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---------------------
(From the file RELEASE_NOTE)
GNUPLOT Version 5.0.1 Release Notes
===================================
Gnuplot version 5.0 was initially released in January 2015.
Please see the NEWS and ChangeLog files for a complete list of bug fixes
and minor changes accummulated since then.
These release notes are for version 5.0 patchlevel 1 (5.0.1).
Release Notes date: 04-Jun-2015
This patchlevel 5.0.1 incremental release includes
==================================================
* NEW "set mono" (full command "set monochrome {linetype lt <line-properties>})
* NEW "set fit nolog" suppresses output to log file
* NEW sixel terminal supports RGB and palette colors, but only 16 at a time :-(
* NEW command "printerr" acts exactly like "print" but always outputs via stderr
* CHANGE autoconfigure of Qt5 support now looks for --variable=host_bins
* CHANGE reevaluate fill color for each polygon in data for "with filledcurves"
* CHANGE gstrptime(): always check validity of %y %Y %d %B %b input fields
* CHANGE track text properties for key title separately from key entries
* CHANGE "smooth kdensity" now handles logscale y and explicit x range
* CHANGE order of margins in the "set margin" command to left, right, bottom, top
* CHANGE guarantee color of key sample for "lc variable" plots matches 1st point
* CHANGE "set term fig color" can use predefined linetype colors and named colors
* CHANGE skip all preprocessing for input lines beginning with shell escape char
* CHANGE build system to suppress dvi as an automake-generated target
* CHANGE in hidden3d mode, the 'nosurface' suppresses both surface grid directions
* FIX replace palette color value NaN with background color
* FIX improved handling of boxplot data with multiple factors (categories)
* FIX save_textcolor was not handling "tc variable"
* FIX apply numeric locale when reading ascii matrix data
* FIX handling of ascii matrix data
* FIX reinitialize brush used to draw dotted lines in gd terminal
* FIX failure to clear bold/italic text attributes in cairo terminals
* FIX tabular output of time data when the axis format has not been set
* FIX breakage in plot style filledcurves {above|below} y1=<yval>
* FIX dashtypes after "set term {e}pslatex mono"
* FIX report and enforce maximum number of parallel axes without faulting
* FIX smooth mcsplines for a curve containing multiple y values at a single x
* FIX several bugs evident for log-scaled color axis
* FIX regression in color support for pbm/sixel/hpgl terminals (no RGB color)
* FIX accummulated round-off error in dotted lines drawn by libgd terminals
* FIX incorrect colorbox axis labels in polar plots
* FIX AquaTerm framework name is case-sensitive
* FIX strip enhanced text markup from plot titles embedded in svg output
* FIX error in retrieving matrix column headers as strings
* FIX error in calculating absolute deviation (stats command)
* FIX allocation error from "set fit covariancevariables"
* FIX tkcanvas terminal handling of blank (default) font family name
* FIX off-by-one-error in color of contours when hidden3d is active
* FIX adjust WIN32 encoding used by text output from "pause" command
* FIX qt terminal 3D rotation mode tendency to get stuck "on"
* FIX dash pattern rendering in contour lines
NOTABLE NEW FEATURES IN VERSION 5.0.1
=====================================
Incremental releases 5.0.1, 5.0.2, etc are primarily intended to provide bug
fixes, but 5.0.1 also contains several adjustments resulting from feedback on
changes and new features in version 5. The most notable is addition of a new
command "set monochrome" that allows emulation of the terminal-specific "mono"
option that was lost in version 5. The new commands "set mono" and "set color"
switch between two parallel sets of default linetypes. Six monochrome
linetypes are pre-defined; these can be altered or new ones added using the
command "set monochrome linetype N <line-properties>". Although these do not
exactly duplicate those of any particular pre-version 5 terminal, approximate
backwards compatibility is provided by automatically switching to the
monochrome linetypes if the "mono" keyword is present in "set term".
I.e., "set term pdf mono" is equivalent to "set term pdf; set mono".
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- Two targets added, post-build: and post-install:,
to build gnuplot.pdf (which was in 4.6.6 PLIST),
and two dependency for above process. Thanks gdt@ for comment.
(upstream)
- Update 4.6.6 to 5.0.0
---------------------
GNUPLOT Version 5.0 Release Notes
=================================
Gnuplot version 5 contains significant new capabilities and enhancements.
The most recent previous release was 4.6 patchlevel 6 (4.6.6).
Please see the NEWS file for bugfixes and minor changes to version 5.0
applied after feedback on release candidates -rc1, -rc2, and -rc3.
