Placekey Functions

A range of functions are available to process Placekeys in Studio expressions.

Function	Arguments	Return Type	Description
`geoToPlacekey()`	`real`, `real`	`string`	Returns only the Where Part of a Placekey corresponding to the latitude and longitude arguments.
`placekeyToLat()`	`string`	`real`	Returns the latitude of the centroid of the H3 hexagon in the Where Part of a Placekey.
`placekeyToLng()`	`string`	`real`	Returns the longitude of the centroid of the H3 hexagon in the Where Part of a Placekey.
`placekeyIsValid()`	`string`	`boolean`	Returns `true` if the Placekey is valid.
`placekeyDistance()`	`string`, `string`	`integer`	Returns the distance between the centroids of the H3 hexagons in the Where Parts of two Placekeys.
`placekeyToH3()`	`string`	`string`	Returns the Where Part of a Placekey (in H3 hexagon ID encoding).
`h3ToPlacekey()`	`string`	`string`	Returns a Placekey containing the Where Part corresponding to the given H3 aperture 10 hexagon.