Function: createTileOverlayMesh()

function createTileOverlayMesh(query, opts): TileOverlayMesh;

Creates a reusable tile-overlay mesh — a shared geometry that can be rebuilt at any time to cover an arbitrary set of tiles with a single merged draw call.

Parameters

Parameter	Type	Description
query	TileGeometryQuery	Resolves tile id → geometry context (tile data + level).
opts	TileOverlayOptions	Visual options (color, layout, offset, blending).

Returns

TileOverlayMesh