas
769  LANG, LC_ALL and LC_MESSAGES are essentially system "preferred locale"
770  settings.
771
772* There are a handful of hard-coded English message strings for reporting
773  errors trying loading message files, etc.  These are all now ASCII, as if we
774  fail trying to open a message file, it's more likely the encoding isn't
775  set correctly.
776
777* Prune strings we are no longer using and are probably unlikely to use again
778  into a new file po_codes_dead, so that translators don't get presented with
779  them to translate.
780
781* Merge lots of translation updates.  Most translations are now complete or
782  close to complete.
783
784* Add start of Indonesian translation from Arief Setiadi Wibowo.
785
786* Fix various compiler warnings when building from source.
787
788* Include scripts gdtconvert and gen_img2aven in the source distribution.
789
790Changes in 1.2.6 (2012-02-23):
791
792* (Mac OS X version): Fix so that cavern finds its messages when run by aven.
793
794* (Microsoft Windows version): Include JPEG images for aven in the installer
795  package (ticket#35).
796
797* cavern: If we have a reference to a station in a non-existent survey, give a
798  helpful error rather than saying the station hasn't been exported from the
799  survey.  (Bug reported by Martin Green via email)
800
801* aven: Fix to build with a non-Unicode wxWidgets library.  Patch from Olaf
802  Kahler.
803
804* findentrances: Add findentrances utility from Olaf Kahler which produces a
805  .gpx file with waypoints for entrances.  This needs libproj so is disabled
806  by default for this release - to enable it install the development stuff for
807  libproj and build survex with:
808
809      make FINDENTRANCES=findentrances
810      make install FINDENTRANCES=findentrances
811
812* dump3d: Add support for showing img_ERROR_INFO items.
813
814* doc/3dformat.htm: Merge in some improvements from Mike McCombe.
815
816* Incorporate a French translation from launchpad I'd previously copied the
817  English version of by mistake.  Attempt to correct mistranslation of "survey
818  file".
819
820Changes in 1.2.5 (2012-01-03):
821
822* aven:
823
824  + The survey tree in the left panel is now in sorted order once more.
825
826  + No longer fails with an assertion if used for a long time (we were leaking
827    an OpenGL list each time one had to be regenerated).
828
829  + Now builds with newer FFmpeg library.
830
831  + Draw measuring line in front of the indicators rather than behind them.
832
833  + Loading a new file (or reloading the current one) no longer invalidates
834    the OpenGL lists for the compass and clino, so will be a fraction faster.
835
836* Improve handling of attempts to look up translated messages before the
837  message subsystem is fully initialised (which only happens if there's an
838  error early on).
839
840* Improve the survex(7) man page text, and fix it to be marked as section 7 in
841  the man page source as well as in the filename.
842
843Changes in 1.2.4 (2012-01-01):
844
845* aven:
846
847  + A change in 1.2.3 meant that aven tried to use OpenGL before it was
848    initialised, which doesn't cause problems in some machines, but causes aven
849    to abort on others.  This is now fixed, and there's a check in place to
850    help avoid similar issues in future. (ticket#34)
851
852  + Always use metres or feet for the depth colour key, and chose a consistent
853    precision by looking at the depth range. (ticket#30)
854
855  + Show the depth units below the colour bar rather than after every value.
856
857  + When zooming way in, stay in metres rather than switching to cm.
858
859  + On the scale bar, say “1 mile” rather than “1 miles”.
860
861* Translation updates for Catalan, French and Slovak.
862
863Changes in 1.2.3 (2011-12-31):
864
865* Fix to build with wxWidgets 2.9.2.
866
867* (Mac OS X version):
868
869  + Processing .svx files from aven now works.
870
871  + Remove spurious blank lines from the licence text in "Get Info".
872
873  + Don't create the help menu at all, as it is empty (because the "About"
874    entry goes elsewhere) and sometimes seems to appear in the UI.
875
876  + INSTALL.OSX: Update to reflect current status.
877
878* aven:
879
880  + Fix Y coordinates of surface surveys on printouts.  (Closes #32)
881
882  + Improvements to text plotted on the survey pane:
883
884    - Support plotting Unicode character points > 256 by lazily loading the
885      data for them from the font file and plotting them with a direct call to
886      glBitmap(), which is slower but doesn't require a display list per
887      character.
888
889    - Adjust the spacing from fixed width to putting a one pixel gap either
890      side of each one character (so two between adjacent glyphs).  Mostly this
891      reduces the horizontal width, but it adds a pixel for characters like "m"
892      and two in a few cases.
893
894    - Fix .pixelfont file generation to correctly handle characters wider than
895      8 pixels.
896
897  + Fix expected cross shape so don't always reject using texture mapping to
898    draw crosses.
899
900  + As we read a survey file, eliminate tubes consisting of zero XSECTs as well
901    as those consisting of just one.  Previously we would trip over the empty
902    tube later.  Such tubes can for example be created by extend if a splay shot
903    is the start or end of a tube.
904
905  + Make the green colour used for entrances in the survey tree the same
906    (slightly darker than before) green used for the entrance blobs.
907
908  + Report the version of the library we're actually running with if built
909    against wx >= 2.9.2.  Make it clear that the version reported is the
910    version *built* with for wx < 2.9.2.
911
912* extend:
913
914  + Copy the end markers for passage tubes.
915
916  + Preserve left and right data for tubes (previously they were set to -1.0
917    which means "no info").
918
919* img library: Fix incorrect comment in img.h which claimed that img_XFLAG_END
920  was no longer used - it certainly is!
921
922* Use curly double quotes instead of "`" and "'" to quote filenames, etc in
923  messages, and curly single right quote instead of straight ASCII apostrophe.
924  Fall back to using straight ASCII versions if we can't represent them in the
925  current character set.
926
927* Translation updates for Catalan, French, Slovak and Spanish.
928
929* Test suite:
930
931  + Add test coverage for interleaved diving data.
932
933  + Add testcase for diving data with topofil-style distance.
934
935Changes in 1.2.2 (2011-10-06):
936
937* aven:
938
939  + Replace the textured-mapped font drawing with an approach based on
940    glBitmap.  This doesn't suffer from the character alignment issues which
941    the textured-mapped fonts had, and is actually significantly faster on some
942    machines.  The current font used is (mostly) fixed-width, but this isn't an
943    inherent limitation - it was just the easiest font data to convert to a
944    usable format.
