ping Tools for Matlab (Greene et al., 2017). Click <List_of_functions.html here>
% for a complete list of functions in AMT. 
% 
% The |pspath| function returns coordinates a path with equal spacing in polar stereographic 
% coordinates. This function might be used to find even spacing for common 
% interpolation points along a satellite ground track. 
% 
%% Syntax
% 
%  [lati,loni] = pspath(lat,lon,spacing) 
%  [xi,yi] = pspath(x,y,spacing) 
%  [...] = pspath(...,'method',InterpolationMethod) 
% 
%% Descrip