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ggnuplot formatting

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# 1  
Old 10-20-2011
ggnuplot formatting
hello,

I'm building a chart using gnuplot. it outputs a file just fine, but the data I'm plotting looks like:

Code:
10/16/11-18:14:23 5:5:4 0
10/16/11-22:48:43 5:5:4 0
10/17/11-03:23:01 5:5:4 1
10/17/11-07:57:20 5:5:4 63
10/17/11-12:31:42 5:5:4 1
10/17/11-17:06:02 5:5:4 1
10/17/11-21:40:21 5:5:4 1
10/18/11-02:14:40 5:5:4 455
10/18/11-06:49:01 5:5:4 0
10/18/11-11:23:19 5:5:4 1
10/18/11-15:57:39 5:5:4 0
10/18/11-20:31:58 5:5:4 1
10/19/11-01:06:17 5:5:4 66
10/19/11-05:40:38 5:5:4 0
10/19/11-10:14:59 5:5:4 0
10/19/11-14:49:18 5:5:4 2


I get the chart it's all good. I get on the x axis, things like: 10/19/11 00:00:00

I would like it to show the timestamp, the fields after the "-" in the first column.

I'm only plotting the first and last columns,
halp?
Last edited by radoulov; 10-20-2011 at 06:29 PM.. Reason: clarity; radoulov: code tags!
# 2  
Old 10-20-2011
You set the time format gnuplot uses with set timefmt. I think the string you want is set timefmt "%m/%d/%y-%H:%M:%S

Quote:
halp?
Please, no netspeak.
This User Gave Thanks to Corona688 For This Post:
kag3ythree
# 3  
Old 10-20-2011
Code:
# gnuplot script file for plotting bandwidth over time
#!/usr/local/bin/gnuplot
reset
set terminal png nocrop enhanced size 768,768 font "/usr/share/fonts/liberation/LiberationMono-Regular.ttf" 10
#set terminal png nocrop enhanced size 768,600 xffffff


set xdata time
set timefmt "%m/%d/%Y-%H:%M:%S"
set format x "%m/%d/%y\n %H:%M:%S"

#set term pdfcairo font "sans,12"
#set term pdfcairo font "Times,12"
#set term pdfcairo font "Times-New-Roman,12"

set xtics auto
set xtics rotate by -45
set ytics auto
set xlabel "Date (mm/dd/yy)"
set ylabel "title"
set style data lines
set title "value for 5:5:4 over time"
set key below
set grid
set size 1.0,1.0


plot "statport_combo.out" using 1:15

the script I use is above. that is the timefmt value I use.
Last edited by radoulov; 10-20-2011 at 06:30 PM.. Reason: Code tags!
# 4  
Old 10-20-2011
Oh, I see, you want tics/bars at the data points and nothing else.

You can title and place arbitrary tics like

Code:
set xtics   ("A" 0.00000, "B" 1.00000, "C" 2.00000, "D" 3.00000)

There doesn't appear to be a way to take tic positions directly from the data.
# 5  
Old 10-20-2011
that makes me a little sad. thank you for the assistance though. even the link you used shows the date 00:00:00 anomaly. I wonder if this is worthy of bringing up to hte dev group.

perhaps I'm missing why this shouldn't work.

---------- Post updated at 02:56 PM ---------- Previous update was at 02:42 PM ----------

it appears that this can work:

http : / / www gnuplot info / demo / timedat html

sorry for the obscuration.
# 6  
Old 10-20-2011
Quote:
Originally Posted by kag3ythree
that makes me a little sad. thank you for the assistance though. even the link you used shows the date 00:00:00 anomaly.
What anomaly? It's doing exactly what it's supposed to do -- mark time at regular intervals, like graph paper.

[edit] ---- Previous update was at 04:19 PM ----------[/SIZE][/COLOR]

Oh, is smaller intervals all you want?

gnuplot doesn't think it has room for anything but marks on the hour. So it marks on the hour.

You can force them smaller with set xtics 1800, 30 minutes * 60 seconds per minutes is 1800 seconds.
# 7  
Old 10-20-2011
it's not what I want it to do though.

I would like to demonstrate how the data points are, at east date/time combination. I appreciate that it's doing as it's told, I just want to tel it something else.

The example I posted (sans "." and extra " ") shows that it'll show somehow the granularity I expect. I also see that it would be simpler if I just just say, map each data point (column 15) to each date/time (column 1), draw. I know it's a lot of data and printing, but this is exactly what I want / expect.

even if its' only showing half hour intervals, and it's 30 inches wide, it's better than showing me the poor resolution in the time sequence.


I just saw your edit, let me attempt that.
Last edited by kag3ythree; 10-20-2011 at 07:34 PM.. Reason: correction
This User Gave Thanks to kag3ythree For This Post:
Corona688
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