Add new concept of "linearity" to the view

SkyTruth · Aug 2, 2023 · 2e2b27c · 2e2b27c
1 parent 702b529
commit 2e2b27c
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diff --git a/alembic/versions/39277f6278f4_add_view.py b/alembic/versions/39277f6278f4_add_view.py
@@ -24,6 +24,7 @@ def upgrade() -> None:
         definition="""
     SELECT
         slick.*,
+        slick.length^2 / slick.area / slick.polsby_popper as linearity,
         sentinel1_grd.scene_id AS s1_scene_id,
         sentinel1_grd.geometry AS s1_geometry,
         cls.short_name AS cls_short_name,

diff --git a/alembic/versions/7cd715196b8d_add_index.py b/alembic/versions/7cd715196b8d_add_index.py
@@ -47,6 +47,7 @@ def upgrade() -> None:
 
     op.create_index("idx_slick_hitl", "slick", ["hitl_cls"])
     op.create_index("idx_slick_confidence", "slick", ["machine_confidence"])
+    op.create_index("idx_slick_length", "slick", ["length"])
     op.create_index("idx_slick_polsby_popper", "slick", ["polsby_popper"])
     op.create_index("idx_slick_fill_factor", "slick", ["fill_factor"])
     op.create_index("idx_slick_orchestrator_run", "slick", ["orchestrator_run"])
@@ -78,6 +79,7 @@ def downgrade() -> None:
 
     op.drop_index("idx_slick_hitl", "slick")
     op.drop_index("idx_slick_confidence", "slick")
+    op.drop_index("idx_slick_length", "slick")
     op.drop_index("idx_slick_polsby_popper", "slick")
     op.drop_index("idx_slick_fill_factor", "slick")
     op.drop_index("idx_slick_orchestrator_run", "slick")