Cleanup "anatomy of a figure"

No visual change.

Author: timhoffm

examples/showcase/anatomy.py

@@ -9,13 +9,13 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-from matplotlib.patches import Circle, Rectangle
+from matplotlib.patches import Circle
 from matplotlib.patheffects import withStroke
 from matplotlib.ticker import AutoMinorLocator, MultipleLocator
 
-royal_blue = "#002082"
 royal_blue = [0, 20/256, 82/256]
 
+
 # make the figure
 
 np.random.seed(19680801)
@@ -25,31 +25,22 @@
 Y2 = 1+np.cos(1+X/0.75)/2
 Y3 = np.random.uniform(Y1, Y2, len(X))
 
-fig = plt.figure(figsize=(8, 8), facecolor='1')
+fig = plt.figure(figsize=(8, 8))
 marg = 0.15
-ax = fig.add_axes([marg, marg, 1-1.8*marg, 1-1.8*marg], aspect=1,
-                  facecolor='1')
-
-
-def minor_tick(x, pos):
-    if not x % 1.0:
-        return ""
-    return f"{x:.2f}"
+ax = fig.add_axes([marg, marg, 1-1.8*marg, 1-1.8*marg], aspect=1)
 
 ax.xaxis.set_major_locator(MultipleLocator(1.000))
 ax.xaxis.set_minor_locator(AutoMinorLocator(4))
 ax.yaxis.set_major_locator(MultipleLocator(1.000))
 ax.yaxis.set_minor_locator(AutoMinorLocator(4))
-# FuncFormatter is created and used automatically
-ax.xaxis.set_minor_formatter(minor_tick)
+ax.xaxis.set_minor_formatter("{x:.2f}")
 
 ax.set_xlim(0, 4)
 ax.set_ylim(0, 4)
 
-ax.tick_params(which='major', width=1.0, labelsize=14)
-ax.tick_params(which='major', length=10, labelsize=14)
-ax.tick_params(which='minor', width=1.0, labelsize=10)
-ax.tick_params(which='minor', length=5, labelsize=10, labelcolor='0.25')
+ax.tick_params(which='major', width=1.0, length=10, labelsize=14)
+ax.tick_params(which='minor', width=1.0, length=5, labelsize=10,
+               labelcolor='0.25')
 
 ax.grid(linestyle="--", linewidth=0.5, color='.25', zorder=-10)
 
@@ -65,89 +56,46 @@ def minor_tick(x, pos):
 
 ax.legend(loc="upper right", fontsize=14)
 
-# Annotate the figure
 
+# Annotate the figure
 
-def just_circle(x, y, radius=0.15):
+def annotate(x, y, text, code, radius=0.15):
+    # Circle marker
     c = Circle((x, y), radius, clip_on=False, zorder=10, linewidth=2.5,
                edgecolor=royal_blue + [0.6], facecolor='none',
                path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
     ax.add_artist(c)
 
-
-def text(x, y, text):
-    ax.text(x, y, text, zorder=100,
+    ax.text(x, y-0.2, text, zorder=100,
             ha='center', va='top', weight='bold', color=royal_blue,
             style='italic', fontfamily='monospace',
             path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
 
-
-def code(x, y, text):
-    ax.text(x, y, text, zorder=100,
+    ax.text(x, y-0.33, code, zorder=100,
             ha='center', va='top', weight='normal', color='0.0',
             fontfamily='Courier New', fontsize='medium',
             path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
 
 
-def circle(x, y, txt, cde, radius=0.15):
-    just_circle(x, y, radius=radius)
-    text(x, y-0.2, txt)
-    code(x, y-0.33, cde)
-
-# Minor tick label
-circle(3.25, -0.10, "Minor tick label",
-       "ax.xaxis.set_minor_formatter")
-
-# Major tick
-circle(-0.03, 1.05, "Major tick", "ax.yaxis.set_major_locator")
-
-# Minor tick
-y = 3.75
-circle(0.00, 3.75, "Minor tick", "ax.yaxis.set_minor_locator")
-
-# Major tick label
-circle(-0.15, 3.00, "Major tick label", "ax.yaxis.set_major_formatter")
-
-# X Label
-circle(1.90, -0.32, "xlabel", "ax.set_xlabel")
-
-# Y Label
-circle(-0.27, 1.68, "ylabel", "ax.set_ylabel")
-
-# Title
-circle(1.58, 4.13, "Title", "ax.set_title")
-
-# Blue plot
-circle(1.75, 2.80, "Line", "ax.plot")
-
-# Scatter plot
-circle(2.25, 1.54, "Markers", "ax.scatter")
-
-# Grid
-circle(3.00, 3.00, "Grid", "ax.grid")
-
-# Legend
-circle(3.60, 3.65, "Legend", "ax.legend")
-
-# Axes
-circle(2.5, 0.55, "Axes", "fig.subplots")
-
-# Figure
-circle(4.185, 4.3, "Figure", "plt.figure")
-
-# x Axis
-circle(0.65, 0.01, "x Axis", "ax.xaxis")
-
-# y Axis
-circle(0, 0.44, "y Axis", "ax.yaxis")
-
-# Spine
-circle(4.0, 0.7, "Spine", "ax.spines")
-
-# frame around figure...
-fig.add_artist(Rectangle((0, 0), width=1, height=1, facecolor='none',
-               edgecolor='0.5', linewidth=10))
-
+annotate(3.25, -0.10, "Minor tick label", "ax.xaxis.set_minor_formatter")
+annotate(-0.03, 1.05, "Major tick", "ax.yaxis.set_major_locator")
+annotate(0.00, 3.75, "Minor tick", "ax.yaxis.set_minor_locator")
+annotate(-0.15, 3.00, "Major tick label", "ax.yaxis.set_major_formatter")
+annotate(1.90, -0.32, "xlabel", "ax.set_xlabel")
+annotate(-0.27, 1.68, "ylabel", "ax.set_ylabel")
+annotate(1.58, 4.13, "Title", "ax.set_title")
+annotate(1.75, 2.80, "Line", "ax.plot")
+annotate(2.25, 1.54, "Markers", "ax.scatter")
+annotate(3.00, 3.00, "Grid", "ax.grid")
+annotate(3.60, 3.65, "Legend", "ax.legend")
+annotate(2.5, 0.55, "Axes", "fig.subplots")
+annotate(4.185, 4.3, "Figure", "plt.figure")
+annotate(0.65, 0.01, "x Axis", "ax.xaxis")
+annotate(0, 0.44, "y Axis", "ax.yaxis")
+annotate(4.0, 0.7, "Spine", "ax.spines")
+
+# frame around figure
+fig.patch.set(linewidth=10, edgecolor='0.5')
 plt.show()