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August 11, 2017 17:31
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Municipalities of Mexico II
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| border: no | |
| height: 600 | |
| license: gpl-3.0 |
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| .DS_Store | |
| build | |
| node_modules |
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| <!DOCTYPE html> | |
| <svg width="960" height="600" fill="none" stroke="#333"> | |
| <path id="municipalities" stroke-width="0.2"></path> | |
| <path id="states"></path> | |
| </svg> | |
| <script src="https://unpkg.com/d3-array@1"></script> | |
| <script src="https://unpkg.com/d3-collection@1"></script> | |
| <script src="https://unpkg.com/d3-dispatch@1"></script> | |
| <script src="https://unpkg.com/d3-request@1"></script> | |
| <script src="https://unpkg.com/d3-selection@1"></script> | |
| <script src="https://unpkg.com/d3-geo@1"></script> | |
| <script src="https://unpkg.com/topojson-client@3"></script> | |
| <script> | |
| var projection = d3.geoMercator(), | |
| path = d3.geoPath(projection); | |
| d3.json("mx.json", function(error, mx) { | |
| if (error) throw error; | |
| var states = topojson.feature(mx, mx.objects.states), | |
| municipalities = topojson.feature(mx, mx.objects.municipalities); | |
| projection.fitSize([960, 600], states); | |
| d3.select("#municipalities") | |
| .datum(municipalities) | |
| .attr("d", path); | |
| d3.select("#states") | |
| .datum(states) | |
| .attr("d", path); | |
| }); | |
| </script> |
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| { | |
| "scripts": { | |
| "prepublish": "bash prepublish" | |
| }, | |
| "devDependencies": { | |
| "d3-geo": "^1.6.4", | |
| "ndjson-cli": "^0.3.1", | |
| "shapefile": "^0.6.5", | |
| "topojson-client": "^3.0.0", | |
| "topojson-server": "^3.0.0", | |
| "topojson-simplify": "^3.0.2" | |
| } | |
| } |
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| #!/bin/bash | |
| mkdir -p build | |
| # Download. | |
| curl -z build/estados.zip -o build/estados.zip http://mapserver.inegi.org.mx/MGN/mge2010v5_0.zip | |
| curl -z build/municipios.zip -o build/municipios.zip http://mapserver.inegi.org.mx/MGN/mgm2010v5_0.zip | |
| # Decompress. | |
| unzip -od build build/estados.zip | |
| unzip -od build build/municipios.zip | |
| # Reproject to WGS84. | |
| ogr2ogr build/states.shp build/Entidades_2010_5.shp -t_srs "+proj=longlat +ellps=WGS84 +no_defs +towgs84=0,0,0" | |
| ogr2ogr build/municipalities.shp build/Municipios_2010_5.shp -t_srs "+proj=longlat +ellps=WGS84 +no_defs +towgs84=0,0,0" | |
| # shp2json - convert shapefiles to GeoJSON. | |
| # ndjson-map - map property names and coerce numeric properties. | |
| # geo2topo - convert GeoJSON to TopoJSON. | |
| # toposimplify - simplify TopoJSON. | |
| # topoquantize - quantize TopoJSON. | |
| geo2topo -n \ | |
| states=<(shp2json -n build/states.shp \ | |
| | ndjson-map 'd.properties = {state_code: +d.properties.CVE_ENT, state_name: d.properties.NOM_ENT}, d') \ | |
| municipalities=<(shp2json -n build/municipalities.shp \ | |
| | ndjson-map 'd.properties = {state_code: +d.properties.CVE_ENT, mun_code: +d.properties.CVE_MUN, mun_name: d.properties.NOM_MUN}, d') \ | |
| | toposimplify -s 1e-7 \ | |
| | topoquantize 1e5 \ | |
| > mx.json |
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