Drawing of graphics in python

The example in this article describes the drawing of graphics in Python. Share it with everyone for your reference, the details are as follows:

1. Add data labels to the graph

plt.plot(datat.index,datat)
plt.xlabel('index', fontsize=15)
plt.legend(['t_bottom','t_top'],loc = 'upper_right',fontsize = 10)
plt.show()

2. Set the labels On the far right

plt.legend(bbox_to_anchor=(1.05, 1), loc=2, borderaxespad=0.)

3, a box appears when displaying Chinese fonts

# coding: UTF-8
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签
plt.rcParams['axes.unicode_minus']=False #用来正常显示负号#有中文出现的情况，需要u'内容

4. Draw a heat map

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
d ={'1':[0.87,0.95],'2':[0.86,0.91],'3':[0.86,0.93],'4':[0.86,0.92],'5':[0.86,0.93]}
df = pd.DataFrame(d,index = [2,1])
df
### annot是表示显示方块代表的数值出来 cmap颜色
sns.heatmap(df,annot = True,cmap="YlGnBu")
plt.show()

5. Draw a scatter plot and overlap multiple graphs

import matplotlib.pyplot as plt
import seaborn as sns
color = sns.color_palette()
sns.set_style('darkgrid')
%matplotlib inline
plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签
plt.rcParams['axes.unicode_minus']=False #用来正常显示负号#有中文出现的情况，需要u'内容'

plt.figure(figsize=[9,6])
plt.plot(datat.index,datat_.t_bottom,color = 'r')
plt.plot(datat.index,datat_.t_top,color = 'c')
plt.scatter(datat.index,datat_.bottom,marker='.',c='g')
plt.scatter(datat.index,datat_.top,marker='.',c='b')
plt.legend(('t_bottom','t_top','noise_bottom','noise_top'),loc = 'upper right',fontsize=15)
plt.xlabel('index', fontsize=15)
plt.ylabel(u'温度', fontsize=15)
#plt.legend(['t_bottom','t_top'],loc = 'upper_right',fontsize = 10)
plt.show()

##6. Drawing color

color =

greenredcyan##'w'

character	color
<span class="pre">'b'</span>	blue
##'g'<span class="pre"></span>
'r'<span class="pre"></span>
'c'<span class="pre"></span>
##'m'<span class="pre"></span>magenta
'y'<span class="pre"></span>yellow
'k'<span class="pre"></span>black
<span class="pre"></span>white

##Related recommendations:

Draw custom graphics

CSS3 draws various graphics

Use the turtle library in python to draw graphics

Drawing of iOS basic graphics

The above is the detailed content of Drawing of graphics in python. For more information, please follow other related articles on the PHP Chinese website!