4

I have a data file like in four columns representing x1, y1, x2, y2.

e.g

1 2 3 4
2 3 4 5
3 4 5 6
4 5 6 7

etc.

Now I want to plot line segments using (x1,y1) and (x2,y2) as end points of the line segments. Thus I shall get 4 line segments from the above data file.

How can I achieve this using gnuplot ?

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2 Answers 2

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13

You can simply do

dataf = 'yourfilename.dat'
plot dataf using 1:2:($3-$1):($4-$2) with vectors nohead

without changing your original data file.

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Comments

0

You can do this easily.

1 2
3 4

2 3
4 5
...

does this. You just need to add an extra line between each set of cordinates.

Hope this hepls.

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2 Comments

@FlorianPrud'homme no idea
perhaps, the guy wanted a plot command like : "plot 'filename' with linespoints ls 1"

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