Create 2021 cartographic boundary files

This commit is contained in:
Diego Ripley
2025-06-04 16:36:45 +00:00
parent 13a86dc3dc
commit fad884efc8
18 changed files with 1324 additions and 971 deletions
+48 -5
View File
@@ -6,8 +6,9 @@ Census Tracts
Definition here: https://web.archive.org/web/20241013011815/https://www12.statcan.gc.ca/census-recensement/2021/ref/dict/az/Definition-eng.cfm?ID=geo013
*/
DROP TABLE IF EXISTS silver.ct_2021;
CREATE TABLE silver.ct_2021 AS
-- Digital boundary;
DROP TABLE IF EXISTS silver.ct_2021_digital;
CREATE TABLE silver.ct_2021_digital AS
SELECT DISTINCT
cma.country_dguid,
cma.country_en_name,
@@ -32,7 +33,7 @@ SELECT DISTINCT
FROM silver.dissemination_geographies_relationship_2021 AS dgr
LEFT JOIN bronze.lct_000a21a_e AS ct
ON dgr.ct_dguid = ct.dguid
LEFT JOIN silver.cma_2021 AS cma
LEFT JOIN silver.cma_2021_digital AS cma
ON
concat(dgr.cma_dguid, dgr.cma_p_dguid)
= concat(cma.cma_dguid, cma.cma_p_dguid)
@@ -40,13 +41,55 @@ WHERE dgr.ct_dguid IS NOT null;
-- Make geometries valid
UPDATE
silver.ct_2021
silver.ct_2021_digital
SET
geom = st_makevalid(geom)
WHERE
st_isvalid(geom) = 'f';
-- Create spatial index
CREATE INDEX ct_2021_geom_idx ON silver.ct_2021 USING gist (geom) WITH (
CREATE INDEX ct_2021_digital_geom_idx ON silver.ct_2021_digital USING gist (geom) WITH (
fillfactor = 100
);
-- Cartographic boundary;
DROP TABLE IF EXISTS silver.ct_2021_cartographic;
CREATE TABLE silver.ct_2021_cartographic AS
SELECT DISTINCT
b.country_dguid,
b.country_en_name,
b.country_fr_name,
b.country_en_abbreviation,
b.country_fr_abbreviation,
b.grc_dguid,
b.grc_en_name,
b.grc_fr_name,
b.pr_dguid,
b.pr_en_name,
b.pr_fr_name,
b.pr_en_abbreviation,
b.pr_fr_abbreviation,
b.pr_iso_code,
b.cma_dguid,
b.cma_p_dguid,
b.cma_name,
b.cma_type,
b.ct_dguid,
a.geom
FROM
bronze.lct_000b21a_e AS a,
silver.ct_2021_digital AS b
WHERE a.dguid = b.ct_dguid;
-- Make geometries valid
UPDATE
silver.ct_2021_cartographic
SET
geom = st_makevalid(geom)
WHERE
st_isvalid(geom) = 'f';
-- Create spatial index
CREATE INDEX ct_2021_cartographic_geom_idx ON silver.ct_2021_cartographic USING gist (geom) WITH (
fillfactor = 100
);