[rrd-users] Creating graphs with colored horizontal bands as a background

[Alex van den Bogaerdt]

----- Original Message ----- 
From: "John Novak" <oldtopos at novacell.com>
To: <rrd-users at lists.oetiker.ch>
Sent: Sunday, December 21, 2008 6:49 PM
Subject: [rrd-users] Creating graphs with colored horizontal bands as a 
background


>
> Hello All,
>
> I am investigating creating graphs that have coloured horizontal bands as
> backgrounds for the data being plotted.
>
> The idea is to have lightly coloured areas representing normal, warning 
> and
> critical levels for graphs of CPU Utilization, Disk I/O rates and so on.
> Normal areas would have no additional colour, warning yellow and critical
> red, for example.
>
> I have created some graph prototypes using RRDGraph, but the results have
> been mediocre (not an RRDGraph criticism), albeit functional.  A potential
> solution would be to create an enhanced RRDGraph command to allow access 
> to
> more of Cairo's functionality.

What did you try, and what did you not like about it?