Release Notes date: 31 December 2014
NOTABLE NEW FEATURES
====================
* New plot styles "with parallelaxes" and labeled contours.
* New coordinate system (Degrees, Minutes, Seconds) "set xdata geographic".
* The "fit" command can now handle functions with up to 12 variables, and
can take into account errors on x as well as errors on dependent variables.
Final covariance terms are stored in user-accessible variables.
Fitting options are now controlled by the command "set fit ..." rather than
by environmental variables.
* The interpretation of columns in a "fit" command depends on new keywords
"error", "xyerror", "zerror". In most cases the program can also recognize
version 4 syntax (no error keyword but last column contains zerror).
* The dot/dash pattern of a line can now be controlled independently
from other line properties using the keyword "dashtype".
* The default color of individual line types can be changed using
"set linetype" (introduced in 4.6). In version 5 a default overall color
sequence can be selected using "set colors {default|classic|podo}".
The "classic" sequence is red/green/blue/magenta/cyan/yellow as used by
older gnuplot versions. The default and podo colors are chosen to be
more easily distinguished in print and in particular by people with color
vision problems.
* Text markup now supports bold and italic font settings in addition to
the subscript, superscript, font size and other options previously
provided by the "enhanced text" mode. This mode is now the default.
* Command scripts may place in-line data in a named data block for
repeated plotting.
* Bit shift operators << and >>
* RGB colors can include an alpha-channel for transparency.
# ARGBcolor = (Alpha << 24) + (Red << 16) + (Green << 8) + Blue
* Secondary axes (x2, y2) can be locked to the primary axis via a mapping
function. In the simplest case this guarantees that the primary and
secondary axis ranges are identical. In the general case it allows you
to define a non-linear axis, something that previously was only possible
for the special case of log scaling.
* The "import" command attaches a user-defined function name to a
function provided by an extenal shared object (i.e. a plugin library).
* Previous commands in the history list of an interactive session can be
reexecuted by number. For example "history !5" will reexecute the
command numbered 5 in the list reported by "history".
* Hypertext labels in the interactive terminals including web display
using the HTML canvas or svg terminals.
Many other additions are described in the "New Features" section of the
documentation.
CHANGES
=======
Gnuplot development assigns very high priority to backward compatibility
with earlier versions. For example any command script that worked in
version 4.0 is expected to continue to work for all version 4 releases
including the most recent one (4.6.6). However changes introduced in
version 5 can affect the operation of some version 4 scripts.
A brief summary of potentially incompatible changes is given here.
* Earlier versions of gnuplot used the keyword "linetype" to mean both
the color and the solid/dot/dash pattern of a line. Version 5 has
separate keywords "linecolor" and "dashtype". You can use these keywords
directly in a plot command or assign any desired color and a dash pattern
to a linetype. The program now provides a default set of 8 linetypes, all solid.
You can change these or add new linetypes as you please. You do not need
to change the current terminal or terminal mode in order to use dashed lines.
* The handling of input data containing NaN, Inf, an inconsistent number of
data columns, or other unexpected content has changed. See documentation
under "missing" for examples and figures.
* Time coordinates are stored internally as the number of seconds relative
to the standard unix epoch 1-Jan-1970. Earlier versions of gnuplot used
a different epoch internally (1-Jan-2000). This change resolves
inconsistencies introduced when time in seconds was generated externally.
The epoch convention used by a particular gnuplot installation can be
determined using the command `print strftime("%F",0)`.
Time is now stored to at least millisecond precision.
* The function `timecolumn(N,"timeformat")` now has 2 parameters.
Because the second parameter is not associated with any particular data axis,
this allows using the `timecolumn` function to read time data for reasons
other than specifying the x or y coordinate. Use of time formats
to generate axis tick labels is now controlled by "set {xy}tics time" rather
than by "set {xy}data time". Thus prior calls to `set xdata time` or
`set timefmt x` are unnecessary for either input or output.
These older commands still work, but are deprecated.
* The "reverse" keyword (e.g. "set xrange [*:*] reverse") now affects only
autoscaling. It has no effect on explicit ranges.
"set xrange [0:1] reverse" is _not_ the same as "set xrange [1:0]".
* Options to the "fit" command are now given by "set fit ..." rather than
by setting environmental variables. Fit can handle up to MAX_NUM_VAR
independent variables (currently 12). Variables other than the first
two (x, y) have been dissociated from axis names. This means, for example,
"set urange [U1:U2]" has no effect on fitting because "u" is not a fit
variable. Use the command "set dummy ..." to assign names to fit variables
3 ... 12.
