Constrain front lines better.

Holes in the inclusion zone are defined by exclusion zones, not by holes
in the inclusion zone. Add a cached property for the inclusion zone that
is not also sea or exclusion zone and use that boundary instead.
This commit is contained in:
Dan Albert
2020-12-24 13:50:29 -08:00
parent aafd09569c
commit 10debbc286
9 changed files with 52 additions and 10 deletions

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