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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.table — Matplotlib 3.2.0 documentation</title>

title="Search within Matplotlib 3.2.0 documentation"

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

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<div id="unreleased-message"> You are reading an old version of the documentation (v3.2.0). For the latest version see <a href="/stable/">https://matplotlib.org/stable/</a> </div>

<div style="float: left; position: absolute; width: 496px; bottom: 0; padding-bottom: 24px">Version 3.2.0</div>

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

# Original code by:

# John Gill <jng@europe.renre.com>

#

# Subsequent changes:

# The Matplotlib development team

# Copyright The Matplotlib development team

"""

This module provides functionality to add a table to a plot.

Use the factory function `~matplotlib.table.table` to create a ready-made

table from texts. If you need more control, use the `.Table` class and its

methods.

The table consists of a grid of cells, which are indexed by (row, column).

The cell (0, 0) is positioned at the top left.

Thanks to John Gill for providing the class and table.

"""

from . import artist, cbook, docstring

from .artist import Artist, allow_rasterization

from .patches import Rectangle

from .text import Text

from .transforms import Bbox

from .path import Path

class Cell(Rectangle):

"""

A cell is a `.Rectangle` with some associated `.Text`.

.. note:

As a user, you'll most likely not creates cells yourself. Instead, you

should use either the `~matplotlib.table.table` factory function or

`.Table.add_cell`.

Parameters

----------

xy : 2-tuple

The position of the bottom left corner of the cell.

width : float

The cell width.

height : float

The cell height.

edgecolor : color

The color of the cell border.

facecolor : color

The cell facecolor.

fill : bool

Whether the cell background is filled.

text : str

The cell text.

loc : {'left', 'center', 'right'}, default: 'right'

The alignment of the text within the cell.

fontproperties : dict

A dict defining the font properties of the text. Supported keys and

values are the keyword arguments accepted by `.FontProperties`.

"""

PAD = 0.1

"""Padding between text and rectangle."""

def __init__(self, xy, width, height,

edgecolor='k', facecolor='w',

fill=True,

text='',

loc=None,

fontproperties=None

):

# Call base

Rectangle.__init__(self, xy, width=width, height=height, fill=fill,

edgecolor=edgecolor, facecolor=facecolor)

self.set_clip_on(False)

# Create text object

if loc is None:

loc = 'right'

self._loc = loc

self._text = Text(x=xy[0], y=xy[1], text=text,

fontproperties=fontproperties)

self._text.set_clip_on(False)

def set_transform(self, trans):

Rectangle.set_transform(self, trans)

# the text does not get the transform!

self.stale = True

def set_figure(self, fig):

Rectangle.set_figure(self, fig)

self._text.set_figure(fig)

def get_text(self):

"""Return the cell `.Text` instance."""

return self._text

def set_fontsize(self, size):

"""Set the text fontsize."""

self._text.set_fontsize(size)

self.stale = True

def get_fontsize(self):

"""Return the cell fontsize."""

return self._text.get_fontsize()

def auto_set_font_size(self, renderer):

"""Shrink font size until the text fits into the cell width."""

fontsize = self.get_fontsize()

required = self.get_required_width(renderer)

while fontsize > 1 and required > self.get_width():

fontsize -= 1

self.set_fontsize(fontsize)

return fontsize

@allow_rasterization

def draw(self, renderer):

if not self.get_visible():

return

# draw the rectangle

Rectangle.draw(self, renderer)

# position the text

self._set_text_position(renderer)

self._text.draw(renderer)

self.stale = False

def _set_text_position(self, renderer):

"""Set text up so it draws in the right place.

Currently support 'left', 'center' and 'right'

"""

bbox = self.get_window_extent(renderer)

l, b, w, h = bbox.bounds

# draw in center vertically

self._text.set_verticalalignment('center')

y = b + (h / 2.0)

# now position horizontally

if self._loc == 'center':

self._text.set_horizontalalignment('center')

elif self._loc == 'left':

x = l + (w * self.PAD)

else:

x = l + (w * (1.0 - self.PAD))

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

def get_text_bounds(self, renderer):

"""

Return the text bounds as *(x, y, width, height)* in table coordinates.

