topojson.core.hashmap¶

Hashmap ¶

Bases: Dedup

hash arcs based on their type

to_dict()

Convert the Hashmap object to a dictionary.

to_svg(separate=False)

Display the linestrings and junctions as SVG.

Parameters:

Name	Type	Description	Default
`separate`	`boolean`	If `True`, each of the linestrings will be displayed separately. Default is `False`	`False`

to_json()

Convert the Hashmap object to a JSON object.

to_alt(projection='identity')

Display as Altair visualization.

Parameters:

Name	Type	Description	Default
`projection`	`str`	Defines the projection of the visualization. Defaults to a non-geographic, Cartesian projection (known by Altair as `identity`).	`'identity'`