ENH: add code snippets

jklymak · jklymak · commit 7817b3526c26 · 2021-11-28T19:38:46.000+01:00
diff --git a/examples/showcase/anatomy.py b/examples/showcase/anatomy.py
@@ -26,7 +26,7 @@
 Y3 = np.random.uniform(Y1, Y2, len(X))
 
 fig = plt.figure(figsize=(8, 8), facecolor='1')
-marg = 0.13
+marg = 0.15
 ax = fig.add_axes([marg, marg, 1-1.8*marg, 1-1.8*marg], aspect=1,
                   facecolor='1')
 
@@ -68,7 +68,7 @@ def minor_tick(x, pos):
 # Annotate the figure
 
 
-def circle(x, y, radius=0.15):
+def just_circle(x, y, radius=0.15):
     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))])
@@ -82,70 +82,69 @@ def text(x, y, text):
             path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
 
 
-# Minor tick
-circle(3.25, -0.10)
-text(3.25, -0.32, "Minor tick label")
+def code(x, y, text):
+    ax.text(x, y, text, 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, 4.00)
-text(0.03, 3.80, "Major tick")
+circle(-0.03, 1.05, "Major tick", "ax.yaxis.set_major_locator")
 
 # Minor tick
-circle(0.00, 3.50)
-text(0.00, 3.30, "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)
-text(-0.15, 2.80, "Major tick label")
+circle(-0.15, 3.00, "Major tick label", "ax.yaxis.set_major_formatter")
 
 # X Label
-circle(1.90, -0.27)
-text(1.90, -0.47, "xlabel")
+circle(1.90, -0.32, "xlabel", "ax.set_xlabel")
 
 # Y Label
-circle(-0.27, 1.75)
-text(-0.27, 1.55, "ylabel")
+circle(-0.27, 1.68, "ylabel", "ax.set_ylabel")
 
 # Title
-circle(1.58, 4.13)
-text(1.58, 3.93, "Title")
+circle(1.58, 4.13, "Title", "ax.set_title")
 
 # Blue plot
-circle(1.75, 2.80)
-text(1.75, 2.60, "Line\n(line plot)")
+circle(1.75, 2.80, "Line", "ax.plot")
 
 # Scatter plot
-circle(2.25, 1.54)
-text(2.25, 1.34, "Markers\n(scatter plot)")
+circle(2.25, 1.54, "Markers", "ax.scatter")
 
 # Grid
-circle(3.00, 3.00)
-text(3.00, 2.80, "Grid")
+circle(3.00, 3.00, "Grid", "ax.grid")
 
 # Legend
-circle(3.60, 3.65)
-text(3.60, 3.45, "Legend")
+circle(3.60, 3.65, "Legend", "ax.legend")
 
 # Axes
-circle(0.5, 0.5)
-text(0.5, 0.3, "Axes")
+circle(2.5, 0.55, "Axes", "fig.subplots")
 
 # Figure
-circle(4.185, 4.3)
-text(4.185, 4.1, "Figure")
+circle(4.185, 4.3, "Figure", "plt.figure")
 
-# Axis
-circle(0.65, 0.01)
-text(0.65, -0.2, "x Axis")
+# x Axis
+circle(0.65, 0.01, "x Axis", "ax.xaxis")
 
-# Axis
-circle(0, 0.7)
-text(0, 0.7-0.2, "y Axis")
+# y Axis
+circle(0, 0.44, "y Axis", "ax.yaxis")
 
 # Spine
-circle(4.0, 0.7)
-text(4.0, 0.7-0.2, "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))
 
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -3496,6 +3496,7 @@ def set_xlabel(self, xlabel, fontdict=None, labelpad=None, *,
             kwargs.update(x=0, horizontalalignment='left')
         elif loc == 'right':
             kwargs.update(x=1, horizontalalignment='right')
+
         return self.xaxis.set_label_text(xlabel, fontdict, **kwargs)
 
     def invert_xaxis(self):
