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Demo of plotting a pie chart.
This example illustrates various parameters of
Plot a pie chart of animals and label the slices. To add labels, pass a list of labels to the labels parameter
Each slice of the pie chart is a
patches.Wedge object; therefore in
addition to the customizations shown here, each wedge can be customized using
the wedgeprops argument, as demonstrated in
Nested pie charts.
Pass a function or format string to autopct to label slices.
By default, the label values are obtained from the percent size of the slice.
Pass a list of colors to colors to set the color of each slice.
Pass a list of hatch patterns to hatch to set the pattern of each slice.
Swap label and autopct text positions#
Use the labeldistance and pctdistance parameters to position the labels and autopct text respectively.
labeldistance and pctdistance are ratios of the radius; therefore they
0 for the center of the pie and
1 for the edge of the
pie, and can be set to greater than
1 to place text outside the pie.
Explode, shade, and rotate slices#
In addition to the basic pie chart, this demo shows a few optional features:
offsetting a slice using explode
add a drop-shadow using shadow
custom start angle using startangle
This example orders the slices, separates (explodes) them, and rotates them.
The default startangle is 0, which would start the first slice ("Frogs") on
the positive x-axis. This example sets
startangle = 90 such that all the
slices are rotated counter-clockwise by 90 degrees, and the frog slice starts
on the positive y-axis.
The use of the following functions, methods, classes and modules is shown in this example:
Total running time of the script: ( 0 minutes 1.799 seconds)