* The `call` command is implemented by providing a set of variables ARGC,
ARG0, ..., ARG9. ARG0 holds the name of the script file being executed.
ARG1 to ARG9 are string variables and thus may either be referenced directly
or expanded as macros, e.g. @ARG1. The older convention for referencing
call parameters as tokens $0 ... $9 is deprecated.
* "unset xrange" (and other axis ranges) restores the default range.
* "unset terminal" restores the original terminal of the current session.
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Bump PKGREVISION.
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in PR 48032. More complete fix already scheduled for next release
upstream, see http://sourceforge.net/p/gnuplot/bugs/1226/
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Update a comment in patch-ag.
Remove the point patch for the "crash on first command when using editline",
since this problem is now fixed upstream.
Upstream changes relative to version 4.6.0:
* NEW syntax hints inside Emacs gnuplot-mode
* NEW support tabulation (set table) of pixel values from image plot styles
* NEW support tabulation of variable color column
* CHANGE emf output modified for better compatibility with MS Office programs
* CHANGE canvas terminal loads appropriate font file for UTF-8 encoding
* CHANGE skip execution of empty iteration loops in set and do commands
* CHANGE build scripts modified to accommodate automake 1.12
* CHANGE new policy: objects given in screen coords are not clipped to graph
* CHANGE Draw the z-axis label at a fixed distance to the left of the z-axis
* CHANGE "unset object N" succeeds even if there is currently no object N
* FIX margin space required for rotated axis tic labels
* FIX check for NaN values in binary input
* FIX backslash handling in enhanced text strings
* FIX cairo terminals sometimes lost the line segment before a polygon
* FIX interactive toggle of multiplots in svg
* FIX failure to balance {} if an input file did not end with a newline
* FIX strlen() and substring operators correctly handle UTF-8
* FIX initialization of history when configured --with-readline=bsd
* FIX set term cairolatex pdf mono
* FIX palette-related corruption in some cairolatex output
* FIX preserve number of active call arguments across a nested call command
* FIX wxt terminal mutex protecting execution of the command list
* FIX apply clipping to the interior fill of circles and ellipses
* FIX corruption of weights used for plotting with smooth acsplines
* FIX skip columnheader line when applying "every" filter
* FIX handle out-of-range pm3d values when cb axis is set to log scale
* FIX top/bottom color distinction in hidden3d when not using palette/RGB colors
* FIX allow toggling on/off of more than 10 plots in windows terminal
* FIX color printing from windows terminal
* FIX set term win font ",<size>"
* FIX incorrect return for acos(x) when imag(x) > 0 (bug present since v3.7)
incorrect return for asin(x) when imag(x) > 0 (bug in 4.4.4, 4.6.0)
incorrect asinh(x) when real(x) < 0 && imag(x) == 0 (bug in 4.4.4, 4.6.0)
* FIX keep sufficient precision in canvas and svg coords to report time in msec
* FIX the input buffer was not always extended correctly inside a { clause }
* FIX some cairolatex set_color requests were being ignored
* FIX calculated value of kernel density mean and sigma
* FIX emf terminal dashed line support
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de-reference on the first command.
Bump pkgrevision.
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changes:
- New syntax supporting multi-line blocks of code delimited by curly braces
if (<cond>) { ... } else { ... }
do for [<iteration-spec>] { ... }
while (<cond>) { ... }
- Time formats can handle fractional seconds to microsecond precision.
- User-definable linetypes that can be used to establish a locally
preferred default sequence of colors or dash/thickness/point styles.
- Statistical summary of the data to be plotted (new command "stats")
- New terminal drivers: qt context epscairo cairolatex
- Improved support for UTF-8, SJIS and other multi-byte encodings
pkgsrc change: added "qt4" and "wxwindows" options (not enabled
by default)
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* NEW Implement pan and zoom via mouse wheel.
