CODEWITHSUNDEEP
mapbox
Nady
Nady

Reputation: 13

How to calculate location’s long/lat based on its bbox coordinates

please could anyone help?

I need to use a map.toFly() method to interpolate between 2 locations.

According to the Mapbox documentation, I need to pass in an object describing the destination I want to fly to. The object has to have a center property holding an array with centre Long/lat coordinates of the destination I need to be taken to.

https://docs.mapbox.com/mapbox-gl-js/example/flyto/

My problem with implementing the method is that I only have bounding box coordinates of the 2 locations between which I need to interpolate . I can’t do something like this: map.flyTo(bbox)

Does anyone know how to obtain centre Long/lat coordinates of each location based on their bbox coordinates?

Upvotes: 1

Views: 1209

Answers (1)

LuisTavares
LuisTavares

Reputation: 2206

Assuming you have 2 LngLatBounds objects you can call the getCenter() method.

var point1 = bounds1.getCenter();
var point2 = bounds2.getCenter();

where both bounds1 and bounds2 are objects of the type LngLatBounds.

Check: https://docs.mapbox.com/mapbox-gl-js/api/#lnglatbounds#getcenter

Edit: for the values you gave in your comment it would be for the first bounds:

var sw1 = new mapboxgl.LngLat(110.2672863, -7.1144639);
var ne1 = new mapboxgl.LngLat(110.5088836, -6.9319917);
var bounds1 = new mapboxgl.LngLatBounds(sw1, ne1);

Note: Mapbox GL uses longitude, latitude coordinate order (as opposed to latitude, longitude).

Upvotes: 1

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