├── .gitignore ├── .npmignore ├── LICENSE ├── README.md ├── img ├── counties.png ├── nation.png └── states.png ├── package.json ├── prepublish ├── properties.js └── yarn.lock /.gitignore: -------------------------------------------------------------------------------- 1 | *.sublime-workspace 2 | .DS_Store 3 | build/ 4 | node_modules 5 | npm-debug.log 6 | *-10m.json 7 | -------------------------------------------------------------------------------- /.npmignore: -------------------------------------------------------------------------------- 1 | *.sublime-* 2 | build/ 3 | test/ 4 | img/ 5 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Copyright 2013-2019 Michael Bostock 2 | 3 | Permission to use, copy, modify, and/or distribute this software for any purpose 4 | with or without fee is hereby granted, provided that the above copyright notice 5 | and this permission notice appear in all copies. 6 | 7 | THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH 8 | REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 9 | FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, 10 | INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS 11 | OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 12 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF 13 | THIS SOFTWARE. 14 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # U.S. Atlas TopoJSON 2 | 3 | This repository provides a convenient redistribution of the [Census Bureau’s](http://www.census.gov/) [cartographic boundary shapefiles](https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html), 2017 edition as TopoJSON. For earlier editions, see [past releases](https://github.com/topojson/us-atlas/releases). Both projected and unprojected geometries are included. The projection used by these files is: 4 | 5 | ```js 6 | d3.geoAlbersUsa().scale(1300).translate([487.5, 305]) 7 | ```` 8 | 9 | This is a conic equal-area Albers projection suitable for choropleth maps and designed to fit a 975×610 viewport. 10 | 11 | ### Usage 12 | 13 | In a browser, using [d3-geo](https://github.com/d3/d3-geo) and SVG:
14 | https://observablehq.com/@d3/u-s-map 15 | 16 | In a browser, using [d3-geo](https://github.com/d3/d3-geo) and Canvas:
17 | https://observablehq.com/@d3/u-s-map-canvas 18 | 19 | In Node, using [d3-geo](https://github.com/d3/d3-geo) and [node-canvas](https://github.com/Automattic/node-canvas):
20 | https://bl.ocks.org/mbostock/885fffe88d72b2a25c090e0bbbef382f 21 | 22 | ## File Reference 23 | 24 | # counties-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/counties-10m.json "Source") 25 | 26 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collections counties, states, and nation. The geometry is quantized and simplified, but not projected. This topology is derived from the Census Bureau’s [cartographic county boundaries, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). The state boundaries are computed by [merging](https://github.com/topojson/topojson-client/blob/master/README.md#merge) counties, and the nation boundary is computed by merging states, ensuring a consistent topology. 27 | 28 | # counties-albers-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/counties-albers-10m.json "Source") 29 | 30 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collections counties, states, and nation. The geometry is quantized, projected using [d3.geoAlbersUsa](https://github.com/d3/d3-geo/blob/master/README.md#geoAlbersUsa) to fit a 975×610 viewport, and simplified. This topology is derived from the Census Bureau’s [cartographic county boundaries, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). The state boundaries are computed by [merging](https://github.com/topojson/topojson-client/blob/master/README.md#merge) counties, and the nation boundary is computed by merging states, ensuring a consistent topology. 31 | 32 | # states-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/states-10m.json "Source") 33 | 34 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collections states and nation. The geometry is quantized and simplified, but not projected. This topology is derived from the Census Bureau’s [cartographic state boundaries, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). The nation boundary is computed by [merging](https://github.com/topojson/topojson-client/blob/master/README.md#merge) states, ensuring a consistent topology. 