[rrd-users] Can you use the graphed time interval in a CDEF function?

[Marc MERLIN]

If I'm graphing something like this
http://gargamel.merlins.org/cacti/graph.php?action=zoom&local_graph_id=19&rra_id=0&view_type=&graph_start=1258012800&graph_end=1258099199&graph_height=320&graph_width=800&title_font_size=10

Is there a way to take my average values and auto-multiply them by the time
range?
That way if I take avg val * 24H in the graph above it would give me
Kwh/day.

Thanks,
Marc
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Home page: http://marc.merlins.org/