Skip to content

Instantly share code, notes, and snippets.

@jgilfillan

jgilfillan/mapshaper data join and simplify

Created October 1, 2014 10:51
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save jgilfillan/ade859f8ccf23eadc10b to your computer and use it in GitHub Desktop.
Save jgilfillan/ade859f8ccf23eadc10b to your computer and use it in GitHub Desktop.
Download ZIP
use mapshaper to add extra properties, simplify the file and output to topojson format
Raw
mapshaper data join and simplify
# original shapefile from http://www.abs.gov.au/AUSSTATS/abs@.nsf/DetailsPage/1270.0.55.003July%202011
# Postal Areas ASGS Non ABS Structures Ed 2011 Digital Boundaries in ESRI Shapefile Format
# -i specifies input file
# -join specifies csv to join and join key
# -simplify speficies simplification percentage
# -o specifies outfile file and format
# full set of command lines options here: https://github.com/mbloch/mapshaper/wiki/Command-Reference
# ^ character allows command to span multiple lines
mapshaper -i "C:\Users\jgilf_000\Downloads\1270055003_poa_2011_aust_shape\POA_2011_AUST.shp" ^
-join "C:\Users\jgilf_000\Downloads\Untitled spreadsheet - Sheet1.csv" keys=POA_CODE,pc ^
-simplify 5% ^
-o "C:\Users\jgilf_000\Downloads\1270055003_poa_2011_aust_shape\output2.json" force format=topojson
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment