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Revision history for Perl extension PDL::Graphics::PLPLOT

0.01  1/23/2002
	- original version

0.11  First version released to CPAN.  Does line and point plots and Shade plots.
      Still missing support for 3D plots (but this could easily be added).

0.19  1/31/2003 First version integrated into the PDL distribution.  Includes
      Support for 'mem' driver for in-memory plotting on top of RGB images.

0.20  7/16/2003 Broke package apart from main PDL distribution to allow separate development.
      Now package should work either as part of PDL distro (with plplot.t moved to PDL/t directory)
      or independently (with plplot.t in PDL-Graphics-PLplot/t directory).
      Added controls for tick size, tick spacing and error bars.

0.21  11/21/2003 Fixed test suite to use Test::More, updated to work with plplot-5.2.1.
      Back-ported to main PDL distro.

0.29  6/22/05 Fixed bug in plcolorpoints in the "bad" code for loop

0.30  8/9/06  No longer use plfill for color wedge--this does not work with some
      drivers including the 'mem' driver.  Also use fewer colors in the color wedge
      for GIF device plots because of GIF's 256 color limitation

0.31  May 2007 Merge changes from PDL mailing list

0.32  Add TEXTPOSITION support for bargraph

0.33  Added stripplot function for multiple plots with a common X axis.  Added extra colors.

0.34  Added Y_BASE and Y_GUTTER options to stripplot.

0.35  Added new low level functions supporting alpha channels.

0.36  Added pltimefmt call for plplot 5.9.0

0.37  10/15/2008 Handle case of missing PDL better

0.38  10/16/2008 Fixed typo in Makefile.PL that broke build, added plgvpd and plgvpw interfaces

0.39  10/29/2008 Added lib64 paths back in to PLplot library search path.

0.40  12/04/2008 Fixed interface to plgcol0, changed plParseOpts to use c_plparseopts (the current standard)
                 Added interface to plhlsrgb.
                 Ported back some changes from PDL-2.4.4 release for backwards compatibility with old plplot

0.41  12/04/2008 Added VERSION in plplot.pd where you can query it from the command line:
                 perl -MPDL::Graphics::PLplot -e 'print "$PDL::Graphics::PLplot::VERSION\n"'

0.42  12/04/2008 Added plimagefr support to allow complete plplot example x20.pl to work.

0.43  12/05/2008 Added support for environment variables:  PLPLOT_LIBDIR and PLPLOT_INCDIR
                 to allow the user to specify the plplot location.

0.44  12/05/2008 Added plseed and plrandd interfaces

0.45  12/10/2008 Fixed routines: plgcol0,  plgcolbg,  plscmap0,  plscmap1
                                 plgcol0a, plgcolbga, plscmap0a, plscmap1a
                 To handle output parms and SIZE parms consistently
                 Added 3D labelling functions for example 28.

0.46  12/11/2008 Added font handling routines:  plgfont, plsfont, plgfci, plsfci

0.47  12/18/2008 Added band-aid to get_standard_pltrcb to avoid failure in plshades reported
                 by Orion Poplawski.  Also added interface to plcalc_world and fixed interface to plgfnam.

0.48  1/7/2009   Allow caller of 'colorkey' high level function to set XBOX or YBOX to set
                 color key number scale parameters.  Also added logic to allow detection of
                 new plplot routines to prevent failure with plplot 5.9 and earlier.

0.49  2/26/2009  Fix zero-divide bug in plcolorpoints

0.50  06/15/2009 Took out logic depending upon $PDL::Config{WITH_PLPLOT} (which is set in the
                 PDL top-level Makefile.PL) for building and testing PDL::Graphics::PLplot.
                 This dependency required that PLplot detect and build correctly in the original
                 PDL compile.  One should be able to install PDL::Graphics::PLplot later.
                 Also stripped a lot of cruft from plplot.t which seems not to be necessary for
                 more recent plplot versions.

0.51  7/13/2009  Added logic to manage a PLstream pool instead of just incremenenting the pool number
                 with each call to 'new'.  This allows one to re-use stream numbers after a call to
                 'close'.  Bug found by Marek Gierlinski.

0.52  11/03/2009 Fixes for 64 bit machines:  plFree2dGrid, plFreeGrid, plAllocGrid, plAlloc2dGrid, pltr0, pltr1, pltr2
                 Now compiler complains less.