RE: [jCharts-users] getting started

[Christian C. <chr...@gr...>]

Ah...right you are. I was doing something stupid ;-)

Any suggestions regarding my SVG rendering questions?

tia,
Christian
----------------------------------------------
Christian Cryder
Internet Architect, ATMReports.com
Project Chair, BarracudaMVC - http://barracudamvc.org
----------------------------------------------
"Coffee? I could quit anytime, just not today" 


> -----Original Message-----
> From: jch...@li...
> [mailto:jch...@li...]On Behalf Of Nathaniel
> G. Auvil
> Sent: Tuesday, October 14, 2003 11:21 PM
> To: jch...@li...
> Subject: Re: [jCharts-users] getting started
> 
> 
> 
> You are passing NULL in for the ChartProperties, AxisProperties, 
> LegendProperties, and
> BarChartProperties
> 
> 
> 
> 
> --- Christian Cryder <chr...@gr...> wrote:
> > Hi folks,
> > 
> > I'm obviously doing something stupid, so maybe you can help 
> me... Here's my
> > code snippet, taken from the samples:
> > ----------------------------------
> > BarChartProperties barChartProperties = null;
> > LegendProperties legendProperties = null;
> > AxisProperties axisProperties = null;
> > ChartProperties chartProperties = null;
> > int width = 550;
> > int height = 360;
> > 
> > try {
> >     String[] xAxisLabels = {"1995", "1996", "1997", "1998", 
> "1999", "2000",
> > "2001", "2002", "2003", "2004"};
> >     String xAxisTitle = "Years";
> >     String yAxisTitle = "Problems";
> >     String title = "Micro$oft At Work";
> >     IAxisDataSeries dataSeries = new DataSeries( xAxisLabels, 
> xAxisTitle,
> > yAxisTitle, title );
> > 
> >     double[][] data = new double[][]{{1500, 6880, 4510, 2600, 
> 1200, 1580,
> > 8000, 4555, 4000, 6120}};
> >     String[] legendLabels = {"Bugs"};
> >     Paint[] paints = new Paint[]{Color.blue.darker()};
> >     dataSeries.addIAxisPlotDataSet( new AxisChartDataSet( data,
> > legendLabels, paints, ChartType.BAR, barChartProperties ) );
> >     AxisChart axisChart = new AxisChart( dataSeries, chartProperties,
> > axisProperties, legendProperties, width, height);
> > 
> >     ...
> >     ServletEncoderHelper.encodePNG(axisChart, httpServletResponse);
> >     ...
> > 
> > catch(ChartDataException chartDataException) {
> >     chartDataException.printStackTrace();
> > }
> > ----------------------------------
> > 
> > Notice that I am _not_ calling renderWithImageMap(), 
> getImageMap(), etc the
> > way the sample is. Instead, I'm trying to use the chart 
> normally, just as an
> > image.
> > 
> > The problem occurs within encodePNG()...it basically throws a 
> null pointer
> > exception, and because the code was apparently compiled without line
> > numbers, I don't get a whole lot for debugging...
> > 
> > Now, I tried a simple pie chart example, and that _did_ 
> work...so obviously,
> > I am doing something specifically wrong here. Does anyone have 
> any ideas? Or
> > do I have to go build the project from source in order to get 
> line numbers
> > and then track it down from there.
> > 
> > Any suggestions would be greatly appreciated...
> > 
> > tia,
> > Christian
> > ----------------------------------------------
> > Christian Cryder
> > Internet Architect, ATMReports.com
> > Project Chair, BarracudaMVC - http://barracudamvc.org
> > ----------------------------------------------
> > "Coffee? I could quit anytime, just not today"
> > 
> > 
> > 
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