Typings Module

datachart.typings

Module containing the typings.

The typings module holds the dictionary contracts of the package: the records a chart's data takes, the settings passed beside it (reference lines and bands, texts, legend, emphasis rule, colorbar), and the style keys a chart's style and the theme accept. A per-chart contract is documented on that chart's reference page; the shared ones on the typings page.

Typings by Chart

The records a chart's data takes and the keys its style accepts are documented on the chart's own reference page, next to the function that reads them.

Trends and Comparisons

Chart	Shows	Data	Style
LineChart	A value along an ordered axis, one line per series.	LineDataPointAttrs	LineStyleAttrs
StackedAreaChart	Parts of a total along an ordered axis, filled on top of each other.	LineDataPointAttrs	StackedAreaStyleAttrs
BumpChart	Rank over time, one line per series.	LineDataPointAttrs	BumpStyleAttrs
BarChart	A value per category as bars; series grouped, stacked, or overlaid.	BarDataPointAttrs	BarStyleAttrs
PyramidChart	Two series as horizontal bars mirrored around a shared category axis.	BarDataPointAttrs	BarStyleAttrs
RadialChart	Series on polar axes, as a radar line, an area, bars, or a histogram.	RadialDataPointAttrs	LineStyleAttrs, BarStyleAttrs, HistStyleAttrs, ScatterStyleAttrs
CalendarHeatmap	One colored cell per day, weeks as columns and weekdays as rows.	CalendarHeatmapDataAttrs	CalendarHeatmapStyleAttrs
GanttChart	A schedule: one bar per task from its start to its end over a date axis.	GanttTaskAttrs	GanttStyleAttrs
DumbbellChart	Two values per category, a dot at each and a connector between them.	DumbbellRecordAttrs	DumbbellStyleAttrs

Distributions

Chart	Shows	Data	Style
Histogram	The distribution of one numeric variable, binned.	HistDataPointAttrs	HistStyleAttrs
BoxPlot	Median, quartiles, whiskers, and outliers per group.	BoxDataPointAttrs	BoxStyleAttrs
ViolinPlot	The density profile of each group's distribution.	ViolinDataPointAttrs	ViolinStyleAttrs
SwarmPlot	Every observation as a point, spread within its group.	SwarmDataPointAttrs	SwarmStyleAttrs
RaincloudPlot	A half violin, the raw points, and a box per group.	RaincloudDataPointAttrs	RaincloudStyleAttrs
RidgelinePlot	One density ridge per group, stacked and partly overlapping.	RidgelineDataPointAttrs	RidgelineStyleAttrs

Relationships

Chart	Shows	Data	Style
ScatterChart	One point per observation, placed by two numeric variables.	ScatterDataPointAttrs	ScatterStyleAttrs
Heatmap	A two-dimensional matrix as colored cells.	HeatmapDataAttrs	HeatmapStyleAttrs
ContourChart	A surface sampled on a grid, as iso-lines or filled bands.	ContourDataAttrs	ContourStyleAttrs
HexbinChart	Point density on the plane, as colored hexagons.	HexbinDataAttrs	HexbinStyleAttrs
ParallelCoords	Each record as a polyline across one axis per dimension.	ParallelCoordsDataPointAttrs	ParallelCoordsStyleAttrs
NetworkChart	Nodes joined by edges, placed by a layout.	NetworkSingleChartAttrs	NetworkStyleAttrs
ScatterMatrix	A scatter chart for every pair of dimensions, distributions on the diagonal.	ScatterMatrixDataPointAttrs	StyleAttrs

Flows

Chart	Shows	Data	Style
SankeyChart	Weighted flows between categories, as ribbons between node columns.	SankeySingleChartAttrs	SankeyStyleAttrs

Part of a Whole

Chart	Shows	Data	Style
Treemap	Part-of-whole data as nested rectangles sized by value.	TreemapSingleChartAttrs	TreemapStyleAttrs

Settings

The dictionaries a chart takes beside its data: reference lines and bands, text annotations, the legend, the emphasis rule, and the colorbar. Each is a parameter of the chart function, and a field left out or set to None falls back to the theme.

I want to…	Pass	As
mark a value on the x or y axis	vlines, hlines	VLineSettingAttrs, HLineSettingAttrs
shade a range of the x or y axis	vspans, hspans	VSpanSettingAttrs, HSpanSettingAttrs
write a note on the chart	texts	TextSettingAttrs
title, place, or lay out the legend	legend	LegendSettingAttrs
highlight the series or marks matching a rule	emphasis_rule	EmphasisRuleAttrs
place or format the colorbar	colorbar	ColorbarSettingAttrs

datachart.typings.VLineSettingAttrs

Bases: TypedDict

The vertical reference line setting, passed to a chart front as vlines.

