My first map using d3.js.
This is a map of spain with province boundaries, populated places and random colors.
Followed the instructions at Let’s Make a Map.
Makefile is provided.
Last active
April 25, 2020 16:31
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Spain map.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <link rel="stylesheet" type="text/css" href="style.css"> | |
| </head> | |
| <body> | |
| </body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 450; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("es.json", function(error, es) { | |
| if (error) return console.error(error); | |
| console.log(es); | |
| var subunits = topojson.feature(es, es.objects.subunits); | |
| var provinces = topojson.feature(es, es.objects.provinces); | |
| var projection = d3.geo.mercator() | |
| .scale(2300) | |
| .center([0, 40]) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| svg.selectAll(".province") | |
| .data(provinces.features) | |
| .enter() | |
| .append("path") | |
| .attr("class", function(d) { return "province " + d.id; }) | |
| .attr("d", path) | |
| .style('fill', function(d) { return d3.hsl(Math.random() * 100, 0.5, 0.5); }); | |
| svg.selectAll(".subunit") | |
| .data(subunits.features) | |
| .enter() | |
| .append("path") | |
| .attr("class", function(d) { return "subunit " + d.id; }) | |
| .attr("d", path); | |
| svg.append("path") | |
| .datum(topojson.mesh(es, es.objects.subunits, function(a, b) { return a !== b && a.id !== "ESP"; })) | |
| .attr("d", path) | |
| .attr("class", "subunit-boundary"); | |
| svg.append("path") | |
| .datum(topojson.feature(es, es.objects.places)) | |
| .attr("d", path) | |
| .attr("class", "place"); | |
| svg.selectAll(".place-label") | |
| .data(topojson.feature(es, es.objects.places).features) | |
| .enter().append("text") | |
| .attr("class", "place-label") | |
| .attr("transform", function(d) { return "translate(" + projection(d.geometry.coordinates) + ")"; }) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.properties.name; }); | |
| svg.selectAll(".place-label") | |
| .attr("x", function(d) { return d.geometry.coordinates[0] > -1 ? 6 : -6; }) | |
| .style("text-anchor", function(d) { return d.geometry.coordinates[0] > -1 ? "start" : "end"; }); | |
| }); | |
| </script> | |
| </html> |
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| all: es.json | |
| es.json: subunits.json places.json provinces.json | |
| topojson \ | |
| -o es.json \ | |
| --id-property SU_A3 \ | |
| --properties name=NAME \ | |
| -- \ | |
| subunits.json \ | |
| provinces.json \ | |
| places.json | |
| subunits.json: ne_10m_admin_0_map_subunits.shp | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "ADM0_A3 IN ('ESP')" \ | |
| subunits.json \ | |
| ne_10m_admin_0_map_subunits.shp | |
| ne_10m_admin_0_map_subunits.shp: ne_10m_admin_0_map_subunits.zip | |
| unzip ne_10m_admin_0_map_subunits.zip | |
| ne_10m_admin_0_map_subunits.zip: | |
| wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_admin_0_map_subunits.zip | |
| provinces.json: ne_10m_admin_1_states_provinces.shp | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "ADM0_A3 IN ('ESP')" \ | |
| provinces.json \ | |
| ne_10m_admin_1_states_provinces.shp | |
| ne_10m_admin_1_states_provinces.shp: ne_10m_admin_1_states_provinces.zip | |
| unzip ne_10m_admin_1_states_provinces.zip | |
| ne_10m_admin_1_states_provinces.zip: | |
| wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_admin_1_states_provinces.zip | |
| places.json: ne_10m_populated_places.shp | |
| ogr2ogr \ | |
| -f GeoJSON \ | |
| -where "ISO_A2 = 'ES' AND SCALERANK < 8" \ | |
| places.json \ | |
| ne_10m_populated_places.shp | |
| ne_10m_populated_places.shp: ne_10m_populated_places.zip | |
| unzip ne_10m_populated_places.zip | |
| ne_10m_populated_places.zip: | |
| wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_populated_places.zip | |
| clean: | |
| rm -rf es.json subunits.json places.json provinces.json | |
| distclean: clean | |
| rm -rf ne_* |
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| .subunit.ESC { fill: #ddc; } | |
| .subunit.ESI { fill: #cdd; } | |
| .subunit.ESX { fill: transparent; } | |
| .subunit.SEC { fill: #dcd; } | |
| .subunit.SEM { display: none; } | |
| .subunit { | |
| stroke: #000; | |
| stroke-linejoin: round; | |
| } | |
| .subunit-boundary { | |
| fill: none; | |
| stroke: #777; | |
| stroke-linejoin: round; | |
| } | |
| .province { | |
| stroke: #000; | |
| stroke-dasharray: 2,2; | |
| stroke-linejoin: round; | |
| } | |
| .place-label { | |
| font-size: 0.5em; | |
| } | |
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