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...ives and the Internet for hours but have yet to find a way to do stacked area plots (like the kind in Excel) in R. I think that polygon may work but it would require a bit of manipulation of my data. I was hoping for an easier way. An example of what I'm trying to do can be found here: http://jcharts.sourceforge.net/samples/stackedArea.html Thanks, Josip

...s we''ve tried (Windows and Mac OS X). However, the charting components available, relying on ImageMagick or GraphicsMagick seem less clear cut. OS X was no problem - but Windows XP proved tricky. The other option we considered was using a Java servlet on Tomcat to provide the charts (using JChart or something). Is there a way within a Rails controller (for example) to proxy a call to another server (on port 8080 in this case) within the firewall, to return a resource (a generated image). Obviously we don''t want to embed an <img> link to something on 8080 since this won'...