Simulate scanning a 'C'
Plot Z without inserting NaNs first
Add visible_lines to find visible parts of a polygon given a viewing angle
Replace ShapeInserter with poly2mask
Subtract a small offset to compensate for finite grid resolution
Special case of p1 == p2 in draw line
Remove unused coordinate system
indentation
Introduce PSDF: plot_psdf, psdf_polygon, psdf_polygon_ground_truth
Add psdf figures, reduce trunc_dist, reorder figures
New parameter prob_range instead of trunc_dist in psdf functions
Filter out infinitesimal line segments in visible_lines
Rename smoothW to linear_weighting
Parameter for number of discrete angles for one full turn