945
946  + Fix assertion failure due to rounding differences on loading certain .3d
947    files.  (ticket#26)
948
949  + Fix assertion failure when turning on 3D passages if they stick out higher
950    or lower than any station.  (ticket#29)
951
952  + Fix grid not to disappear when blobs are turned on and blobs are drawn
953    using lines.
954
955  + If a degree sign isn't available in the character set in use, transliterate
956    it to 'dg' rather than skipping it.
957
958  + Fix message which should have been a degree sign but got lost in the format
959    change for 1.2.0 and then got reassigned in 1.2.1.  Externally, this means
960    that bearings in the status bar now have a degree sign after them if they
961    are in degrees rather than nothing (1.2.0) or "&Hide Compass" (1.2.1).
962
963  + Fix print dialog to calculate the scale required for "One page" right
964    before it calculates how many pages are required, so we don't end up
965    something other than 1x1 being shown when the user changes settings.
966
967  + Update the calculations for picking a scale and for deciding how many
968    pages are needed to take into account the change in info box height made
969    in 1.2.1.
970
971Changes in 1.2.1 (2011-10-04):
972
973* Translation updates for US English.
974
975* aven:
976
977  + Rename the "depth bar" to "colour key" in documentation, menus, etc since
978    it now shows colours for dates and errors as well as depths.
979
980  + In the colour key for "colour by date", change "No info" to "Undated".
981
982  + Remove the dark grey background from the colour key and just put a single
983    pixel black border around the colours.  This is more in keeping with the
984    other controls, and means the colours are now on a black background so more
985    visually similar to the survey legs.
986
987  + Move the colour key's "Undated"/"Not in loop" entry down a little to
988    improve the appearance.  Make each section a pixel taller.
989
990  + Allow "Colour by X" to be selected even if there's no data for X or only a
991    single value of X used (the colour key is much smaller in these cases, and
992    does still provide some useful information).
993
994  + Fix incorrect calculation of depth colouring for survey legs which straddle
995    a depth band boundary.
996
997  + The scale bar, compass, clino, and colour key now all have right click
998    menus which allow related actions to be performed (especially handy in
999    full-screen mode).
1000
1001  + Improve the font used on the survey pane - it now contains the '-'
1002    character (so the clino now shows negative angles as negative, and dates
1003    in the colour key are now hyphenated).  Also the spacing and alignment
1004    are a little better, though still not perfect.
1005
1006  + PLT file export now handles spaces and control characters in station names
1007    by escaping them with '%' as in URLs.
1008
1009  + Pressing "Enter" on a station in the tree control now centres the view on
1010    that station.
1011
1012  + The scale bar is now cached in an OpenGL display list since it often gets
1013    redrawn exactly the same - for example, when rotating, panning, etc.
1014
1015  + Pressing "F5" forces all cached OpenGL drawing lists to be invalidated and
1016    then forces a refresh of the survey pane.  This is intended as a debugging
1017    aid - if pressing F5 changes the display at all then there's a missing case
1018    where a list should have been invalidated (please report if you find such
1019    a case as it is a bug).
1020
1021  + We now automatically track which OpenGL display lists need to be
1022    invalidated on window width or height changes.
1023
1024  + Increase scale bar maximum width from 65% of the window width to 75% as it
1025    was in 1.0.x (except that if that would overlap the clino we now reduce
1026    that proportion down until it reaches 50%).  Make the limit of zooming in
1027    the same as in 1.0.x.  (ticket#23)
1028
1029  + (Linux version): Previously wxGTK didn't really handle showing a dialog if
1030    the application was fullscreen (the dialog got opened under the main
1031    window!)  To work around this, aven would switch out of full screen mode
1032    temporarily while showing a dialog.  This case works properly with recent
1033    wxGTK, so disable our workaround with versions we know work.  Also, apply
1034    the workaround only for wxGTK, not everywhere except on Microsoft Windows
1035    as there's no reason to think we need it for other platforms.
1036
1037  + Grey out the "View North" action when we're already viewing North, and
1038    similarly for other compass points.
1039
1040  + (Mac OS X and Microsoft Windows versions): Fix missing newline to OpenGL
1041    info in the "About" dialog.
1042
1043  + Fix to set the correct filename on the root of the survey tree - previously
1044    the filename of the previous file loaded was used!
1045
1046  + The movie export code now works with newer versions of the FFmpeg libraries
1047    as well as still working with older versions.
1048
1049  + Fix mixed up messages - the print dialog now says "View" on the left
1050    subgroup of controls rather than some unrelated message.
1051
1052  + On printouts, combine the "Plan View"/"Elevation" info box field with the
1053    field which gives the bearing and reduce the height on the info box by the
1054    removed field, so it's now 3cm for plans and elevations, as for extended
1055    elevations.  Report the tilt angle for tilted elevations which it seems has
1056    been missing for ages (it's not in recent 1.0.x either).
1057
1058  + Tweak the exact positioning of informational text on printouts to look
1059    nicer and make better use of the available space.
1060
1061  + Add keyboard mnemonics to the "Plan" and "Elevation" buttons in the print
1062    dialog.
1063
1064  + Make the sign of the tilt angle for printouts consistent with the sign
1065    shown by the "clino" in the survey pane.
1066
1067  + In the "Print" dialog, when in plan view disable the "Plan view" button,
1068    and similarly for the "Elevation" button.
1069
1070  + (Microsoft Windows version): Sort out appearance of custom cursors.
1071
1072  + If a label isn't valid UTF-8 or CP1252, fall back to ISO8859-1.
1073
1074  + (Mac OS X version): F11 puts aven into full screen mode, but apparently
1075    you can't get out again easily, so add code to explicitly check for F11
1076    being pressed and toggle full screen.
1077
1078* (Linux version): Fix the RPM .spec file for where man pages now get installed
1079  and package aven.svg and the vim support files.  (Fixes from James Begley)
1080
1081* "make check" now performs several checks on the translation files.
1082
1083* More messages are now available to be translated.
1084
1085* cavern: Fix reporting of ranges of survey coordinates, which was broken by
1086  the message handling changes in 1.2.0.
1087
1088* Fix warning when compiling with GCC.
1089
1090* INSTALL: Mention building wxWidgets with --enable-unicode.  Mention using
1091  sudo for installing on Unix.
1092
1093* In the manual, replace the instructions for building from source with a
1094  pointer to the clearer instructions in INSTALL.
1095
1096* In the manual, make it clear that installing with administrator rights
1097  also applies to newer platforms than XP.
1098
1099* doc/TODO.htm: Update.
1100
1101Changes in 1.2.0 (2011-09-20):
1102
1103* Translation updates for Catalan, French, Romanian, Spanish, Slovak, and US
1104  English.
1105
1106* tests/smoke.tst: aven no longer requires an X display for --help or
1107  --version, so replace skip of this check with a check that this remains the
1108  case.
1109
1110* We now use the standard .po and .pot file formats for storing translations
1111  (rather than the Survex-specific messages.txt format), and then translate
1112  these into Survex's .msg format.
1113
1114* (Unix version): Move survex man page to section 7 (since it isn't documenting
1115  an actual command).
1116
1117* (Unix version): Write each generated man page to a temporary file, then
1118  atomically rename, to avoid leaving an empty or partial man page behind if
1119  docbook-to-man dies (1.1.16 had an empty cad3d.1, and we want to avoid a
1120  recurrence of that).
1121
1122* (Unix version): Default to installing docs into /usr/share/doc/survex rather
1123  than /usr/doc/survex.
1124
1125* aven:
1126
1127  + Fix handling of accented characters in the survey pane.
1128
1129  + Aven icon redrawn in SVG format - it's now a vector image which looks
1130    nicer at larger sizes.
1131
1132  + Explicitly request double-buffering, which seems to be needed for systems
1133    with GLX >= 1.3.
1134
1135  + Fix crash while trying to load certain .3d files.
1136
1137  + Movie export code updated to work with more recent versions of FFmpeg.
1138    Currently this is disabled in Microsoft Windows builds, pending getting the
1139    required libraries set up for building releases.
1140
1141  + Reporting of errors during movie export improved.
1142
1143  + Force playback speed to "x1" during movie export.
1144
1145  + Use stock IDs for buttons where appropriate - such buttons may now be
1146    rendered with icons on some platforms.
1147
1148  + If a label isn't valid UTF-8, treat it as CP1252 (the Microsoft superset of
1149    ISO8859-1).
1150
1151  + (Unix version): Remove special handling for toggling "full screen" on wxGTK
1152    as it's no longer required with modern versions.
1153
1154  + Don't redraw the survey on every mouse movement in the survey pane unless
1155    the measuring line is (or just was) active.  (ticket #17)
1156
1157* cavern:
1158
1159  + Drop "non-fatal" from the report of how many errors there were at the end
1160    of the run - it just confuses users - we won't even get here if there's a
1161    fatal error!
1162
1163  + Add --3d-version option to allow the user to specify the version of the 3d
1164    format to output.  (ticket#21)
1165
1166* img library:
1167
1168  + Make the highest and lowest valid values for img_output_version available
1169    in img.h as IMG_VERSION_MIN and IMG_VERSION_MAX.
1170
1171* (Mac OS X version): Fix buildmacosx.sh script to check where the temporary
1172  volume actually gets mounted.  Fix URL for downloading wxWidgets.
1173
1174Changes in 1.1.16 (2011-05-16):
1175
1176* Translation updates for German, Spanish, Italian, Portuguese, Brazilian
1177  Portuguese, and US English.
1178
1179* Use horizontal ellipses character rather than '...' and right arrow character
1180  rather than '->' where these characters are available.
1181
1182* (Unix version): Link with -lGL, if it exists, to support linking with gold or
1183  GNU ld --as-needed (Debian bug #615781).
1184
1185* img.c:
1186
1187  + Fix code typo for IMG_API_VERSION == 0 case.
1188
1189  + Fix code typo in code used when IMG_HOSTED isn't defined.
1190
1191* doc/TODO.htm: Remove entries which have now been done.
1192
1193* (Microsoft Windows version): aven: We now include all the available
1194  translations for messages from wxWidgets, which means that standard widgets
1195  will appear translated where available even if Survex messages aren't
1196  translated.
1197
1198Changes in 1.1.15 (2010-10-15):
1199
1200* aven:
1201
1202  + In the cavern log window, change the "Rerun" button to "Reprocess" to
1203    follow terminology in manual and elsewhere.  Fixes ticket#15.
1204
1205  + When displaying output from cavern, don't update the window after every
1206    line, but only when we don't have data from cavern pending.  Hopefully
1207    addresses ticket#12.
1208
1209  + If we aren't using GL_POINTS for blobs, draw them using a series of
1210    abutting lines rather than with gluDisk which is faster and gives a
1211    consistent shape.
1212
1213  + Check whether blobs and crosses actually render correctly as points/point
1214    sprites, and if they don't, fall back to drawing them with lines.  The
1215    best method is cached on disk, and rechecked automatically if the graphics
1216    hardware is changed or the drivers upgraded.
1217
1218  + Fix non-USE_FNT case to work again (it's limited to ISO-8859-1 characters
1219    though, so we still enable USE_FNT by default).
1220
1221  + Don't offer "All files" wildcard in presentation save dialog.
1222
1223  + (Microsoft Windows): Handle filenames with non-Latin1 characters in in
1224    more places.
1225
1226  + (Microsoft Windows): Quote filenames with spaces and metacharacters in
1227    when running cavern from aven.  Fixes ticket#11.
1228
1229* editwrap: (Microsoft Windows): Handle filenames with non-Latin1 characters.
1230
1231* diffpos: Handle files with duplicate labels in better - extend generates
1232  duplicate labels when it breaks a loop.
1233
1234* Enable eswap-break testcase now that diffpos handles duplicate station names.
1235
1236* New v7 of .3d format which stores survey dates as number of days since
1237  January 1st 1900, so we now support dates from 1900-2078 (rather than
1238  1970-2037) with a smaller file size.  The img API is now versioned - you
1239  can select the new "version 1" by compiling with -DIMG_API_VERSION=1, which
1240  gives the survey dates in days in days1 and days2 instead of as time_t
1241  values in date1 and date2.  Fixes ticket#14.
