Matplotlib 的背景颜色

【问题标题】：Background color of MatplotlibMatplotlib 的背景颜色
【发布时间】：2021-05-20 23:40:09
【问题描述】：

# use a gray background
ax = plt.axes(facecolor='#E6E6E6')
ax.set_axisbelow(True)

# draw solid white grid lines
plt.grid(color='w', linestyle='solid')

# hide axis spines
for spine in ax.spines.values():
    spine.set_visible(True)
    
# hide top and right ticks
ax.xaxis.tick_bottom()
ax.yaxis.tick_left()

# lighten ticks and labels
ax.tick_params(colors='gray', direction='out')
for tick in ax.get_xticklabels():
    tick.set_color('gray')
for tick in ax.get_yticklabels():
    tick.set_color('gray')
    
# control face and edge color of histogram
ax.hist(x, edgecolor='#E6E6E6', color='#EE6666');

输出：

上面的代码生成附加的图片。怎样才能去掉绕轴的黑框？

【问题讨论】：

标签： matplotlib colors background

【解决方案1】：

图像周围的“黑框”是图形容器的一部分。简短的回答是，改变人物的脸色。（即在第一行上方添加 fig = plt.figure(facecolor='white')。）

# THIS LINE CONTROLS THE FIGURE FACECOLOR. YOU CAN USE HEX COLOR RGB OR JUST SPECIFY A COLOR
fig = plt.figure(facecolor='white')

# use a gray background
ax = plt.axes(facecolor='#E6E6E6')
ax.set_axisbelow(True)

# draw solid white grid lines
plt.grid(color='w', linestyle='solid')

# hide axis spines
for spine in ax.spines.values():
    spine.set_visible(True)
    
# hide top and right ticks
ax.xaxis.tick_bottom()
ax.yaxis.tick_left()

# lighten ticks and labels
ax.tick_params(colors='gray', direction='out')
for tick in ax.get_xticklabels():
    tick.set_color('gray')
for tick in ax.get_yticklabels():
    tick.set_color('gray')
    
# control face and edge color of histogram
ax.hist(x, edgecolor='#E6E6E6', color='#EE6666');

【讨论】：