SF.net SVN: matplotlib:[5783] trunk/matplotlib/examples/pylab_examples/ dolphin.py

[<jd...@us...>]

Revision: 5783
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5783&view=rev
Author:   jdh2358
Date:     2008-07-17 19:38:32 +0000 (Thu, 17 Jul 2008)

Log Message:
-----------
added Michael's dolphin patch

Added Paths:
-----------
    trunk/matplotlib/examples/pylab_examples/dolphin.py

Added: trunk/matplotlib/examples/pylab_examples/dolphin.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/dolphin.py	                        (rev 0)
+++ trunk/matplotlib/examples/pylab_examples/dolphin.py	2008-07-17 19:38:32 UTC (rev 5783)
@@ -0,0 +1,83 @@
+import matplotlib.pyplot as plt
+from matplotlib.patches import Circle, PathPatch
+from matplotlib.path import Path
+from matplotlib.transforms import Affine2D
+import numpy as np
+
+r = np.random.rand(50)
+t = np.random.rand(50) * np.pi * 2.0
+x = r * np.cos(t)
+y = r * np.sin(t)
+
+fig = plt.figure(figsize=(6,6))
+ax = plt.subplot(111)
+circle = Circle((0, 0), 1, facecolor=(0,0,0.8),
+                edgecolor=(0,0.8,0.8), linewidth=3, alpha=0.5)
+ax.add_patch(circle)
+
+plt.plot(x, y, 'o', color=(0.9, 0.9, 1.0), alpha=0.8)
+
+# Dolphin from OpenClipart library by Andy Fitzsimon
+#       <cc:License rdf:about="http://web.resource.org/cc/PublicDomain">
+#         <cc:permits rdf:resource="http://web.resource.org/cc/Reproduction"/>
+#         <cc:permits rdf:resource="http://web.resource.org/cc/Distribution"/>
+#         <cc:permits rdf:resource="http://web.resource.org/cc/DerivativeWorks"/>
+#       </cc:License>
+
+dolphin = """
+M -0.59739425,160.18173 C -0.62740401,160.18885 -0.57867129,160.11183
+-0.57867129,160.11183 C -0.57867129,160.11183 -0.5438361,159.89315
+-0.39514638,159.81496 C -0.24645668,159.73678 -0.18316813,159.71981
+-0.18316813,159.71981 C -0.18316813,159.71981 -0.10322971,159.58124
+-0.057804323,159.58725 C -0.029723983,159.58913 -0.061841603,159.60356
+-0.071265813,159.62815 C -0.080250183,159.65325 -0.082918513,159.70554
+-0.061841203,159.71248 C -0.040763903,159.7194 -0.0066711426,159.71091
+0.077336307,159.73612 C 0.16879567,159.76377 0.28380306,159.86448
+0.31516668,159.91533 C 0.3465303,159.96618 0.5011127,160.1771
+0.5011127,160.1771 C 0.63668998,160.19238 0.67763022,160.31259
+0.66556395,160.32668 C 0.65339985,160.34212 0.66350443,160.33642
+0.64907098,160.33088 C 0.63463742,160.32533 0.61309688,160.297
+0.5789627,160.29339 C 0.54348657,160.28968 0.52329693,160.27674
+0.50728856,160.27737 C 0.49060916,160.27795 0.48965803,160.31565
+0.46114204,160.33673 C 0.43329696,160.35786 0.4570711,160.39871
+0.43309565,160.40685 C 0.4105108,160.41442 0.39416631,160.33027
+0.3954995,160.2935 C 0.39683269,160.25672 0.43807996,160.21522
+0.44567915,160.19734 C 0.45327833,160.17946 0.27946869,159.9424
+-0.061852613,159.99845 C -0.083965233,160.0427 -0.26176109,160.06683
+-0.26176109,160.06683 C -0.30127962,160.07028 -0.21167141,160.09731
+-0.24649368,160.1011 C -0.32642366,160.11569 -0.34521187,160.06895
+-0.40622293,160.0819 C -0.467234,160.09485 -0.56738444,160.17461
+-0.59739425,160.18173
+"""
+
+vertices = []
+codes = []
+parts = dolphin.split()
+i = 0
+code_map = {
+    'M': (Path.MOVETO, 1),
+    'C': (Path.CURVE4, 3),
+    'L': (Path.LINETO, 1)
+    }
+
+while i < len(parts):
+    code = parts[i]
+    path_code, npoints = code_map[code]
+    codes.extend([path_code] * npoints)
+    vertices.extend([[float(x) for x in y.split(',')] for y in parts[i+1:i+npoints+1]])
+    i += npoints + 1
+vertices = np.array(vertices, np.float)
+vertices[:,1] -= 160
+
+dolphin_path = Path(vertices, codes)
+dolphin_patch = PathPatch(dolphin_path, facecolor=(0.6, 0.6, 0.6),
+                          edgecolor=(0.0, 0.0, 0.0))
+ax.add_patch(dolphin_patch)
+
+vertices = Affine2D().rotate_deg(60).transform(vertices)
+dolphin_path2 = Path(vertices, codes)
+dolphin_patch2 = PathPatch(dolphin_path2, facecolor=(0.5, 0.5, 0.5),
+                           edgecolor=(0.0, 0.0, 0.0))
+ax.add_patch(dolphin_patch2)
+
+plt.show()


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