Open a window and nicely graph the content of a blc_channel.
sudo apt-get install gnuplot
- Mac OSX:
brew install gnuplot --with-qt
o_gnuplot <channel> graphs the content of the channel.
By default the graph is refreshed at 10Hz, you can change the period using
You may want to graph the evolution of data over the time. You precise how many past values you want to display with
By default they are updated each 10ms, change it with
i_keyboard | o_gnuplot -H1000 displays the changes with your keyboard (see bapps) with a history of 10 seconds (1000
-H values of 10ms
To change the values you must be focus on the terminal.
You can change the type of display ( default lines) using the
-w option e.g. dots or boxes. For more information about the with option see gnuplot documenton.
Change any setting of gnuplot using
o_gnuplot -w "boxes" -t "set boxwidth 0.9 absolute; set key left".
This sets a boxwidth of 0.9 and puts the legend on the left.
- gnuplot Quick Reference Summary of th main functions.
- gnuplot Official website
- gnuplotting Nice blogs with lot of original exemples
- Complete pdf manual
- Impossible gnuplot graphs see specifically stats function (syntax is deprecated but the principle is there)
- not so Frequently Asked Questions
- gnuplot surprising A bit old (2012) but interesting