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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>matplotlib.axis — Matplotlib 3.4.2 documentation</title>

title="Search within Matplotlib 3.4.2 documentation"

href="../../_static/opensearch.xml"/>

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<h1>Source code for matplotlib.axis</h1><div class="highlight"><pre>

"""

Classes for the ticks and x and y axis.

"""

import datetime

import functools

import logging

import numpy as np

import matplotlib as mpl

from matplotlib import _api

import matplotlib.artist as martist

import matplotlib.cbook as cbook

import matplotlib.lines as mlines

import matplotlib.scale as mscale

import matplotlib.text as mtext

import matplotlib.ticker as mticker

import matplotlib.transforms as mtransforms

import matplotlib.units as munits

_log = logging.getLogger(__name__)

GRIDLINE_INTERPOLATION_STEPS = 180

# This list is being used for compatibility with Axes.grid, which

# allows all Line2D kwargs.

_line_inspector = martist.ArtistInspector(mlines.Line2D)

_line_param_names = _line_inspector.get_setters()

_line_param_aliases = [list(d)[0] for d in _line_inspector.aliasd.values()]

_gridline_param_names = ['grid_' + name

for name in _line_param_names + _line_param_aliases]

<div class="viewcode-block" id="Tick"><a class="viewcode-back" href="../../api/axis_api.html#matplotlib.axis.Tick">[docs]</a>class Tick(martist.Artist):

"""

Abstract base class for the axis ticks, grid lines and labels.

Ticks mark a position on an Axis. They contain two lines as markers and

two labels; one each for the bottom and top positions (in case of an

`.XAxis`) or for the left and right positions (in case of a `.YAxis`).

Attributes

----------

tick1line : `.Line2D`

The left/bottom tick marker.

tick2line : `.Line2D`

The right/top tick marker.

gridline : `.Line2D`

The grid line associated with the label position.

label1 : `.Text`

The left/bottom tick label.

label2 : `.Text`

The right/top tick label.

"""

@_api.delete_parameter("3.3", "label")

def __init__(self, axes, loc, label=None,

size=None, # points

width=None,

color=None,

tickdir=None,

pad=None,

labelsize=None,

labelcolor=None,

zorder=None,

gridOn=None, # defaults to axes.grid depending on

# axes.grid.which

tick1On=True,

tick2On=True,

label1On=True,

label2On=False,

major=True,

labelrotation=0,

grid_color=None,

grid_linestyle=None,

grid_linewidth=None,

grid_alpha=None,

**kw # Other Line2D kwargs applied to gridlines.

):

"""

bbox is the Bound2D bounding box in display coords of the Axes

loc is the tick location in data coords

size is the tick size in points

"""

super().__init__()

if gridOn is None:

if major and (mpl.rcParams['axes.grid.which']

in ('both', 'major')):

gridOn = mpl.rcParams['axes.grid']

elif (not major) and (mpl.rcParams['axes.grid.which']

in ('both', 'minor')):

else:

gridOn = False

self.set_figure(axes.figure)

self.axes = axes

self._loc = loc

self._major = major

name = self.__name__

major_minor = "major" if major else "minor"

if size is None:

size = mpl.rcParams[f"{name}.{major_minor}.size"]

self._size = size

if width is None:

width = mpl.rcParams[f"{name}.{major_minor}.width"]

self._width = width

if color is None:

color = mpl.rcParams[f"{name}.color"]

if pad is None:

pad = mpl.rcParams[f"{name}.{major_minor}.pad"]

self._base_pad = pad

if labelcolor is None:

labelcolor = mpl.rcParams[f"{name}.labelcolor"]

if labelcolor == 'inherit':

