pyqtgraph bar chart

The module pyqtgraph supports all kinds of charts and scientific graphics. Underneath, pyqtgraph uses PyQt4 / PySide and numpy. Its been tested to work on Linux, Windows, and OSX.

In this article we’ll create an example bar chart. The output will be this awesome chart:

pyqtgraph barchart

pyqtgraph barchart

We create the data to plot (x y1) first. y1 is a list of 20 floats that we create using the numpy method linspace.

Then create the barchart using the method BarGraphItem(), where the parameters are x, y, bar width and color.

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