JavaScript Charting Packages

I was looking at Google Finance and marveling at their nice interactive chart. Such a chart would be very sweet for Hackystat or a Saunders kiosk. I thought “surely someone has written a open source JavaScript charting package”, and began Googling.

Later I realized that Google Finance is using Flash for their chart (boo!) so the playing field is not quite level.

Ffor interactivity I could only find one package: Emprise JavaScript Charts. It looks pretty sweet, but it is commercial so it’s not clear how useful it would be for Hackystat.

Other JavaScript charting options (none allowing scrolling and dragging as far as I can tell) are: PlotKit, Plotr, and WebFX Chart Widget.

One problem with making charts via JavaScript is the lack of a good cross-platform drawing system. The implementation page from WebFX Chart has a pretty good summary of the situation. It appears there is no perfect solution, but Canvas seems to be the best cross-platform option.

There appears to be a lot of activity in this area (many of the packages listed are pre-1.0) so perhaps this is a case where procrastination will pay off.

Sadly, I cannot seem to find a link to the paper I remember reading that showed that procrastination can be effective when purchasing a compute cluster to work on a particular project. A cookie for any CSDLer that can dig it up! 🙂

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