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 End-User Documentation

Funnel Chart

Expanded Short Description

The Funnel Chart is represented by the Funnel3DSeriesView object, which belongs to Pie, Doughnut and Funnel Series Views. Typically, a funnel chart displays a wide area at the top, indicating the total points' value, while other areas are proportionally smaller.

For example, a funnel chart can represent a sales funnel that indicates sale process stages, including potential loses at each stage. This helps to identify weak points in an organization’s current sales processes, and indicate possible bottlenecks within the data.

The funnel displays a process that starts at 100%, with subsequent stages having a progressively lower percentage. The data point with the greatest value in the collection is 100% (the top of the funnel), which represents the widest polygon. The next series point value is represented by a smaller polygon, whose top width represents the value's ratio to the previous point value. This continues up until the last point, which has a bottom width equal to its top width.

A funnel chart can be used to display Web site visitor trends, as the following image demonstrates.

Expanded Chart Type Characteristics

The table below lists the main characteristics of this chart type.



Series View type Funnel3DSeriesView
Diagram type FunnelDiagram3D
Number of arguments per series point 1
Number of values per series point 1

Expanded Example

The following example demonstrates how to create a ChartControl with a series of the Funnel3DSeriesView type, and add this chart to a form at runtime. Before proceeding with this example, first create a Windows Forms Application in Visual Studio, and include all necessary assemblies to the References list of your project.

Then, add the following code to the Form.Load event handler.

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E1552.

Expanded See Also

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