DISPLAYING PIE CHARTS IN A LIMITED DISPLAY AREA

摘要

A system and a method are disclosed for visually displaying data points using pie charts on a display screen with limited display area. Detailed information is presented for individual sectors compared to other sectors displayed. The sector is selected for displaying detailed information based on its orientation with respect to a centerline axis of the chart. The pie chart can be rotated to cause detailed information to be displayed for different sectors. The mechanism is used to display detailed information of data points for other kinds of charts including multi-series pie charts and donut charts.