[rrd-users] tagging a chart's data?

Lennart Koopmann lennart at scopeport.org
Wed Feb 4 13:03:10 CET 2009

Am Mittwoch, den 04.02.2009, 12:37 +0100 schrieb Bart Van Der Meerssche:
> We're now looking into ways to allow users to add annotations to the 
> charts. One display option involves tagging the data like they do in 
> google finance: http://finance.google.com/finance?client=ob&q=GOOG.
> did find a way to add a vertical line at a certain timestamp through 
> VRULE. But is there a way to add a label to the VRULE like they did
> this flex chart: 
> http://tomgutz.wordpress.com/2007/12/17/flex-custom-chart? Or does 
> someone know of a better solution for tagging a chart's data?

Hello Bart,

I don't think there is a way to do this with rrdtool. You can add an
entry in the legend for every VRULE if you want:


So long
Lennart Koopmann

ScopePort Head Developer - http://scopeport.org/

Blog: http://blog.scopeport.org/
Ohloh: https://www.ohloh.net/accounts/lennart

...you can also find me on Xing. ;)

GPG Key available.

More information about the rrd-users mailing list