The Penrose-Staircase-Generator calculates the n-th Impossible-Staircase and displays its image on the computer-screen.
For browser-based livedemo visit https://ferdinandlehr.de/mathematik/penrose-staircase-calculator/
PSTAIRS.PY - The python-module that contains the PenroseStaircase-class.
VPSTAIRS.PY - The viewer for displaying the n-th Penrose-Staircase on screen.
(Requires the module pstairs.py (see above) and the external module graphics.py by John Zelle http://mcsp.wartburg.edu/zelle/python)
Usage: python vpstairs.py -n
PSTAIR_VIEWER.CFDG - For hires screen-display with "Context-Free-Art", a free software for visualizing geometric objects with a context-free grammar. See https://www.contextfreeart.org
Written 2022 by F. Lehr
