Demo para el tutorial sobre Spam de las jpd16.
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January 22, 2017 19:30
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University graduates in Madrid
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| height: 650 | |
| border: none | |
| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8" /> | |
| <style> | |
| body { | |
| max-width: 960px; | |
| position: relative; | |
| } | |
| .legend { | |
| position: absolute; | |
| right: 0; | |
| top: 0; | |
| font-family: "Helvetica Neue",sans-serif; | |
| font-size: 12px; | |
| display: block; | |
| padding: 10px; | |
| height: 85px; | |
| width: 100px; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="https://d3js.org/topojson.v1.min.js"></script> | |
| <script src="https://unpkg.com/rbush@1.4.3/rbush.js"></script> | |
| <script src="https://unpkg.com/spamjs@1.1.0/spam.min.js"></script> | |
| <script src="https://unpkg.com/d3-svg-legend@1.13.0/d3-legend.min.js"></script> | |
| <script type='text/javascript'> | |
| // escala | |
| var color = d3.scale.quantile() | |
| .range(["#ca0020", "#f4a582", "#f7f7f7", "#92c5de", "#0571b0"]) | |
| // leyenda | |
| d3.select("body").append("svg") | |
| .attr("class", "legend") | |
| var legend = d3.legend.color() | |
| .shapeHeight(10) | |
| .shapeWidth(30) | |
| .shapePadding(10) | |
| .labelOffset(5) | |
| .labelFormat(d3.format("%")) | |
| .orient("vertical") | |
| .labelAlign("start") | |
| // abrir TopoJSON | |
| d3.json("madrid.json", function(error, d) { | |
| topojson.presimplify(d) | |
| // calcular máximo y mínimo | |
| color.domain(d3.extent(d.objects["madrid"].geometries, function(d) { return d.properties.rate })) | |
| // pasar la escala a la leyenda | |
| legend.scale(color) | |
| // llamar a la leyenda | |
| d3.select(".legend") | |
| .call(legend) | |
| // Spam | |
| var map = new StaticCanvasMap({ | |
| element: "body", | |
| projection: d3.geo.mercator() | |
| .center([-3.7063242,40.5066516]) | |
| .scale(80000), | |
| height: 620, | |
| data: [{ | |
| features: topojson.feature(d, d.objects["madrid"]), | |
| static: { | |
| paintfeature: function(parameters, d) { | |
| // pintar el mapa | |
| parameters.context.fillStyle = color(d.properties.rate) | |
| parameters.context.fill() | |
| parameters.context.lineWidth = 0.5 | |
| parameters.context.strokeStyle = 'rgba(0,0,0,0.2)' | |
| parameters.context.stroke() | |
| } | |
| } | |
| }] | |
| }) | |
| map.init() | |
| }) | |
| </script> |
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