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Getting Screen Coordinates of Markers

This snippet is useful if you want to position something, for example a Noodl Component, on top of a Marker on the Mapbox Map.

How it works‚Äč

Create a Function node and paste in the code below

const markers = document.querySelectorAll('.mapboxgl-marker')

if (!markers) return

for (let i = 0; i < markers.length; i++) {
let m = markers[i]
let markerId = m.getAttribute('data-ndl-marker-id')
let rect = m.getBoundingClientRect()

posX: rect.left,


When calling Run on the Function node the screen coordinates will be written to the Marker array, in the two properties posX and posY. After the operation is finished the Done output signal will be triggered.