[rrd-users] Re: Question about GPRINT

[Alex van den Bogaerdt]

James Pardonek wrote:
> 
> 
> I am using RRGrapher to gen my graphs but I have an issue when setting
> things up so that the inbound traffic is abouve the center line and the
> outbound is below the center line my legend in the graph gets screwed up.

>                 'DEF:A=/var/www/XX.XX.XX.0_24.rrd:in_bytes:AVERAGE' \
>                 'DEF:B=/var/www/XX.XX.XX.0_24.rrd:out_bytes:AVERAGE' \
>                 'CDEF:C=A,-1,*' \

So: C is -A.

>                 'AREA:C#FF0000:A,-1,*' \

Now you are trying to graph C, which is good.  This will plot negative
numbers which is what you want.  However, you do not want "A,-1,*" in
the legend, so why tell RRDtool to do so?

Just change this into 'AREA:C#FF0000:A' and you will get "A" in the
legend.  No magic, it just prints what you ask for.

HTH
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