www.jfree.org

Using jfreechart with rails was my main motivation for doing this, so I surely hope it will work with rails. I have not yet tried it out yet. If anybody else has info or suggestions, please post! FYI, I doubt the performance of this solution under rails will be very good since it requires firing up ...

Ok, I'll answer my own question in case anybody else out there has a need to do this. The easiest way I found to use jfreechart from a Ruby app was to use a Ruby<->Java bridge called YAJB ( http://www.cmt.phys.kyushu-u.ac.jp/~M.Sakurai/cgi-bin/fw/wiki.cgi?page=YAJB ) This software allows instantiati...

I'm trying to run one of the demos that comes along with jfree chart as follows: > setenv CLASSPATH .:blah/jfreechart-1.0.1.jar:blah/jcommon-1.0.0.jar > javac PieChartDemo1.java > java PieChartDemo1.class Exception in thread "main" java.lang.NoClassDefFoundError: PieChartDemo1/class > Not sure what ...

Hi, sorry to say but I don't do Java. Anybody have any suggestions for how to use JFreeChart to generate charts from a Ruby or a Perl application? I've searched the forums but can't seem to find anything. Alternatively, if anyone knows of good plotting & charting packages for these languages, let me...