The Flex Charting Framework is a powerful series of data-rich controls
that lets you create deep and interactive displays of many types of data.
Flex defines a few of the most commonly used charts—bar charts, pie charts,
and column charts—and gives you a great deal of control over their
Chart contains a
ChartSeries that creates the item renderers based
dataProvider passed to the
object can use an
dataFields from the
dataProvider used to display data in that
ChartSeries, use display effects, and have
distinct properties set to handle user interaction. The Flex Charting
Framework is an immense topic, and as such the recipes in this chapter can
cover only a small set of the possibilities. It should also be noted that
the Flex Charting components are part of the Flex data visualization
package, which is included in the Flex Builder Professional Edition and not
in the Standard Edition or with the free Flex 4 SDK.
You want to add a chart to your application.
Create a chart of the desired type and add the appropriate
ChartSeries object for that
ChartType, and then add a
dataProvider to the
Charts come in a variety of types, and it’s important to know what you have in your toolbox before you start working.
For every chart type, there is a corresponding
ChartSeries. To add a series of data visualized as a particular type, you add the corresponding ...