Charts > Using the Charts Library > Data Display > Using Single Displayers > Step Displayer
 
Step Displayer
A step displayer has the following basic characteristics:
Class
Category
Single
Number of real data sets displayed
1
Can be used with all types of projections
Yes
Items drawn
Steps
Figure 8.6 illustrates the fact that a step displayer can be used with all types of projections. Data sets are represented by step displayers in a Cartesian chart (using a Cartesian projection) and in a polar chart (using a polar projection).
Figure 8.6    Step Displayers in a Cartesian Chart and in a Polar Chart
We can use the step displayer displaying the red steps as an example. We can create this displayer by using the following code:
IlvStepChartDisplayer* displayer = new IlvStepChartDisplayer();
displayer->setForeground(dpy->getColor("red"));
Note: The Drawn Filled property has no meaning for the step displayer. The steps are simply drawn with the foreground color of the defined palette.

Version 5.8
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