[openstreetmap/openstreetmap-website] Dashboard map under/overzooms map tiles at fractional zoom levels (Issue #6618)
Paul Norman
notifications at github.com
Tue Dec 16 23:36:47 UTC 2025
pnorman left a comment (openstreetmap/openstreetmap-website#6618)
> The tile size is already set to 256 device-independent pixels to a side:
>
> [openstreetmap-website/app/assets/javascripts/maplibre.map.js](https://github.com/openstreetmap/openstreetmap-website/blob/b78e341b970197ac3b18a3c7bf83a4da028e1980/app/assets/javascripts/maplibre.map.js#L11)
>
> Line 11 in [b78e341](/openstreetmap/openstreetmap-website/commit/b78e341b970197ac3b18a3c7bf83a4da028e1980)
>
> tileSize: 256,
> So unless I’m mistaken and GL JS has a bug somewhere, the only remaining issue would be incremental zooming.
I agree.
It would be nice if we could support high DPI screens. After all, as of the latest release of OpenStreetMap Carto it was something we supported. We didn't do it perfectly but it certainly was supported. It sounds like the current maintainers might be changing that. Unfortunately `@2x` tiles are not practical for the standard tile layer infrastructure, given other constraints.
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