Documentation/DevGuide/Charts/Pie Charts

OpenOffice.org Developer's Guide

Charts

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• Handling Chart Documents

• Creating and Adding a Chart to a Spreadsheet
• Creating a Chart OLE Object in Draw and Impress
• Setting the Chart Type
• Accessing Existing Chart Documents

• Working With Charts

• Data Access
• Chart Document Parts

• Common Parts of all Chart Types
• Features of Special Chart Types

• Statistics
• 3-D Charts
• Pie Charts
• Stock Charts

• Chart Document Controller
• Chart Add-Ins

• Prerequisites
• How Add-Ins Work
• How to Apply an Add-In to a Chart Document

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Pie charts support the offset of pie segments with the service com.sun.star.chart.ChartPieSegmentProperties that has a property SegmentOffset to drag pie slices radially from the center up to an amount equal to the radius of the pie. This property reflects a percentage, that is, values can go from 0 to 100.

 // ...
 
 // drag the fourth segment 50% out
 aPointProp = maDiagram.getDataPointProperties(3, 0)
 aPointProp.setPropertyValue("SegmentOffset", 50)

Note that the SegmentOffset property is not available for donut charts and three-dimensional pie charts.

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