tAdded heptagon example - polygen - generative drawing of polygonal patterns
 (HTM) git clone git://src.adamsgaard.dk/polygen
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       ---
 (DIR) commit 9e73797f4d2c77720bc8e663f0358c4a29b4b8eb
 (DIR) parent 46442c18b7746cda50d38db5bf5813645b128764
 (HTM) Author: Anders Damsgaard <anders.damsgaard@geo.au.dk>
       Date:   Fri, 14 Mar 2014 13:20:01 +0100
       
       Added heptagon example
       
       Diffstat:
         M README.rst                          |      11 ++++++++++-
         A heptagon.png                        |       0 
         A heptagon.py                         |      52 +++++++++++++++++++++++++++++++
       
       3 files changed, 62 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/README.rst b/README.rst
       t@@ -11,7 +11,8 @@ Written by Anders Damsgaard, https://github.com/anders-dc/polygen
        Examples
        --------
        
       -``python decagon.py``
       +``python decagon.py``.
       +A simple regular star polygon with 10 corners, plotted with all-to-all edges.
        
        .. image:: decagon.png
           :scale: 60%
       t@@ -26,3 +27,11 @@ Inspired by a polygon in the music video for Volto! - Tocino.
           :scale: 60%
           :alt: Octahedron with filled circle. Opposite corners are not connected.
           :align: center
       +
       +``python heptagon.py``.
       +Multiple superimposed regular star polygons.
       +
       +.. image:: heptagon.png
       +   :scale: 60%
       +   :alt: Multiple superimposed regular star polygons.
       +   :align: center
 (DIR) diff --git a/heptagon.png b/heptagon.png
       Binary files differ.
 (DIR) diff --git a/heptagon.py b/heptagon.py
       t@@ -0,0 +1,52 @@
       +#!/usr/bin/env python
       +import polygen
       +import matplotlib.pyplot as plt
       +
       +# Colors from the 'solarized' color scheme
       +
       +# Generate regular polygon with eight corners (heptagon)
       +heptagon = polygen.regular_star_polygon(7)
       +
       +# Create the polygon plotting object
       +p = polygen.polyplot()
       +
       +# Pass the heptagon points to the plot object
       +p.set_points(heptagon.points)
       +
       +# Plot heptagon, do not draw lines to opposite points. Use custom colors.
       +p.plot_all_to_all(line_width=2, line_color='#b58900',
       +        exceptions=[[0,1], [1,2], [2,3], [3,4], [4,5], [5,6], [6,0]])
       +
       +# Add another smaller heptagon
       +heptagon_small = polygen.regular_star_polygon(7, 0.7)
       +
       +# Pass the heptagon points to the plot object
       +p.set_points(heptagon_small.points)
       +
       +# Plot heptagon, do not draw lines to opposite points. Use custom colors.
       +p.plot_all_to_all(line_width=2, line_color='#dc322f',
       +        exceptions=[[0,1], [1,2], [2,3], [3,4], [4,5], [5,6], [6,0]])
       +
       +# Add yet another even smaller heptagon
       +heptagon_smaller = polygen.regular_star_polygon(7, 0.5)
       +
       +# Pass the heptagon points to the plot object
       +p.set_points(heptagon_smaller.points)
       +
       +# Plot heptagon, do not draw lines to opposite points. Use custom colors.
       +p.plot_all_to_all(line_width=2, line_color='#859900',
       +        exceptions=[[0,1], [1,2], [2,3], [3,4], [4,5], [5,6], [6,0]])
       +
       +# Add yet another even smaller heptagon
       +heptagon_smallest = polygen.regular_star_polygon(7, 0.3)
       +
       +# Pass the heptagon points to the plot object
       +p.set_points(heptagon_smallest.points)
       +
       +# Plot heptagon, do not draw lines to opposite points. Use custom colors.
       +p.plot_all_to_all(line_width=2, line_color='#268bd2',
       +        exceptions=[[0,1], [1,2], [2,3], [3,4], [4,5], [5,6], [6,0]])
       +
       +# Save figure as file
       +p.save_plot('heptagon', background_color='#002b36',
       +        transparent_background=False)