Serge Maandag wrote:
> I'm not sure I totally understand what you're trying to make it look like, 
> but can't you just say:
> 
>     "DEF:avgtemp=$RRDFile:HourAvgAirTemp:AVERAGE",
>     "CDEF:unknownpos=avgtemp,UN,INF,UNKN,IF",
>     "CDEF:unknownneg=avgtemp,UN,NEGINF,UNKN,IF",
>     "AREA:unknownpos#000000",
>     "AREA:unknownneg#000000",
>     "LINE1:avgtemp#FF0000:Average\\l",

Thank you.  That is exactly what I wanted.  Looking at it now, it seems
like it should have been obvious once I realized that the AREA function
starts from 0.

Thanks also to Tobias for some great software.

-- 
J. Rhett Hooper <[EMAIL PROTECTED]>
USU Research Foundation / Space Dynamics Laboratory
GPG Public Key 0x9049E3BC available at http://www.keyserver.net/

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