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# Combination Graphs

Combination graphs allow you to place two different plot types at on the same graph. The primary data (i.e. data for the graph type that occurs first in the combo graph name) is set using the usual .setData() method. Secondary data is set using the .setComboData() method. Note that the .setData() and .setComboData() methods enforce data conformance - that is, you cannot plot data of different lengths in your primary and secondary graphs.

Each combination graph type also as a corresponding 3D graph type. The 3D types plot the primary graph type in 3D, with the secondary data type as a 2D backdrop.

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PyGDChart User's Manual