Polar Plotting of Data

Hi all,

I'm plotting something in polar coordinates for the first time and I need some help.

I'm trying to create a polarpcolor plot of some data: https://www.mathworks.com/matlabcentral/fileexchange/49040-pcolor-in-polar-coordinates

However I'm not sure how to prepare my data for a polar coordinate plot. I have data with one double with mangitudes and one column with the directions:

Mag = .3, .7, .12, .2,...etc

D = 120, 191, 130, 150,...etc

I understand how to create a plot more or less but I don't understand how to format my data from 'z'

Any help is appreciated! I've never created a mesh so I'm a little out of my depth

Answer 1

[Bjorn Gustavsson]

The pcolor in polar coordinates is the polar version of pcolor. For those functions you will need some kind of 2-D surface-like data, Z that depends on x and y (for pcolor) or theta and r (for the polar version). If you have data that you can plot with pcolor, something like this:

pcolor(D,Mag,Z)

Then you can pretty much straightforward plot with the polarPcolor version as well:

polarPcolor(Mag,D,Z)

However, from the description of your data it seems to be a rather unsorted set of directions in a 1-D array, and that will have to be fixed first. Then you also do not describe what type of data you have for Z. Before you explain what type of data for Mag, D and Z you have further advice would be pure guesswork and a waste of time.

HTH