news

智能画图软件

* ongoing work: modularisation
* NEW, improved version of hidden3d code
* --enable-history configure option renamed to --enable-history-file
  to avoid mixup with new 'history' command
* fix to find gethostbyname(3) on LynxOS
* added new implementation of hidden3d code
* FIXED png driver now shares web-friendly palette with gif driver;
  also new transparency option and user defined colour specs
* FIXED data format for table driver
* FIXED monochrome plots with Windows driver
* FIXED bug in contour handling
* FIXED clipping of contour input points outside fixed ranges
* FIXED bug in coordinates saving
* history command now works with GNU readline
* implemented vector style clipping for 2D plots
* UPDATED gnugraph driver now requires plotutils 2.2+
* UPDATED platform makefileS
* UPDATED hpgl driver
* UPDATED FAQ

[3.8a]
* doc2texi.el, gnuplot.texi added; remove doc2info.c,
  doc2html.c, doc2texi.pl, and fixinfo.el; the info
  and html files are now created with makeinfo, the
  latter requires makeinfo (GNU texinfo) 4.0
* FIXED the 'set ?range' commands now use a decimal point
  to prevent integer overflow on 16 bit platforms
* FIXED 'save'd files are now consistent with the new syntax

[3.7.0.10 - internal only]
* removed DJGPP version 1 support
* improved version of stdin wrapper for Win32
* ongoing work: rewrite of input parser
* gnuplot now passes the correct return value back to
  the environment
* FIXED buffering bug in gnuplot_x11
* FIXED crash in 16bit Windows
* FAQ updated
* FIXED some inconsistencies in error messages and the manual
* INCOMPATIBLE CHANGE: the 'set data style', 'set function style'
  and 'set linestyle' commands have been removed. They have been
  replaced with 'set style data|function|line'. The 'set nolinestyle'
  command, however, is still available for the time being.
* NEW 'system', 'unset' command
* INCOMPATIBLE CHANGE: all 'set noVariable' commands have been
  replaced with the new 'unset Variable' command.
* NEW 'save term' option
* FIXED building on NeXT
* NEW 'history' command, by Petr Mikulik. Currently works only
  without GNU readline.
* FIXED gnuplot now checks for minimum and maximum of required columns
  in data plots
* UPDATED VMS build procedures
* gnuplot-mode updated to 0.5j
* FIXED reversed 'set {x|y}zeroaxis' behaviour
* FIXED plotting of test page before line properties are specified completely
* UPDATED metapost driver
* better modularisation

[3.7.0.9]
* moved some declarations to new header files
* more static arrays removed or replaced with malloc'd storage
* duplicate functions removed
* driver for OpenStep/MacOS X server now complete
* FIXED bug in plot positioning with multiplot
* FIXED bug in J. Pepin's layers patch
* FIXED bug in M. Gardner's help formatting patch
* FIXED definition of ANSI_C on autoconf platforms
* FIXED argument passing to gnuplot_x11 on VMS
* NEW `save' command now accepts "-" as filename, "saving" to stdout
* INCOMPATIBLE CHANGE: "%y" date specifiers are now interpreted according
  the recommendations of The Open Group. When a century is not otherwise
  specified, values in the range 69-99 refer to the twentieth century and
  values in the range 00-68 refer to the twenty-first century.

[3.7.0.8]
* embedding document font is now default font in latex output
* static limits for user defined function and variable names removed
* 'make check' now passes GNUTERM from the command line to gnuplot.
* FIXED off-by-one error in gif driver y-scaling
* gnuplot-mode updated to 0.5g
* FIXED errors in 'set view <z_scale>'. Related demos have
  been updated too.
* src directory now uses automake Makefile
* #error and #warning directives have been removed.
* more efficient way of building docs/allterm.h
* FIXED auxiliary ps filename generation in pslatex driver

[3.7.0.7]
* FIXED timestamp positioning problem in X11 terminal
* FIXED exit/quit in batch files now works as documented
* FIXED 'replot' with no args does not discard rest of
  ';' separated command line anymore
* no more fixed limit to the number of contour levels,
  now allocated dynamically
* improvements in the OS/2 mouse driver
* backtic command substitution now works inside quoted strings
* NEW driver for metapost output
* NEW driver for openstep/MacOS X Server
* NEW perltk driver integrated into tkcanvas driver
* NEW loadpath feature, uses GNUPLOT_LIB env var
  see 'help environment' and 'help loadpath'
* updated to version 0.5f of gnuplot-mode
* CHANGE in command line substitution:
  Newlines in the output produced by the spawned command are
  stripped. They are NOT replaced with blanks anymore. This is
  a possible source of incompatibility.
* CHANGE gnuplot's error and warning functions now accept a
  variable number of arguments. On platforms without vfprintf
  or doprnt, the number of format-dependent arguments is
  limited to 8.

