alt-y-grid buggy?

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alt-y-grid buggy?

Eric Schoeller
Hi,

I just switched over to using alt-y-grid within our large Cacti
infrastructure. The immediate perception was excellent, I started
getting a lot more meaningful scales on the y-grid. As I have been
thumbing around through other graphs I have started to see some
inconsistency. I have some graphs where the y-axis just doesn't make
sense, and I can't understand why rrdtool would select the grids that it
did. See the attachment for an example. Why do I only have "50" and "52" ?

We are running rrdtool 1.4.7. Here is the command line that created the
attached graph:

/usr/local/rrdtool/bin/rrdtool graph - \
--imgformat=PNG \
--start=1360036161 \
--end=1360122561 \
--title='XXXXXXXXXXXXXXXXXXXXXXXXXXXXX' \
--base=1000 \
--height=120 \
--width=500 \
--alt-autoscale --alt-y-grid \
COMMENT:"From 2013/02/04 20\:49\:21 To 2013/02/05 20\:49\:21\c" \
COMMENT:"  \n" \
--vertical-label='amps' \
--slope-mode \
--font TITLE:10: \
--font AXIS:8: \
--font LEGEND:8: \
--font UNIT:8: \
DEF:a="XXXXXXXXXXXXXXXXXXXXX.rrd":currenta:AVERAGE \
DEF:b="XXXXXXXXXXXXXXXXXXXXX.rrd":currentb:AVERAGE \
DEF:c="XXXXXXXXXXXXXXXXXXXXX.rrd":currentc:AVERAGE \
CDEF:cdefa=a,10,/ \
CDEF:cdeff=b,10,/ \
CDEF:cdefba=c,10,/ \
LINE1:cdefa#000000FF:"Phase A\:"  \
GPRINT:cdefa:LAST:"Current\:%8.2lf %s"  \
GPRINT:cdefa:MIN:"Min\:%8.2lf %s"  \
GPRINT:cdefa:AVERAGE:"Avg\:%8.2lf %s"  \
GPRINT:cdefa:MAX:"Max\:%8.2lf %s\n"  \
LINE1:cdeff#FF0000FF:"Phase B\:"  \
GPRINT:cdeff:LAST:"Current\:%8.2lf %s"  \
GPRINT:cdeff:MIN:"Min\:%8.2lf %s"  \
GPRINT:cdeff:AVERAGE:"Avg\:%8.2lf %s"  \
GPRINT:cdeff:MAX:"Max\:%8.2lf %s\n"  \
LINE1:cdefba#0000FFFF:"Phase C\:"  \
GPRINT:cdefba:LAST:"Current\:%8.2lf %s"  \
GPRINT:cdefba:MIN:"Min\:%8.2lf %s"  \
GPRINT:cdefba:AVERAGE:"Avg\:%8.2lf %s"  \
GPRINT:cdefba:MAX:"Max\:%8.2lf %s\n"



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Re: alt-y-grid buggy?

oetiker
Administrator
Hi Eric,

can you try the 1.4 branch from github ?

cheers
tobi


Yesterday Eric Schoeller wrote:

> Hi,
>
> I just switched over to using alt-y-grid within our large Cacti
> infrastructure. The immediate perception was excellent, I started getting a
> lot more meaningful scales on the y-grid. As I have been thumbing around
> through other graphs I have started to see some inconsistency. I have some
> graphs where the y-axis just doesn't make sense, and I can't understand why
> rrdtool would select the grids that it did. See the attachment for an example.
> Why do I only have "50" and "52" ?
>
> We are running rrdtool 1.4.7. Here is the command line that created the
> attached graph:
>
> /usr/local/rrdtool/bin/rrdtool graph - \
> --imgformat=PNG \
> --start=1360036161 \
> --end=1360122561 \
> --title='XXXXXXXXXXXXXXXXXXXXXXXXXXXXX' \
> --base=1000 \
> --height=120 \
> --width=500 \
> --alt-autoscale --alt-y-grid \
> COMMENT:"From 2013/02/04 20\:49\:21 To 2013/02/05 20\:49\:21\c" \
> COMMENT:"  \n" \
> --vertical-label='amps' \
> --slope-mode \
> --font TITLE:10: \
> --font AXIS:8: \
> --font LEGEND:8: \
> --font UNIT:8: \
> DEF:a="XXXXXXXXXXXXXXXXXXXXX.rrd":currenta:AVERAGE \
> DEF:b="XXXXXXXXXXXXXXXXXXXXX.rrd":currentb:AVERAGE \
> DEF:c="XXXXXXXXXXXXXXXXXXXXX.rrd":currentc:AVERAGE \
> CDEF:cdefa=a,10,/ \
> CDEF:cdeff=b,10,/ \
> CDEF:cdefba=c,10,/ \
> LINE1:cdefa#000000FF:"Phase A\:"  \
> GPRINT:cdefa:LAST:"Current\:%8.2lf %s"  \
> GPRINT:cdefa:MIN:"Min\:%8.2lf %s"  \
> GPRINT:cdefa:AVERAGE:"Avg\:%8.2lf %s"  \
> GPRINT:cdefa:MAX:"Max\:%8.2lf %s\n"  \
> LINE1:cdeff#FF0000FF:"Phase B\:"  \
> GPRINT:cdeff:LAST:"Current\:%8.2lf %s"  \
> GPRINT:cdeff:MIN:"Min\:%8.2lf %s"  \
> GPRINT:cdeff:AVERAGE:"Avg\:%8.2lf %s"  \
> GPRINT:cdeff:MAX:"Max\:%8.2lf %s\n"  \
> LINE1:cdefba#0000FFFF:"Phase C\:"  \
> GPRINT:cdefba:LAST:"Current\:%8.2lf %s"  \
> GPRINT:cdefba:MIN:"Min\:%8.2lf %s"  \
> GPRINT:cdefba:AVERAGE:"Avg\:%8.2lf %s"  \
> GPRINT:cdefba:MAX:"Max\:%8.2lf %s\n"
>
>
>

