project_lnglat  type: project_lnglat

class lumen.transforms.base.project_lnglat(*, latitude, longitude, controls, name)

project_lnglat projects the given longitude/latitude columns to Web Mercator.

Converts latitude and longitude values into WGS84 (Web Mercator) coordinates (meters East of Greenwich and meters North of the Equator).

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Parameters

latitude

type: str
default: 'longitude'
Latitude column

longitude

type: str
default: 'longitude'
Longitude column

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Methods

project_lnglat.apply(table: DataFrame) → DataFrame

Given a table transform it in some way and return it.

Parameters:

table (DataFrame) – The queried table as a DataFrame.

Returns:

A DataFrame containing the transformed data.

Return type:

DataFrame

project_lnglat.to_spec(context: Dict[str, Any] | None = None) → Dict[str, Any]

Exports the full specification to reconstruct this component.

Return type:

Resolved and instantiated Component object