"""

bbox = self._text.get_window_extent(renderer)

bboxa = bbox.inverse_transformed(self.get_data_transform())

return bboxa.bounds

def get_required_width(self, renderer):

"""Return the minimal required width for the cell."""

l, b, w, h = self.get_text_bounds(renderer)

return w * (1.0 + (2.0 * self.PAD))

@docstring.dedent_interpd

def set_text_props(self, **kwargs):

"""

Update the text properties.

Valid keyword arguments are:

%(Text)s

"""

self._text.update(kwargs)

self.stale = True

class CustomCell(Cell):

"""

A `.Cell` subclass with configurable edge visibility.

"""

_edges = 'BRTL'

_edge_aliases = {'open': '',

'closed': _edges, # default

'horizontal': 'BT',

'vertical': 'RL'

}

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

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

self.visible_edges = visible_edges

@property

def visible_edges(self):

"""

The cell edges to be drawn with a line.

Reading this property returns a substring of 'BRTL' (bottom, right,

top, left').

When setting this property, you can use a substring of 'BRTL' or one

of {'open', 'closed', 'horizontal', 'vertical'}.

"""

return self._visible_edges

@visible_edges.setter

def visible_edges(self, value):

if value is None:

self._visible_edges = self._edges

elif value in self._edge_aliases:

self._visible_edges = self._edge_aliases[value]

else:

if any(edge not in self._edges for edge in value):

raise ValueError('Invalid edge param {}, must only be one of '

'{} or string of {}'.format(

value,

", ".join(self._edge_aliases),

self._visible_edges = value

self.stale = True

def get_path(self):

"""Return a `.Path` for the `.visible_edges`."""

codes = [Path.MOVETO]

codes.extend(

Path.LINETO if edge in self._visible_edges else Path.MOVETO

for edge in self._edges)

if Path.MOVETO not in codes[1:]: # All sides are visible

codes[-1] = Path.CLOSEPOLY

return Path(

[[0.0, 0.0], [1.0, 0.0], [1.0, 1.0], [0.0, 1.0], [0.0, 0.0]],

codes,

readonly=True

)

class Table(Artist):

"""

A table of cells.

The table consists of a grid of cells, which are indexed by (row, column).

For a simple table, you'll have a full grid of cells with indices from

(0, 0) to (num_rows-1, num_cols-1), in which the cell (0, 0) is positioned

at the top left. However, you can also add cells with negative indices.

You don't have to add a cell to every grid position, so you can create

tables that have holes.

*Note*: You'll usually not create an empty table from scratch. Instead use

`~matplotlib.table.table` to create a table from data.

"""

codes = {'best': 0,

'upper right': 1, # default

'upper left': 2,

'lower left': 3,

'lower right': 4,

'center left': 5,

'center right': 6,

'lower center': 7,

'upper center': 8,

'center': 9,

'top right': 10,

'top left': 11,

'bottom left': 12,

'bottom right': 13,

'right': 14,

'left': 15,

'top': 16,

'bottom': 17,

}

"""Possible values where to place the table relative to the Axes."""

FONTSIZE = 10

AXESPAD = 0.02

"""The border between the Axes and the table edge in Axes units."""

def __init__(self, ax, loc=None, bbox=None, **kwargs):

"""

Parameters

----------

ax : `matplotlib.axes.Axes`

The `~.axes.Axes` to plot the table into.

loc : str

The position of the cell with respect to *ax*. This must be one of

the `~.Table.codes`.

bbox : `.Bbox` or None

A bounding box to draw the table into. If this is not *None*, this

overrides *loc*.

Other Parameters

----------------

**kwargs

`.Artist` properties.

"""

Artist.__init__(self)

if isinstance(loc, str):

if loc not in self.codes:

cbook.warn_deprecated(

"3.1", message="Unrecognized location {!r}. Falling back "

"on 'bottom'; valid locations are\n\t{}\n"

"This will raise an exception %(removal)s."

.format(loc, '\n\t'.join(self.codes)))

loc = 'bottom'

loc = self.codes[loc]

self.set_figure(ax.figure)

self._axes = ax

self._loc = loc

self._bbox = bbox

# use axes coords

ax._unstale_viewLim()

self.set_transform(ax.transAxes)

self._cells = {}

self._edges = None

self._autoColumns = []

self._autoFontsize = True

self.update(kwargs)

self.set_clip_on(False)

def add_cell(self, row, col, *args, **kwargs):

"""

Create a cell and add it to the table.