ATTRIBUTE	DESCRIPTION
x	The x-axis position of the line. TYPE: int | float
ymin	The minimum y-axis position value. TYPE: int | float | None
ymax	The maximum y-axis position value. TYPE: int | float | None
style	The vertical line style attributes. TYPE: VLineStyleAttrs | None
label	The label of the vertical line. TYPE: str | None

datachart.typings.HLineSettingAttrs

Bases: TypedDict

The horizontal reference line setting, passed to a chart front as hlines.

ATTRIBUTE	DESCRIPTION
y	The x-axis position of the line. TYPE: int | float
xmin	The minimum y-axis position value. TYPE: int | float | None
xmax	The maximum y-axis position value. TYPE: int | float | None
style	The horizontal line style attributes. TYPE: HLineStyleAttrs | None
label	The label of the horizontal line. TYPE: str | None

datachart.typings.VSpanSettingAttrs

Bases: TypedDict

The vertical reference band setting, passed to a chart front as vspans.

A vertical band shades the region between two x-axis positions over the full height of the axes. On a radial chart the bounds are angles in degrees and the band is a wedge over the full radius.

ATTRIBUTE	DESCRIPTION
xmin	The lower x-axis bound. Defaults to the axis minimum. TYPE: int | float | None
xmax	The upper x-axis bound. Defaults to the axis maximum. TYPE: int | float | None
style	The vertical band style attributes. TYPE: VSpanStyleAttrs | None
label	The label of the band (shown in the legend). TYPE: str | None

datachart.typings.HSpanSettingAttrs

Bases: TypedDict

The horizontal reference band setting, passed to a chart front as hspans.

A horizontal band shades the region between two y-axis positions over the full width of the axes. On a radial chart the bounds are radii and the band is an annulus over the full circle.

ATTRIBUTE	DESCRIPTION
ymin	The lower y-axis bound. Defaults to the axis minimum. TYPE: int | float | None
ymax	The upper y-axis bound. Defaults to the axis maximum. TYPE: int | float | None
style	The horizontal band style attributes. TYPE: HSpanStyleAttrs | None
label	The label of the band (shown in the legend). TYPE: str | None

datachart.typings.TextSettingAttrs

Bases: TypedDict

The text annotation setting, passed to a chart front as texts.

ATTRIBUTE	DESCRIPTION
text	The annotation text. TYPE: str
x	The x-axis position of the text. TYPE: int | float
y	The y-axis position of the text. TYPE: int | float
coords	The coordinate system of the text position: "data" (default) or "axes" (axes fraction, 0–1). TYPE: str | None
target	The data point the connector points to, always in data coordinates. When present, a connector is drawn from the text to the target. TYPE: tuple[int | float, int | float] | None
style	The per-text style attributes. TYPE: TextStyleAttrs | None
subplot	The 0-based index, in render order, of the subplot the text lands in. Read only by Annotate on a multi-subplot figure, where every text must name one; chart fronts target subplots with a list of lists instead. TYPE: int | None

datachart.typings.LegendSettingAttrs

Bases: TypedDict

The per-figure legend setting, passed to a chart front as legend.

Every field is optional; a None field falls back to the theme's plot_legend_* attribute of the same name.

ATTRIBUTE	DESCRIPTION
title	The legend title; an empty string draws none. TYPE: str | None
location	The legend location. An outside member places the legend beside the axes. TYPE: LEGEND_LOCATION | str | None
ncols	The number of legend columns. TYPE: int | None
alignment	The legend alignment. TYPE: LEGEND_ALIGN | str | None

datachart.typings.EmphasisRuleAttrs

Bases: TypedDict

The emphasis rule setting, passed to a chart front as emphasis_rule.

Exactly one comparison key: a unit matching it is highlighted and every other unit muted. Each front selects its own unit — a bar, leaf, node, row, cell or bin reads its one value; a group or series reads a summary of its values, chosen by by. A unit's explicit emphasis role wins.

