[rrd-users] heat map support

[Stefan Parvu]

> 
> Can you please elaborate upon what you mean by heat map? I think I know what 
> you want, but to arrive at the same page, could you describe how you want to 
> map a time series to a heat map?
>

basically I want to show using a heatmap, ala
http://blog.revolutionanalytics.com/2009/11/charting-time-series-as-calendar-heat-maps-in-r.html
http://blog.revolution-computing.com/downloads/calendarHeat.R 
http://learnr.wordpress.com/2010/01/26/ggplot2-quick-heatmap-plotting/
how a group of servers, which belong to a rack, are used.

Probable I would fallback on R/ggplot2 since SDR Reporting
ships R along with rrdtool. I dont want to do any stunts in
rrdtool, I was thinking there is a simple way to do this.

Thanks,
stefan