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--- software:gnuplot [2016/02/26 13:34]
cyril [Plot data from a file]
+++ software:gnuplot [2024/04/19 09:52]
cyril columnheader
@@ Line 59: / Line 59: @@
 set x2label ""
 set y2label ""
+</code>
+  * Log scale.<code gnuplot>
+set logscale x 2
+set logscale y 10
 </code>
@@ Line 163: / Line 168: @@
 plot "data1.dat" using 4:5 lt rgb "red"
 plot "data1.dat" using 4:5 lt rgb "#FF0000"
+</code>
+  * **palette** Colors as value.<code gnuplot>
+set palette defined (0 "black", 1 "red")
+plot "data1.dat" using 1:2:0 w p palette
 </code>
@@ Line 227: / Line 237: @@
 plot for [file in "run1.dat run2.dat run3.dat"] file using 1:2
 </code><code gnuplot>
-plot for [i=1:3] run.dat using i
+plot for [i=1:3] run.dat using i t sprintf("curve %s", columnheader(i))
 </code><code gnuplot>
 file(n) = sprintf("run_%d.dat",n)