ATTRIBUTE	DESCRIPTION
above	Highlight values strictly above this. TYPE: int | float
below	Highlight values strictly below this. TYPE: int | float
between	Highlight values within (lo, hi), both bounds inclusive. TYPE: tuple[int | float, int | float]
top	Highlight the n largest values; ties keep input order. TYPE: int
bottom	Highlight the n smallest values; ties keep input order. TYPE: int
by	The summary a group or series is read by. Groups default to "median", series to "mean"; a front reading one value per unit rejects it. TYPE: Literal['mean', 'median', 'min', 'max', 'sum']

datachart.typings.ColorbarSettingAttrs

Bases: TypedDict

The per-figure colorbar setting, passed to a chart front as colorbar.

Every field is optional. location is the control: it places the bar on any edge of the chart. With no location, orientation derives the edge: vertical means right, horizontal means top. When both are given location wins.

ATTRIBUTE	DESCRIPTION
label	The caption beside the bar, reading along it; drawn in the font_ylabel_* theme font. TYPE: str | None
location	The chart edge the bar sits on. TYPE: COLORBAR_LOCATION | str | None
format	The format of the bar's tick labels, with the value named x (e.g. "{x:.0f}"). On a hexbin chart, valfmt still applies when this is unset. TYPE: VALUE_FORMAT | str | None
ticks	Explicit tick positions on the bar; positions outside the mapped value range are not drawn. TYPE: list[int | float] | None
orientation	The orientation; derives the edge when location is unset. TYPE: ORIENTATION | str | None

Shared Style

Style groups several charts read from their style dictionary: the value labels show_values prints, the area fill, the regression line, reference lines and bands, and text annotations. A chart's reference page says which of them it draws, and every key is also a theme key.

datachart.typings.ValueLabelStyleAttrs

Bases: TypedDict

The typing for the value labels: the numbers a chart prints beside its marks when show_values is on. One style serves every chart that takes show_values; the plot_bar_value_* keys of BarStyleAttrs are aliases.

ATTRIBUTE	DESCRIPTION
plot_value_fontsize	The font size of the value labels. TYPE: int | float | None
plot_value_color	The color of the value labels. TYPE: str | None
plot_value_padding	The gap between a mark and its value label, in points. TYPE: int | float | None
plot_value_halo_width	The width, in points, of the halo, in the axes face color, stroked around the value labels so they stay legible over marks and lines. None or 0 draws no halo. TYPE: int | float | None

datachart.typings.AreaStyleAttrs

Bases: TypedDict

The typing for the area style.

ATTRIBUTE	DESCRIPTION
plot_area_alpha	The alpha value of the area. TYPE: float | None
plot_area_color	The color of the area. TYPE: str | None
plot_area_linewidth	The line width of the area. TYPE: int | float | None
plot_area_hatch	The hatch style of the area. TYPE: HATCH_STYLE | str | None
plot_area_zorder	The zorder of the area. TYPE: int | None

datachart.typings.RegressionStyleAttrs

Bases: TypedDict

The typing for regression line style.

ATTRIBUTE	DESCRIPTION
plot_regression_color	The regression line color. TYPE: str | None
plot_regression_alpha	The alpha of the regression line. TYPE: float | None
plot_regression_width	The line width. TYPE: int | float | None
plot_regression_style	The line style. TYPE: LINE_STYLE | str | None
plot_regression_ci_alpha	Confidence interval alpha. TYPE: float | None

datachart.typings.VLineStyleAttrs

Bases: TypedDict

The typing for the vertical line style.

ATTRIBUTE	DESCRIPTION
plot_vline_color	The color of the vertical line. TYPE: str | None
plot_vline_style	The style of the vertical line. TYPE: LINE_STYLE | str | None
plot_vline_width	The width of the vertical line. TYPE: int | float | None
plot_vline_alpha	The alpha value of the vertical line. TYPE: float | None

datachart.typings.HLineStyleAttrs

Bases: TypedDict

The typing for the horizontal line style.

ATTRIBUTE	DESCRIPTION
plot_hline_color	The color of the horizontal line. TYPE: str | None
plot_hline_style	The style of the horizontal line. TYPE: LINE_STYLE | str | None
plot_hline_width	The width of the horizontal line. TYPE: int | float | None
plot_hline_alpha	The alpha value of the horizontal line. TYPE: float | None

datachart.typings.VSpanStyleAttrs

Bases: TypedDict

The typing for the vertical reference band style.