# inherit from tick color

if labelsize is None:

labelsize = mpl.rcParams[f"{name}.labelsize"]

self._set_labelrotation(labelrotation)

if zorder is None:

if major:

zorder = mlines.Line2D.zorder + 0.01

else:

zorder = mlines.Line2D.zorder

self._zorder = zorder

if grid_color is None:

grid_color = mpl.rcParams["grid.color"]

if grid_linestyle is None:

grid_linestyle = mpl.rcParams["grid.linestyle"]

if grid_linewidth is None:

grid_linewidth = mpl.rcParams["grid.linewidth"]

if grid_alpha is None:

grid_alpha = mpl.rcParams["grid.alpha"]

grid_kw = {k[5:]: v for k, v in kw.items()}

self.apply_tickdir(tickdir)

self.tick1line = mlines.Line2D(

[], [],

color=color, linestyle="none", zorder=zorder, visible=tick1On,

markeredgecolor=color, markersize=size, markeredgewidth=width,

)

self.tick2line = mlines.Line2D(

[], [],

)

self.gridline = mlines.Line2D(

[], [],

color=grid_color, alpha=grid_alpha, visible=gridOn,

linestyle=grid_linestyle, linewidth=grid_linewidth, marker="",

**grid_kw,

)

self.gridline.get_path()._interpolation_steps = \

GRIDLINE_INTERPOLATION_STEPS

self.label1 = mtext.Text(

np.nan, np.nan,

fontsize=labelsize, color=labelcolor, visible=label1On)

self.label2 = mtext.Text(

np.nan, np.nan,

for meth, attr in [("_get_tick1line", "tick1line"),

("_get_tick2line", "tick2line"),

("_get_gridline", "gridline"),

("_get_text1", "label1"),

("_get_text2", "label2")]:

overridden_method = _api.deprecate_method_override(

getattr(__class__, meth), self, since="3.3", message="Relying "

f"on {meth} to initialize Tick.{attr} is deprecated since "

f"%(since)s and will not work %(removal)s; please directly "

f"set the attribute in the subclass' __init__ instead.")

if overridden_method:

setattr(self, attr, overridden_method())

for artist in [self.tick1line, self.tick2line, self.gridline,

self.label1, self.label2]:

self._set_artist_props(artist)

self.update_position(loc)

@property

@_api.deprecated("3.1", alternative="Tick.label1", pending=True)

def label(self):

return self.label1

def _set_labelrotation(self, labelrotation):

if isinstance(labelrotation, str):

mode = labelrotation

angle = 0

elif isinstance(labelrotation, (tuple, list)):

mode, angle = labelrotation

else:

mode = 'default'

angle = labelrotation

_api.check_in_list(['auto', 'default'], labelrotation=mode)

self._labelrotation = (mode, angle)

<div class="viewcode-block" id="Tick.apply_tickdir"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.apply_tickdir.html#matplotlib.axis.Tick.apply_tickdir">[docs]</a> def apply_tickdir(self, tickdir):

"""Set tick direction. Valid values are 'out', 'in', 'inout'."""

if tickdir is None:

tickdir = mpl.rcParams[f'{self.__name__}.direction']

_api.check_in_list(['in', 'out', 'inout'], tickdir=tickdir)

self._tickdir = tickdir

self._pad = self._base_pad + self.get_tick_padding()

self.stale = True</div>

# Subclass overrides should compute _tickmarkers as appropriate here.

<div class="viewcode-block" id="Tick.get_tickdir"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_tickdir.html#matplotlib.axis.Tick.get_tickdir">[docs]</a> def get_tickdir(self):

return self._tickdir</div>

<div class="viewcode-block" id="Tick.get_tick_padding"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_tick_padding.html#matplotlib.axis.Tick.get_tick_padding">[docs]</a> def get_tick_padding(self):

"""Get the length of the tick outside of the axes."""

padding = {

'in': 0.0,

'inout': 0.5,

'out': 1.0

}

return self._size * padding[self._tickdir]</div>

def get_children(self):

children = [self.tick1line, self.tick2line,

self.gridline, self.label1, self.label2]

return children

def set_clip_path(self, clippath, transform=None):

# docstring inherited

super().set_clip_path(clippath, transform)

self.gridline.set_clip_path(clippath, transform)

self.stale = True

<div class="viewcode-block" id="Tick.get_pad_pixels"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_pad_pixels.html#matplotlib.axis.Tick.get_pad_pixels">[docs]</a> def get_pad_pixels(self):

return self.figure.dpi * self._base_pad / 72</div>

def contains(self, mouseevent):

"""

Test whether the mouse event occurred in the Tick marks.

