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18 lines
635 B
Markdown
18 lines
635 B
Markdown
# Adding or updating source files
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If the files are in GeoJSON format you can drop them straight in.
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If you have a Shapefile, for example from the [ONS Open Geography Portal](https://geoportal.statistics.gov.uk/), you need to convert it:
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- download the .zip from the portal
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- extract it, giving you a folder with a few files in
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- go to https://mapshaper.org
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- drag all the files in the folder into mapshaper
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- click ‘import’
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- you should see a rendering of the shapes
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- click ‘console’ (top right)
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- run this command: `mapshaper -proj wgs84`
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- click ‘export’ (top right)
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- choose ‘GeoJSON’
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- click the button
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- done
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