1242
1243* Consistently use http://survex.com/ rather than http://www.survex.com/ - the
1244  former has been the canonical name for some time, with www.survex.com just
1245  redirecting to it.
1246
1247* (Unix version): Use unlocked file I/O if available, which can be much faster
1248  in some cases (we don't need the locking as we don't do multithreaded file
1249  I/O).
1250
1251* (Mac version): Fix compilation failure due to clash with Point in Mac OS X
1252  headers.
1253
1254* (Mac version): buildmacosx.sh now works again.
1255
1256* Most tests weren't actually running any testcases (looks like a sh
1257  portability issue).  This is now fixed, and fortunately all tests still pass.
1258
1259* Include the extra .isl translation files for Innosetup in the source archive.
1260
1261Changes in 1.1.14 (2010-07-26):
1262
1263* Restore compatibility with wxWidgets 2.6 (1.1.13 required wxWidgets 2.8).
1264
1265* aven:
1266
1267  + After processing survey data, if there were warnings or errors, add a
1268    "Rerun" button to allow easy reprocessing after fixing problems.  If there
1269    were only warnings, also add an "OK" button to allow moving on to viewing
1270    the processed survey data (fixes ticket#13).
1271
1272  + Optimise updating of the cavern log window (hopefully fixes ticket#12).
1273
1274  + Fix links in cavern log window to link from exactly '<file>:<line>' (and
1275    not the ': ' after), and to make the title for the terminal the
1276    warning/error message.  Avoid false positives by checking that '<line>' is
1277    a number.
1278
1279  + Don't double escape the contents of href and target in links in the cavern
1280    log window.
1281
1282  + Improve handling of the splitter window, fixing behavioural glitches in
1283    various cases.
1284
1285  + Highlight stations matching any current search when a file is loaded.
1286    (ticket#9)
1287
1288  + (Mac version): Fix build issue due to Mac OS X polluting the global
1289    namespace with its own "Point" class.
1290
1291  + (Unix version): The Gnome print dialog has its own preview window so
1292    suppress ours if using the Gnome one.
1293
1294  + (Unix version): Link aven with -lGLU which SuSE Linux needs.
1295
1296  + (Microsoft Windows version): Fix handling of a double-click on the survey
1297    tree when built with wxWidgets >= 2.8.11.
1298
1299* cavern: Report relevant file and line number for three warnings which didn't
1300  give them before.
1301
1302* (Unix and Mac versions): configure: Update the wx-config probing code -
1303  wxmac-config etc aren't present with newer wxWidgets versions so there's no
1304  point looking for them now.
1305
1306* (Mac version): buildmacosx.sh: This script builds a diskimage with Survex in
1307  for easy installation.  Update it to work with the latest Survex versions
1308  (use WX_CONFIG not WXCONFIG; use a Unicode build of wxWidgets; if building a
1309  private wxWidgets, use 2.8.11 not 2.7.0-1).
1310
1311* manual:
1312
1313  + Correctly capitalise "GTK".
1314
1315  + Note that on Linux we only regularly test builds with the GTK+ version
1316    (change taken from 1.0).
1317
1318* Fixed the cad3d man page, which was an empty file in 1.1.13.
1319
1320Changes in 1.1.13 (2010-06-16):
1321
1322* Say "wxWidgets" instead of "wxWindows" consistently.
1323
1324* img.c: Fix small memory leak (filename_opened member).
1325
1326* cad3d, aven: Fix export to SVG when a label contains a '%' character.
1327
1328* aven:
1329
1330  + wxWidgets 2.6.0 or newer is now required.
1331
1332  + A "Unicode" build of wxWidgets is now supported.  An "ANSI" build may still
1333    work but hasn't been tested recently (all packaged versions of wxWidgets
1334    seem to be Unicode now).
1335
1336  + Fix potential uses of uninitialised variables which may have been causing
1337    occasional glitches when loading a file on start-up.
1338
1339  + Improvements to the handling of the font used for plotting labels and other
1340    text on the survey pane:
1341
1342    - Loading the font file is more efficient.
1343
1344    - Character spacing is improved.
1345
1346    - Default font is now anti-aliased.
1347
1348  + "About" dialog:
1349
1350    - Add "Copy" button to copy the system info to the clipboard for easier
1351      bug reporting.
1352
1353    - List OpenGL extensions last, since there are usually lots of them with a
1354      modern gfx card.
1355
1356    - Fix 100% CPU usage while the "About" dialog is open.
1357
1358  + Processing .svx files:
1359
1360    - Passing a .svx file on the command line now works better.
1361
1362    - Put the survey data log window in a splitter in the usual frame rather
1363      than opening a separate frame for it.
1364
1365    - Auto-scroll the log window until we've reported a warning or error.
1366
1367    - Fix small memory leak.
1368
1369  + The presentation filename now defaults to using the basename of the
1370    currently loaded dataset, but we always prompt before we first save with
1371    such a name.
1372
1373  + Reduce memory usage when saving a screenshot.
1374
1375  + Allow "Toggle Fullscreen" to work even if no survey is loaded now that we
1376    persist the window size (and maximised or fullscreen state) between
1377    invocations.
1378
1379  + Fix reporting of OpenGL errors.
1380
1381  + Fix glitches when tilting while looking East.
1382
1383  + Added Portuguese and Slovak translations of wxWidgets messages.
1384
1385* Documentation:
1386
1387  + Rationalise manual formats - replace PostScript with PDF and drop RTF.
1388
1389  + Drop the "alternative manual formats" self-extracting zip file - people
1390    will generally just want one of the formats, so downloading several
1391    together isn't very useful.
1392
1393  + 3dformat.htm: Update for v6 format (thanks to Mike McCombe).
1394
1395  + GPL.htm: Replace HTML version of licence with a link to the version on
1396    the FSF website.
1397
1398  + ChngeLog.htm: Stop generating an HTML version of the ChangeLog - it's too
1399    low level to be of interest to non-developers, and developers can look at
1400    the source code.