This function always returns false. It is more useful to test if the

axis as a whole contains the mouse rather than the set of tick marks.

"""

inside, info = self._default_contains(mouseevent)

if inside is not None:

return inside, info

return False, {}

<div class="viewcode-block" id="Tick.set_pad"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.set_pad.html#matplotlib.axis.Tick.set_pad">[docs]</a> def set_pad(self, val):

"""

Set the tick label pad in points

Parameters

----------

val : float

"""

self._apply_params(pad=val)

self.stale = True</div>

<div class="viewcode-block" id="Tick.get_pad"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_pad.html#matplotlib.axis.Tick.get_pad">[docs]</a> def get_pad(self):

"""Get the value of the tick label pad in points."""

return self._base_pad</div>

def _get_text1(self):

"""Get the default Text 1 instance."""

def _get_text2(self):

"""Get the default Text 2 instance."""

def _get_tick1line(self):

"""Get the default line2D instance for tick1."""

def _get_tick2line(self):

"""Get the default line2D instance for tick2."""

def _get_gridline(self):

"""Get the default grid Line2d instance for this tick."""

<div class="viewcode-block" id="Tick.get_loc"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_loc.html#matplotlib.axis.Tick.get_loc">[docs]</a> def get_loc(self):

"""Return the tick location (data coords) as a scalar."""

return self._loc</div>

@martist.allow_rasterization

def draw(self, renderer):

if not self.get_visible():

self.stale = False

return

renderer.open_group(self.__name__, gid=self.get_gid())

for artist in [self.gridline, self.tick1line, self.tick2line,

artist.draw(renderer)

renderer.close_group(self.__name__)

self.stale = False

<div class="viewcode-block" id="Tick.set_label1"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.set_label1.html#matplotlib.axis.Tick.set_label1">[docs]</a> def set_label1(self, s):

"""

Set the label1 text.

Parameters

----------

s : str

"""

self.label1.set_text(s)

self.stale = True</div>

set_label = set_label1

<div class="viewcode-block" id="Tick.set_label2"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.set_label2.html#matplotlib.axis.Tick.set_label2">[docs]</a> def set_label2(self, s):

"""

Set the label2 text.

Parameters

----------

s : str

"""

self.label2.set_text(s)

self.stale = True</div>

def set_url(self, url):

"""

Set the url of label1 and label2.

Parameters

----------

url : str

"""

super().set_url(url)

self.label1.set_url(url)

self.label2.set_url(url)

self.stale = True

def _set_artist_props(self, a):

a.set_figure(self.figure)

<div class="viewcode-block" id="Tick.get_view_interval"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.get_view_interval.html#matplotlib.axis.Tick.get_view_interval">[docs]</a> def get_view_interval(self):

"""

Return the view limits ``(min, max)`` of the axis the tick belongs to.

"""

raise NotImplementedError('Derived must override')</div>

def _apply_params(self, **kw):

for name, target in [("gridOn", self.gridline),

("tick1On", self.tick1line),

("tick2On", self.tick2line),

("label1On", self.label1),

("label2On", self.label2)]:

if name in kw:

target.set_visible(kw.pop(name))

if any(k in kw for k in ['size', 'width', 'pad', 'tickdir']):

self._size = kw.pop('size', self._size)

# Width could be handled outside this block, but it is

# convenient to leave it here.

self._width = kw.pop('width', self._width)

self._base_pad = kw.pop('pad', self._base_pad)

# apply_tickdir uses _size and _base_pad to make _pad,

# and also makes _tickmarkers.

self.apply_tickdir(kw.pop('tickdir', self._tickdir))

self.tick1line.set_marker(self._tickmarkers[0])

self.tick2line.set_marker(self._tickmarkers[1])

for line in (self.tick1line, self.tick2line):

line.set_markersize(self._size)

line.set_markeredgewidth(self._width)

