yes, exactly as you said. thanks for your great help.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Karl Fischer Sent: Tuesday, April 27, 2010 11:21 AM To: [email protected] Subject: Re: [rrd-users] How would you handle this? Am 27.04.2010 20:15, schrieb Jeffrey Zhang: > thanks, Karl. the code is working , at least no error. but for > some reasons, I don't see any line got drawed for the tick. > > any clue? Most likely because the value never reaches *exactly* 100 since it's floating point - so it might be 99.99 or 100.01 etc. You might get better results when using GT/GE/LE/LT instead of EQ hth - Karl > -----Original Message----- > From: [email protected] > Sent: Tuesday, April 27, 2010 11:07 AM > To: [email protected] > Subject: Re: [rrd-users] How would you handle this? > > Am 27.04.2010 19:39, schrieb Jeffrey Zhang: >> Hi Can anybody give me clue on - >> >> how can I draw a vertical line for time in X-axis which depands on >> the Y-axis value, e.g, at the time of Y=100? >> probably I should use VDEF but I don't know how to derive the time? >> >> A simple example would be great. > > Hi Jeffrey, > > try this: > > CDEF:yMark=value,100,EQ,1,UNKN,IF > TICK:yMark#000000:1 > > hth > > - Karl _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
