37 lines
1.2 KiB
Bash
37 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# Assign latitute and longitute to buildings with OpenTOID data
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# - assume postgres connection details are set in the environment using PGUSER, PGHOST etc.
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: ${1?"Usage: $0 ./path/to/opentoid/dir"}
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opentoid_dir=$1
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echo "Create a temporary table for coordinates..."
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psql -c "CREATE TABLE open_toid (
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toid varchar,
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version_number smallint,
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version_date date,
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source_product varchar,
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easting float,
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northing float,
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latitute float,
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longitude float
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);"
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echo "Loading Open TOID CSV(s) to temporary table..."
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find $opentoid_dir -type f -name '*.csv' \
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-printf "$opentoid_dir/%f\n" | \
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parallel \
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cat {} '|' psql -c "\"COPY open_toid ( toid, version_number, version_date, source_product, easting, northing ) FROM stdin WITH CSV HEADER;\""
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# Convert the northing/easting coordinates to latitude/longitute with PostGIS
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psql -c "update open_toid set the_geom=GeomFromText('POINT('||easting||' '||northing||')',27700);"
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psql -c "update open_toid set longitude=st_x(st_transform(the_geom,4326)), latitude=st_y(st_transform(the_geom,4326));"
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# Update the buildings table with coordinates
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# psql -c ""
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# Delete the temporary table
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# psql -c "DROP TABLE open_toid;" |