# _get_text1_transform uses _pad from apply_tickdir.

trans = self._get_text1_transform()[0]

self.label1.set_transform(trans)

trans = self._get_text2_transform()[0]

self.label2.set_transform(trans)

tick_kw = {k: v for k, v in kw.items() if k in ['color', 'zorder']}

if 'color' in kw:

tick_kw['markeredgecolor'] = kw['color']

self.tick1line.set(**tick_kw)

self.tick2line.set(**tick_kw)

for k, v in tick_kw.items():

setattr(self, '_' + k, v)

if 'labelrotation' in kw:

self._set_labelrotation(kw.pop('labelrotation'))

self.label1.set(rotation=self._labelrotation[1])

self.label2.set(rotation=self._labelrotation[1])

label_kw = {k[5:]: v for k, v in kw.items()

if k in ['labelsize', 'labelcolor']}

if k in _gridline_param_names}

self.gridline.set(**grid_kw)

<div class="viewcode-block" id="Tick.update_position"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Tick.update_position.html#matplotlib.axis.Tick.update_position">[docs]</a> def update_position(self, loc):

"""Set the location of tick in data coords with scalar *loc*."""

raise NotImplementedError('Derived must override')</div>

def _get_text1_transform(self):

raise NotImplementedError('Derived must override')

def _get_text2_transform(self):

raise NotImplementedError('Derived must override')</div>

<div class="viewcode-block" id="XTick"><a class="viewcode-back" href="../../api/axis_api.html#matplotlib.axis.XTick">[docs]</a>class XTick(Tick):

"""

Contains all the Artists needed to make an x tick - the tick line,

the label text and the grid line

"""

__name__ = 'xtick'

def __init__(self, *args, **kwargs):

super().__init__(*args, **kwargs)

# x in data coords, y in axes coords

self.tick1line.set(

xdata=[0], ydata=[0],

transform=self.axes.get_xaxis_transform(which="tick1"),

marker=self._tickmarkers[0],

)

self.tick2line.set(

)

self.gridline.set(

xdata=[0, 0], ydata=[0, 1],

)

# the y loc is 3 points below the min of y axis

trans, va, ha = self._get_text1_transform()

self.label1.set(

x=0, y=0,

verticalalignment=va, horizontalalignment=ha, transform=trans,

)

self.label2.set(

x=0, y=1,

)

def _get_text1_transform(self):

return self.axes.get_xaxis_text1_transform(self._pad)

def _get_text2_transform(self):

return self.axes.get_xaxis_text2_transform(self._pad)

def apply_tickdir(self, tickdir):

# docstring inherited

super().apply_tickdir(tickdir)

self._tickmarkers = {

'out': (mlines.TICKDOWN, mlines.TICKUP),

'in': (mlines.TICKUP, mlines.TICKDOWN),

'inout': ('|', '|'),

}[self._tickdir]

self.stale = True

def update_position(self, loc):

"""Set the location of tick in data coords with scalar *loc*."""

self.tick1line.set_xdata((loc,))

self.tick2line.set_xdata((loc,))

self.gridline.set_xdata((loc,))

self.label1.set_x(loc)

self.label2.set_x(loc)

self._loc = loc

self.stale = True

def get_view_interval(self):

# docstring inherited

return self.axes.viewLim.intervalx</div>

<div class="viewcode-block" id="YTick"><a class="viewcode-back" href="../../api/axis_api.html#matplotlib.axis.YTick">[docs]</a>class YTick(Tick):

"""

Contains all the Artists needed to make a Y tick - the tick line,

the label text and the grid line

"""

__name__ = 'ytick'

# x in axes coords, y in data coords

self.tick1line.set(

transform=self.axes.get_yaxis_transform(which="tick1"),

)

self.tick2line.set(

xdata=[1], ydata=[0],

transform=self.axes.get_yaxis_transform(which="tick2"),

)

self.gridline.set(

xdata=[0, 1], ydata=[0, 0],

transform=self.axes.get_yaxis_transform(which="grid"),

)

# the y loc is 3 points below the min of y axis

self.label1.set(

x=0, y=0,

)

self.label2.set(

x=1, y=0,

)

def _get_text1_transform(self):

return self.axes.get_yaxis_text1_transform(self._pad)

def _get_text2_transform(self):

return self.axes.get_yaxis_text2_transform(self._pad)

def apply_tickdir(self, tickdir):

