------------------------------------------------------------------------ Chart version 0.99a ------------------------------------------------------------------------ This is the first stable release of a general-purpose graphing module. It uses Lincoln Stein's GD module for graphics primitives. It allows easy generation of line, bar, point, point-and-line, stacked bar, and composite charts. ---------- INSTALLING ---------- The usual. perl Makefile.PL make make test make install This should install to your site_perl directory. The test scripts also put samples of the different charts in the samples/ directory. ------------- PREREQUISITES ------------- Lincoln Stein's GD module ------- CHANGES ------- 0.99 - 0.99a: Added use of undef() values to represent 'no data' for line breaks Added ylabel*_color options Added y_grid_lines, x_grid_lines, and color options for each Added Expires: 0 to cgi header: Reiner Nippes Restored grid_lines option: Heinz-Guenter Kontny Fixed a typo that broke imagemap data storage in Lines charts 0.94 - 0.99: Modified the 'title' option to correctly process newlines Deprecated the 'subtitle' option, will remove it in next release Changed the API for specifying colors Added support for printing to file handles Added Chart::Composite Added 'spaced_bars' to make it easy to differentiate the bars Added 'grey_background' to make plot background grey Added support for negative values in the datasets Added methods to remember and dump imagemap pixel information Included rgb.txt with distribution for WinXX users 0.93 - 0.94: Moved the legend down to be flush with the chart Fixed the long decimal y-tick label problem Fixed (for the last time, hopefully) the pre-5.004 compilation problem Fixed handling of undefined data points Added more colors for the default data colors Added the transparent gif option Added the option for user-specified colors Added the grid_lines option 0.92 - 0.93: Fixed the sort problem Fixed the y-axis label centering problem Fixed pre-5.004 compilation problem Added StackedBars charts ------ AUTHOR ------ David Bonner (dbonner@cs.bu.edu) http://www.cs.bu.edu/staff/TA/dbonner --------- COPYRIGHT --------- Copyright(c) 1997-1998 David Bonner. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.