1401
1402* (Unix version): configure: New preferred name for specifying wx-config script
1403  is WX_CONFIG.  WXCONFIG still supported for compatibility.
1404
1405* (Linux version): Source RPM package dropped as you can just build an RPM
1406  package from the source tarball.
1407
1408* (Microsoft Windows version): The installer is now created with a newer
1409  version of InnoSetup, which gives a 10% smaller download.
1410
1411Changes in 1.1.12 (2007-02-07):
1412
1413* aven:
1414
1415  + Remember the window size or maximised/fullscreen state between invocations.
1416
1417  + Add options dialog to "Export" similar to the one for "Print".
1418
1419  + The "number of pages required" in the print dialog now updates when you
1420    change what is to be shown (underground legs/surface legs/station
1421    names/crosses).
1422
1423Changes in 1.1.11 (2006-11-25):
1424
1425* Updated Czech, Spanish, and Slovak translations.
1426
1427* (MacOS X version): Assorted OS X specific tweaks and fixes.
1428
1429* aven:
1430
1431  + Pick a smaller and clearer font for labels.
1432
1433  + Fix character spacing.
1434
1435  + Tweak display of bearing and elevation angles to look nicer with
1436    proportional fonts.
1437
1438  + Use the title from the 3d (or plt, etc) file for the window title
1439    rather than the filename.
1440
1441  + Show distances to 2 decimal places rather than the nearest integer.
1442
1443  + Only consider underground legs when calculating the depth bands and
1444    depth colouring.
1445
1446  + Add "Colour by Error".
1447
1448  + Add entry for "white" in date and error keys.
1449
1450  + When setting the view to a single point, don't change the scale.
1451
1452  + If reloading the same file, don't change the view
1453
1454  + Fix filetypes selector in open dialog.
1455
1456  + Fix the charset we use for aven in certain cases.
1457
1458  + Call msg_init before using msg_lang or it won't ever be set!
1459
1460  + Pass wx the full language code to initialise the C library locale.
1461
1462  + Fix bug in generating prefix tree view which could lead to a bogus
1463    leading dot on some survey names (bug probably introduced in 1.1.10).
1464
1465  + "New Presentation" now ensures that the side panel is open
1466
1467  + Fix updating of cached opengl lists when the view is reset to the
1468    default.
1469
1470* Ignore LANG if it starts with a digit to avoid problems with bogus value for
1471  LANG which AutoCAD installation seems to set on MS Windows.
1472
1473* (Unix version): configure: Allow SGMLTOOLS and DOCBOOK_TO_MAN to be
1474  specified.  Either/both can be set to ":".
1475
1476* dump3d: Report unknown (to dump3d) codes returned by img.
1477
1478* img library: Flag all stations as underground in the old "ASCII" .3d format.
1479
1480Changes in 1.1.10 (2006-07-14):
1481
1482* aven: Clicking on a survey name in the survey tree now highlights it in
1483  the map view.  Double-clicking zooms the view to show the clicked survey
1484  highlighted.  Clicking the root clears the highlighting and double-clicking
1485  the root restores the default view.  To expand/collapse a branch, click
1486  on the "[+]" or "[-]" icon to the left of the survey name.
1487
1488* aven: The measuring line can now measure to anywhere in plan or elevation
1489  view (not just to a station!)  In plan view the horizontal distance and
1490  bearing are shown, while in elevation view the vertical distance is shown.
1491
1492* aven: Moving the mouse over a station in the survey view now highlights
1493  that station in the survey tree (though it may not be visible if the
1494  survey(s) it is in aren't expanded).
1495
1496* aven: Clicking on a station to centre the view now moves the mouse pointer
1497  to the new location of the station (except on Mac OS X where this isn't
1498  allowed).
1499
1500* aven: Fix which presentation toolbar buttons are shown as depressed.
1501
1502* Fix infinite loop reading 3d files with LRUD data (bug introduced in 1.1.9).
1503
1504* vim files are now installed with the correct paths (bug introduced in 1.1.9).
1505
1506Changes in 1.1.9 (2006-07-04):
1507
1508* (Unix version): Install desktop files for aven and svxedit contributed to the
1509  Ubuntu package by Phil Bull, and corresponding pixmaps.
1510
1511* Fix img to filter out cross-sections which don't match the subsurvey (if
1512  specified).  The API now returns img_XSECT_END to mark the end of a
1513  passage rather than setting a flag on the last img_XSECT of the passage.
1514
1515* Enhance integration with the vim editor - this can now colour .err files, run
1516  cavern from vim and parse error output, and run aven from vim.  Tweak the
1517  existing vim mode for .svx files to fix a few minor bugs and add support for
1518  the new "*data passage" style.
1519
1520* aven: fix drawing of the "blob" end of the measuring line on graphics cards
1521  which can't draw large enough blobs for us.
1522
1523* aven: sort out confusion about what encoding everything is in which means
1524  that the distance measured by the measuring line actually gets displayed
1525  and also fixes problems with empty menu items in non-English locales in
1526  some cases.
1527
1528* aven: redraw grey background after a menu is closed over the aven window
1529  with no survey loaded.
1530
1531* aven: fix bug which caused printing to crash (introduced in 1.1.8).
1532
1533* aven: avoid crash on some machines when opening "About" dialog before having
1534  loaded a survey.
1535
1536* aven: Translate "Plan" and "Elevation" buttons in print view dialog.
1537
1538* (Unix version): aven: Fix character set handling of cavern output.
1539
1540* cavern: Report an error if a cross-section is specified for a station which
1541  doesn't exist.
1542
1543* Updated French and Italian translations.
1544
1545* (Unix version): aven: Fix "Can't open message file `en_US' using path
1546  `${prefix}/share/survex'" error.
1547
1548* Fix bug in 3d file reading on 64 bit platforms when used in STANDALONE mode
1549  (doesn't affect Survex itself, but other applications which use img.c should
1550  update their copy).
1551
1552* (Unix version): Add checks that wxWidgets is a non-unicode version (wx 2.6
1553  and later are caught by configure, whereas older wx versions are caught when
1554  trying to compile).
1555
1556Changes in 1.1.8 (2006.06.30):
1557
1558* Drop support for building with wxWidgets versions prior to 2.4.0
1559  (which was released on 2003-01-07).