# docstring inherited

super().apply_tickdir(tickdir)

self._tickmarkers = {

'out': (mlines.TICKLEFT, mlines.TICKRIGHT),

'in': (mlines.TICKRIGHT, mlines.TICKLEFT),

'inout': ('_', '_'),

}[self._tickdir]

self.stale = True

def update_position(self, loc):

"""Set the location of tick in data coords with scalar *loc*."""

self.tick1line.set_ydata((loc,))

self.tick2line.set_ydata((loc,))

self.gridline.set_ydata((loc,))

self.label1.set_y(loc)

self.label2.set_y(loc)

self._loc = loc

self.stale = True

def get_view_interval(self):

# docstring inherited

<div class="viewcode-block" id="Ticker"><a class="viewcode-back" href="../../api/axis_api.html#matplotlib.axis.Ticker">[docs]</a>class Ticker:

"""

A container for the objects defining tick position and format.

Attributes

----------

locator : `matplotlib.ticker.Locator` subclass

Determines the positions of the ticks.

formatter : `matplotlib.ticker.Formatter` subclass

Determines the format of the tick labels.

"""

def __init__(self):

self._locator = None

self._formatter = None

@property

def locator(self):

return self._locator

@locator.setter

def locator(self, locator):

if not isinstance(locator, mticker.Locator):

raise TypeError('locator must be a subclass of '

'matplotlib.ticker.Locator')

self._locator = locator

@property

def formatter(self):

return self._formatter

@formatter.setter

def formatter(self, formatter):

if not isinstance(formatter, mticker.Formatter):

raise TypeError('formatter must be a subclass of '

'matplotlib.ticker.Formatter')

self._formatter = formatter</div>

class _LazyTickList:

"""

A descriptor for lazy instantiation of tick lists.

See comment above definition of the ``majorTicks`` and ``minorTicks``

attributes.

"""

def __init__(self, major):

self._major = major

def __get__(self, instance, cls):

if instance is None:

return self

else:

# instance._get_tick() can itself try to access the majorTicks

# attribute (e.g. in certain projection classes which override

# e.g. get_xaxis_text1_transform). In order to avoid infinite

# recursion, first set the majorTicks on the instance to an empty

# list, then create the tick and append it.

if self._major:

instance.majorTicks = []

tick = instance._get_tick(major=True)

instance.majorTicks.append(tick)

return instance.majorTicks

else:

instance.minorTicks = []

instance.minorTicks.append(tick)

return instance.minorTicks

<div class="viewcode-block" id="Axis"><a class="viewcode-back" href="../../api/axis_api.html#matplotlib.axis.Axis">[docs]</a>class Axis(martist.Artist):

"""

Base class for `.XAxis` and `.YAxis`.

Attributes

----------

isDefault_label : bool

axes : `matplotlib.axes.Axes`

The `~.axes.Axes` to which the Axis belongs.

major : `matplotlib.axis.Ticker`

Determines the major tick positions and their label format.

minor : `matplotlib.axis.Ticker`

Determines the minor tick positions and their label format.

callbacks : `matplotlib.cbook.CallbackRegistry`

label : `.Text`

The axis label.

labelpad : float

The distance between the axis label and the tick labels.

Defaults to :rc:`axes.labelpad` = 4.

offsetText : `.Text`

A `.Text` object containing the data offset of the ticks (if any).

pickradius : float

The acceptance radius for containment tests. See also `.Axis.contains`.

majorTicks : list of `.Tick`

The major ticks.

minorTicks : list of `.Tick`

The minor ticks.

"""

OFFSETTEXTPAD = 3

def __str__(self):

return "{}({},{})".format(

type(self).__name__, *self.axes.transAxes.transform((0, 0)))

def __init__(self, axes, pickradius=15):

"""

Parameters

----------

axes : `matplotlib.axes.Axes`

The `~.axes.Axes` to which the created Axis belongs.

pickradius : float

The acceptance radius for containment tests. See also

`.Axis.contains`.

