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The applet is setup here to read the configuration data from a text file and
the graph data from a server side process, in this case a PHP Script running on our web server.
The configuration data is acquired from the text file barprops.txt
(click here to view)
and the graph data is acquired from the servlet SVbarDataScript.php (click here
to view).
The SVbarDataScript ( click
here to view code ) is a simple PHP script designed to demonstrate how a server process can be used to return data to either
the graphing applet or servlet. Although in this example the routine simply builds the return data from 'hard coded' values, in
practice this routine would be expanded to first gather data from any number of data sources. eg. databases, files other server
processes.
For a full explanation of and range of values for the above parameters please
see the Documentation - Configuration Options».
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