Merge pull request #213 from cagov/include-area-in-footprints

Include area in square meters to the building footprint datasets
cagov · Oct 3, 2023 · 74a522f · 74a522f
2 parents d22682d + 73a8972
commit 74a522f
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Showing 3 changed files with 56 additions and 3 deletions.
diff --git a/transform/models/marts/geo_reference/_geo_reference__models.yml b/transform/models/marts/geo_reference/_geo_reference__models.yml
@@ -26,7 +26,7 @@ models:
   - name: geo_reference__us_building_footprints_with_tiger
     description: |
       This data table is a join of the TIGER data for blocks, tracts, counties, and
-      places with the Microsoft Building Footprints data for the state of CA.
+      places with the Microsoft US Building Footprints data for the state of CA.
     columns:
       - name: release
         description: The version of the data
@@ -60,3 +60,42 @@ models:
         description: Current FIPS class definition
       - name: geometry
         description: The footprint geometry
+      - name: area_sqm
+        description: The area of the footprint in square meters
+  - name: geo_reference__global_ml_building_footprints_with_tiger
+    description: |
+      This data table is a join of the TIGER data for blocks, tracts, counties, and
+      places with the Microsoft Global ML Building Footprints data for the state of CA.
+    columns:
+      - name: height
+        description: The height of the building (negative indicates unknown height)
+      - name: county_fips
+        description: 2020 Census county FIPS code
+      - name: tract
+        description: 2020 Census tract code
+      - name: block
+        description: 2020 Census tabulation block number
+      - name: block_geoid
+        description: >
+          Census block identifier; a concatenation of 2020 Census state FIPS code, 2020
+          Census county FIPS code, 2020 Census tract code, and 2020 Census block number
+      - name: place_fips
+        description: Current place FIPS code
+      - name: place_ns
+        description: Current place GNIS code
+      - name: place_geoid
+        description: >
+          Place identifier; a concatenation of the current state
+          FIPS code and place FIPS code
+      - name: place_name
+        description: >
+          Current name and the translated legal/statistical
+          area description for place
+      - name: class_fips_code
+        description: Current FIPS class code
+      - name: class_fips
+        description: Current FIPS class definition
+      - name: geometry
+        description: The footprint geometry
+      - name: area_sqm
+        description: The area of the footprint in square meters
diff --git a/...rm/models/marts/geo_reference/geo_reference__global_ml_building_footprints_with_tiger.sql b/...rm/models/marts/geo_reference/geo_reference__global_ml_building_footprints_with_tiger.sql
@@ -60,6 +60,13 @@ footprints_with_blocks_and_places as (
        kind="left",
        prefix="p",
     ) }}
+),
+
+footprints_with_blocks_and_places_final as (
+    select
+        *,
+        st_area("geometry") as "area_sqm"
+    from footprints_with_blocks_and_places
 )
 
-select * from footprints_with_blocks_and_places
+select * from footprints_with_blocks_and_places_final
diff --git a/transform/models/marts/geo_reference/geo_reference__us_building_footprints_with_tiger.sql b/transform/models/marts/geo_reference/geo_reference__us_building_footprints_with_tiger.sql
@@ -61,6 +61,13 @@ footprints_with_blocks_and_places as (
        kind="left",
        prefix="p",
     ) }}
+),
+
+footprints_with_blocks_and_places_final as (
+    select
+        *,
+        st_area("geometry") as "area_sqm"
+    from footprints_with_blocks_and_places
 )
 
-select * from footprints_with_blocks_and_places
+select * from footprints_with_blocks_and_places_final