The deepest Mercator tile block (≤ MOSAIC_MAX_PER_AXIS tiles per axis) that covers the geographic rectangle. Deeper than mercatorTileForRect (which is limited to one tile) and immune to its straddle step-back.
MOSAIC_MAX_PER_AXIS
The deepest Mercator tile block (≤
MOSAIC_MAX_PER_AXIStiles per axis) that covers the geographic rectangle. Deeper than mercatorTileForRect (which is limited to one tile) and immune to its straddle step-back.