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Other Nate, this is *exactly* the advice I needed. indeed, i want to interact with the circles. Much thanks! N On Thu, Dec 1, 2011 at 10:59 AM, Nate Vack <[log in to unmask]> wrote: > On Thu, Dec 1, 2011 at 12:35 PM, Nate Hill <[log in to unmask]> > wrote: > > I should have provided a bit more information here. > > > > Here's a rough in-progress view of what I'm up to. > > http://www.natehill.net/loadsketch/donerightclasses.html > > > > I was using processing.js to read a file and then visualize some of the > > data... you can see the circles are being generated from the values in > the > > .txt file. > > If you want to be able to interact with the circles (and I would!), > I'd recommend d3.js as an interface framework. SVG is slower if you > want to draw lots of elements, but your elements are part of the DOM, > so you can bind event handlers to them and such. > > And d3's approach of binding data and elements together is really > elegant. It's remarkably easy to do stuff like this: > > http://mbostock.github.com/d3/ex/population.html > > With regards to your first question: parse the text into JSON, > server-side, and send that. Modern browsers can process obscenely > large JSON arrays really fast. You could parse the text client-side, > but > > -n > -- Nate Hill [log in to unmask] http://www.natehill.net