"""

super().__init__()

self._remove_overlapping_locs = True

self.isDefault_label = True

self.axes = axes

self.major = Ticker()

self.minor = Ticker()

self.callbacks = cbook.CallbackRegistry()

self._autolabelpos = True

self.label = mtext.Text(

np.nan, np.nan,

fontsize=mpl.rcParams['axes.labelsize'],

fontweight=mpl.rcParams['axes.labelweight'],

)

self._set_artist_props(self.label)

self.offsetText = mtext.Text(np.nan, np.nan)

self.labelpad = mpl.rcParams['axes.labelpad']

self.pickradius = pickradius

# Initialize here for testing; later add API

self._major_tick_kw = dict()

self._minor_tick_kw = dict()

self.clear()

self._set_scale('linear')

# During initialization, Axis objects often create ticks that are later

# unused; this turns out to be a very slow step. Instead, use a custom

# descriptor to make the tick lists lazy and instantiate them as needed.

majorTicks = _LazyTickList(major=True)

minorTicks = _LazyTickList(major=False)

<div class="viewcode-block" id="Axis.get_remove_overlapping_locs"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.get_remove_overlapping_locs.html#matplotlib.axis.Axis.get_remove_overlapping_locs">[docs]</a> def get_remove_overlapping_locs(self):

return self._remove_overlapping_locs</div>

<div class="viewcode-block" id="Axis.set_remove_overlapping_locs"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.set_remove_overlapping_locs.html#matplotlib.axis.Axis.set_remove_overlapping_locs">[docs]</a> def set_remove_overlapping_locs(self, val):

self._remove_overlapping_locs = bool(val)</div>

remove_overlapping_locs = property(

get_remove_overlapping_locs, set_remove_overlapping_locs,

doc=('If minor ticker locations that overlap with major '

'ticker locations should be trimmed.'))

<div class="viewcode-block" id="Axis.set_label_coords"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.set_label_coords.html#matplotlib.axis.Axis.set_label_coords">[docs]</a> def set_label_coords(self, x, y, transform=None):

"""

Set the coordinates of the label.

By default, the x coordinate of the y label and the y coordinate of the

x label are determined by the tick label bounding boxes, but this can

lead to poor alignment of multiple labels if there are multiple axes.

You can also specify the coordinate system of the label with the

transform. If None, the default coordinate system will be the axes

coordinate system: (0, 0) is bottom left, (0.5, 0.5) is center, etc.

"""

self._autolabelpos = False

if transform is None:

transform = self.axes.transAxes

self.label.set_transform(transform)

self.label.set_position((x, y))

self.stale = True</div>

def get_transform(self):

return self._scale.get_transform()

<div class="viewcode-block" id="Axis.get_scale"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.get_scale.html#matplotlib.axis.Axis.get_scale">[docs]</a> def get_scale(self):

"""Return this Axis' scale (as a str)."""

return self._scale.name</div>

def _set_scale(self, value, **kwargs):

if not isinstance(value, mscale.ScaleBase):

self._scale = mscale.scale_factory(value, self, **kwargs)

else:

self._scale = value

self._scale.set_default_locators_and_formatters(self)

self.isDefault_majloc = True

self.isDefault_minloc = True

self.isDefault_majfmt = True

self.isDefault_minfmt = True

<div class="viewcode-block" id="Axis.limit_range_for_scale"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.limit_range_for_scale.html#matplotlib.axis.Axis.limit_range_for_scale">[docs]</a> def limit_range_for_scale(self, vmin, vmax):

return self._scale.limit_range_for_scale(vmin, vmax, self.get_minpos())</div>

def get_children(self):

return [self.label, self.offsetText,

*self.get_major_ticks(), *self.get_minor_ticks()]

def _reset_major_tick_kw(self):

self._major_tick_kw.clear()

self._major_tick_kw['gridOn'] = (

mpl.rcParams['axes.grid'] and

mpl.rcParams['axes.grid.which'] in ('both', 'major'))

def _reset_minor_tick_kw(self):

self._minor_tick_kw.clear()

self._minor_tick_kw['gridOn'] = (

mpl.rcParams['axes.grid'] and

<div class="viewcode-block" id="Axis.clear"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.clear.html#matplotlib.axis.Axis.clear">[docs]</a> def clear(self):

"""

Clear the axis.

