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Note:
For the purposes of demonstration this servlet
implementation assumes that the Pie Chart Servlet
has been implemented on the local machine under
the JSDK Servlet engine. It is vital that "ServletRunner"
is in operation when this page is viewed. For
further information on this please see:-
Documentation
- Implementing Servlet
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Method Outline
Here the chart is set to acquire the data from
a database at page view time. This is done via
a server side interface script DatabaseScript.php
Settings Summary
- Data acquired from a PHP script
DatabaseScript.php
- Properties acquired from a PHP script PieConfigScript.php
- 3D Graphing Mode set
- 3D angle set to 40 degrees
- 3 Pies defined to display sales for 2 products
plus a combined pie.
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How the Chart was created.
The above chart was inserted into the page with
the HTML Code contained in the file,
servlet-databases-pie-chart.txt
(click to view).
The chart properties are read from the file,
PieConfigScript.php
(click to view)
The chart data is read from the file,
DatabaseScript.php
(click to view)
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Further Information
Obtaining the data from server scripts provides
many possibilities. See the following Tutorials:-
Dynamic
Page
Script
Interface
For a full explanation of each parameter see
the
"Configuration
Options" section of the Documentation.
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