Parameters

----------

row : int

Row index.

col : int

Column index.

*args, **kwargs

All other parameters are passed on to `Cell`.

Returns

-------

cell : `.CustomCell`

The created cell.

"""

xy = (0, 0)

cell = CustomCell(xy, visible_edges=self.edges, *args, **kwargs)

self[row, col] = cell

return cell

def __setitem__(self, position, cell):

"""

Set a custom cell in a given position.

"""

cbook._check_isinstance(CustomCell, cell=cell)

try:

row, col = position[0], position[1]

except Exception:

raise KeyError('Only tuples length 2 are accepted as coordinates')

cell.set_figure(self.figure)

cell.set_transform(self.get_transform())

cell.set_clip_on(False)

self._cells[row, col] = cell

self.stale = True

def __getitem__(self, position):

"""Retrieve a custom cell from a given position."""

return self._cells[position]

@property

def edges(self):

"""

The default value of `~.CustomCell.visible_edges` for newly added

cells using `.add_cell`.

Notes

-----

This setting does currently only affect newly created cells using

`.add_cell`.

To change existing cells, you have to set their edges explicitly::

for c in tab.get_celld().values():

c.visible_edges = 'horizontal'

"""

return self._edges

@edges.setter

def edges(self, value):

self._edges = value

self.stale = True

def _approx_text_height(self):

return (self.FONTSIZE / 72.0 * self.figure.dpi /

self._axes.bbox.height * 1.2)

@allow_rasterization

def draw(self, renderer):

# docstring inherited

# Need a renderer to do hit tests on mouseevent; assume the last one

# will do

if renderer is None:

renderer = self.figure._cachedRenderer

if renderer is None:

raise RuntimeError('No renderer defined')

if not self.get_visible():

return

renderer.open_group('table', gid=self.get_gid())

self._update_positions(renderer)

for key in sorted(self._cells):

self._cells[key].draw(renderer)

renderer.close_group('table')

self.stale = False

def _get_grid_bbox(self, renderer):

"""

Get a bbox, in axes co-ordinates for the cells.

Only include those in the range (0, 0) to (maxRow, maxCol).

"""

boxes = [cell.get_window_extent(renderer)

for (row, col), cell in self._cells.items()

if row >= 0 and col >= 0]

bbox = Bbox.union(boxes)

return bbox.inverse_transformed(self.get_transform())

def contains(self, mouseevent):

# docstring inherited

inside, info = self._default_contains(mouseevent)

if inside is not None:

return inside, info

# TODO: Return index of the cell containing the cursor so that the user

# doesn't have to bind to each one individually.

if renderer is not None:

return bbox.contains(mouseevent.x, mouseevent.y), {}

else:

return False, {}

def get_children(self):

"""Return the Artists contained by the table."""

return list(self._cells.values())

def get_window_extent(self, renderer):

"""Return the bounding box of the table in window coords."""

self._update_positions(renderer)

for cell in self._cells.values()]

return Bbox.union(boxes)

def _do_cell_alignment(self):

"""

Calculate row heights and column widths; position cells accordingly.

"""

# Calculate row/column widths

widths = {}

heights = {}

height = heights.setdefault(row, 0.0)

heights[row] = max(height, cell.get_height())

width = widths.setdefault(col, 0.0)

widths[col] = max(width, cell.get_width())

# work out left position for each column

xpos = 0

lefts = {}

for col in sorted(widths):

lefts[col] = xpos

xpos += widths[col]

ypos = 0

bottoms = {}

for row in sorted(heights, reverse=True):

bottoms[row] = ypos

ypos += heights[row]

# set cell positions

cell.set_x(lefts[col])

cell.set_y(bottoms[row])

def auto_set_column_width(self, col):

"""

Automatically set the widths of given columns to optimal sizes.

Parameters

----------

col : int or sequence of ints

The indices of the columns to auto-scale.

