From e814dad98db5611ce055339499f2578f2c380c71 Mon Sep 17 00:00:00 2001
From: fpi
Date: Fri, 27 Nov 2020 10:58:55 +0100
Subject: Add rgb function

---
 gnuplot.org | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'gnuplot.org')

diff --git a/gnuplot.org b/gnuplot.org
index 04973f5..0146e61 100644
--- a/gnuplot.org
+++ b/gnuplot.org
@@ -26,6 +26,11 @@ 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
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