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

[George Dau]

I think the answer is "yes". You need to CDEF three variables and use "if"
processing.
The colours of the three are, say, v1:Green, v2:Blue, v3:Green.
v1 is drawn first, thne v2, and finally v3.

If Green > Blue, Graph v1 and v2 (v3 is zero or NaN)
if Blue > Green, Graph v2 and v3 (v1 is zero or NaN)

I could write the actual function for this over the w/end if you want.

-----Original Message-----
From: Alex van den Bogaerdt [mailto:alex at slot.hollandcasino.nl]
Sent: Thursday, 3 January 2002 9:41 AM
To: cpope at sell.com
Cc: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Re: Making sure no area overwrites another



Christohper Pope 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.

Right.  In that case the answer is: no.
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