Bubble Chart

Bubble chart is a little different from pie and bar charts because it represents three dimensional data. Data is passed in to a bubble chart as a series of [x, y, radius, ]. The optional fourth element of the data point can either be either a label string or an object having ‘label’ and/or ‘color’ properties to assign to the bubble.

The bubble chart requires plugin::BubbleRenderer.

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$pc->set_series_default(array(
'renderer'=>'plugin::BubbleRenderer',
'rendererOptions'=>array(
'autoscalePointsFactor'=>-.15,'bubbleAlpha'=>0.6,'highlightAlpha'=>0.8),
'highlightMouseDown'=>true,'shadow'=>true,'shadowAlpha'=>0.05));

Complete reference to Bubble Chart plugin:
http://www.jqplot.com/docs/files/plugins/jqplot-bubbleRenderer-js.html

Live demo

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Tags: Bubble