An S4 class to define the polar grid coordinates system.

Slots

polar_grid: The coordinates for the cylindrical grid segments with x,y,z coordinates
axes: The axes features for 'plotly'
axis_labs: The axis labels
r: The grid radius
z: The grid height
text_coords: data frame for axis label cartesian coordinates (x, y, z)
n_r_breaks: The number of ticks on the r axis
n_z_breaks: The number of ticks on the z axis
r_breaks: The r axis ticks as a numeric
z_breaks: The z axis ticks as a numeric