RE: [jCharts-users] getting index of a value in a dataset from Av isValueRenderEvent

[Nathaniel G. A. <nat...@ya...>]

did you try getValueIndex()?



--- "Lapinski, Michael (Research)" <lap...@cr...> wrote:
> yes, I realize that the data setindex will always be 0 into the array of
> datasets, what 
> I was looking for is the index of the current array item in the dataset[0]
> array. So as 
> below int dataSetIndex = avre.getDataSetIndex(); is always 0,
> 
> 
> 
> What I am looking for is to be able to getthe index value for a call to
> acd.getValue(int dataset,
>  int index). I can hardcode the size of the graph and then user the
> getValueX() pixel locations 
> and cobjob to get the index of what bar is beign rendered, but I would
> rather have it be more 
> flexible. Please let me know if there is any way to do this or if I have to
> go the static route.
> 
> 
> -thank you
> -mtl
> 
> -----Original Message-----
> From: Nathaniel G. Auvil [mailto:nat...@ya...] 
> Sent: Wednesday, September 10, 2003 4:53 PM
> To: jch...@li...
> Subject: Re: [jCharts-users] getting index of a value in a dataset from
> AvisValueRenderEvent
> 
> 
> 
> For a BarChart, the index will allows be zero as there is only one dataset.
> Please note, those RenderEvents are not enabled on any chart with more than
> one dataset yet. (ie Clustered or Stacked
> Bars)
> 
> 
> 
> --- "Lapinski, Michael (Research)" <lap...@cr...> wrote:
> > Hello,
> >   
> >  I am implementing a PreAxisValueRenderListener for a bar graph.
> > 
> >  Here is a code snippet:
> > 	
> > 
> >   public void preRender(AxisValueRenderEvent avre) {
> > 	
> > 	
> > 	IAxisPlotDataSet iapd = avre.getiAxisPlotDataSet();
> > 	AxisChartDataSet acd = (AxisChartDataSet) iapd;
> > 
> > 	int dataSetIndex = avre.getDataSetIndex();
> > 	int indexInDataSet = null; //how do I get this
> > 
> > 	/* ... */
> > }
> > 
> >  now Id like to get the index of which piece of data
> > in the given data set is being operated on and use 
> > acd.getValue(int dataset, int index) to get a piece 
> > of data. I cannot find any way in the API to do so.
> > Is there a way?
> > 
> > -thank you in advance
> > -mtl
> > 
> > --------------------------------------------------
> > Michael Lapinski
> > Computer Scientist
> > GE Research
> > 
> > 
> > -------------------------------------------------------
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> > jCharts-users mailing list jCh...@li...
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> 
> 
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