Created
December 7, 2012 03:20
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta http-equiv="content-type" content="text/html; charset=utf-8"> | |
| <title>my example</title> | |
| <style> | |
| .lakers { | |
| fill: purple; | |
| stroke: yellow; | |
| stroke-width: 2;opacity: 0.99; | |
| } | |
| .chargers { | |
| fill: yellow; | |
| stroke: blue; | |
| stroke-width: 3; | |
| opacity: 0.95; | |
| } | |
| .states { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-linejoin: round; | |
| } | |
| .q0-9 { fill:rgb(247,251,255); } | |
| .q1-9 { fill:rgb(222,235,247); } | |
| .q2-9 { fill:rgb(198,219,239); } | |
| .q3-9 { fill:rgb(158,202,225); } | |
| .q4-9 { fill:rgb(107,174,214); } | |
| .q5-9 { fill:rgb(66,146,198); } | |
| .q6-9 { fill:rgb(33,113,181); } | |
| .q7-9 { fill:rgb(8,81,156); } | |
| .q8-9 { fill:rgb(8,48,107); } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/queue.v1.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <h2> Here are some circles I made using the "g" method of grouping svg parts together:</h2> | |
| <script> | |
| var dataset = [ 5, 10, 15, 20, 25 ]; | |
| var dataset2 = [ 21, 13, 8, 5, 3, 1 ]; | |
| //Width and height | |
| var w = 500; | |
| var h = 300; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) // <-- Here | |
| .attr("height", h); // <-- and here! | |
| var circles = svg.selectAll("circle") | |
| .data(dataset) | |
| .enter() | |
| .append("circle"); | |
| circles.attr("cx", function(d, i) { | |
| return (i * 50) + 25; | |
| }) | |
| .attr("cy", h-150) | |
| .attr("r", function(d) { | |
| return d; | |
| }) | |
| .attr("class","lakers"); | |
| var circlez = svg.append("g").selectAll("circle") | |
| .data(dataset2) | |
| .enter() | |
| .append("circle"); | |
| circlez.attr("cx", function(d, i) { | |
| return (i * 50) + 25; | |
| }) | |
| .attr("cy", h-50) | |
| .attr("r", function(d) { | |
| return d; | |
| }) | |
| .attr("class","chargers"); | |
| </script> | |
| <p>It works!</p> | |
| <h2> Now, let's try to plot the choropleth from <a href="http://bl.ocks.org/4060606">this example</a> (it doesn't work).</h2> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var quantize = d3.scale.quantize() | |
| .domain([0, .15]) | |
| .range(d3.range(9).map(function(i) { return "q" + i + "-9"; })); | |
| var path = d3.geo.path(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| queue() | |
| .defer(d3.json, "https://gist.github.com/4090846.js?file=us.json") | |
| .defer(d3.tsv, "https://gist.github.com/4060606.js?file=unemployment.tsv") | |
| .await(ready); | |
| function ready(error, us, unemployment) { | |
| var rateById = {}; | |
| unemployment.forEach(function(d) { rateById[d.id] = +d.rate; }); | |
| svg.append("g") | |
| .attr("class", "counties") | |
| .selectAll("path") | |
| .data(topojson.object(us, us.objects.counties).geometries) | |
| .enter().append("path") | |
| .attr("class", function(d) { return quantize(rateById[d.id]); }) | |
| .attr("d", path); | |
| svg.append("path") | |
| .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a.id !== b.id; })) | |
| .attr("class", "states") | |
| .attr("d", path); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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