mpl_toolkits.axisartist.axis_artist.AxisLabel

class mpl_toolkits.axisartist.axis_artist.AxisLabel(*args, axis_direction='bottom', axis=None, **kwargs)[source]

Bases: mpl_toolkits.axisartist.axis_artist.AttributeCopier, mpl_toolkits.axisartist.axis_artist.LabelBase

Axis Label. Derived from Text. The position of the text is updated in the fly, so changing text position has no effect. Otherwise, the properties can be changed as a normal Text.

To change the pad between ticklabels and axis label, use set_pad.

draw(renderer)[source]

Draw the Artist (and its children) using the given renderer.

This has no effect if the artist is not visible (Artist.get_visible returns False).

Parameters
rendererRendererBase subclass.

Notes

This method is overridden in the Artist subclasses.

get_color()[source]

Return the color of the text.

get_pad()[source]

Return the internal pad in points.

See set_pad for more details.

get_ref_artist()[source]

Return the underlying artist that actually defines some properties (e.g., color) of this artist.

get_text()[source]

Return the text string.

get_window_extent(renderer)[source]

Return the Bbox bounding the text, in display units.

In addition to being used internally, this is useful for specifying clickable regions in a png file on a web page.

Parameters
rendererRenderer, optional

A renderer is needed to compute the bounding box. If the artist has already been drawn, the renderer is cached; thus, it is only necessary to pass this argument when calling get_window_extent before the first draw. In practice, it is usually easier to trigger a draw first (e.g. by saving the figure).

dpifloat, optional

The dpi value for computing the bbox, defaults to self.figure.dpi (not the renderer dpi); should be set e.g. if to match regions with a figure saved with a custom dpi value.

set(*, agg_filter=<UNSET>, alpha=<UNSET>, animated=<UNSET>, axis_direction=<UNSET>, backgroundcolor=<UNSET>, bbox=<UNSET>, clip_box=<UNSET>, clip_on=<UNSET>, clip_path=<UNSET>, color=<UNSET>, default_alignment=<UNSET>, default_angle=<UNSET>, fontfamily=<UNSET>, fontproperties=<UNSET>, fontsize=<UNSET>, fontstretch=<UNSET>, fontstyle=<UNSET>, fontvariant=<UNSET>, fontweight=<UNSET>, gid=<UNSET>, horizontalalignment=<UNSET>, in_layout=<UNSET>, label=<UNSET>, linespacing=<UNSET>, math_fontfamily=<UNSET>, multialignment=<UNSET>, pad=<UNSET>, parse_math=<UNSET>, path_effects=<UNSET>, picker=<UNSET>, position=<UNSET>, rasterized=<UNSET>, rotation=<UNSET>, rotation_mode=<UNSET>, sketch_params=<UNSET>, snap=<UNSET>, text=<UNSET>, transform=<UNSET>, transform_rotates_text=<UNSET>, url=<UNSET>, usetex=<UNSET>, verticalalignment=<UNSET>, visible=<UNSET>, wrap=<UNSET>, x=<UNSET>, y=<UNSET>, zorder=<UNSET>)

Set multiple properties at once.

Supported properties are

Property

Description

agg_filter

a filter function, which takes a (m, n, 3) float array and a dpi value, and returns a (m, n, 3) array

alpha

scalar or None

animated

bool

axis_direction

unknown

backgroundcolor

color

bbox

dict with properties for patches.FancyBboxPatch

clip_box

Bbox

clip_on

bool

clip_path

Patch or (Path, Transform) or None

color or c

color

default_alignment

unknown

default_angle

unknown

figure

Figure

fontfamily or family

{FONTNAME, 'serif', 'sans-serif', 'cursive', 'fantasy', 'monospace'}

fontproperties or font or font_properties

font_manager.FontProperties or str or pathlib.Path

fontsize or size

float or {'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'}

fontstretch or stretch

{a numeric value in range 0-1000, 'ultra-condensed', 'extra-condensed', 'condensed', 'semi-condensed', 'normal', 'semi-expanded', 'expanded', 'extra-expanded', 'ultra-expanded'}

fontstyle or style

{'normal', 'italic', 'oblique'}

fontvariant or variant

{'normal', 'small-caps'}

fontweight or weight

{a numeric value in range 0-1000, 'ultralight', 'light', 'normal', 'regular', 'book', 'medium', 'roman', 'semibold', 'demibold', 'demi', 'bold', 'heavy', 'extra bold', 'black'}

gid

str

horizontalalignment or ha

{'center', 'right', 'left'}

in_layout

bool

label

object

linespacing

float (multiple of font size)

math_fontfamily

str

multialignment or ma

{'left', 'right', 'center'}

pad

unknown

parse_math

bool

path_effects

AbstractPathEffect

picker

None or bool or float or callable

position

(float, float)

rasterized

bool

rotation

float or {'vertical', 'horizontal'}

rotation_mode

{None, 'default', 'anchor'}

sketch_params

(scale: float, length: float, randomness: float)

snap

bool or None

text

object

transform

Transform

transform_rotates_text

bool

url

str

usetex

bool or None

verticalalignment or va

{'center', 'top', 'bottom', 'baseline', 'center_baseline'}

visible

bool

wrap

bool

x

float

y

float

zorder

float

set_axis_direction(d)[source]

Adjust the text angle and text alignment of axis label according to the matplotlib convention.

property

left

bottom

right

top

axislabel angle

180

0

0

180

axislabel va

center

top

center

bottom

axislabel ha

right

center

right

center

Note that the text angles are actually relative to (90 + angle of the direction to the ticklabel), which gives 0 for bottom axis.

set_default_alignment(d)[source]
set_default_angle(d)[source]
set_pad(pad)[source]

Set the internal pad in points.

The actual pad will be the sum of the internal pad and the external pad (the latter is set automatically by the AxisArtist).