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 protected]>
To: "WebObjectsDev" <[email protected]>
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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