[mrtg] no ping indicator

[Jakub M]

Hello,

I want to make a chart, that would show with one color ping time, and
with nother color that ping was NOT received. I have made in my script
that it returns
0
ping_time

on ping, and

1000,
unknown

My point is to show a bar only when there is no ping, so I can easily
see when i couldn't reach the host. The point is that i have some
problems with scaling the graph. Is it possible to set MRTG to scale
graph to only one of the values, so the second one might be painted
'out if the range'?

Thanks!