Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Artist class contains Abstract base class for objects that render into a FigureCanvas. All visible elements in a figure are subclasses of Artist.
Matplotlib.artist.Artist.get_label() Method
The set_label() method in artist module of matplotlib library is used to set the label that will be displayed in the legend.
Syntax: Artist.get_label(self)
Parameters: This method does not accepts any parameter.
Returns: This method return the label used for this artist in the legend.
Below examples illustrate the matplotlib.artist.Artist.get_label() function in matplotlib:
Example 1:
# Implementation of matplotlib function from matplotlib.artist import Artist
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
x = [ 0 , 1 ]
y = [ 1 , 1 ]
line, = ax.plot(x, y)
ax.legend(( "Line_1" , ))
ax.text( 0.2 , 1.02 , "Value Return by get_label()\
: " + str (Artist.get_label(line)))
fig.suptitle( """matplotlib.artist.Artist.get_label()
function Example""" , fontweight = "bold")
plt.show() |
Output:
Example 2:
# Implementation of matplotlib function from matplotlib.artist import Artist
import matplotlib.pyplot as plt
def make_patch_spines_invisible(ax):
ax.set_frame_on( True )
ax.patch.set_visible( False )
for sp in ax.spines.values():
sp.set_visible( False )
fig, host = plt.subplots()
fig.subplots_adjust(right = 0.75 )
par1 = host.twinx()
par2 = host.twinx()
par2.spines[ "right" ].set_position(( "axes" , 1.2 ))
make_patch_spines_invisible(par2) par2.spines[ "right" ].set_visible( True )
p1, = host.plot([ 0 , 1 , 2 ], [ 0 , 1 , 2 ],
"b-" , label = "Y-label 1" )
p2, = par1.plot([ 0 , 1 , 2 ], [ 0 , 30 , 20 ],
"r-" , label = "Y-label 2" )
p3, = par2.plot([ 0 , 1 , 2 ], [ 500 , 300 , 150 ],
"g-" , label = "Y-label 3" )
host.set_xlim( 0.25 , 1.75 )
host.set_ylim( 0.25 , 1.75 )
par1.set_ylim( 0 , 40 )
par2.set_ylim( 10 , 500 )
host.set_xlabel( "X-label" )
host.set_ylabel( "Y-label 1" )
par1.set_ylabel( "Y-label 2" )
par2.set_ylabel( "Y-label 3" )
host.yaxis.label.set_color(p1.get_color()) par1.yaxis.label.set_color(p2.get_color()) par2.yaxis.label.set_color(p3.get_color()) tkw = dict (size = 4 , width = 1.5 )
host.tick_params(axis = 'y' ,
colors = p1.get_color(),
* * tkw)
par1.tick_params(axis = 'y' ,
colors = p2.get_color(),
* * tkw)
par2.tick_params(axis = 'y' ,
colors = p3.get_color(),
* * tkw)
host.tick_params(axis = 'x' ,
* * tkw)
lines = [p1, p2, p3]
host.legend(lines, [Artist.get_label(l) for l in lines])
fig.suptitle( """matplotlib.artist.Artist.get_label()
function Example""" , fontweight = "bold")
plt.show() |
Output: