What is a autopct format function?

I called plt.pie with autopct='%1.1f%%' and got the labels I wanted. However,
when I added the line

mpl.rcParams['text.usetex'] = True

the % disappeared from my labels. I'd like to be able to use LaTex for text,
but can't figure out how to get the % back on my labels.

I've read the documentation for autopct

autopct: [ None | format string | format function ]
    If not None, is a string or function used to label the wedges with
their numeric value. The label will be placed inside the wedge. If it is a
format string, the label will be fmt%pct. If it is a function, it will be
called.

and I am wondering what a format function would look like. All of the
examples using autopct that I can find use a format string similar to
%1.1f%% and none seem to use functions.

So my questions are:

1) How might I get the % back on my labels (whether this requires a format
function or not)?
2) What would a format function look like when used with autopct?

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Hi Mark,

2012/10/8 mgurling <magurling@…287…>

I called plt.pie with autopct=’%1.1f%%’ and got the labels I wanted. However,

when I added the line

mpl.rcParams[‘text.usetex’] = True

the % disappeared from my labels. I’d like to be able to use LaTex for text,

but can’t figure out how to get the % back on my labels.

in (La)Tex % is a comment and to print it you have to escape it with ‘’. Have you tried autopct=’%1.1f%’?

Cheers,

Francesco

···

I’ve read the documentation for autopct

autopct: [ None | format string | format function ]

If not None, is a string or function used to label the wedges with

their numeric value. The label will be placed inside the wedge. If it is a

format string, the label will be fmt%pct. If it is a function, it will be

called.

and I am wondering what a format function would look like. All of the

examples using autopct that I can find use a format string similar to

%1.1f%% and none seem to use functions.

So my questions are:

  1. How might I get the % back on my labels (whether this requires a format

function or not)?

  1. What would a format function look like when used with autopct?

View this message in context: http://matplotlib.1069221.n5.nabble.com/What-is-a-autopct-format-function-tp39315.html

Sent from the matplotlib - users mailing list archive at Nabble.com.


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