Now I need to update `assemble_outer_rings` which has its own local `coord_key` lambda — it should use the global `coord_key` from geometry.h. Let me also remove the `NO_DATA` redefinition:


1274:static const uint32_t NO_DATA = 0xFFFFFFFFu;


Edit

static const uint32_t NO_DATA = 0xFFFFFFFFu;