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| Classes / Graphics / JFreeChart |
| JFreeChart is an open source Java class library for producing charts. The latest version of JFreeChart (0.8.0) supports horizontal and vertical bar charts (regular or stacked, optional 3D-effect), line charts, pie charts, xy plots, scatter plots, time series charts, high/low/open/close charts, candlestick plots and combinations charts. JFreeChart is available subject to the terms of the GNU Lesser General Public Licence. |
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| User Reviews (12) |
| By: Dustin Breese dbreese@qwest.com - May 08 2003 |
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| Awesome utility. Definitely purchase the documentation -- it will save you hours. Nicely written and will get you going. I wrote a generic production monitoring app which graphs in real time transaction throughput, WebLogic queues, memory, etc, all in a weekend. We also use it to produce graphs for JDBC SQL every night to summarize application performance. It is fantastic. |
| By: paul anderson paulanderson@usa.com - April 20 2003 |
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| very nice quality charts. What is confusing is the implementation of ChartFactory : the usefulness is limited since it has hardcoded methods for generating charts of a certain type. A more robust implementation would be a method called createChart(String chartType, etc. etc.), so that one could at runtime create a chart of a given type without having rafts of if . . . else if . . . .else if .. . .
A true factory method does use hardcoded method names for the create argument - it somewhat defeats the purpose of factory, which is to loosen or remove coupling between different packages. It would be useful to create a generically named method (eg. createChartByType(String type)) which would call one of the hardcoded methods based on the String type requested. |
| By: Chiss - February 14 2003 |
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| This open source library is incredible. With only a few lines of code on my side, I was able to enhance my applications with professional-looking charts and graph. Granted, the "how to use" documention is not free, but you can easily regenerate the Javadoc of all the classes, which a serious developper can easily use to understand what everything does. Highly recommended. |
| By: deian deian_gi@yahoo.com - January 27 2003 |
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| Cool. The best is that they become better with each new version. Also free and opensource. |
| By: Steve Colleman sfreire_@yahoo.com - December 12 2002 |
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| I didn't like it. Maybe I'm wrong, but it only runs in a Java 2 platform, so, to have JFreeChart
graphs displayed in old generation browsers it is necessary to load a plugin. Incidentally,
how could they say it is free if we have to pay for the documentation? And also for support?
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| By: Didier lonelyplanetfr@yahoo.fr - July 13 2002 |
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| A very nice library !
It has all the features of a professional one, except the cost !
Whith it, you can save, zoom, print, ...
To do it there is an editor which allows the user to dynamically change the look of your charts. It helps the developper to know the exact content of each options ( which is very useful as only the doc is costly)
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| By: Bernd Adam badam@web.de - June 06 2002 |
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| JFree Chart is a very fine library to create various business charts. The quality of the charts is excellent. And the support in the forum is also very well. I think you should try it. |
| By: Bernd Adam badam@web.de - June 06 2002 |
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| JFree Chart is a very fine library to create various business charts. The quality of the charts is excellent. And the support in the forum is also very well. I think you should try it. |
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