Gnuplot vs matlab plot streamlines

Question

I am making a stream function plot with the following data points in gnuplot:

My gnuplot code is working, but it plots to few streamlines compared when i plot it in matlab. See picture: (matlab plot on the left, gnuplot on the right)

Is there a way, so gnuplot can plot more streamlines? So the plot becomes more similar to the matlab plot

Matthew · Accepted Answer · 2016-03-12 19:18:04Z

3

Gnuplot has several options for adjusting how contours are drawn. In your case, you need to adjust the levels option.

If we do

set cntrparam levels auto 10

and then plot we get

See help cntrparam for more details.

answered Mar 12, 2016 at 19:18

Matthew

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2 Comments

euroshopper Over a year ago

Nice thank you :) And a little side note, your plot is prettier than mine, is there a reason for that? Your streamlines appear more smooth, and mine more "pixel bumpy" like. imgur.com/258W3da

Matthew Over a year ago

@euroshopper It's probably just the resolution on the terminal I used (wxt). Other than that one extra command, I just ran the commands you provided.

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