- Download the Australia OpenStreetMap extract from http://download.openstreetmap.fr/extracts/oceania/australia.osm.pbf
- Build OSRM-Backend https://github.com/Project-OSRM/osrm-backend#quick-start
osrm-extract -p /usr/local/share/osrm/profiles/car.lua australia.osm.pbf
osrm-contract australia.osrm
npm install
node duration_table.js
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Mapbox GL JS debug page</title> | |
<meta charset='utf-8'> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.1/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin: 0; padding: 0; } | |
html, body, #map { height: 100%; } |
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query.sql: parcels.txt | |
cat parcels.txt | sed 's/Lot /(lotnumber = \'/' | sed -E 's/ DP ?/\' and plannumber = /' | sed 's/$/) or /' | tr -d '\n' | sed 's/ or $//'> query.sql | |
reserve.geojson: | |
wget -O reserve.geojson 'https://maps.six.nsw.gov.au/arcgis/rest/services/public/NSW_Cadastre/MapServer/9/query?where=%28lotnumber+%3D+%272%27+and+plannumber+%3D+778317%29+or+%28lotnumber+%3D+%277014%27+and+plannumber+%3D+1020484%29+or+%28lotnumber+%3D+%277311%27+and+plannumber+%3D+1154270%29+or+%28lotnumber+%3D+%277312%27+and+plannumber+%3D+1154269%29+or+%28lotnumber+%3D+%277313%27+and+plannumber+%3D+1154269%29+or+%28lotnumber+%3D+%277301%27+and+plannumber+%3D+1123766%29+or+%28lotnumber+%3D+%277033%27+and+plannumber+%3D+1051528%29+or+%28lotnumber+%3D+%277015%27+and+plannumber+%3D+1051527%29+or+%28lotnumber+%3D+%271%27+and+plannumber+%3D+778317%29+or+%28lotnumber+%3D+%277018%27+and+plannumber+%3D+1051736%29+or+%28lotnumber+%3D+%277019%27+and+plannumber+%3D+1051736%29+or+%28lotnumber+%3D+%27266%27+and+plannumber+%3D+7516 |
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wget -O - https://elvis-ga.fmecloud.com/fmedatastreaming/elvis_indexes/ReturnDownloadables.fmw | jq -r '.available_data[].downloadables.DEMs."1 Metre"[].bbox' | xargs -I '{}' turf bboxPolygon "[{}]" | tr -d '\n ' | sed 's/}{/},{/' | sed 's/^/{"type": "FeatureCollection", "features": [/' | sed 's/$/]}/' > elvisBBOX.geojson |
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wget https://s3-ap-southeast-2.amazonaws.com/opendata-aerial-imagery/mga55_gda94_10cm_2018_CoM_true_ortho.zip | |
unzip mga55_gda94_10cm_2018_CoM_true_ortho.zip | |
rm mga55_gda94_10cm_2018_CoM_true_ortho.zip | |
gdalwarp -multi -wo NUM_THREADS=ALL_CPUS -r lanczos -t_srs 'EPSG:3857' -co COMPRESS=JPEG -co TILED=YES mga55_gda94_10cm_2018_CoM_true_ortho/mga55_gda94_10cm_2018_CoM_true_ortho.jp2 CoM_10cm_May_2018_EPSG3857.tiff | |
# the alpha band is being misunderstood by most software, creating a transpaent image, so we can just ignore the alpha band | |
gdal_translate -co COMPRESS=JPEG -b 1 -b 2 -b 3 CoM_10cm_May_2018_EPSG3857.tiff CoM_10cm_May_2018_EPSG3857_RGB.tiff | |
# You may find it easier to run this on the Docker image at https://hub.docker.com/r/klokantech/gdal/ which has various JP2 drivers installed | |
# docker run -ti --rm -v $(pwd):/data klokantech/gdal gdalwarp ... |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title>Mapbox GL Draw Rectangle</title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.js'></script> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin:0; padding:0; } |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title>NSW 1943 vs now</title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.js'></script> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin:0; padding:0; } |
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#!/usr/bin/env node | |
var process = require('process'); | |
process.env.UV_THREADPOOL_SIZE = Math.ceil(require('os').cpus().length * 1.5); | |
var OSRM = require('osrm'); | |
var path = require('path'); | |
var fs = require('fs'); | |
var d3 = require('d3'); | |
var async = require('async'); |
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-
Download the ASGS SA1 Shapefiles
-
Download the latest GNAF from OpenAddresses (choose the Output file)
-
psql -c 'CREATE EXTENSION postgis;'
-
Load the address points
ogr2ogr -f PostgreSQL -select 'ID' PG: au/countrywide.vrt -nln oa -lco UNLOGGED=YES
-
Load the ASGS SA1
ogr2ogr -f PostgreSQL -t_srs 'EPSG:4326' PG: SA1_2016_AUST.shp -nln sa1 -lco UNLOGGED=YES -nlt PROMOTE_TO_MULTI
-
Generate the address weighted centroid of each SA1.
psql -f sa1_oa_weighted_centroids.sql
-
Output to CSV
ogr2ogr -f 'CSV' sa1_oa_weighted_centroid.csv PG: sa1_gnaf_weighted_centroids -lco GEOMETRY=AS_XY