Merge pull request matplotlib#7386 from NelleV/numpy_seed

DOC/ENH: examples are now reproducible

Author: tacaswell

examples/animation/basic_example.py

@@ -18,6 +18,9 @@ def update_line(num, data, line):
 
 fig1 = plt.figure()
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
 data = np.random.rand(2, 25)
 l, = plt.plot([], [], 'r-')
 plt.xlim(0, 1)

examples/animation/basic_example_writer.py

@@ -20,6 +20,10 @@ def update_line(num, data, line):
     line.set_data(data[..., :num])
     return line,
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 # Set up formatting for the movie files
 Writer = animation.writers['ffmpeg']
 writer = Writer(fps=15, metadata=dict(artist='Me'), bitrate=1800)

examples/animation/bayes_update.py

@@ -51,6 +51,10 @@ def __call__(self, i):
         self.line.set_data(self.x, y)
         return self.line,
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 fig, ax = plt.subplots()
 ud = UpdateDist(ax, prob=0.7)
 anim = FuncAnimation(fig, ud, frames=np.arange(100), init_func=ud.init,

examples/animation/histogram.py

@@ -16,6 +16,9 @@
 
 fig, ax = plt.subplots()
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
 # histogram our data with numpy
 data = np.random.randn(1000)
 n, bins = np.histogram(data, 100)

examples/animation/moviewriter.py

@@ -17,6 +17,10 @@
 import matplotlib.pyplot as plt
 import matplotlib.animation as manimation
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 FFMpegWriter = manimation.writers['ffmpeg']
 metadata = dict(title='Movie Test', artist='Matplotlib',
                 comment='Movie support!')

examples/animation/rain.py

@@ -12,6 +12,9 @@
 import matplotlib.pyplot as plt
 from matplotlib.animation import FuncAnimation
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
 
 # Create new Figure and an Axes which fills it.
 fig = plt.figure(figsize=(7, 7))

examples/animation/random_data.py

@@ -11,6 +11,10 @@
 import matplotlib.pyplot as plt
 import matplotlib.animation as animation
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 fig, ax = plt.subplots()
 line, = ax.plot(np.random.rand(10))
 ax.set_ylim(0, 1)

examples/animation/simple_3danim.py

@@ -10,6 +10,9 @@
 import mpl_toolkits.mplot3d.axes3d as p3
 import matplotlib.animation as animation
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
 
 def Gen_RandLine(length, dims=2):
     """

examples/animation/strip_chart_demo.py

@@ -47,6 +47,10 @@ def emitter(p=0.03):
         else:
             yield np.random.rand(1)
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 fig, ax = plt.subplots()
 scope = Scope(ax)
 

examples/animation/unchained.py

@@ -12,6 +12,10 @@
 import matplotlib.pyplot as plt
 import matplotlib.animation as animation
 
+# Fixing random state for reproducibility
+np.random.seed(19680801)
+
+
 # Create new Figure with black background
 fig = plt.figure(figsize=(8, 8), facecolor='black')