Plot.geotile() mark?

[Fil]

For tile-based maps… even though maybe that approach is slowly being replaced by vectiles, we need a simple way to add a background.

[mbostock]

Probably Plot.geotile?

[chrstnbwnkl]

For those wondering how to achieve this in the meantime, there's an example in here: https://observablehq.com/@chrstnbwnkl/geotiff-isochrones-with-valhalla