注意
前往結尾下載完整範例程式碼。
預設屬性循環中的顏色#
顯示來自預設 prop_cycle 的顏色，該顏色從rc 參數取得。
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import TABLEAU_COLORS, same_color
def f(x, a):
"""A nice sigmoid-like parametrized curve, ending approximately at *a*."""
return 0.85 * a * (1 / (1 + np.exp(-x)) + 0.2)
fig, ax = plt.subplots()
ax.axis('off')
ax.set_title("Colors in the default property cycle")
prop_cycle = plt.rcParams['axes.prop_cycle']
colors = prop_cycle.by_key()['color']
x = np.linspace(-4, 4, 200)
for i, (color, color_name) in enumerate(zip(colors, TABLEAU_COLORS)):
assert same_color(color, color_name)
pos = 4.5 - i
ax.plot(x, f(x, pos))
ax.text(4.2, pos, f"'C{i}': '{color_name}'", color=color, va="center")
ax.bar(9, 1, width=1.5, bottom=pos-0.5)
plt.show()
參考文獻
此範例顯示下列函數、方法、類別和模組的用法