ATTRIBUTE	DESCRIPTION
plot_vspan_color	The fill color of the band. Defaults to the theme's muted color. TYPE: str | None
plot_vspan_alpha	The alpha value of the band. TYPE: float | None
plot_vspan_hatch	The hatch pattern of the band. TYPE: HATCH_STYLE | str | None
plot_vspan_edge_color	The edge color of the band; the hatch draws in it. TYPE: str | None
plot_vspan_edge_width	The edge line width of the band. TYPE: int | float | None
plot_vspan_zorder	The zorder of the band. Defaults to sit over the grid and under the marks. TYPE: int | float | None

datachart.typings.HSpanStyleAttrs

Bases: TypedDict

The typing for the horizontal reference band style.

ATTRIBUTE	DESCRIPTION
plot_hspan_color	The fill color of the band. Defaults to the theme's muted color. TYPE: str | None
plot_hspan_alpha	The alpha value of the band. TYPE: float | None
plot_hspan_hatch	The hatch pattern of the band. TYPE: HATCH_STYLE | str | None
plot_hspan_edge_color	The edge color of the band; the hatch draws in it. TYPE: str | None
plot_hspan_edge_width	The edge line width of the band. TYPE: int | float | None
plot_hspan_zorder	The zorder of the band. Defaults to sit over the grid and under the marks. TYPE: int | float | None

datachart.typings.TextStyleAttrs

Bases: TypedDict

The typing for the text annotation style.

ATTRIBUTE	DESCRIPTION
plot_text_color	The text color; falls back to the general font color. TYPE: str | None
plot_text_size	The text font size. TYPE: int | float | str | None
plot_text_weight	The text font weight. TYPE: FONT_WEIGHT | str | None
plot_text_halign	The horizontal alignment of the text. TYPE: str | None
plot_text_valign	The vertical alignment of the text. TYPE: str | None
plot_text_alpha	The alpha value of the text. TYPE: float | None
plot_text_box_visible	Whether to draw the background box. TYPE: bool | None
plot_text_box_style	The matplotlib box style (e.g. "round,pad=0.4"). TYPE: str | None
plot_text_box_facecolor	The face color of the box. TYPE: str | None
plot_text_box_edgecolor	The edge color of the box. TYPE: str | None
plot_text_box_edge_width	The edge width of the box. TYPE: int | float | None
plot_text_box_alpha	The alpha value of the box. TYPE: float | None
plot_text_arrow_style	The connector look (see ARROW_STYLE) or a raw matplotlib arrow style. TYPE: ARROW_STYLE | str | None
plot_text_arrow_curve	The connector curvature; overrides the look's own. TYPE: float | None
plot_text_arrow_color	The connector color. TYPE: str | None
plot_text_arrow_width	The connector line width. TYPE: int | float | None

Theme Style

The keys a theme defines and config holds: colors, fonts, axes, legend, grid, the theme-driven defaults, and the sketch and ink looks. StyleAttrs is their union together with every chart's own style keys; the config methods and register_theme take it, and the Themes guide shows how a theme is built from it.

datachart.typings.StyleAttrs

Bases: ColorStyleAttrs, FontStyleAttrs, AxesStyleAttrs, LegendStyleAttrs, AreaStyleAttrs, GridStyleAttrs, LineStyleAttrs, StackedAreaStyleAttrs, BumpStyleAttrs, SankeyStyleAttrs, TreemapStyleAttrs, NetworkStyleAttrs, BarStyleAttrs, ValueLabelStyleAttrs, HistStyleAttrs, VLineStyleAttrs, HLineStyleAttrs, VSpanStyleAttrs, HSpanStyleAttrs, TextStyleAttrs, HeatmapStyleAttrs, CalendarHeatmapStyleAttrs, GanttStyleAttrs, DumbbellStyleAttrs, ContourStyleAttrs, HexbinStyleAttrs, ScatterStyleAttrs, RegressionStyleAttrs, BoxStyleAttrs, SwarmStyleAttrs, ViolinStyleAttrs, RidgelineStyleAttrs, ParallelCoordsStyleAttrs, ScatterMatrixStyleAttrs, ThemeDefaultAttrs, SketchStyleAttrs, InkStyleAttrs

The style attributes. Combines all style typings.

datachart.typings.ColorStyleAttrs

Bases: TypedDict

The typing for the general color style.