[3.7.0.6]
* Petr Mikulik's OS/2 mouse patch integrated
* 'make check' now runs demos non-interactively
* Linux SVGA driver: don't drop root priviledge until VGA is initialised
* LaTeX tutorial updated for LaTeX2e
* gnuplot-mode updated to 0.5e
* old patches for postscript driver integrated:
  different colours for key text and sample (blacktext),
  linewidth, dashlength options
* extensions to tkcanvas driver
* fixes in fig and metafont drivers
* bugfixes related to secondary axes (show/nologscale)
* new '--without-lisp-files' and '--without-tutorial' configure options
* new targets to build documentation with groff
* quoting bug fixed 
* new files VERSION, PATCHLEVEL, README.exp

[3.7.0.5]
* another off-by-one error fixed in pstricks driver
* updated to latest version of gnuplot-mode
* added tilde-expansion of filenames
* win/pgnuplot.c added, stdin redirection for gnuplot
  under Windows
* extended interactive Tk/Tcl capabilities
* only read from stdin if the complete filename is "-"
* added fitting of time format data
* workaround for the bug that made 'set key below' sometimes
  lack some of the key texts
* build lisp files, LaTeX tutorial only if emacs, latex, resp.
  are found
* moved CVS repository to new dir structure
* gnuplot can now be compiled with GNU libplot 2.2
* docs/doc2hlp.com renamed to docs/doc2hlp.vms pending better solution

[3.7.0.4]
* switched to new directory structure!
* fix to plot all lines in multiline labels within plot borders
* hardwire terminal sources into docs/Makefile.in
* better docs for 'set missing'
* hopefully complete fix for off-by-one error in pslatex driver
* fix core dump in alloc.c (only relevant for memory debugging)

[3.7.0.3] (released as patch only)
* brush up the various platform makefiles
* typo in plot.c free() statement fixed
* some fixes in the Be driver

[3.7.0.2]
* add pgp keys
* NEW driver for BeOS
* X11 driver now uses ececvp() instead of execl()
  to eliminate intermediate shell process
* NEW gnuplot-mode.el for X/Emacs
* update to OS/2 REXX interface
* more drivers enabled by default under OS/2
* Bezier interpolation rewritten to prevent overflow
* Windows linestyle fixed
* introduce layers (front, back) for labels and arrows
* tiny and giant fonts added to gif driver
* tilde expansion; (does not work for "cd" and "set output")
* GNU readline related:
    new syntax for --with-readline option in configure
    no more duplicate history entries
    use gnuplot history file
* SECURITY: --with-linux-vga=no is now default
* SECURITY: better control when Linux executable with
  SVGAlib access actually runs as root
* SECURITY: potential risk fixed in iris4d terminal
* EXPERIMENTAL: new --enable-thin-splines option in configure
  to enable thin plate splines in plot3d.c
* configuration: --enable-apollo, --enable-gpr and --enable-unixpc
  options removed, related code is now in syscfg.h.
  --enable-cgi and --enable-sun options removed, now automatically
  detected at configure time. --enable-system-time option removed.

[3.7.0.1]
* bug fix for negative aspect ratio
* bug fixes in the cgm, eepic, png, and pslatex driver
* bug fix in the data fitting code
* bug fixes for HP-UX, NEXT, and Windows
* bug fixes for save and set lmargin commands
* better makefile for Amiga SAS/c



What's new in 3.7 ?
===================

from 315 to 348
  makefile.mgw contributed by HBB for compilation under MinGW32
  "-" means interactive on command line and load file
  gnuplot no longer faults on Alpha in prob.dem
  margin and label-positioning works with set ?label offset
  set ?tics auto resets the tic-marks
  line widths get copied in M$ Windows terminal when using the
     copy->clipboard option
  PSLATEX-terminal: resolves problems with german.sty when " is
     active character
  the terminal list gets paged through your preferred pager
  
  and many more.

See docs/old/ChangeLog.old and ChangeLog for a list of changes

  As always, there are outstanding contributed patches
 that I haven't yet installed (sorry), and half-promises for features
 that I've not had a chance to fulfill.

in this release (somwhere between 315 and 347)
  try to improve (and not break too badly) portability
  multiple X11 windows have number in window title, and active window
   has crosshair cursor

in 315
  suppress ! after a ! command in interactive mode
  address polar mode

314
  misc bug fixes

310
  HBB's hidden3d fix
  latest gnuplot.doc and term/*.trm help sections
  configure --with-gnu-readline[=path]

in 309
  sorry Roger ; os2 keeps on improving, but I forget to announce it
   {and often incorporate it !}
  relative errors displayed in fit

in 306
  histeps style
  LINE WIDTH PATCH !  {but many structures passed by value ?}
  tolerate missing closing backquote at end of line
  no limit on output filename
  set key samplelen / spacing
  plot ... axis   alias for  plot ... axes
  Thomas Koenig's postscript test for reencoding on the fly [at last]
  multiplot clear for djsvga
  size option on gif driver