* NEW set key maxcolumns N maxrows M
* NEW value("varname") returns the value of the named variable
* NEW encoding cp1251 - 8-bit Cyrillic
* CHANGE backport emf terminal driver from version 4.5
* FIX better estimation of latex string lengths
* FIX colorbar representation of discrete color palettes is pixel accurate
* FIX NaN initialization and tests working on more (all?) platforms
* FIX configuration script tests for readline+ncurses
* FIX prevent out-of-range boxes from creating degenerate ghosts on the border
* FIX missing alpha channel flag for pdfcairo terminal
* FIX font initialization in windows terminal
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* FIX color specification "lc N"
* FIX clipping error in filled curves
* FIX segfault if "refresh" command follows an interrupted replot
Changes 4.4.1:
* NEW Support the "%s" format specifier in strftime()
* NEW Optional 6th data column in candlesticks style to specific box width
* NEW If integer arithmetic i*j or i**j would overflow, return value as a real
* NEW "set style circle radius <default-radius>"
* FIX autoconfiguration of readline support in OSX
* FIX font problems in win terminal
* FIX Protect against runaway recursion by limiting depth of nested functions
* FIX metapost terminal: Fix inheritance of line thickness by text strings
* FIX cairo terminals could segfault on certain enhanced text strings
* FIX pdfcairo output to stdout now works
* FIX font ",size" in non-enhanced mode postscript terminals
* FIX Do a better job of estimating the width of UTF-8 encoded strings
* FIX baseline bug in canvas terminal rotation of enhanced text
* FIX Allow "with labels" to work for binary input data
* FIX update user GPVAL variables after plot in table mode
* CHANGE depth-sorting of pm3d surfaces now applies jointly to all in the plot
* CHANGE 3D impulses are now always drawn from z=0
* CHANGE Enable HIDDEN_QUADTREE by default
* CHANGE Enable "set fit errorvariables" by default
* CHANGE Regardless of current timefmt, read time from binary files as a binary
* CHANGE do not limit 3D rotation to 0<rotx<180
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directories for the default fontpath. PKGREVISION++. ok agc.
The font handling is still fairly problematic; I guess Someone(TM)
should teach this to use fontconfig sometime.
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New features, changes and fixes in gnuplot version 4.2.6
===========================================================
* NEW xterm tektronix emulation 'set term xterm'
* FIX 'set xtics mirror' didn't work if xtics were previously unset
* FIX off-by-one pixel bug in width of boxes with palette or rgb color
* FIX center rotation of 'set view equal xyz' mode at screen center
* FIX sanity-check time ranges for axes with timeformat
* FIX pslatex blacktext and broken format specifier
* FIX PostScript code points for Lcaron, lcaron in encoding cp1250
* CHANGE If a 2D plot uses a Z-based palette, then autoscale cbrange
* CHANGE aquaterm accepts "size xx,yy" with a comma
* CHANGE Remove the EXPERIMENTAL flag from the wxt terminal
* CHANGE Remove the EXPERIMENTAL flag from the x11 terminal binary polygon mode
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pkgsrc changes: use NetBSD libedit where possible.
New features, changes and fixes in gnuplot version 4.2.5
===========================================================
* NEW ./configure --with-readline=bsd to use libedit rather than libreadline
* NEW command line option -e "command list"
* NEW 'set xtics rangelimit' allows creation of range/frame plots
* NEW "set view equal_axes xy{z}" does for 3D what "set size square" does for 2D.
* CHANGE updated svg terminal driver (back-ported from 4.3 CVS branch)
* CHANGE fillstyle empty really is consistently empty (not fill-with-background)
* CHANGE warn that some options to 'set datafile binary' are not implemented
* CHANGE handling of custom palette when postscript mode is set to "monochrome"
* CHANGE allow Z axis label in 3D plots to be rotated
* CHANGE do not save or restore axis tick labels that were read from a data file
* FIX interpolatation for pm3d surfaces given by both z and colour coordinates
* FIX infinite loop if axis tick increment is on the order of machine precision
* FIX initialize x11 enhanced text mode to use most recently requested font
* FIX emf handling of enhanced text at non-zero angle
* FIX 3D plots with fixed zrange were clipping against xmax rather than zmax
* FIX handling of uninitialized variables in fit "via" command
* FIX pm3d depthorder was ignoring interpolation setting
* FIX assignment of fill patterns to boxes in columnstacked histograms
* FIX Reserve room for user tic labels even if the format for autoticks is ""
* FIX bug in 4.2.4 that gave twice the requested left/right margin width
New features, changes and fixes in gnuplot version 4.2.4
===========================================================
* NEW add support for enhanced text mode in the emf terminal driver
* NEW builtin functions 'strftime' and 'strptime'
* NEW set absolute plot margins in screen coordinates
* NEW "nocontours" keyword for splot
* NEW "undefine foo" clears previously defined user variable foo
* NEW allow contouring of pm3d surfaces
* NEW allow color by z value ("palette z") in 2D plots
* NEW "pause mouse close" waits until the plot window is closed
* FIX The documentation says that "set size ratio" is ignored in 3D. Make it so.