1560
1561* aven: Printing through aven now uses settings from the "[aven]" section
1562  of print.ini, and support for hierarchical sections (using "like=")
1563  has been disabled.
1564
1565* aven: Change mouse actions to be compatible with those in Survex 1.0.
1566  The mousewheel now zooms in/out (it doesn't do anything in 1.0) and
1567  left drag is now smart about not rotating and zooming at the same
1568  time.
1569
1570* aven: Highlighting stations now happens as you type, and pressing
1571  "Enter" or clicking the "Find" button now pans and zooms to show the
1572  highlighted stations.
1573
1574* aven: Left-clicking away from a station now cancels measuring line.
1575
1576* aven: Setting view to North, South, East, or West is now animated like
1577  the tilt from plan to elevation.
1578
1579* aven: Fix presentation saving to also write "." for decimal points and
1580  presentation loading to accept either "." or ",".
1581
1582* (Unix version): aven: Add text for all toolbar items so that aven
1583  will work with the Gnome desktop preference for displaying toolbars as
1584  icons with text or just text (wxWidgets needs fixing first though).
1585
1586* (Unix version): aven: Remove the ability to detach the menu bar (yell
1587  if you actually used it and I'll restore it!)
1588
1589* aven: Add "all survey files" option to the "open file" dialog.
1590
1591* (MS Windows version): aven: Fix cursor keys to pan survey.
1592
1593* (MS Windows version): Built with wxWidgets 2.6.3 instead of 2.6.2.
1594
1595* (MS Windows version): Fix installer to work on Windows 2000 or XP if
1596  run by an unprivileged user.
1597
1598* (MS Windows version): Upgrade to the latest version of InnoSetup (the
1599  installer builder we use) and include new installer translations for
1600  UK English, Spanish, Brazilian Portuguese, Italian, Romanian, and Slovak.
1601
1602* (MS Windows version): aven: Include Catalan and Brazilian Portuguese
1603  translations of messages for wxWidgets (the GUI library we use).
1604
1605* aven: Disable "Highlight exported points" if there aren't any.
1606
1607* Updates to French translation from Michel Bovey.  Also updates to German,
1608  Italian, Catalan, Spanish, and Romanian translations.
1609
1610* (Unix version): test suite: fix smoke test to pass even without X running
1611  (it was meant to but the code had a bug).
1612
1613* aven: Check if OpenGL is available and exit cleanly with a helpful error
1614  if it isn't.
1615
1616* (Unix version): aven: Fix --help and --version to work without a working
1617  X display (provided it's built with wxWidgets 2.5.1 or newer).
1618
1619* aven: Automatically select the presentation tab of the notebook when the user
1620  selects "New Presentation" or "Open Presentation".
1621
1622* aven: Fix "Delete" in the presentation list to not get passed on (and so not
1623  reset to default view as well).
1624
1625* aven: Fix Ctrl+Insert in the presentation list not to segfault if the list is
1626  empty.
1627
1628* aven: Fix Cursor Up and Down in the presentation list to move the highlight
1629  up and down instead of being passed on and moving the survey.
1630
1631* aven: Improve SVG output compatibility.  Tested with Mozilla Firefox 1.5,
1632  Adobe's SVG browser plugin, Gimp 2.2.8, Gqview 2.0.0, Opera 8.5,
1633  Safari 2.0.3, and InkScape 0.42.
1634
1635* aven: Put a 5mm border around exported SVG files to allow for station markers
1636  and non-zero width lines.
1637
1638* aven: Fix crash when exporting as SVG or Sketch if labels or surface data
1639  was turned on.
1640
1641* aven: Actually close the file we're exporting which fixes problems with it
1642  not always being fully written.
1643
1644Changes in 1.1.7 (2005.10.18):
1645
1646* cavern: Add validity checking for dates in *date commands (with feature
1647  test in testsuite).  A date entered as just "year" or "year.month" now
1648  becomes a date range for the relevant period (previously it became a single
1649  date near the middle of that period).
1650
1651* extend: Fixed 2 uninitialised flags (should fix erratic behaviour on
1652  with MS Windows).
1653
1654* extend: Default output name for a file called input.3d is now input_extend.3d
1655  rather than just extend.3d (which was annoying if you wanted to extend
1656  several surveys in the same directory).
1657
1658* aven: OpenGL 2.0 always includes support for point sprites so rework
1659  our check for them to include that knowledge.
1660
1661* aven: Regenerate depth bar if user switches to/from metric units.
1662
1663* aven: Don't clear the "there" mark just because the mouse pointer has
1664  moved off a station.
1665
1666* aven: When processing a .svx file, put the resultant .3d file in the
1667  same directory (since that's where we then try to load it from).
1668
1669* aven: Fix labelling of date colouring on 32 bit platforms.
1670
1671* aven: If "colour by date" is on and we load a survey with no date info
1672  (or all surveyed on the same date) then set "colour by none".
1673
1674* aven: Make the error dialog modal and remove a signal handler once it
1675  has fired to prevent endless (or seemingly endless) cascades of error
1676  dialogs.
1677
1678* aven: Enforce a minimum object volume diameter of 1m to avoid problems
1679  if a survey file with only one station in is loaded.
1680
1681* aven: Fix problems with indicators disappearing when we're drawing
1682  blobs and/or crosses the slow (but always supported) way.  (Problem
1683  introduced in 1.1.6).
1684
1685* (Unix version): aven: Really stop setting extra toolbar margin when using
1686  GTK2.0.  The attempt to fix this in 1.1.3 failed because __WXGTK12__ is
1687  set for GTK+ 1.2 or *any later release* so is true for GTK+ 2.0 too!
1688
1689* (Unix version): aven: Add details of which of wxGTK, wxMotif, and wxX11
1690  we've been compiled with, and which GTK+/Motif version where appropriate.
1691
1692* (Unix version): Fixed build on Fedora Core 3.
1693
1694* documentation: Updates to 3d file format specification from Mike McCombe.
1695
1696Changes in 1.1.6 (2005.10.10):
1697
1698* (MS Windows version): Distribution is about a third smaller than 1.1.5
1699  (mostly because mingwm10.dll is no longer required).
