How to draw graphs and charts
1. If you want to generate bmp, jpg formats better to use
http://www.jfree.org/jfreechart/ Better with Swing or to email images.
http://cewolf.sourceforge.net/new/index.html Better for JSP/Servlet integration.
2. For more detailed research, Excel is best. Create template with graphs and fill the data using Apache POI API.
http://poi.apache.org/
3. For better quick online graphs try following
http://code.google.com/apis/chart/interactive/docs/gallery/linechart.html
http://code.google.com/apis/ajax/playground/?type=visualization#line_chart
http://webdesignledger.com/resources/13-useful-javascript-solutions-for-charts-and-graphs
-o-
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