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# -*- coding: utf-8-unix -*-
#+PROPERTY: header-args:gnuplot :tangle tangle/.gnuplot :eval query
* Symlink
First create a symlink to the desired config location.
#+begin_src shell :results silent :tangle tangle/symlink.sh :shebang "#!/bin/bash"
ln -siv $(pwd)/tangle/.gnuplot ~/
#+end_src
* Main configuration
#+begin_src gnuplot
reset
set style line 1 lc rgb '#cb1a0e' pt 1 ps 1 lt 1 lw 2 # --- red
set style line 2 lc rgb '#5e9c36' pt 6 ps 1 lt 1 lw 2 # --- green
set style line 3 lc 3 pt 1 ps 1 lt 1 lw 2 # --- blue
set style line 4 lc 7 pt 6 ps 1 lt 1 lw 2 # --- black
set style line 5 lc 9 pt 1 ps 1 lt 1 lw 2 # --- grey
set style line 6 lc 4 pt 1 ps 1 lt 1 lw 2 # --- pink
set style line 11 lc rgb '#808080' lt 1
set border 3 back ls 11
set tics nomirror
set style line 12 lc rgb '#808080' lt 0 lw 1
set grid back ls 12
set style increment user
set style data lp
set macros
#+end_src
Here is a handy function to define colors with individual rgb integers instead of the hex notation. Example usage: ~plot x w l lc rgb rgb(255,80,0)~. Alternatively gnuplot also supports hsv colors with ~hsv2rgb(h,s,v)~.
#+begin_src gnuplot
rgb(r,g,b) = 65536 * int(r) + 256 * int(g) + int(b)
#+end_src
* Interactive Label Placement
[[http://www.gnuplotting.org/interactive-label-placing/][Source]]. I adapted the =label_loop= function to newer gnuplot syntax &
added functionality for multiple arguments. The function call to
=label_loop= is stored inside a string and can then be executeds as a
macro like this: src_gnuplot{@iLabel "label1" "label2"}.
#+begin_src gnuplot
iLabel = "call '~/git/projects/dotfiles/tangle/label_loop.gp "
#+end_src
#+begin_src gnuplot :tangle tangle/label_loop.gp
# label_loop
# This loop adds a label to a plot by pressing the left mouse key.
# If you are not convinced with your chosen position, just klick the mouse key
# again and it will be positioned at another place. If you are finished, just
# press another key.
#
# Original AUTHOR: Hagen Wierstorf
# Initialize a label number
if (!exists("label_number")) { label_number = 1 }
do for [ELEMENT in ARG1." ".ARG2." ".ARG3." ".ARG4." ".ARG5] {
while (1) {
# Waiting for the key press
pause mouse any ELEMENT
# Check if the left mouse key is pressed and add the given label to the plot.
# Otherwise stop the loop and count the added label
if( MOUSE_BUTTON==1 ) {
set label label_number ELEMENT at MOUSE_X,MOUSE_Y textcolor ls 1
print " at ",MOUSE_X,MOUSE_Y
replot
} else {
label_number = label_number+1
print "\n"
break
}
}
}
#+end_src
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