ATTRIBUTE	DESCRIPTION
color_general_singular	The colors used where a chart needs one color rather than a series palette: the parallel coords numeric hue ramp and the network node base color (palette name, single color, or list of hex colors). TYPE: COLORS | str | list[str] | None
color_general_multiple	The colors used when the datasets share one coordinate space, which is the default for every chart (palette name, single color, or list of hex colors). TYPE: COLORS | str | list[str] | None
color_parallel_hue	The color palette for parallel coords hue categories (palette name, single color, or list of hex colors); None takes color_general_multiple. TYPE: COLORS | str | list[str] | None
color_parallel_hue_continuous	The sequential ramp for parallel coords numeric hue columns (palette name, single color, or list of hex colors). TYPE: COLORS | str | list[str] | None
muted_color	The color applied to background-emphasis layers. TYPE: str | None
muted_alpha	The alpha applied to background-emphasis layers. TYPE: float | None

datachart.typings.FontStyleAttrs

Bases: TypedDict

The typing for the font style.

ATTRIBUTE	DESCRIPTION
font_general_family	The general font family. TYPE: str | None
font_general_sansserif	The general sans-serif font. TYPE: list[str] | None
font_general_serif	The general serif font stack, used when the family is "serif". TYPE: list[str] | None
font_general_color	The general font color. TYPE: str | None
font_general_size	The general font size. TYPE: int | float | str | None
font_general_style	The general font style. TYPE: FONT_STYLE | str | None
font_general_weight	The general font weight. TYPE: FONT_WEIGHT | str | None
font_title_size	The title font size. TYPE: int | float | str | None
font_title_color	The title font color. TYPE: str | None
font_title_style	The title font style. TYPE: FONT_STYLE | str | None
font_title_weight	The title font weight. TYPE: FONT_WEIGHT | str | None
font_subtitle_size	The subtitle font size. TYPE: int | float | str | None
font_subtitle_color	The subtitle font color. TYPE: str | None
font_subtitle_style	The subtitle font style. TYPE: FONT_STYLE | None
font_subtitle_weight	The subtitle font weight. TYPE: FONT_WEIGHT | None
font_xlabel_size	The xlabel font size. TYPE: int | float | str | None
font_xlabel_color	The xlabel font color. TYPE: str | None
font_xlabel_style	The xlabel font style. TYPE: FONT_STYLE | str | None
font_xlabel_weight	The xlabel font weight. TYPE: FONT_WEIGHT | str | None
font_ylabel_size	The ylabel font size. TYPE: int | float | str | None
font_ylabel_color	The ylabel font color. TYPE: str | None
font_ylabel_style	The ylabel font style. TYPE: FONT_STYLE | str | None
font_ylabel_weight	The ylabel font weight. TYPE: FONT_WEIGHT | str | None

datachart.typings.AxesStyleAttrs

Bases: TypedDict

The typing for the axes style.

ATTRIBUTE	DESCRIPTION
axes_spines_top_visible	Make the top plot spine visible. TYPE: bool | None
axes_spines_right_visible	Make the right plot spine visible. TYPE: bool | None
axes_spines_bottom_visible	Make the bottom plot spine visible. TYPE: bool | None
axes_spines_left_visible	Make the left plot spine visible. TYPE: bool | None
axes_spines_width	The width of the spines. TYPE: int | float | None
axes_spines_zorder	The zorder of the spines. TYPE: int | None
axes_ticks_length	The length of the ticks. TYPE: int | float | None
axes_ticks_label_size	The size of the tick labels. TYPE: int | float | None
figure_facecolor	The color of the figure ground. None keeps matplotlib's. TYPE: str | None
axes_facecolor	The color of the axes ground; label halos and etch washes take it. None keeps matplotlib's. TYPE: str | None
axes_spines_color	The color of the spines. None keeps matplotlib's. TYPE: str | None
axes_ticks_color	The color of the tick marks. None keeps matplotlib's. TYPE: str | None

datachart.typings.LegendStyleAttrs

Bases: TypedDict

The typing for the legend style.

ATTRIBUTE	DESCRIPTION
plot_legend_shadow	Show the legends shadow. TYPE: bool | None
plot_legend_frameon	Show the legends frame. TYPE: bool | None
plot_legend_alignment	The legend alignment. TYPE: LEGEND_ALIGN | str | None
plot_legend_location	The legend location. TYPE: LEGEND_LOCATION | str | None
plot_legend_font_size	The font size within the legend. TYPE: int | float | str | None
plot_legend_title_size	The title size of the legend. TYPE: int | float | str | None
plot_legend_label_color	The label color of the legend. TYPE: str | None
plot_legend_title	The legend title; an empty string draws none. TYPE: str | None
plot_legend_ncols	The number of legend columns. TYPE: int | None
plot_legend_edge_color	The legend frame color. None keeps matplotlib's. TYPE: str | None
plot_legend_face_color	The legend background color. None keeps matplotlib's. TYPE: str | None

datachart.typings.GridStyleAttrs

Bases: TypedDict

The typing for the grid style.