This resets axis properties to their default values:

- the label

- the scale

- locators, formatters and ticks

- major and minor grid

- units

- registered callbacks

"""

self.label.set_text('') # self.set_label_text would change isDefault_

self._set_scale('linear')

# Clear the callback registry for this axis, or it may "leak"

self._reset_major_tick_kw()

self._reset_minor_tick_kw()

self.reset_ticks()

self.converter = None

self.units = None

self.set_units(None)

self.stale = True</div>

<div class="viewcode-block" id="Axis.cla"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.cla.html#matplotlib.axis.Axis.cla">[docs]</a> @_api.deprecated("3.4", alternative="Axis.clear()")

def cla(self):

"""Clear this axis."""

return self.clear()</div>

<div class="viewcode-block" id="Axis.reset_ticks"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.reset_ticks.html#matplotlib.axis.Axis.reset_ticks">[docs]</a> def reset_ticks(self):

"""

Re-initialize the major and minor Tick lists.

Each list starts with a single fresh Tick.

"""

# Restore the lazy tick lists.

try:

del self.majorTicks

except AttributeError:

pass

try:

del self.minorTicks

except AttributeError:

pass

try:

self.set_clip_path(self.axes.patch)

except AttributeError:

pass</div>

<div class="viewcode-block" id="Axis.set_tick_params"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.axis.Axis.set_tick_params.html#matplotlib.axis.Axis.set_tick_params">[docs]</a> def set_tick_params(self, which='major', reset=False, **kw):

"""

Set appearance parameters for ticks, ticklabels, and gridlines.

For documentation of keyword arguments, see

:meth:`matplotlib.axes.Axes.tick_params`.

"""

_api.check_in_list(['major', 'minor', 'both'], which=which)

kwtrans = self._translate_tick_kw(kw)

# the kwargs are stored in self._major/minor_tick_kw so that any

# future new ticks will automatically get them

if reset:

if which in ['major', 'both']:

self._reset_major_tick_kw()

self._major_tick_kw.update(kwtrans)

if which in ['minor', 'both']:

self._reset_minor_tick_kw()

self._minor_tick_kw.update(kwtrans)

self.reset_ticks()

else:

for tick in self.majorTicks:

tick._apply_params(**kwtrans)

for tick in self.minorTicks:

tick._apply_params(**kwtrans)

# labelOn and labelcolor also apply to the offset text.

if 'label1On' in kwtrans or 'label2On' in kwtrans:

self.offsetText.set_visible(

self._major_tick_kw.get('label1On', False)

or self._major_tick_kw.get('label2On', False))

if 'labelcolor' in kwtrans:

self.offsetText.set_color(kwtrans['labelcolor'])

self.stale = True</div>

@staticmethod

def _translate_tick_kw(kw):

# The following lists may be moved to a more accessible location.

kwkeys = ['size', 'width', 'color', 'tickdir', 'pad',

'labelsize', 'labelcolor', 'zorder', 'gridOn',

'tick1On', 'tick2On', 'label1On', 'label2On',

'length', 'direction', 'left', 'bottom', 'right', 'top',

'labelleft', 'labelbottom', 'labelright', 'labeltop',

'labelrotation'] + _gridline_param_names

kwtrans = {}

if 'length' in kw:

kwtrans['size'] = kw.pop('length')

if 'direction' in kw:

kwtrans['tickdir'] = kw.pop('direction')

if 'rotation' in kw:

kwtrans['labelrotation'] = kw.pop('rotation')

if 'left' in kw:

kwtrans['tick1On'] = kw.pop('left')

if 'bottom' in kw:

if 'right' in kw:

kwtrans['tick2On'] = kw.pop('right')

if 'top' in kw:

if 'labelleft' in kw:

kwtrans['label1On'] = kw.pop('labelleft')

if 'labelbottom' in kw:

if 'labelright' in kw:

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