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Servlet Example 1 - Data from Text Files

If you do not see the graph image below then click here»

In this example the servlet will acquire both the configuration and graph data from text files.

The configuration data is acquired from the text file ../../area_graph/Examples/areaprops.txt (click here to view)
and the graph data is acquired from the text file ../../area_graph/Examples/areadata.txt (click here to view).

and here is the HTML code,

For a full explanation of and range of values for the above parameters please see the Documentation - Configuration Options».

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The servlet examples are designed to run on the local machine and require that Servletrunner ( part of the JSDK environment ) has already been installed. If you haven't already done so then you should implement the JSDK environment first, see http://java.sun.com/products/servlet/

(The graph servlet will of course work with all servlet engines. If you wish to view the examples with another servlet engine then you will need to adjust the example pages to point to your servlet engine ).

Once you have installed the JSDK environment please copy all the files in the ./Servlet/ directory to the JSDK servlet directory ( usually c:\JSDK2.0\examples\ ). Now start the ServletRunner and then click on the examples below.

Getting Started

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This section describes and provides solutions to common problems.

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Area Graph Examples

Servlet Example 1 - Data from Text Files