Scatter Displayer
A scatter 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 | Markers |
The following properties are specific to a scatter displayer:
Property | Methods | Default Value |
Marker Type | getMarker setMarker | IlvMarkerFilledSquare |
Marker Size | getMarkerSize setMarkerSize | IlvDefaultMarkerSize |
Scatter Displayers in a Cartesian Chart and in a Polar Chart illustrates the fact that a scatter displayer can be used with all types of projections. Data sets are represented by scatter displayers in a Cartesian chart (using a Cartesian projection) and in a polar chart (using a polar projection).
Scatter Displayers in a Cartesian Chart and in a Polar Chart
We can use the scatter displayer displaying the blue triangles as an example. We can create this displayer by using the following code:
IlvScatterChartDisplayer* displayer = new IlvScatterChartDisplayer(IlvMarkerFilledTriangle, IlvDefaultMarkerSize); displayer->setForeground(dpy->getColor("blue")); |
Note: The Drawn Filled property has no meaning for a scatter displayer. The markers are simply drawn with the foreground color of the defined palette. |
Version 6.1
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