|
3 | 3 | Pie Demo2 |
4 | 4 | ========= |
5 | 5 |
|
6 | | -Make a pie charts of varying size - see |
7 | | -https://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.pie for the |
8 | | -docstring. |
9 | | -
|
10 | | -This example shows a basic pie charts with labels optional features, |
11 | | -like autolabeling the percentage, offsetting a slice with "explode" |
12 | | -and adding a shadow, in different sizes. |
| 6 | +Make a pie charts using :meth:`.Axes.pie`. |
13 | 7 |
|
| 8 | +This example demonstrates some pie chart features like labels, varying size, |
| 9 | +autolabeling the percentage, offsetting a slice and adding a shadow. |
14 | 10 | """ |
| 11 | + |
15 | 12 | importmatplotlib.pyplotasplt |
16 | | -frommatplotlib.gridspecimportGridSpec |
17 | 13 |
|
18 | 14 | # Some data |
19 | | - |
20 | 15 | labels='Frogs','Hogs','Dogs','Logs' |
21 | 16 | fracs= [15,30,45,10] |
22 | 17 |
|
23 | | -explode= (0,0.05,0,0) |
24 | | - |
25 | | -# Make square figures and axes |
26 | | - |
27 | | -the_grid=GridSpec(2,2) |
28 | | - |
29 | | -plt.subplot(the_grid[0,0],aspect=1) |
30 | | - |
31 | | -plt.pie(fracs,labels=labels,autopct='%1.1f%%',shadow=True) |
32 | | - |
33 | | -plt.subplot(the_grid[0,1],aspect=1) |
34 | | - |
35 | | -plt.pie(fracs,explode=explode,labels=labels,autopct='%.0f%%',shadow=True) |
36 | | - |
37 | | -plt.subplot(the_grid[1,0],aspect=1) |
38 | | - |
39 | | -patches,texts,autotexts=plt.pie(fracs,labels=labels, |
40 | | -autopct='%.0f%%', |
41 | | -shadow=True,radius=0.5) |
42 | | - |
43 | | -# Make the labels on the small plot easier to read. |
44 | | -fortintexts: |
45 | | -t.set_size('smaller') |
46 | | -fortinautotexts: |
47 | | -t.set_size('x-small') |
48 | | -autotexts[0].set_color('y') |
49 | | - |
50 | | -plt.subplot(the_grid[1,1],aspect=1) |
51 | | - |
52 | | -# Turn off shadow for tiny plot with exploded slice. |
53 | | -patches,texts,autotexts=plt.pie(fracs,explode=explode, |
54 | | -labels=labels,autopct='%.0f%%', |
55 | | -shadow=False,radius=0.5) |
56 | | -fortintexts: |
57 | | -t.set_size('smaller') |
58 | | -fortinautotexts: |
59 | | -t.set_size('x-small') |
60 | | -autotexts[0].set_color('y') |
| 18 | +# Make figure and axes |
| 19 | +fig,axs=plt.subplots(2,2) |
| 20 | + |
| 21 | +# A standard pie plot |
| 22 | +axs[0,0].pie(fracs,labels=labels,autopct='%1.1f%%',shadow=True) |
| 23 | + |
| 24 | +# Shift the second slice using explode |
| 25 | +axs[0,1].pie(fracs,labels=labels,autopct='%.0f%%',shadow=True, |
| 26 | +explode=(0,0.1,0,0)) |
| 27 | + |
| 28 | +# Adapt radius and text size for a smaller pie |
| 29 | +patches,texts,autotexts=axs[1,0].pie(fracs,labels=labels, |
| 30 | +autopct='%.0f%%', |
| 31 | +textprops={'size':'smaller'}, |
| 32 | +shadow=True,radius=0.5) |
| 33 | +# Make percent texts even smaller |
| 34 | +plt.setp(autotexts,size='x-small') |
| 35 | +autotexts[0].set_color('white') |
| 36 | + |
| 37 | +# Use a smaller explode and turn of the shadow for better visibility |
| 38 | +patches,texts,autotexts=axs[1,1].pie(fracs,labels=labels, |
| 39 | +autopct='%.0f%%', |
| 40 | +textprops={'size':'smaller'}, |
| 41 | +shadow=False,radius=0.5, |
| 42 | +explode=(0,0.05,0,0)) |
| 43 | +plt.setp(autotexts,size='x-small') |
| 44 | +autotexts[0].set_color('white') |
61 | 45 |
|
62 | 46 | plt.show() |
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