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Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

UPDATE: Now, Using Kusalananda's answer I now get the below and here's the sorted data

Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

UPDATE: Now, Using Kusalananda's answer I now get the below

Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

UPDATE: Now, Using Kusalananda's answer I now get the below and here's the sorted data

Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

Here I have a data which I would to plot with line using Gnuplot. Using the code

pl 'Sphere_ISOTEST_data.txt' w p

I get below figure

but, using

pl 'Sphere_ISOTEST_data.txt' w l

I get the following:

Can anyone suggest as to how to sort the data such that I can plot w l and get only the circumference of the circle.

UPDATE: Now, Using Kusalananda's answer I now get the below