The Data settings for Vizlib Pie Chart manage the measures and dimension you're using to create the visualization. You can add dimension or measures using Fields and Master Items. In this article we're using settings for fields.
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Vizlib Pie Chart supports only one dimension with multiple metrics. Dimension settings (Figure 1) allow you to name a Field, a Label, a checkbox to Include null values, select a Limitation (No Limitation, Fixed number, Exact value, Relative value), and a new Master item.
Figure 1: Dimensions
Vizlib Pie Chart supports up to 50 measures (Figure 2), each one added as a tooltip. The first measure is also used to determine the size of the slice. You can enter an Expression, add a Label, and choose a Number formatting option (Auto, Number, Money, Date, Duration, Custom, Measure Expression).
Figure 2: Measures
The Data Handling section (Figure 3) contains settings displaying your data. You can choose to Suppress Zero Values if you want to hide them, and enter a Calculation condition which means the chart will be displayed only when the condition is true. You can also enter your own Displayed message to inform users about whether the condition has been met.
Figure 3: Data Handling