[rrd-users] Stack valuates together to a daily bar

Marc Tobien Marc at Tobien.net
Wed Jun 10 16:21:47 CEST 2009


I am monitoring a solar panel. Every minute the watts are written into a the
database. Now for better presentation I am trying to gather the data's from
every day and present the result for each day in only one bar, so I can see
for example 7 bars in one week and can se what was the best day.

I am working with php and my string is looking like this:


/usr/bin/rrdtool graph /var/www/temperature/solarleistung_week.png -s -1week
LINE1:w1#48d1cc:"Solarleistung in Watt" -h300 -w500 -y1:2 --color
GRID#dddddd --color MGRID#aaaaaa.


How can I say to rrd to gather the data's every day to one bar?



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