* FIX Do not re-quantize time tics interval explicitly set by user
* FIX (gd post) don't segfault on very long font names
* FIX allow variable color from input file for "with boxes", "with vectors"
* FIX don't run off the end of "set format" commands
* FIX Fix discontinuity in piecewise approximation of inverse error function
* FIX discard out of range vectors in the bitmap terminals (pbm, epson, etc)
* FIX 2nd colour in the colour box for negative palette in postscript
* FIX insure palette is initialized before any objects are drawn
* FIX wxt terminal was not obeying "set palette maxcolors"
* FIX Histograms did not correctly honor 'set style user increment'
* FIX Avoid segfault if tic labels are requested from a non-existent data column
* FIX emf terminal - allow fractional linewidth (fixes 0-length dash problem)
* FIX post terminal - fix parsing error for palfuncparam
* FIX post terminal - escape {} chars in enhanced text mode
* FIX clip "splot with labels" against plot boundaries in 2D mode
* CHANGE try harder to autotitle columns in using specs with expressions
* CHANGE gd.trm: use dynamically-allocated TTF font names
* CHANGE x11: more finely sampled color palette for PM3D
* CHANGE cgm: switch to using web_color_rgbs; approximate RGB colors
* CHANGE fig: more point types, 4.2-style font and size syntax for "set term"
* CHANGE emf: separate dashlength option (don't use linewidth for dashlength)
* CHANGE stacked histograms grow upward for values > 0, downward for values < 0
* CHANGE 'pause mouse button1' (or button2) does not disable zooming
* CHANGE built-in readline tries to recognize <home> and <end> keys
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changes:
* NEW options front and back to "set colorbox"
* NEW character encoding support for emf and pdf terminals
* NEW "format" keyword for "set tics" and "set {x|y|...}tics"
* NEW allow user to set colorbar label rotatation if the bar is vertical
+bugfixes
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X11-specific file.
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1.) Remove directory "share/gnuplot/4.2/PostScript" during deinstallation.
2.) Prevent installation of "share/texmf-local/tex/latex/gnuplot" if
LaTeX is available (because we don't want to depend on "tetex").
3.) Update package list of "gnuplot-nox11" for version 4.2.
Bump revision of both packages.
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* New plot styles
o Histogram
o Label plots
o Image data
o Filled curves
o Vectors
* Input from binary data files
* New plot elements
o RGB colors
o Arbitrary rectangles
* String handling
o String and text data read from datafiles
o User-defined string variables, operators, and functions
* Macros
* Auto-layout of multiple plots on a page
* Internal variables
* New or revised terminal drivers
o wxt
o emf
o gif, jpeg, png
o postscript
o ai
o epslatex, pslatex, pstex
o windows
* Canvas size
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for sleep times less than a second (see SUSv3)
fixes PR pkg/35533 by Matyas Janos
-share patches between gnuplot{,-nox11}
-bump PKGREVISION
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This should resolve the build problems on NetBSD-current.
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(No functional changes, and only affects X11 version.)
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Changes:
3.7.3
* Major: contributed code to re-add gamma, inverse normal, and
inverse error function
* Windows specific fixes, most visibly changing the 'pause' command
to avoid cpu hogging, and updated build procedures
* Improved metapost driver
* Make Linux driver work with devfs
* Numerous bugfixes backported from development version, see ChangeLog
* A large number of documentation misprints have been fixed
3.7.2
* Major: we have removed code that was labeled with a
non-commercial use clause. The effect is that this
removes the gamma, inverse normal, and inverse error
function from platforms that have no native
implementation.
* Support for BeOS
* New terminal drivers: emf (Enhanced Metafile Format),
epslatex, ggi (General Graphics Interface), pdf, svg
(W3C Scalable Vector Graphics)
* Updated png driver: web-friendly palette, transparent
images, explicit colour specification
* Updated HPGL driver: optional multi-pen support,
alternative plot sizes, variable font sizes
* Updated gnugraph driver: now requires GNU plotutils 2.2
or better
* Updated eepic driver: picture environment now scales with
"set size"
* Updated fig driver to fig file format 3.2
* Updated tkcanvas driver
* Fix font size option in pslatex driver
* configure-alike script for VMS
* Command substitution in double-quoted strings
* Vector clipping style for 2D plots
* Sort terminals by name before displaying
* Numerous bugfixes
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This is a prerequisite step for octave-current.
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when updating the package. Pointed out by Bernhard Riedel <bernhard@sdg.de>
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