Shapes#

class leather.Shape#

Bases: object

Base class for shapes that can be used to render data Series.

validate_series(series)#: Verify this shape can be used to render a given series.

to_svg(width, height, x_scale, y_scale, series, palette)#: Render this shape to an SVG.

legend_to_svg(series, palette)#: Render the legend entries for these shapes.

class leather.Bars(fill_color=None)#

Bases: Shape

Render a series of data as bars.

Parameters:: fill_color – The color to fill the bars. You may also specify a style_function().

validate_series(series)#: Verify this shape can be used to render a given series.

to_svg(width, height, x_scale, y_scale, series, palette)#: Render bars to SVG elements.

class leather.Columns(fill_color=None)#

Bases: Shape

Render a series of data as columns.

Parameters:: fill_color – The color to fill the columns. You may also specify a style_function().

validate_series(series)#: Verify this shape can be used to render a given series.

to_svg(width, height, x_scale, y_scale, series, palette)#: Render columns to SVG elements.

class leather.Dots(fill_color=None, radius=None)#

Render a series of data as dots.

Parameters:

fill_color – The color to fill the dots. You may also specify a style_function(). If not specified, default chart colors will be used.
radius – The radius of the rendered dots. Defaults to theme.default_dot_radius. You may also specify a style_function().

validate_series(series)#: Verify this shape can be used to render a given series.

to_svg(width, height, x_scale, y_scale, series, palette)#: Render dots to SVG elements.

legend_to_svg(series, palette)#: Render the legend entries for these shapes.

class leather.Line(stroke_color=None, width=None, stroke_dasharray=None)#

Render a series of data as a line.

Parameters:

stroke_color – The color to stroke the lines. If not provided, default chart colors will be used.
width – The width of the lines. Defaults to theme.default_line_width.

validate_series(series)#: Verify this shape can be used to render a given series.

to_svg(width, height, x_scale, y_scale, series, palette)#: Render lines to SVG elements.

leather.style_function(datum)#

This example shows how to define a function to specify style values for individual data points.