matplotlib.axis.Axis.set_major_formatter¶
- Axis.set_major_formatter(formatter)[source]¶
Set the formatter of the major ticker.
In addition to a
Formatter
instance, this also accepts astr
or function.For a
str
aStrMethodFormatter
is used. The field used for the value must be labeled'x'
and the field used for the position must be labeled'pos'
. See theStrMethodFormatter
documentation for more information.For a function, a
FuncFormatter
is used. The function must take two inputs (a tick valuex
and a positionpos
), and return a string containing the corresponding tick label. See theFuncFormatter
documentation for more information.- Parameters
- formatter
Formatter
,str
, or function
- formatter