automatically set xrange in gnuplot

Question

Is there any way to set automaticaly xrange in gnuplot base on how many lines have my datafile ? I tried autoscale but it still let me few centimeters of free space at the end of my plot. I mean something like

set xrange ["0":"EOF"]

datafile sample:

0|18:33:56|5.6094713|-2.5295162|0.05702305
1|18:33:56|5.506433|-1.9757175|0.25703526
2|18:33:56|5.7228355|-1.7813735|0.59802055
3|18:33:56|5.8039265|-1.6758609|0.97007275
4|18:33:56|5.675423|-1.581326|1.2965202
5|18:33:56|5.3796544|-1.4743104|1.4236889

Can I put some mark at the end of datafile and set it in gnuplot or ?

Christoph · Accepted Answer · 2014-12-23 12:35:18Z

5

To have a tightly fitted xrange, use

set autoscale xfix

answered Dec 23, 2014 at 12:35

Christoph

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1 Comment

Mirko Over a year ago

Tnaks this is what i needed ;)

DragonHu · Accepted Answer · 2014-12-23 04:15:08Z

4

If your gnuplot's version is 4.6 or later, you can use stats command

stats 'datafile' using 1
set xrange [0:STATS_records]

You can also use other statistical variables such as STATS_min, STATS_max. For more information, type help stats in your gnuplot's prompt.

answered Dec 23, 2014 at 4:15

DragonHu

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1 Comment

DragonHu Over a year ago

I think it should work as I tested with my data. You can check it by print STATS_records or print STATS_min in gnuplot's prompt after the stats command. Of course the answer of @Christoph is much better.

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