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Travel Time from York by Rail
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| Released license:gpl-3.0 | |
| height:960 | |
| border:no | |
| Contains Ordnance Survey data © Crown copyright and database right 2012 | |
| Contains National Statistics data © Crown copyright and database right 2012 | |
| Travel time and geographic data is under Open Government License v3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ | |
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| <!DOCTYPE html> | |
| <img src="topo.svg" width="640" height="960"> | |
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| sed 's/"//g' | jq --slurp --raw-input --raw-output -c 'split("\n") | map(split(",")) | .[] | select(.[0] != null) | {CRS: .[3], (.[0]): .[1]}' | |
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| Released license:gpl-3.0 | |
| height:780 | |
| border:no | |
| Postal Boundaries © GeoLytix copyright and database right 2012 | |
| Contains Ordnance Survey data © Crown copyright and database right 2012 | |
| Contains Royal Mail data © Royal Mail copyright and database right 2012 | |
| Contains National Statistics data © Crown copyright and database right 2012 | |
| Census data Open Government License v3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ | |
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| #!/bin/bash | |
| #Station CRS code | |
| CRS="YRK" | |
| HEIGHT=960 | |
| WIDTH=640 | |
| PROJECTION='d3.geoConicEqualArea().parallels([49, 61]).fitSize(['${WIDTH}','${HEIGHT}'], d)' | |
| SCALE="d3.bisect([30, 60, 90, 120, 150, 180, 210, 240, 270, 300],d.properties.time)" | |
| FILL="d3.schemeSpectral[11][d.properties.scale]" | |
| if [ ! -f Rail-stations-travel-times.zip ] | |
| then | |
| wget http://data.dft.gov.uk.s3.amazonaws.com/connectivity-data/Rail-stations-travel-times.zip | |
| fi | |
| if [ ! -f Stations_HW_AM.csv ] | |
| then | |
| unzip Rail-stations-travel-times.zip Stations_HW_AM.csv | |
| fi | |
| if [ ! -f Stations_HW_AM.ndjson ] | |
| then | |
| tail -n +2 Stations_HW_AM.csv | \ | |
| split -l 262144 --filter=./jq-script.sh | \ | |
| sort | \ | |
| split -l 8192 --filter="jq -c -s 'group_by(.CRS) | .[] | add'" | \ | |
| jq -c -s 'group_by(.CRS) | .[] | add' > Stations_HW_AM.ndjson | |
| fi | |
| if [ ! -f 90e15daaaeef4baa877f4bffe01ebef0_2.zip ] | |
| then | |
| wget http://geoportal.statistics.gov.uk/datasets/90e15daaaeef4baa877f4bffe01ebef0_2.zip | |
| fi | |
| if [ ! -s LLSOA-2001-England-and-Wales.ndjson ] | |
| then | |
| unzip 90e15daaaeef4baa877f4bffe01ebef0_2.zip | |
| for i in *2001*.shp | |
| do | |
| ogr2ogr -t_srs EPSG:4326 -f GeoJSON /vsistdout/ ${i} | \ | |
| jq -c '.features[] | ({ id: .properties.lsoa01cd} + . )' | \ | |
| geo2topo -n tracts=- | toposimplify -s 2.5E-10 -F | \ | |
| topo2geo -n tracts=- | |
| done > LLSOA-2001-England-and-Wales.ndjson | |
| fi | |
| if [ ! -s topo.json ] | |
| then | |
| geo2topo -n tracts=<(ndjson-join 'd.id' \ | |
| <(jq -c 'select(.CRS=="'${CRS}'") | del(.CRS) | to_entries | map({id: .key, time: .value})[]' Stations_HW_AM.ndjson) \ | |
| <(jq -s -c '{"type": "FeatureCollection", "features": .}' LLSOA-2001-England-and-Wales.ndjson | \ | |
| geoproject "${PROJECTION}" | \ | |
| jq -c '.features[]') | \ | |
| ndjson-map -r d3 '{type: d[1].type, properties: {title: d[0].id, time: d[0].time}, geometry: d[1].geometry}') | \ | |
| toposimplify -p 1 -f | \ | |
| topoquantize 1E6 > topo.json | |
| fi | |
| < topo.json topo2geo -n tracts=- | \ | |
| ndjson-map -r d3=d3 '(d.properties.scale='"${SCALE}"',d)' | \ | |
| ndjson-map -r d3=d3-scale-chromatic '(d.properties.fill='"${FILL}"', d)' | \ | |
| geo2svg --stroke=none -n -p 1 -w ${WIDTH} -h ${HEIGHT} | \ | |
| sed '$d' > topo.svg | |
| # Insert the legend. | |
| tail -n +4 \ | |
| < legend.svg \ | |
| >> topo.svg |
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