Greetings, I'm new to gnuplot 5.4 patchlevel 1 on Debian 11, and am hoping for suggestions about different ways to visualize timestamp data and gnuplot code implementation of same. Your patient help is much appreciated, as it's obvious that I have much to learn.
The timestamp data are extracted from a dynamic text file and presented on stdin, which will eventually include a year. These data can be reformatted to whatever is easiest to work with for a time series plot, such as 20230117:134201 or any other you might suggest :
...
Jan 17 13:42:01
Jan 19 13:22:05
Jan 20 09:35:34
Jan 30 16:04:24
Feb 01 13:29:46
...
Feb 14 14:34:46
Feb 14 14:37:15
Feb 14 14:38:11
Feb 14 14:40:24
Feb 14 14:41:31
...
I'd like to visualize these timestamps as perhaps a 3D plot with dates as one dimension, time of day as a second dimension in order get a broad sense of what time of day these radio transmissions are occurring over a span of days, weeks or months.
I'm imagining that I will have to pipe these data into a gnuplot script that will state such things as:
timestamp = "<cat"
set xdata time
set ydata time
Heat map? Fence plot? I'm grateful for whatever opinions or guidance you're willing to provide while I learn gnuplot.
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Here's what I have so far using a limited dataset as indicated above:
set grid
set xdata time
set timefmt "%b %d %H:%M:%S" # e.g. "Jan 02 22:11:36"
plot "/tmp/fn" using 1:3 title "test of fn-plot" with circles
(limited sample data file attached)
This seems to be a fair start, but it would be better if the %H:%M:%S values on the ordinate axis were decimal rather than integer hours. Would someone advise on how to do that, please?
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If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Greetings, I'm new to gnuplot 5.4 patchlevel 1 on Debian 11, and am hoping for suggestions about different ways to visualize timestamp data and gnuplot code implementation of same. Your patient help is much appreciated, as it's obvious that I have much to learn.
The timestamp data are extracted from a dynamic text file and presented on stdin, which will eventually include a year. These data can be reformatted to whatever is easiest to work with for a time series plot, such as 20230117:134201 or any other you might suggest :
I'd like to visualize these timestamps as perhaps a 3D plot with dates as one dimension, time of day as a second dimension in order get a broad sense of what time of day these radio transmissions are occurring over a span of days, weeks or months.
I'm imagining that I will have to pipe these data into a gnuplot script that will state such things as:
timestamp = "
<cat"set xdata time
set ydata time
Heat map? Fence plot? I'm grateful for whatever opinions or guidance you're willing to provide while I learn gnuplot.
Here's what I have so far using a limited dataset as indicated above:
(limited sample data file attached)
This seems to be a fair start, but it would be better if the %H:%M:%S values on the ordinate axis were decimal rather than integer hours. Would someone advise on how to do that, please?
Is there a better place to ask usage questions, please?
Mailing Lists
The gnuplot mailing lists are currently operated through the general
development site on SourceForge.net. Subscribe to mailing lists via
the web interface at
The lists you may be interested in are "gnuplot-info" and "gnuplot-beta".
"gnuplot-info" is for general discussion and questions about how to use
the program. "gnuplot-beta" is for discussion about possible new features,
plans for future work, release schedules, or other development issues.
O well, You are at a right place. Yes your can create time stamps of the whole year using bamboo plugin link, its the easiest way now a days.