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Readme for GB postcodes had markdown syntax error

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marc tobias 2019-04-28 23:18:36 +02:00
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commit b92a55f5fe
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data-sources/gb-postcodes/README.md
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@ -27,39 +27,30 @@ If you forgot to download the file, or have a new version, you can import it sep
Unpacked you'll see a directory of CSV files.
```
$ more codepo_gb/Data/CSV/n.csv
"N1 0AA",10,530626,183961,"E92000001","E19000003","E18000007","","E09000019","E05000368"
"N1 0AB",10,530559,183978,"E92000001","E19000003","E18000007","","E09000019","E05000368"
```
$ more codepo_gb/Data/CSV/n.csv
"N1 0AA",10,530626,183961,"E92000001","E19000003","E18000007","","E09000019","E05000368"
"N1 0AB",10,530559,183978,"E92000001","E19000003","E18000007","","E09000019","E05000368"
The coordinates are "Northings" and "Eastings" in [OSGB 1936](http://epsg.io/1314) projection. They can be projected to WGS84 like this
```
SELECT ST_AsText(ST_Transform(ST_SetSRID('POINT(530626 183961)'::geometry,27700), 4326));
POINT(-0.117872733220225 51.5394424719303)
```
SELECT ST_AsText(ST_Transform(ST_SetSRID('POINT(530626 183961)'::geometry,27700), 4326));
POINT(-0.117872733220225 51.5394424719303)
[-0.117872733220225 51.5394424719303 on OSM map](https://www.openstreetmap.org/?mlon=-0.117872733220225&mlat=51.5394424719303&zoom=16)
3. Create database, import CSV files, add geometry column, dump into file
```
DBNAME=create_gb_postcode_file
createdb $DBNAME
echo 'CREATE EXTENSION postgis' | psql $DBNAME
cat data/gb_postcode_table.sql | psql $DBNAME
cat codepo_gb/Data/CSV/*.csv | ./data-sources/gb-postcodes/convert_codepoint.php | psql $DBNAME
cat codepo_gb/Doc/licence.txt | iconv -f iso-8859-1 -t utf-8 | dos2unix | sed 's/^/-- /g' > gb_postcode_data.sql
pg_dump -a -t gb_postcode $DBNAME | grep -v '^--' >> gb_postcode_data.sql
gzip -9 -f gb_postcode_data.sql
ls -lah gb_postcode_data.*
# dropdb $DBNAME
```
DBNAME=create_gb_postcode_file
createdb $DBNAME
echo 'CREATE EXTENSION postgis' | psql $DBNAME
cat data/gb_postcode_table.sql | psql $DBNAME
cat codepo_gb/Data/CSV/*.csv | ./data-sources/gb-postcodes/convert_codepoint.php | psql $DBNAME
cat codepo_gb/Doc/licence.txt | iconv -f iso-8859-1 -t utf-8 | dos2unix | sed 's/^/-- /g' > gb_postcode_data.sql
pg_dump -a -t gb_postcode $DBNAME | grep -v '^--' >> gb_postcode_data.sql
gzip -9 -f gb_postcode_data.sql
ls -lah gb_postcode_data.*
# dropdb $DBNAME