"""

# check for col possibility on iteration

try:

iter(col)

except (TypeError, AttributeError):

self._autoColumns.append(col)

else:

for cell in col:

self.stale = True

def _auto_set_column_width(self, col, renderer):

"""Automatically set width for column."""

cells = [cell for key, cell in self._cells.items() if key[1] == col]

max_width = max((cell.get_required_width(renderer) for cell in cells),

default=0)

for cell in cells:

cell.set_width(max_width)

"""Automatically set font size."""

self._autoFontsize = value

self.stale = True

def _auto_set_font_size(self, renderer):

if len(self._cells) == 0:

return

fontsize = next(iter(self._cells.values())).get_fontsize()

cells = []

for key, cell in self._cells.items():

# ignore auto-sized columns

if key[1] in self._autoColumns:

continue

size = cell.auto_set_font_size(renderer)

fontsize = min(fontsize, size)

cells.append(cell)

# now set all fontsizes equal

cell.set_fontsize(fontsize)

def scale(self, xscale, yscale):

"""Scale column widths by *xscale* and row heights by *yscale*."""

for c in self._cells.values():

c.set_width(c.get_width() * xscale)

c.set_height(c.get_height() * yscale)

def set_fontsize(self, size):

"""

Set the font size, in points, of the cell text.

Parameters

----------

size : float

Notes

-----

As long as auto font size has not been disabled, the value will be

clipped such that the text fits horizontally into the cell.

You can disable this behavior using `.auto_set_font_size`.

>>> the_table.auto_set_font_size(False)

>>> the_table.set_fontsize(20)

However, there is no automatic scaling of the row height so that the

text may exceed the cell boundary.

"""

cell.set_fontsize(size)

self.stale = True

def _offset(self, ox, oy):

"""Move all the artists by ox, oy (axes coords)."""

x, y = c.get_x(), c.get_y()

c.set_x(x + ox)

c.set_y(y + oy)

def _update_positions(self, renderer):

# called from renderer to allow more precise estimates of

# widths and heights with get_window_extent

# Do any auto width setting

for col in self._autoColumns:

self._auto_set_column_width(col, renderer)

if self._autoFontsize:

self._auto_set_font_size(renderer)

# Align all the cells

self._do_cell_alignment()

bbox = self._get_grid_bbox(renderer)

if self._bbox is not None:

# Position according to bbox

rl, rb, rw, rh = self._bbox

self.scale(rw / w, rh / h)

ox = rl - l

oy = rb - b

self._do_cell_alignment()

else:

# Position using loc

(BEST, UR, UL, LL, LR, CL, CR, LC, UC, C,

TR, TL, BL, BR, R, L, T, B) = range(len(self.codes))

# defaults for center

ox = (0.5 - w / 2) - l

oy = (0.5 - h / 2) - b

if self._loc in (UL, LL, CL): # left

ox = self.AXESPAD - l

if self._loc in (BEST, UR, LR, R, CR): # right

ox = 1 - (l + w + self.AXESPAD)

if self._loc in (BEST, UR, UL, UC): # upper

oy = 1 - (b + h + self.AXESPAD)

if self._loc in (LL, LR, LC): # lower

oy = self.AXESPAD - b

if self._loc in (LC, UC, C): # center x

if self._loc in (CL, CR, C): # center y

if self._loc in (TL, BL, L): # out left

ox = - (l + w)

if self._loc in (TR, BR, R): # out right

ox = 1.0 - l

if self._loc in (TR, TL, T): # out top

oy = 1.0 - b

if self._loc in (BL, BR, B): # out bottom

oy = - (b + h)

self._offset(ox, oy)

def get_celld(self):

r"""

Return a dict of cells in the table mapping *(row, column)* to

`.Cell`\s.

Notes

-----

You can also directly index into the Table object to access individual

cells::

cell = table[row, col]

"""

return self._cells

docstring.interpd.update(Table=artist.kwdoc(Table))

@docstring.dedent_interpd

def table(ax,

cellText=None, cellColours=None,

cellLoc='right', colWidths=None,

rowLabels=None, rowColours=None, rowLoc='left',

colLabels=None, colColours=None, colLoc='center',

loc='bottom', bbox=None, edges='closed',

**kwargs):

"""

Add a table to an `~.axes.Axes`.

At least one of *cellText* or *cellColours* must be specified. These

parameters must be 2D lists, in which the outer lists define the rows and

the inner list define the column values per row. Each row must have the

same number of elements.

The table can optionally have row and column headers, which are configured

using *rowLabels*, *rowColours*, *rowLoc* and *colLabels*, *colColours*,

*colLoc* respectively.

