Re: [Gnuplot-info] relative second time data

[Ico <gn...@ze...>]

* On 2015-10-21 16:23:06 +0200, Marek W. Gutowski wrote:
 
> "%S" breaks at 60, not 100.  You didn't read gnuplot's help, did you?

My apologies if I seem ignorant, but I did read all that before posting,
which is why I was using %s and not %S in the first place. Testing shows
that %S works well up to 99, and not 59 however. The documentation of
timefmt says about %S:

       %S           second, integer 0--60 on output, (double) on input

Which implies that output is limited from 0 to 60, but input is not.

> Anyway, the time format is tricky, I agree.

It seems, because I still can't get it right.

> Start your commands with
> gnuplot> set xdata time                               # this is concerns input data
> gnuplot> set format x "%H:%M:%S"           # this is for ticks at plot's x axis, 
> maybe "%M:%S" will suit you better?
> gnuplot> set timefmt "%s"                           # lower case, input data format
> Now you may check:
> gnuplot> show format
> gnuplot> show timefmt
> and, if satisfied, proceed with your "plot" command.
> I see a straight line, bingo!

Well, that's funny, I don't! The following snippet still gives me a
crooked line:

http://i.imgur.com/xaEOyPm.jpg

-------------------------
set xdata time
set format x "%M:%S"
set timefmt "%s"
show format
show timefmt

plot "-" using 1:2 with lp
1       0.5
2       1
3       1.5
4       2
5       2.5
6       3
EOT
---------------------------

Output of 'show format' and 'show timefmt'

tic format is:
  x-axis: "%M:%S"
  y-axis: "% g"
  x2-axis: "% g"
  y2-axis: "% g"
  z-axis: "% g"
  cb-axis: "% g"
  r-axis: "% g"


read format for time on x axis is "%S"
read format for time on t axis is "%S"
read format for time on u axis is "%S"

 

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