Octavo ejemplo del taller Mapas web interactivos con D3.js en el programa de las 9as Jornadas SIG Libre .
Segundo ejemplo de cartografía usando D3js. Al ejemplo anterior se le añade una gratícula para ver los paralelos y meridianos.
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August 29, 2015 14:15
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JSL 2015: Mapa sencillo con gratícula
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .land { | |
| fill: #ccc; | |
| stroke: #fff; | |
| } | |
| .graticule { | |
| fill: none; | |
| stroke: #999; | |
| stroke-dasharray: 3, 3; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| /* | |
| var projection = d3.geo.mercator(); | |
| */ | |
| /* | |
| var projection = d3.geo.orthographic() | |
| .scale(250) | |
| .translate([width / 2, height / 2]) | |
| .clipAngle(90); | |
| */ | |
| var projection = d3.geo.azimuthalEquidistant() | |
| .center([2.8, 41.9]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var graticule = d3.geo.graticule() | |
| .step([10, 10]); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule") | |
| .attr("d", path); | |
| d3.json("https://cdn.rawgit.com/mbostock/4090846/raw/8a7f176072d508218e120773943b595c998991be/world-50m.json", function(error, data) { | |
| svg.append("path") | |
| .attr("class", "land") | |
| .datum(topojson.object(data, data.objects.land)) | |
| .attr("d", path); | |
| }); | |
| </script> | |
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