For finer grained control over tables, use the `.Table` class and add it to

the axes with `.Axes.add_table`.

Parameters

----------

cellText : 2D list of str, optional

The texts to place into the table cells.

*Note*: Line breaks in the strings are currently not accounted for and

will result in the text exceeding the cell boundaries.

cellColours : 2D list of colors, optional

The background colors of the cells.

cellLoc : {'left', 'center', 'right'}, default: 'right'

The alignment of the text within the cells.

colWidths : list of float, optional

The column widths in units of the axes. If not given, all columns will

have a width of *1 / ncols*.

rowLabels : list of str, optional

The text of the row header cells.

rowColours : list of colors, optional

The colors of the row header cells.

rowLoc : {'left', 'center', 'right'}, optional, default: 'left'

The text alignment of the row header cells.

colLabels : list of str, optional

The text of the column header cells.

colColours : list of colors, optional

The colors of the column header cells.

colLoc : {'left', 'center', 'right'}, optional, default: 'left'

The text alignment of the column header cells.

loc : str, optional

The position of the cell with respect to *ax*. This must be one of

the `~.Table.codes`.

bbox : `.Bbox`, optional

A bounding box to draw the table into. If this is not *None*, this

overrides *loc*.

edges : substring of 'BRTL' or {'open', 'closed', 'horizontal', 'vertical'}

The cell edges to be drawn with a line. See also

`~.CustomCell.visible_edges`.

Other Parameters

----------------

**kwargs

`.Table` properties.

%(Table)s

Returns

-------

table : `~matplotlib.table.Table`

The created table.

"""

if cellColours is None and cellText is None:

raise ValueError('At least one argument from "cellColours" or '

'"cellText" must be provided to create a table.')

# Check we have some cellText

if cellText is None:

# assume just colours are needed

rows = len(cellColours)

cols = len(cellColours[0])

cellText = [[''] * cols] * rows

rows = len(cellText)

cols = len(cellText[0])

for row in cellText:

if len(row) != cols:

raise ValueError("Each row in 'cellText' must have {} columns"

.format(cols))

if cellColours is not None:

if len(cellColours) != rows:

raise ValueError("'cellColours' must have {} rows".format(rows))

for row in cellColours:

raise ValueError("Each row in 'cellColours' must have {} "

"columns".format(cols))

else:

cellColours = ['w' * cols] * rows

# Set colwidths if not given

if colWidths is None:

colWidths = [1.0 / cols] * cols

# Fill in missing information for column

# and row labels

rowLabelWidth = 0

if rowLabels is None:

if rowColours is not None:

rowLabels = [''] * rows

rowLabelWidth = colWidths[0]

elif rowColours is None:

rowColours = 'w' * rows

if rowLabels is not None:

if len(rowLabels) != rows:

raise ValueError("'rowLabels' must be of length {0}".format(rows))

# If we have column labels, need to shift

# the text and colour arrays down 1 row

offset = 1

if colLabels is None:

if colColours is not None:

colLabels = [''] * cols

else:

offset = 0

elif colColours is None:

colColours = 'w' * cols

# Set up cell colours if not given

if cellColours is None:

# Now create the table

table = Table(ax, loc, bbox, **kwargs)

table.edges = edges

height = table._approx_text_height()

# Add the cells

for row in range(rows):

for col in range(cols):

table.add_cell(row + offset, col,

width=colWidths[col], height=height,

text=cellText[row][col],

facecolor=cellColours[row][col],

loc=cellLoc)

# Do column labels

if colLabels is not None:

for col in range(cols):

table.add_cell(0, col,

text=colLabels[col], facecolor=colColours[col],

loc=colLoc)

# Do row labels

if rowLabels is not None:

for row in range(rows):

width=rowLabelWidth or 1e-15, height=height,

text=rowLabels[row], facecolor=rowColours[row],

loc=rowLoc)

if rowLabelWidth == 0:

table.auto_set_column_width(-1)

ax.add_table(table)

return table

</pre></div>

</div>

</div>

Last updated on Mar 04, 2020.

Created using

<a href="http://sphinx-doc.org/">Sphinx</a> 2.4.3.

Doc version v3.2.0-3-gea62ccde8.

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