This class defines the methods to access a chart. It provides methods
to set the multiple chart components. You can set multiple ChartRenderer
giving them a z-coordinate. The ChartRenderer that is rendered first is
the one with the lowest z-coordinate.
author: mueller version: 1.0
Returns the ChartRenderer with a specific z-coordinate.
Parameters: z - the z-coordinate of the desired ChartRenderer. the ChartRenderer or null if none has been found.
Does the layout of the title, legend and coordinate system and
calls the render method of all those including the ChartRenderers.
Parameters: g - the Graphics2D object to paint in.
Sets the coordinate system for this chart,
which can be null if the ChartRenderer
doesn't need a coordinate system, e.g. if it's a
PieChart.
Parameters: c - The Coordinate System for the Chart.