I do: return newNSData(ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height)));
-Lon On Wed, Jan 6, 2010 at 4:54 PM, Baiss Eric Magnusson <[email protected] > wrote: > In the below method how do I get the return stuff from JFreeChart to be put > into a NSData which is bound to the <data> binding of a WOImage, which is > the way I've see to use for the Line Chart I'm creating. It seems that > JFreeChart uses .png by default, which is good n'est-ce pas? > > public NSData lineChartJFree() { > XYSeriesCollection dataSet = createDataset(); > JFreeChart lineChart = createChart( dataSet ); > BufferedImage bufFromJFree = lineChart.createBufferedImage( 800, 500 > ); > Raster rast = bufFromJFree.getData(); > return new NSData( rast.??? ); > } > > > Baiss - > > I looked at this package and, frankly, it does not make that much sense to > me either. But then I find that when Anjo puts things in, be can often be > ... concise, shall we say ... in how he documents things. I could probably > buy and read through the doc for JFreeChart, but I have not done that yet. > > I put a new Example project in Wonder. It is Examples/Misc/ERComponentTour. > There is, after all, nothing analogous to the D2WComponentTour example and > there are lots of non-D2W components in Wonder. The first (and presently > only) page in that app is for "ERPCategoryChart & ERPPieChart." And there is > no ERPPieChart yet. And the examples there are probably not the smartest. It > certainly seems that for the AreaChart and WaterfallChart, this dataset does > not make sense. But this is the first version, so it is obviously better > than what was there before. And anyone who wants to show better examples of > these components is certainly welcome to do so. > > This example does show a minimal usage of the ERPCategoryChart. Let me know > if this helps at all. Or, if it does not, what would be needed to make it > make more sense? Let me know what you end up figuring out and I can probably > use that to improve the example. > > cheers - ray > > > ---- > > Baiss Eric Magnusson > http://www.CascadeWebDesign.com > > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/webobjects-dev/varscsak%40smarthealth.com > > This email sent to [email protected] >
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