35 | 36 | # states-albers-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/states-albers-10m.json "Source") 37 | 38 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collections states and nation. The geometry is quantized, projected using [d3.geoAlbersUsa](https://github.com/d3/d3-geo/blob/master/README.md#geoAlbersUsa) to fit a 975×610 viewport, and simplified. This topology is derived from the Census Bureau’s [cartographic state boundaries, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). The nation boundary is computed by [merging](https://github.com/topojson/topojson-client/blob/master/README.md#merge) states, ensuring a consistent topology. 39 | 40 | # nation-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/nation-10m.json "Source") 41 | 42 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collection nation. The geometry is quantized and simplified, but not projected. This topology is derived from the Census Bureau’s [cartographic nation boundary, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). 43 | 44 | # nation-albers-10m.json · [Download](https://cdn.jsdelivr.net/npm/us-atlas@3/nation-albers-10m.json "Source") 45 | 46 | A [TopoJSON file](https://github.com/topojson/topojson-specification/blob/master/README.md#21-topology-objects) containing the geometry collection nation. The geometry is quantized, projected using [d3.geoAlbersUsa](https://github.com/d3/d3-geo/blob/master/README.md#geoAlbersUsa) to fit a 975×610 viewport, and simplified. This topology is derived from the Census Bureau’s [cartographic nation boundary, 2017 edition](https://www2.census.gov/geo/tiger/GENZ2017/shp/). 47 | 48 | # *us*.objects.counties 49 | 50 |

51 | 52 | Each county has two fields: 53 | 54 | * *county*.id - the five-digit [FIPS county code](https://en.wikipedia.org/wiki/FIPS_county_code), such as `"06069"` 55 | * *county*.properties.name - the county name, such as `"San Benito"` 56 | 57 | The first two digits of the county FIPS code is the state FIPS code. 58 | 59 | # *us*.objects.states 60 | 61 |

62 | 63 | Each state has two fields: 64 | 65 | * *state*.id - the two-digit [FIPS state code](https://en.wikipedia.org/wiki/Federal_Information_Processing_Standard_state_code), such as `"06"` 66 | * *state*.properties.name - the state name, such as `"California"` 67 | 68 | # *us*.objects.nation 69 | 70 |

71 | 72 | The nation has two fields: 73 | 74 | * *nation*.id - the string `"US"` 75 | * *nation*.properties.name - the string `"United States"` 76 | -------------------------------------------------------------------------------- /img/counties.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/topojson/us-atlas/d6968f52f5418bc71afc64e034cbfdba8d898de4/img/counties.png -------------------------------------------------------------------------------- /img/nation.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/topojson/us-atlas/d6968f52f5418bc71afc64e034cbfdba8d898de4/img/nation.png -------------------------------------------------------------------------------- /img/states.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/topojson/us-atlas/d6968f52f5418bc71afc64e034cbfdba8d898de4/img/states.png -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "us-atlas", 3 | "version": "3.0.1", 4 | "description": "Pre-built TopoJSON from the U.S. Census Bureau.", 5 | "license": "ISC", 6 | "keywords": [ 7 | "topojson", 8 | "geojson", 9 | "shapefile" 10 | ], 11 | "author": { 12 | "name": "Mike Bostock", 13 | "url": "https://bost.ocks.org/mike" 14 | }, 15 | "repository": { 16 | "type": "git", 17 | "url": "https://github.com/topojson/us-atlas.git" 18 | }, 19 | "files": [ 20 | "*-10m.json" 21 | ], 22 | "scripts": { 23 | "prepublishOnly": "bash prepublish", 24 | "postpublish": "git push && git push --tags" 25 | }, 26 | "devDependencies": { 27 | "d3-dsv": "^1.0.3", 28 | "d3-geo-projection": "^2.0.0", 29 | "ndjson-cli": "^0.3.0", 30 | "shapefile": "^0.6.1", 31 | "topojson-client": "^3.0.0", 32 | "topojson-server": "^3.0.0", 33 | "topojson-simplify": "^3.0.0" 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /prepublish: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | rm -rvf *-10m.json 4 | mkdir -p build 5 | 6 | if [ ! -f build/cb_2017_us_county_5m.shp ]; then 7 | curl -o build/cb_2017_us_county_5m.zip 'https://www2.census.gov/geo/tiger/GENZ2017/shp/cb_2017_us_county_5m.zip' 8 | unzip -od build build/cb_2017_us_county_5m.zip cb_2017_us_county_5m.shp cb_2017_us_county_5m.dbf 9 | chmod a-x build/cb_2017_us_county_5m.