[rrd-users] Re: Making sure no area overwrites another

[Christohper Pope]

On Thu, 3 Jan 2002 00:04:04 +0100 (CET)
Alex van den Bogaerdt <alex at slot.hollandcasino.nl> wrote:

> 
> This isn't going to work either because that Metro will win for the first
> half of the graph, then the nitro's up and the Ferrari wins.  This results
> in m overlaying f for the first half, then f overlaying m for the second half.
> 

At any point in time that is about to be graphed, rrdtool knows which car
is going faster. I just want to graph its bar (AREA) first and then graph the
bar for the slower one. This way the speed of the slower one will be graphed
"ontop" of the faster one.

> What you could check out is "STACK".
> 
> rrdtool graph --start speed_daily.png -84600 \
> DEF:f=cars.rrd:ferrari:AVERAGE \
> DEF:m=cars.rrd.:metro:AVERAGE \
> AREA:#0000FF:"Geo Metro" \
> STACK:#12B3B5:Farrari
> 

This is kind of what I need, except like you said its the sum.

Christopher Pope

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