ZoomCharts Documentation

Object structure

The pie chart consists of Pie objects and Slice objects. The pie objects form a stack of pies, the outermost being active and inner ones being in background.

The following read-only fields are available. All other fields in the objects are considered internal and subject to change. Each object also has a collection of style fields you can assign to, described in the style section.

Pie fields

• id - pie id
• data - pie data as received from data source
• slices - array of currently visible slices
• offset - offset in data for visible slices
• count - number of visible slices
• activeSlice - active slice object if the pie has active slice open
• othersSlice - others slice object or null
• previousSlice - previous slice object or null
• parentSlice - parent slice object if the pie has parent
• background - the pie is a background pie, the slices are not clickable, true or false.

Slice fields

• id - slice id
• data - slice data as received from data source
• index - index in the data array
• value - the slice value from data
• percent - percents of total the value represents, 0..100
• fraction - visual fraction from full pie, 0..1. Will be different from percent if pie offset is not 0.
• expandable - if clicking on the slice will expand it, true of false
• selected - if is selected, true of false
• active - if is under the cursor, true of false.

Api methods

The following chart API methods return chart objects:

• chart.getActivePies() - returns array of pie objects representing stack of all drilled down layers. First being the innermost.
• chart.getActivePie() - returns outermost pie layer.
• chart.getActiveSlices() - returns array of visible slices for outermost pie layer.