* 10 | fi 11 | 12 | if [ ! -f build/cb_2017_us_state_5m.shp ]; then 13 | curl -o build/cb_2017_us_state_5m.zip 'https://www2.census.gov/geo/tiger/GENZ2017/shp/cb_2017_us_state_5m.zip' 14 | unzip -od build build/cb_2017_us_state_5m.zip cb_2017_us_state_5m.shp cb_2017_us_state_5m.dbf 15 | chmod a-x build/cb_2017_us_state_5m.* 16 | fi 17 | 18 | if [ ! -f build/cb_2017_us_nation_5m.shp ]; then 19 | curl -o build/cb_2017_us_nation_5m.zip 'https://www2.census.gov/geo/tiger/GENZ2017/shp/cb_2017_us_nation_5m.zip' 20 | unzip -od build build/cb_2017_us_nation_5m.zip cb_2017_us_nation_5m.shp cb_2017_us_nation_5m.dbf 21 | chmod a-x build/cb_2017_us_nation_5m.* 22 | fi 23 | 24 | geo2topo -q 1e5 -n counties=<( \ 25 | shp2json --encoding utf-8 -n build/cb_2017_us_county_5m.shp \ 26 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 27 | | ndjson-map '(d.id = d.properties.GEOID, delete d.properties, d)') \ 28 | | toposimplify -f -s 1e-7 \ 29 | | topomerge states=counties -k 'd.id.slice(0, 2)' \ 30 | | topomerge nation=states \ 31 | | node ./properties.js \ 32 | > counties-10m.json 33 | 34 | geo2topo -q 1e5 -n counties=<( \ 35 | shp2json --encoding utf-8 -n build/cb_2017_us_county_5m.shp \ 36 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 37 | | ndjson-map '(d.id = d.properties.GEOID, delete d.properties, d)' \ 38 | | geoproject -n 'd3.geoAlbersUsa().scale(1300).translate([487.5, 305])') \ 39 | | toposimplify -f -p 0.25 \ 40 | | topomerge states=counties -k 'd.id.slice(0, 2)' \ 41 | | topomerge nation=states \ 42 | | node ./properties.js \ 43 | > counties-albers-10m.json 44 | 45 | geo2topo -q 1e5 -n states=<( \ 46 | shp2json --encoding utf-8 -n build/cb_2017_us_state_5m.shp \ 47 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 48 | | ndjson-map '(d.id = d.properties.GEOID, d.properties = {name: d.properties.NAME}, d)') \ 49 | | toposimplify -f -s 1e-7 \ 50 | | topomerge nation=states \ 51 | > states-10m.json 52 | 53 | geo2topo -q 1e5 -n states=<( \ 54 | shp2json --encoding utf-8 -n build/cb_2017_us_state_5m.shp \ 55 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 56 | | ndjson-map '(d.id = d.properties.GEOID, d.properties = {name: d.properties.NAME}, d)' \ 57 | | geoproject -n 'd3.geoAlbersUsa().scale(1300).translate([487.5, 305])') \ 58 | | toposimplify -f -p 0.25 \ 59 | | topomerge nation=states \ 60 | > states-albers-10m.json 61 | 62 | geo2topo -q 1e5 -n nation=<( \ 63 | shp2json --encoding utf-8 -n build/cb_2017_us_nation_5m.shp \ 64 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 65 | | ndjson-map '(d.id = d.properties.GEOID, d.properties = {name: d.properties.NAME}, d)') \ 66 | | toposimplify -f -s 1e-7 \ 67 | > nation-10m.json 68 | 69 | geo2topo -q 1e5 -n nation=<( \ 70 | shp2json --encoding utf-8 -n build/cb_2017_us_nation_5m.shp \ 71 | | ndjson-filter '!/000$/.test(d.properties.GEOID)' \ 72 | | ndjson-map '(d.id = d.properties.GEOID, d.properties = {name: d.properties.NAME}, d)' \ 73 | | geoproject -n 'd3.geoAlbersUsa().scale(1300).translate([487.5, 305])') \ 74 | | toposimplify -f -p 0.25 \ 75 | > nation-albers-10m.json 76 | -------------------------------------------------------------------------------- /properties.js: -------------------------------------------------------------------------------- 1 | const shapefile = require("shapefile"); 2 | 3 | Promise.all([ 4 | parseInput(), 5 | shapefile.read("build/cb_2017_us_county_5m.shp", undefined, {encoding: "utf-8"}), 6 | shapefile.read("build/cb_2017_us_state_5m.shp", undefined, {encoding: "utf-8"}) 7 | ]).then(output); 8 | 9 | function parseInput() { 10 | return new Promise((resolve, reject) => { 11 | const chunks = []; 12 | process.stdin 13 | .on("data", chunk => chunks.push(chunk)) 14 | .on("end", () => { 15 | try { resolve(JSON.parse(chunks.join(""))); } 16 | catch (error) { reject(error); } 17 | }) 18 | .setEncoding("utf8"); 19 | }); 20 | } 21 | 22 | function output([topology, counties, states]) { 23 | counties = new Map(counties.features.map(d => [d.properties.GEOID, d.properties])); 24 | states = new Map(states.features.map(d => [d.properties.GEOID, d.properties])); 25 | for (const county of topology.objects.counties.geometries) { 26 | county.properties = { 27 | name: counties.get(county.id).NAME 28 | }; 29 | } 30 | for (const state of topology.objects.states.geometries) { 31 | state.properties = { 32 | name: states.get(state.id).NAME 33 | }; 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