flywave-mapview.mapviewutils.raycastgeocoordinates

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MapViewUtils.rayCastGeoCoordinates() function

Casts a ray in NDC space from the current view of the camera and returns the intersection point of that ray against the map in geo coordinates. The return value can be null when the raycast is above the horizon.

Signature:

function rayCastGeoCoordinates(mapView: MapView, pointOnScreenXinNDC: number, pointOnScreenYinNDC: number): GeoCoordinates | null;

Parameters

Parameter	Type	Description
mapView	MapView	Instance of MapView.
pointOnScreenXinNDC	number
pointOnScreenYinNDC	number

Returns:

GeoCoordinates \| null

Intersection geo coordinates, or `null` if raycast is above the horizon.