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Re: JFreeChart/Wonder liftoff
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Re: JFreeChart/Wonder liftoff


  • Subject: Re: JFreeChart/Wonder liftoff
  • From: "Cheong Hee (Gmail)" <email@hidden>
  • Date: Wed, 16 Dec 2009 11:43:06 +0800

Hi Baiss

I use JFreeChart with some success on PieChart, but not on ERPPieChart. I am not sure if this could be of help. I have created an array to hold the NSMutableArray passing in and later convert them to dataset, _dataset. Then have this method to call to generate the chart:
protected JFreeChart createChart(){
JFreeChart chart = ChartFactory.createPieChart(titleLabel, // chart title
_dataset, // data
true, // include legend
true,
false
);
PiePlot plot = (PiePlot) chart.getPlot();
plot.setBackgroundPaint(Color.lightGray);
return chart;
}


HTH.

Cheers

Cheong Hee

----- Original Message ----- From: "Baiss Eric Magnusson" <email@hidden>
To: "WebObjectsDev" <email@hidden>
Sent: Wednesday, December 16, 2009 8:52 AM
Subject: JFreeChart/Wonder liftoff



I was wondering if anyone can help with the use of ERPPieChart from ERPlot as I replace the various plots in the WO project I'm converting, it's also an introduction to Wonder for me.


I have a NSMutableArray of references to instances of an inner class <TotalOfMonth> which has the values: (amount, name, color);

Starting, I see I do:

ERPPieChart erPieChart = new ERPPieChart( this.context() );

// how can I best pass the values in the NSMutableArray to the dataset inside <erPieChart?>
// I have ERPlot Framework in /Library/Frameworks on MacOSX but I can't seem to step into ERPPieChart


JFreeChart jfc = erPieChart();

Previously I had done arcFillCenter, drawRect, etc. for the constructing of the chart with a long-deprecated java plot package, this seems antiquated.

At what point do I stop looking at the routines in ERPieChart and look at the routines in JFreeChart, I have its 950 page reference document plus some source code.


---- Baiss Eric Magnusson http://www.CascadeWebDesign.com



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 >JFreeChart/Wonder liftoff (From: Baiss Eric Magnusson <email@hidden>)

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