Merge pull request matplotlib#13391 from dstansby/ex-remove-colours

Remove colour specification from some examples

Author: jklymak

examples/event_handling/legend_picking.py

@@ -14,8 +14,8 @@
 
 fig, ax = plt.subplots()
 ax.set_title('Click on legend line to toggle line on/off')
-line1, = ax.plot(t, y1, lw=2, color='red', label='1 HZ')
-line2, = ax.plot(t, y2, lw=2, color='blue', label='2 HZ')
+line1, = ax.plot(t, y1, lw=2, label='1 HZ')
+line2, = ax.plot(t, y2, lw=2, label='2 HZ')
 leg = ax.legend(loc='upper left', fancybox=True, shadow=True)
 leg.get_frame().set_alpha(0.4)
 

examples/misc/bbox_intersect.py

@@ -18,7 +18,8 @@
 
 
 left, bottom, width, height = (-1, -1, 2, 2)
-rect = plt.Rectangle((left, bottom), width, height, facecolor="#aaaaaa")
+rect = plt.Rectangle((left, bottom), width, height,
+                     facecolor="black", alpha=0.1)
 
 fig, ax = plt.subplots()
 ax.add_patch(rect)

examples/misc/demo_ribbon_box.py

@@ -1,7 +1,7 @@
 """
-===============
-Demo Ribbon Box
-===============
+==========
+Ribbon Box
+==========
 
 """
 

examples/mplot3d/hist3d.py

@@ -31,6 +31,6 @@
 dx = dy = 0.5 * np.ones_like(zpos)
 dz = hist.ravel()
 
-ax.bar3d(xpos, ypos, zpos, dx, dy, dz, color='b', zsort='average')
+ax.bar3d(xpos, ypos, zpos, dx, dy, dz, zsort='average')
 
 plt.show()

examples/mplot3d/scatter3d.py

@@ -30,11 +30,11 @@ def randrange(n, vmin, vmax):
 
 # For each set of style and range settings, plot n random points in the box
 # defined by x in [23, 32], y in [0, 100], z in [zlow, zhigh].
-for c, m, zlow, zhigh in [('r', 'o', -50, -25), ('b', '^', -30, -5)]:
+for m, zlow, zhigh in [('o', -50, -25), ('^', -30, -5)]:
     xs = randrange(n, 23, 32)
     ys = randrange(n, 0, 100)
     zs = randrange(n, zlow, zhigh)
-    ax.scatter(xs, ys, zs, c=c, marker=m)
+    ax.scatter(xs, ys, zs, marker=m)
 
 ax.set_xlabel('X Label')
 ax.set_ylabel('Y Label')

examples/mplot3d/surface3d_2.py

@@ -24,6 +24,6 @@
 z = 10 * np.outer(np.ones(np.size(u)), np.cos(v))
 
 # Plot the surface
-ax.plot_surface(x, y, z, color='b')
+ax.plot_surface(x, y, z)
 
 plt.show()

examples/pyplots/fig_axes_labels_simple.py

@@ -1,7 +1,7 @@
 """
-======================
-Fig Axes Labels Simple
-======================
+==================
+Simple axes labels
+==================
 
 Label the axes of a plot.
 """
@@ -15,15 +15,14 @@
 ax1.set_title('a sine wave')
 
 t = np.arange(0.0, 1.0, 0.01)
-s = np.sin(2*np.pi*t)
-line, = ax1.plot(t, s, color='blue', lw=2)
+s = np.sin(2 * np.pi * t)
+line, = ax1.plot(t, s, lw=2)
 
 # Fixing random state for reproducibility
 np.random.seed(19680801)
 
 ax2 = fig.add_axes([0.15, 0.1, 0.7, 0.3])
-n, bins, patches = ax2.hist(np.random.randn(1000), 50,
-    facecolor='yellow', edgecolor='yellow')
+n, bins, patches = ax2.hist(np.random.randn(1000), 50)
 ax2.set_xlabel('time (s)')
 
 plt.show()

examples/pyplots/fig_x.py

@@ -1,20 +1,17 @@
 """
-=====
-Fig X
-=====
+=======================
+Adding lines to figures
+=======================
 
-Add lines to a figure (without axes).
+Adding lines to a figure without any axes.
 """
 import matplotlib.pyplot as plt
 import matplotlib.lines as lines
 
 
 fig = plt.figure()
-
 l1 = lines.Line2D([0, 1], [0, 1], transform=fig.transFigure, figure=fig)
-
 l2 = lines.Line2D([0, 1], [1, 0], transform=fig.transFigure, figure=fig)
-
 fig.lines.extend([l1, l2])
 
 plt.show()

examples/pyplots/whats_new_1_subplot3d.py

@@ -21,8 +21,8 @@
 X, Y = np.meshgrid(X, Y)
 R = np.sqrt(X**2 + Y**2)
 Z = np.sin(R)
-surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.jet,
-        linewidth=0, antialiased=False)
+surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.viridis,
+                       linewidth=0, antialiased=False)
 ax.set_zlim3d(-1.01, 1.01)
 
 #ax.w_zaxis.set_major_locator(LinearLocator(10))

examples/shapes_and_collections/artist_reference.py

@@ -1,9 +1,9 @@
 """
 ================================
-Reference for matplotlib artists
+Reference for Matplotlib artists
 ================================
 
-This example displays several of matplotlib's graphics primitives (artists)
+This example displays several of Matplotlib's graphics primitives (artists)
 drawn using matplotlib API. A full list of artists and the documentation is
 available at :ref:`the artist API <artist-api>`.