How to change point size and shape and color in gnuplot.
plot "./points.dat" using 1:2 title with dots
I am using above command to plot graph ,but it shows very small size points.
I tried to use command
set pointsize 20
but still point size is same.
This question is related to
gnuplot
Use the pointtype and pointsize options, e.g.
plot "./points.dat" using 1:2 pt 7 ps 10
where pt 7 gives you a filled circle and ps 10 is the size.
See: Plotting data.
The pointsize command scales the size of points, but does not affect the size of dots.
In other words, plot ... with points ps 2 will generate points of twice the normal size, but for plot ... with dots ps 2 the "ps 2" part is ignored.
You could use circular points (pt 7), which look just like dots.
Source: Stackoverflow.com