How can I find the color of a raster layer at a given location?

[jbeuckm]

mapbox-gl-js version: latest

Question

We add a raster layer from a set of png files like http://server/{z}/{y}/{x}.png. I need to find the raster color at a particular lat/lon/z.

Links to related documentation

This seems like a function that could be exposed relative to a Source: https://docs.mapbox.com/mapbox-gl-js/api/sources/

Effectively, the rendering function has to find the color at each pixel that will be displayed. I want to expose that functionality so that, given any displayed position on the map, I could ask for what color the raster source ended up with for that pixel.

[asheemmamoowala]

Thank you for opening this issue. It looks like it is a duplicate of #1404. If you feel the issue reported here is different, please share more details and we can reopen it.