'map-center' — re-derives from map.getCenter() on every moveend (the default).
readonly [lng, lat] — pins the sun to a fixed point; lng/lat in degrees.
'geolocate' — asks the browser's Geolocation API once, rendering map-center until it
resolves and silently staying on map-center if the user denies or it is unavailable.
Where to evaluate the sun's position.
'map-center'— re-derives frommap.getCenter()on everymoveend(the default).readonly [lng, lat]— pins the sun to a fixed point; lng/lat in degrees.'geolocate'— asks the browser's Geolocation API once, rendering map-center until it resolves and silently staying on map-center if the user denies or it is unavailable.