3-D radiation pattern

Hi,

I have do have a set of data including azimuth, elevation that are in degrees and amplitude. I am just trying to get a 3-D scatter plot with these data and this is what I am getting after converting into Cartesian form.

But I am supposed to get something similar like below,

Are there any useful functions I can use to generate 3-D radiation pattern? I am using Matlab R2013a

Thank you