Thus, the GAM-smoothed bivariate polar plot in bivapp is not a perfect replication of openair 's smoothed plots, but does appear to achieve the same goal of producing a reasonably smoothed plot. Even ...

Python code that can plot, shade, and compute area in polar coordinates. polar_plotting_and_area.py has three functions. pplot () plots a function in terms of theta (r = sin (theta), for example).