How to build 3D antenna gain plot from 2D measured Horizontal and Vertical data

[Leo_T]

Hello

This question comes up from time to time on this forum but I would like to ask again.
I want to build a 3D antenna radiation pattern plot. I have two files  measurements of the vertical and horizontal polarization of the antenna in polar coordinates.
 The question is how to build from them 3D image. Please find  attached file with  data. First column of data is azimuth  [deg.] from 0 to 359.9 [deg.] , second column is antenna gain [dBi]. 
 Thanks in Advance

[altenbach]

(Please don't use code tags for plain text!)

Maybe start with a polar plot?

[Leo_T]

Hello

Thanks for your advising. What will be next step of conversion from 2D polar plots to 3D plot?

[altenbach]

You can use a parametric 3D surface plot. You could do an isosurface or do a sphere with a color coded surface.