Hi Mark, On Fri, 2007-06-22 at 18:36 +0100, Mark Harrison wrote: > What I'm after is a free (in both senses) "thing" (library, probably), > that can grab some data, and turn it into a pretty-looking bar graph. I > don't mind particularly how it outputs the graph provided it's something > that can display within Firefox, so something that could dynamically > build a PNG or a Flash, or whatever really. >
gd is the library in php that can generate pretty much any graphical output. http://www.partdigital.com/tutorials/bar-chart/ http://www.weberdev.com/get_example-4619.html Also as previously mentioned rrdtool is often used to generate graphs. An example of rrdtool can be seen if you ever view cacti performance and other resource usage graphs. You can see an example on the front page of the cacti site. http://cacti.net/ Cheers, Al.
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