1700
1701* aven: If aven is asked to load a .svx, .dat, or .mak file, run cavern on
1702  it, showing cavern's output in a window (with errors and warnings clickable
1703  to load the offending file into an editor), and then loading the resulting
1704  3d file.
1705
1706* aven: Added "Colour by Date" option.
1707
1708* aven: Disable "Colour by Depth" option if there's no elevation variation.
1709
1710* aven: Don't crash if trying to load a survey with no elevation variation.
1711  Instead turn off depth colouring.
1712
1713* aven: Export as HPGL added.
1714
1715* aven: Improved update of mouse coordinates and measuring line (thanks to
1716  Martin Green).
1717
1718* aven: Show the coordinates of either the mouse pointer or the nearest
1719  survey station to it (if there is one near enough).  Showing both was
1720  confusing and meant the status bar overflowed on smaller displays.
1721
1722* aven: When printing an extended elevation, don't show bearing and elevation.
1723
1724* aven: Don't lock "flat" surveys which aren't extended elevations - a
1725  flat survey with LRUD data isn't flat any more!
1726
1727* aven: When we have to draw blobs and crosses the slow way (because the
1728  graphics hardware doesn't support the fast way), draw them so that they
1729  should appear at the correct depth into the 3D scene instead of on top
1730  of everything else.
1731
1732* aven: Make "play presentation backwards" icon green to match the other
1733  presentation icons.
1734
1735* (MS Windows version): aven: Mouse clicks on the survey view now set the
1736  keyboard focus there.
1737
1738* (MS Windows version): aven: Fix first redraw of a newly loaded survey.
1739
1740* (MS Windows version): aven: Fix redrawing of measuring line.
1741
1742* cavern: Store dates for img_XSECT.
1743
1744* cavern: Fixed small one-off memory leak if you specify -o more than once.
1745
1746* (Unix version): Check environmental variable LC_MESSAGES when deciding what
1747  language to use for messages.
1748
1749* (MS Windows version): "Print" on a 3d file now prints through aven rather
1750  than the separate printer driver (Unix has done this for some time).
1751
1752* Removed old printer drivers.
1753
1754* img library: When creating a 3d file, ignore img_XSECT if we've been asked
1755  to write a file format version which doesn't support it.
1756
1757Changes in 1.1.5 (2005.09.20):
1758
1759* (MS Windows version): aven: Fixed crash on start-up (introduced in 1.1.4).
1760
1761* aven: Make blobs round like they are in Survex 1.0.
1762
1763* aven: If the graphics drivers don't support drawing blobs using OpenGL
1764  point markers, fall back to drawing filled circles.
1765
1766* aven: If the graphics drivers support it, draw crosses as texture mapped
1767  OpenGL point markers which is much faster.
1768
1769* aven: Cross size increased to match Survex 1.0.
1770
1771* aven: We must update which blobs are displayed if display of surface or
1772  underground legs is toggled.
1773
1774* cavern: Fix handling of a *solve followed by survey data, none of which is
1775  attached to the previous data.
1776
1777* cavern: Fixed "No survey data" error when a *solve is followed by another
1778  *solve (or the implicit solve at the end of processing) with no data between
1779  them.
1780
1781Changes in 1.1.4 (2005.09.19):
1782
1783* aven: Added Aven's icon to the "About" dialog.
1784
1785* aven: Use localised character for the decimal point (e.g. "," in most
1786  continental European countries).
1787
1788* aven: Previously the survey tree would get focus and then take keypresses
1789  (e.g. "P", "L", "Delete").  Now we pass most keypresses across so they
1790  operate on the cave, and transfer the input focus across when we do.
1791
1792* aven: Make pressing "Return" in the tree control expand/collapse a subtree.
1793
1794* aven: Speed up intialisation by delaying creation of OpenGL lists until
1795  they're needed.
1796
1797* aven: Added Mark Shinwell's bounding box with shadow of the survey.
1798
1799* aven: Disable the "Tubes" button/menu item when there's no LRUD data.
1800
1801* aven: Reworded "Restore Default Settings" as "Restore Default View".
1802
1803* (Unix version): aven: Set sensible default margins for printing and preserve
1804  any margin values the user specifies between runs (previously margins
1805  defaulted to 0 each time aven was run).
1806
1807* Documentation: Document *DATA PASSAGE in the manual.
1808
1809Changes in 1.1.3 (2005.09.07):
1810
1811* (Microsoft Windows version): Fixed build problems.
1812
1813* cavern: Allow OMIT character (-) for left/right/up/down.
1814
1815* aven: Remove an unnecessary menu separator.
1816
1817* aven: Fix "Find" and "Hide" toolbar buttons to work with GTK2.0.
1818
1819* aven: Make the tooltip for "Hide" show the number of found stations.
1820
1821* aven: If * or ? is used in a glob-style pattern, force a non-substring match.
1822
1823* aven: Enable "New Presentation" when there's a 3d file loaded, rather than
1824  when there's a presentation loaded.
1825
1826* aven: Make entrances green in side panel tree list to match green blobs used
1827  in cave view.
1828
1829* aven: Don't show surface labels if we're not showing surface data, etc.
1830
1831* aven: Merge "Start Rotation" and "Stop Rotation" into "Toggle Rotation" and
1832  make "Space" the key for this.  Keep Return working "Stop Rotation" so
1833  existing users are happy, but don't advertise it.
1834
1835* aven: Normalise filename by adding any extension used, and use the normalised
1836  filename for file history and window title.
1837
1838* (Unix version): aven: Stop setting extra toolbar margin when using GTK2.0
1839  as the toolbar buttons already have a sensible margin - the extra margin is
1840  only needed with GTK1.2.
1841
1842* aven: Fix handling of plumb legs in tube model.
1843
1844* aven: Fixed swapped L and R in tube model.
1845
1846* extend: Preserve UD cross-section information in extended elevation.
1847
1848* extend: Add new messages for John Pybus' enhancements.
1849
1850Changes in 1.1.2 (never formally released):
1851
1852* Added support for LRUD data in .svx files, in .3d files, and aven can
1853  now load and display it on screen and on printouts.  The ability to "fake"
1854  LRUD data in aven is gone for now but will reappear in some form later.
1855
1856* cavern: Removed support for writing Chasm's 3dx format.  We're going to
1857  fold any desirable missing chasm functionality into aven.
