pub const SEAM_BAND_MERGED_SWITCH: &str = "BREP_SEAM_BAND_MERGED";Expand description
BREP_SEAM_BAND_MERGED: set to "0" (the only value compared), the
doubly-periodic seam-band lane stops unwrapping a single merged seam-carrying
loop, and that face goes on to the two-loop analyses or the generic scan.
Read when a face is prepared; part of the prepared-face cache key.