--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch [hidden email] ++41 62 775 9902 / sb: -9900

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Re: alt-y-grid buggy?

Eric Schoeller
Tobi,

Gave that a shot, there was no change in the graph I attached previously.

Eric

On 02/06/13 00:15, Tobias Oetiker wrote:

> Hi Eric,
>
> can you try the 1.4 branch from github ?
>
> cheers
> tobi
>
>
> Yesterday Eric Schoeller wrote:
>
>> Hi,
>>
>> I just switched over to using alt-y-grid within our large Cacti
>> infrastructure. The immediate perception was excellent, I started getting a
>> lot more meaningful scales on the y-grid. As I have been thumbing around
>> through other graphs I have started to see some inconsistency. I have some
>> graphs where the y-axis just doesn't make sense, and I can't understand why
>> rrdtool would select the grids that it did. See the attachment for an example.
>> Why do I only have "50" and "52" ?
>>
>> We are running rrdtool 1.4.7. Here is the command line that created the
>> attached graph:
>>
>> /usr/local/rrdtool/bin/rrdtool graph - \
>> --imgformat=PNG \
>> --start=1360036161 \
>> --end=1360122561 \
>> --title='XXXXXXXXXXXXXXXXXXXXXXXXXXXXX' \
>> --base=1000 \
>> --height=120 \
>> --width=500 \
>> --alt-autoscale --alt-y-grid \
>> COMMENT:"From 2013/02/04 20\:49\:21 To 2013/02/05 20\:49\:21\c" \
>> COMMENT:"  \n" \
>> --vertical-label='amps' \
>> --slope-mode \
>> --font TITLE:10: \
>> --font AXIS:8: \
>> --font LEGEND:8: \
>> --font UNIT:8: \
>> DEF:a="XXXXXXXXXXXXXXXXXXXXX.rrd":currenta:AVERAGE \
>> DEF:b="XXXXXXXXXXXXXXXXXXXXX.rrd":currentb:AVERAGE \
>> DEF:c="XXXXXXXXXXXXXXXXXXXXX.rrd":currentc:AVERAGE \
>> CDEF:cdefa=a,10,/ \
>> CDEF:cdeff=b,10,/ \
>> CDEF:cdefba=c,10,/ \
>> LINE1:cdefa#000000FF:"Phase A\:"  \
>> GPRINT:cdefa:LAST:"Current\:%8.2lf %s"  \
>> GPRINT:cdefa:MIN:"Min\:%8.2lf %s"  \
>> GPRINT:cdefa:AVERAGE:"Avg\:%8.2lf %s"  \
>> GPRINT:cdefa:MAX:"Max\:%8.2lf %s\n"  \
>> LINE1:cdeff#FF0000FF:"Phase B\:"  \
>> GPRINT:cdeff:LAST:"Current\:%8.2lf %s"  \
>> GPRINT:cdeff:MIN:"Min\:%8.2lf %s"  \
>> GPRINT:cdeff:AVERAGE:"Avg\:%8.2lf %s"  \
>> GPRINT:cdeff:MAX:"Max\:%8.2lf %s\n"  \
>> LINE1:cdefba#0000FFFF:"Phase C\:"  \
>> GPRINT:cdefba:LAST:"Current\:%8.2lf %s"  \
>> GPRINT:cdefba:MIN:"Min\:%8.2lf %s"  \
>> GPRINT:cdefba:AVERAGE:"Avg\:%8.2lf %s"  \
>> GPRINT:cdefba:MAX:"Max\:%8.2lf %s\n"
>>
>>
>>

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