This map shows the number of commuters to Dutch municipalities in 2012. Click on a municipality to see were the commuters working there are living.
Source: CBS Statline
Texture styling with [Textures.js] (http://riccardoscalco.github.io/textures/)
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Commutes 2012 - Oldskool style
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path.gems { | |
| fill: white; | |
| stroke: black; | |
| stroke-width: 0.24; | |
| } | |
| </style> | |
| <div id="viz"></div> | |
| <script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="https://d3js.org/queue.v1.min.js"></script> | |
| <script src="textures.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var svg = d3.select("#viz").append("svg") | |
| .attr("width",width) | |
| .attr("height",height) | |
| .attr("id", "root") | |
| .append("g") | |
| .call(d3.behavior.zoom().scaleExtent([1, 8]).on("zoom", zoom)) | |
| .append("g"); | |
| var text = d3.select("#root").append("text") | |
| .text("Click on a municipality...") | |
| .attr("id","legend") | |
| .attr("transform","translate(10,15)"); | |
| var path, | |
| banenByID; | |
| var tl = textures.lines() | |
| .size(1.5) | |
| .strokeWidth(0.8) | |
| .background("white"); | |
| svg.call(tl); | |
| var tc = textures.circles() | |
| .size(2) | |
| .radius(0.25) | |
| .background("white"); | |
| svg.call(tc); | |
| var colours = ["#fef0d9","#fdd49e","#fdbb84", "#fc8d59", "#ef6548", "#d7301f", "#990000", "#990000"]; | |
| var heatmapColour = d3.scale.linear() | |
| .domain(d3.range(0, 1, 1.0 / (colours.length - 1))) | |
| .range(colours); | |
| var c = d3.scale.linear().domain([0,10]).range([0,1]); | |
| queue() | |
| .defer(d3.json,"https://dl.dropboxusercontent.com/s/k066kxpah3aw8oy/nlGem2012wgs.json?dl=1") | |
| .defer(d3.tsv,"https://dl.dropboxusercontent.com/s/w3ojz1g4458s8yr/nlGemForens2012.tsv?dl=1") | |
| .await(ready); | |
| function ready(error, mapdata,_banen) { | |
| var gemIdByName = {}; | |
| mapdata.features.forEach(function(d) { | |
| gemIdByName[d.properties.name] = d.properties.code; | |
| }); | |
| banenByID = {}; | |
| _banen.forEach(function(d) { | |
| banenByID[d.gemcode] = d; | |
| }); | |
| var center = d3.geo.centroid(mapdata); | |
| var scale = 100; | |
| var offset = [width/2, height/2]; | |
| var projection = d3.geo.mercator() | |
| .scale(scale) | |
| .center(center) | |
| .translate(offset); | |
| path = d3.geo.path() | |
| .projection(projection); | |
| var bounds = path.bounds(mapdata); | |
| var hscale = scale*width / (bounds[1][0] - bounds[0][0]); | |
| var vscale = scale*height / (bounds[1][1] - bounds[0][1]); | |
| var scale = (hscale < vscale) ? hscale : vscale; | |
| var offset = [width - (bounds[0][0] + bounds[1][0])/2, | |
| height -20 -(bounds[0][1] + bounds[1][1])/2]; | |
| projection = d3.geo.mercator() | |
| .center(center) | |
| .scale(scale) | |
| .translate(offset); | |
| path = path.projection(projection); | |
| var cont = svg.append("g"); | |
| var conts = cont.selectAll(".cont") | |
| .data(mapdata.features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| .attr("class","cont") | |
| .style("stroke","black") | |
| .style("stroke-width",2) | |
| .style("fill","white"); | |
| var map = svg.append("g"); | |
| var gems = map.selectAll(".gems") | |
| .data(mapdata.features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| .attr("class", function(d) {return "gems G"+pad(d.properties.GEMNR,4)}) | |
| .on("click",function(d){doIt(d)}); | |
| var arrows = svg.selectAll("arrows") | |
| .data(mapdata.features).enter() | |
| .append("g") | |
| .attr("transform", function (d) { | |
| cx = path.centroid(d)[0]; | |
| cy = path.centroid(d)[1]; | |
| return "translate("+cx+","+cy+")"; }); | |
| var arrow = arrows.append("g") | |
| .attr("class","a") | |
| .style("display", "none"); | |
| arrow.append("path") | |
| .attr("class",function (d) {return "arrow p" + d.properties.GEMNR}) | |
| .attr("d", "M6 0 L1 0.5 L-6 0.5 L-6 -0.5 L1 -0.5 Z") | |
| .style("fill", "black"); | |
| }; | |
| function doIt(d) { | |
| center = path.centroid(d); | |
| code = "G"+pad(d.properties.GEMNR,4); | |
| banen = banenByID[code]; | |
| d3.selectAll(".gems") | |
| .style("fill", function(d) { | |
| co = "G"+pad(d.properties.GEMNR,4); | |
| b = path.bounds(d); | |
| v=banen[co]; | |
| if (co == code) { color = tl.url()} | |
| else {color = (v=="" || v==0) ? "white":tc.url()}; | |
| return color}); | |
| d3.selectAll(".a") | |
| .style("display", function(d) { | |
| co = "G"+pad(d.properties.GEMNR,4); | |
| v=banen[co]; | |
| disp = (v=="" || v==0 || co == code) ? "none":"inline"; | |
| return disp}) | |
| .call(compassAngle, center, 2000) | |
| .call(compassWidth,500); | |
| d3.select("#legend") | |
| .text(function() {return "Commutes to "+d.properties.GEMNM}) | |
| } | |
| function compassAngle(p, center, duration) { | |
| p.transition("compassAngle") | |
| .duration(duration) | |
| .ease("elastic-in") | |
| .attr("transform", function(d) {return "rotate("+angleDeg(path.centroid(d),center)+")"}); | |
| } | |
| function compassWidth(p, duration) { | |
| p.selectAll(".arrow").transition("compassWidth") | |
| .duration(duration) | |
| //.style("stroke-width", function(d) {return banen["G"+pad(d.properties.GEMNR,4)]}) | |
| .attr("transform", function(d) { | |
| v = banen["G"+pad(d.properties.GEMNR,4)]; | |
| return "scale(1 " + v +")"}); | |
| } | |
| function angleDeg(p1,p2) { | |
| return Math.atan2(p2[1] - p1[1], p2[0] - p1[0]) * 180 / Math.PI; | |
| } | |
| function pad(num, size) { | |
| var s = num+""; | |
| while (s.length < size) s = "0" + s; | |
| return s; | |
| } | |
| function zoom() { | |
| svg.attr("transform", "translate(" + d3.event.translate + ")scale(" + d3.event.scale + ")"); | |
| } | |
| </script> |
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