ATTRIBUTE	DESCRIPTION
plot_grid_alpha	The alpha value of the grid. TYPE: float | None
plot_grid_color	The color of the grid. TYPE: str | None
plot_grid_linewidth	The line width of the grid. TYPE: int | float | None
plot_grid_linestyle	The line style of the grid. TYPE: LINE_STYLE | str | None
plot_grid_zorder	The zorder of the grid. TYPE: int | None

datachart.typings.ThemeDefaultAttrs

Bases: TypedDict

The typing for theme-driven defaults and cycles.

ATTRIBUTE	DESCRIPTION
chart_default_show_grid	The theme default for show_grid, applied when a chart call leaves it unset. Never applies to heatmaps. None means the theme has no opinion. TYPE: SHOW_GRID | str | None
chart_default_show_values	The theme default for show_values, applied to every chart that takes it when the chart call leaves it unset. None means the theme has no opinion. TYPE: bool | None
chart_default_node_label_position	The theme default for the network chart's label_position, applied when the chart call leaves it unset. None means the theme has no opinion. TYPE: NETWORK_LABEL_POSITION | str | None
plot_hatch_cycle	The hatch patterns assigned per bar/histogram series, parallel to the color cycle; with plot_etch on, line area fills and stacked areas take them too. An explicit per-chart hatch style wins. None disables the cycle. TYPE: list[str] | None
plot_linestyle_cycle	The line styles assigned per line, bump and radial line series, parallel to the color cycle. An explicit per-chart line style wins. None disables the cycle. TYPE: list[LINE_STYLE | str] | None
plot_marker_cycle	The markers assigned per scatter and radial scatter series, parallel to the color cycle, and per network node group: a marker, or {"marker": ..., "hollow": True} to draw it as an outline. An explicit per-chart marker wins. None disables the cycle. TYPE: list[LINE_MARKER | str | dict[str, str | bool]] | None

datachart.typings.SketchStyleAttrs

Bases: TypedDict

The typing for the sketch attributes: the theme's render-scoped rc-level look (path wobble, halo stroke). The panel snapshots the wobble at build time and applies it inside a scoped matplotlib rc context, so no global rc setting changes; the halo resolves like any style key, so a chart's style can override it. Composition keeps the look of the figures it was built from.

ATTRIBUTE	DESCRIPTION
plot_sketch_params	The path wobble as matplotlib sketch parameters [scale, length, randomness]; plt.xkcd() uses [1, 100, 2]. None draws clean paths. TYPE: list[float] | None
plot_sketch_halo_width	The extra width, added to the line width, of the halo (in the axes face color) stroked under series lines (line, radial, regression), so crossing lines read as cut-outs; marks, text and patches stay clean. None or 0 draws no halo. TYPE: float | None

datachart.typings.InkStyleAttrs

Bases: TypedDict

The typing for the ink attributes: marks drawn as a quill and an etching needle would draw them. Every attribute resolves when the chart is built and rides on its artists, so composition keeps the look; None turns it off.

ATTRIBUTE	DESCRIPTION
plot_ink_stroke	The broad-nib pen the series lines (line, bump, radial, regression) are drawn with, as a filled ribbon whose width varies along the line. Keys: width_scale (the nib width over the line width), nib_angle (degrees), nib_floor (the hairline width as a share of the nib), wobble (the ink wobble amplitude), taper (the end taper, in pixels). None draws plain lines. TYPE: dict[str, float] | None
plot_etch	The etching that replaces the hatch tile of a hatched fill with hand-drawn lines clipped to its outline; the hatch pattern still picks the lines and . stipples. Keys: spacing (points between lines), jitter (the spacing jitter as a share of it), angle_jitter (degrees), line_width (points), wash (the share of the face color laid over the axes face under the lines; fills under lines take none), color (the etch ink). None keeps matplotlib's hatch. TYPE: dict[str, float | str | None] | None
plot_value_etch	The steps a value scale draws in when plot_etch is on: washes (one fill color per step, lightest first) and hatches (one pattern per step, sparsest first). Heatmap, calendar heatmap and hexbin cells and filled contour bands take the step their value falls in, a filled contour draws its level lines and labels over the bands, and a legend of the steps replaces the colorbar. None keeps the colormap. TYPE: dict[str, list[str]] | None