1858
1859* aven: Rearranged mouse actions as discussed on the mailing list.  Added
1860  cursors for each different mouse action to help the user learn what each
1861  does.  Also added cursors for the "compass" and "clino" as well as the
1862  scalebar to suggest to the user that they can be dragged to change the view.
1863
1864* (Unix version): aven: Don't segfault if LANG isn't a known language.
1865
1866* tests/smoketest.tst: If X windows is running, check that we can run aven
1867  with --help and --version.
1868
1869* tests/cavern.tst: Fixed cavern.tst to warn if it is skipping a test because
1870  no results are listed for it.  This revealed that there was a "newline" test
1871  which should have been called "badnewline", and was a broken testcase too!
1872  Fixed all these problems.
1873
1874* cavern: Applied Simeon Warner's patch for handling backcompass, backclino,
1875  and omitted forward compass/clino readings in Compass DAT files.  Added
1876  a feature test for this to the testsuite.
1877
1878* It no longer makes sense to have an option not to build aven or to build aven
1879  without OpenGL so remove old machinery for this from configure and the
1880  sources.
1881
1882* (Unix version): configure: Check if "-lXxf86vm" is needed.
1883
1884* configure: Better output for strcasecmp test.
1885
1886* aven: Fix crosses to work much better.  Not a total fix - their position
1887  in the Z buffer isn't correct and they're rather slow to plot.
1888
1889* aven: Don't regenerate the hittest grid every time the mouse moves while
1890  animating, which solves the mysterious pausing effect (thanks go to Martin
1891  Green for spotting this!)  Also clear all the status bar coordinates when
1892  animating.
1893
1894* aven: Sort out clashing menu shortcuts in some languages.
1895
1896* aven: Fixed compilation problem on x86_64
1897
1898* SPUD: Pruned out stuff which has been done or which is not actually relevant
1899  to this branch.
1900
1901* Merge various changes from 1.0 branch:
1902
1903  + aven: Port over "printing from aven" functionality.
1904
1905  + aven: Port over "export as" functionality,
1906
1907  + Add David Loeffler's vim mode for .svx files.
1908
1909* aven: Fix check for whether a label is behind us in perspective view.
1910
1911* aven: Don't use an opengl list for drawing the indicators - we typically make
1912  a new list each time we plot them anyway.
1913
1914* Remove lingering traces of support for RISC OS and pre-386 MSDOS
1915
1916* aven: Set icon on non-Windows platforms too.  This means that with
1917  WindowMaker on Unix you get an icon on the AppIcon by default.
1918
1919* configure: Update wxWindows checks to handle newer wx versions.
1920
1921* Make all maintainer perl scripts "use bytes;" to avoid utf-8 double encoding
1922  problems.  They also all require Perl 5.8 now (hopefully this isn't an issue
1923  for anyone building from CVS).
1924
1925* acinclude.m4: Quote macro name for fix autotools warning.
1926
1927* Documentation: "tilt up" is "'" not ",".
1928
1929* aven: Add support for mousewheels (to tilt the cave).
1930
1931* aven: Fixed twisted transitions to and from pitches in certain cases.
1932
1933* aven: Pick a sensible initial window size when the user's desktop is spread
1934  over more than one monitor (works best with wx2.5 or newer, but try to do
1935  better with wx2.4 or earlier as well).
1936
1937* aven: Initialise GfxCore slightly later to avoid visual glitch from notebook
1938  contents being visible before any survey is loaded.
1939
1940* aven: Allow a coloured texture to be used
1941
1942* aven: Don't initialise until we have data (to the user, this means the window
1943  is default colour (grey for most systems) not black until a survey is
1944  loaded).
1945
1946* aven: Fixed weird "shadowed" icons.
1947
1948Changes in 1.1.1 (2004-10-06):
1949
1950* (Microsoft Windows version): aven: Hopefully fix loading a survey file at
1951  startup.
1952
1953* aven: Delay loading the bitmap for the "About" dialog until it is first
1954  needed.  We want start up to be as quick as possible.
1955
1956Changes between 1.0.32 and 1.1.0 (never formally released):
1957
1958* NOTE: Survex 1.1.X releases are development snapshots made available for
1959  the purposes of allowing wider testing and getting more user feedback.  Once
1960  the code has stabilised the version number will be raised to 1.2.0.
1961
1962* aven: Now uses OpenGL for 3d rendering - you may need to install drivers if
1963  you're using Windows 95 - these can be obtained from:
1964  http://download.microsoft.com/download/win95upg/info/1/W95/EN-US/Opengl95.exe
1965
1966* aven: Solid passages - passage dimensions are currently inferred from
1967  the leg length (pretty effective as you can measure longer legs in
1968  larger passages).  Use of real LRUD data coming soon...
1969
1970* aven: Depth colouring is now continuously varying.
1971
1972* aven: Colour by depth can now be turned off (and there's the start of a
1973  framework for properly implementing colour by date, error, etc).
1974
1975* aven: Find stations moved onto the toolbar and now uses a simple wildcarded
1976  match (? matches any character, * matches any number of characters).
1977
1978* aven: We now use the status bar for coordinates, distances, etc to make
1979  better use of screen space.
1980
1981* aven: Full screen mode (F11).
1982
1983* aven: Perspective view.
1984
1985* aven: Context sensitive cursor shape - needs more work.
1986
1987* aven: Mouse actions changed (hopefully they're now more natural, but
1988  you may find the change disorientating - feedback wanted on this).
1989
1990* aven: Added "presentations" which allow you to set up fly-through paths
1991  and load/save/run them.
1992
1993* aven: A presentation can be exported as a movie file.
1994
1995* aven: Added Save screenshot facility.
1996
1997* aven: Depth fogging option.
1998
1999* aven: Added Smooth Lines option.
2000
2001* aven: Added Textured Walls option.
2002
2003* aven: If a survey has surface legs but no underground legs, default to
2004  showing the surface legs.
2005
2006* cavern: Dates given to *date are now stored in the 3d file.
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