tAdded circle plotting function to polyplot and example - polygen - generative drawing of polygonal patterns
 (HTM) git clone git://src.adamsgaard.dk/polygen
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       ---
 (DIR) commit dd2cc4f4940e8f0b39ff31dcc03693e80dfa22ba
 (DIR) parent 70cefaf0bd158f8736b267ce085d8057294b726e
 (HTM) Author: Anders Damsgaard <anders.damsgaard@geo.au.dk>
       Date:   Thu, 13 Mar 2014 22:14:48 +0100
       
       Added circle plotting function to polyplot and example
       
       Diffstat:
         M octahedron.py                       |      13 +++++++++++++
         M polygen.py                          |       5 +++++
       
       2 files changed, 18 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/octahedron.py b/octahedron.py
       t@@ -1,9 +1,22 @@
        #!/usr/bin/env python
        import polygen
       +import matplotlib.pyplot as plt
        
       +# Generate regular polygon with eight corners (octahedron)
        octahedron = polygen.regular_star_polygon(8)
       +
       +# Create the polygon plotting object
        p = polygen.polyplot()
       +
       +# Pass the octahedron points to the plot object
        p.set_points(octahedron.points)
       +
       +# Plot octahedron, do not draw lines to opposite points. Use custom colors.
        p.plot_all_to_all(line_width=4, line_color='#666666',
                exceptions=[[0,4], [1,5], [2,6], [3,7]])
       +
       +# Place red dot in center
       +p.plot_circle([0,0], 0.34, color='#993333')
       +
       +# Save figure as file
        p.save_plot(background_color='#333333', transparent_background=False)
 (DIR) diff --git a/polygen.py b/polygen.py
       t@@ -20,6 +20,7 @@ class polyplot:
                    show_axes=False, exceptions=[]):
                self.points = numpy.asarray(self.points)
                self.fig = plt.figure(figsize=figure_size_inches, dpi=dpi)
       +        self.ax = self.fig.add_subplot(1, 1, 1)
                for i in range(self.points.shape[0]):
                    for j in range(self.points.shape[0]):
                        if (i != j and
       t@@ -35,6 +36,10 @@ class polyplot:
                if show_axes == False:
                    plt.axis('off')
        
       +    def plot_circle(self, coord, radius, color='black'):
       +        circ = plt.Circle(coord, radius=radius, color=color)
       +        self.ax.add_patch(circ)
       +
            def save_plot(self, image_name='all_to_all', image_format='png',
                    background_color='white',
                    transparent_background=False):