The Plotalot API

The Plotalot API is only of interest to programmers who wish to include charts in their own Joomla components. The API is documented in a separate document, the Plotalot Developer Guide, which you can download if you buy the paid version of Plotalot. The Developer Guide will be of no interest to you unless you are a PHP programmer.

Simpleplot is a very trivial Joomla Component that demonstrates how to use the Plotalot API. It is the "hello world" program for Plotalot, and should be studied in conjunction with the Plotalot Developer Guide. This page is displayed by SimplePlot.

Please note that writing a Joomla component requires experience of programming, PHP, and the Joomla API. The Plotalot Developer Guide only documents the Plotalot API.

SimplePlot installs some sample data into a table called jos_plot_sample, and the code demonstrates how to retrieve a list of years from the table, construct a listbox, display the page, recover the user's selection, and draw a chart for the selected year. It is deliberately as simple as possible, to clearly demonstrate techniques to help you get started on building your own component.

Access to SimplePlot is included with the paid Plotalot package.

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