8000 DOC: update anatomy of figure · matplotlib/matplotlib@bbbce2b · GitHub
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DOC: update anatomy of figure
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‎examples/showcase/anatomy.py

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Lines changed: 61 additions & 53 deletions
Original file line numberDiff line numberDiff line change
@@ -6,19 +6,29 @@
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This figure shows the name of several matplotlib elements composing a figure
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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from matplotlib.patches import Circle, Rectangle
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from matplotlib.patheffects import withStroke
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from matplotlib.ticker import AutoMinorLocator, MultipleLocator
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royal_blue = "#002082"
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royal_blue = [0, 20/256, 82/256]
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# make the figure
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np.random.seed(19680801)
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X = np.linspace(0.5, 3.5, 100)
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Y1 = 3+np.cos(X)
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Y2 = 1+np.cos(1+X/0.75)/2
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Y3 = np.random.uniform(Y1, Y2, len(X))
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fig = plt.figure(figsize=(8, 8))
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ax = fig.add_subplot(1, 1, 1, aspect=1)
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fig = plt.figure(figsize=(8, 8), facecolor='1')
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marg = 0.13
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ax = fig.add_axes([marg, marg, 1-1.8*marg, 1-1.8*marg], aspect=1,
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facecolor='1')
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def minor_tick(x, pos):
@@ -36,42 +46,45 @@ def minor_tick(x, pos):
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ax.set_xlim(0, 4)
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ax.set_ylim(0, 4)
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ax.tick_params(which='major', width=1.0)
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ax.tick_params(which='major', length=10)
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ax.tick_params(which='major', width=1.0, labelsize=14)
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ax.tick_params(which='major', length=10, labelsize=14)
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ax.tick_params(which='minor', width=1.0, labelsize=10)
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ax.tick_params(which='minor', length=5, labelsize=10, labelcolor='0.25')
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ax.grid(linestyle="--", linewidth=0.5, color='.25', zorder=-10)
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ax.plot(X, Y1, c=(0.25, 0.25, 1.00), lw=2, label="Blue signal", zorder=10)
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ax.plot(X, Y2, c=(1.00, 0.25, 0.25), lw=2, label="Red signal")
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ax.plot(X, Y3, linewidth=0,
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marker='o', markerfacecolor='w', markeredgecolor='k')
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ax.plot(X, Y1, c='C0', lw=2.5, label="Blue signal", zorder=10)
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ax.plot(X, Y2, c='C1', lw=2.5, label="Orange signal")
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ax.plot(X[::3], Y3[::3], linewidth=0, markersize=9,
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marker='s', markerfacecolor='none', markeredgecolor='C4',
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markeredgewidth=2.5)
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ax.set_title("Anatomy of a figure", fontsize=20, verticalalignment='bottom')
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ax.set_xlabel("X axis label")
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ax.set_ylabel("Y axis label")
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ax.set_xlabel("x Axis label", fontsize=14)
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ax.set_ylabel("y Axis label", fontsize=14)
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ax.legend(loc="upper right")
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ax.legend(loc="upper right", fontsize=14)
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# Annotate the figure
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def circle(x, y, radius=0.15):
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from matplotlib.patches import Circle
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from matplotlib.patheffects import withStroke
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circle = Circle((x, y), radius, clip_on=False, zorder=10, linewidth=1,
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edgecolor='black', facecolor=(0, 0, 0, .0125),
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path_effects=[withStroke(linewidth=5, foreground='w')])
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ax.add_artist(circle)
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c = Circle((x, y), radius, clip_on=False, zorder=10, linewidth=2.5,
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edgecolor=royal_blue + [0.6], facecolor='none',
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path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
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ax.add_artist(c)
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def text(x, y, text):
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ax.text(x, y, text, backgroundcolor="white",
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ha='center', va='top', weight='bold', color='blue')
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ax.text(x, y, text, zorder=100,
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ha='center', va= 6D40 'top', weight='bold', color=royal_blue,
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style='italic', fontfamily='monospace',
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path_effects=[withStroke(linewidth=7, foreground=(1, 1, 1, 1))])
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# Minor tick
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circle(0.50, -0.10)
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text(0.50, -0.32, "Minor tick label")
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circle(3.25, -0.10)
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text(3.25, -0.32, "Minor tick label")
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# Major tick
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circle(-0.03, 4.00)
@@ -86,60 +99,55 @@ def text(x, y, text):
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text(-0.15, 2.80, "Major tick label")
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# X Label
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circle(1.80, -0.27)
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text(1.80, -0.45, "X axis label")
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circle(1.90, -0.27)
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text(1.90, -0.47, "xlabel")
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# Y Label
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circle(-0.27, 1.80)
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text(-0.27, 1.6, "Y axis label")
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circle(-0.27, 1.75)
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text(-0.27, 1.55, "ylabel")
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# Title
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circle(1.60, 4.13)
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text(1.60, 3.93, "Title")
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circle(1.58, 4.13)
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text(1.58, 3.93, "Title")
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# Blue plot
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circle(1.75, 2.80)
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text(1.75, 2.60, "Line\n(line plot)")
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# Red plot
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circle(1.20, 0.60)
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text(1.20, 0.40, "Line\n(line plot)")
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# Scatter plot
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circle(3.20, 1.75)
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text(3.20, 1.55, "Markers\n(scatter plot)")
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circle(2.25, 1.54)
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text(2.25, 1.34, "Markers\n(scatter plot)")
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# Grid
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circle(3.00, 3.00)
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text(3.00, 2.80, "Grid")
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# Legend
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circle(3.70, 3.80)
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text(3.70, 3.60, "Legend")
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circle(3.60, 3.65)
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text(3.60, 3.45, "Legend")
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# Axes
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circle(0.5, 0.5)
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text(0.5, 0.3, "Axes")
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# Figure
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circle(-0.3, 0.65)
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text(-0.3, 0.45, "Figure")
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color = 'blue'
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ax.annotate('Spines', xy=(4.0, 0.35), xytext=(3.3, 0.5),
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weight='bold', color=color,
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arrowprops=dict(arrowstyle='->',
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connectionstyle="arc3",
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color=color))
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ax.annotate('', xy=(3.15, 0.0), xytext=(3.45, 0.45),
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weight='bold', color=color,
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arrowprops=dict(arrowstyle='->',
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connectionstyle="arc3",
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color=color))
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ax.text(4.0, -0.4, "Made with https://matplotlib.org",
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fontsize=10, ha="right", color='.5')
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circle(4.185, 4.3)
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text(4.185, 4.1, "Figure")
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# Axis
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circle(0.65, 0.01)
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text(0.65, -0.2, "x Axis")
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# Axis
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circle(0, 0.7)
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text(0, 0.7-0.2, "y Axis")
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# Spine
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circle(4.0, 0.7)
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text(4.0, 0.7-0.2, "Spine")
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fig.add_artist(Rectangle((0, 0), width=1, height=1, facecolor='none',
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edgecolor='0.5', linewidth=10))
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plt.show()
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