obesity map

_.md

[ Launch: obesity map ] 5655269 by enjalot
[ Launch: obesity map ] 5651806 by enjalot
[ Launch: obesity map ] 5651657 by enjalot

config.json

{"description":"obesity map","endpoint":"","display":"svg","public":true,"require":[{"name":"cartogram","url":"http://enjalot.github.io/d3-cartogram/cartogram.js"},{"name":"colorbrewer","url":"http://enjalot.github.io/d3-cartogram/lib/colorbrewer.js"},{"name":"topojson","url":"http://enjalot.github.io/d3-cartogram/lib/topojson.js"}],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"obesity.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"style.css":{"default":true,"vim":false,"emacs":false,"fontSize":12},"us.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":true,"loop":true,"restart":false,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/JHHBGCO.png"}

inlet.js

//from http://blog.milesgrimshaw.com/2013/03/14/obesity-in-the-usa/
//and http://prag.ma/code/d3-cartogram/?segmentized#netmigrate/2011
//inspired by https://plus.google.com/+avinash/posts/2ssDxtgp15K

var topology = tributary.us;
var geometries = topology.objects.states.geometries;
var data = tributary.obesity;

colors = ["#ffffff","#ff0000", "#000000"]

var year0 = 1995
var year1 = 2010
var yearScale = d3.scale.linear()
.domain([0,1])
.range([year0, year1])
year = year0;

tributary.loop_type = "none";
tributary.duration = 20000;



var duration = tributary.duration/(year1-year0) - 50;

var svg = d3.select("svg");


rawData = data;
dataById = d3.nest()
  .key(function(d) { return d.state; })
  //.rollup(function(d) { return d[0]; })
  .map(data);

var field = "obese";
var proj = d3.geo.albersUsa();
var carto = d3.cartogram()
  .projection(proj)
  .properties(function(d) {
    return dataById[d.id.toLowerCase()];
  })
  .value(function(d) {
    //console.log(d);
    return +d.properties[field];
  });


var zoom = d3.behavior.zoom()
  .translate([-38, 32])
  .scale(.94)
  .scaleExtent([0.5, 10.0])


var yearTitle = svg.append("text")
.classed("year", true)
.text(year)
.attr({
  x: tributary.sw - 250,
  y: tributary.sh - 50
})

var proj = d3.geo.albersUsa();
carto = d3.cartogram()
.projection(proj)
.properties(function(d) {
  return dataById[d.id.toLowerCase()];
})
.value(function(d) {
  return +d.properties[field];
});



tributary.init = function(g) {
  var map = g.append("g").classed("map", true);
  
  var layer = map.append("g")
    .attr("class", "layer");
  var states = layer.append("g")
    .attr("class", "states")
    .selectAll("path");

  var features = carto.features(topology, geometries),
  path = d3.geo.path()
    .projection(proj);

  states = g.select("g.states").selectAll("path");
  states = states.data(features)
    .enter()
    .append("path")
      .attr("class", "state")
      .attr("id", function(d) {
        return d.id.toLowerCase();
      })
      .attr("fill", "#fafafa")
      .attr("d", path);

  states.append("title");
  
  if(!tributary.bv) {
    states.style("fill-opacity", 1)
  }
  // map.call(zoom);
  updateZoom(g);
}


var lastyear = year-1;
tributary.run = function(g,t,i) {
  year = Math.floor(yearScale(t));
  //console.log(year, lastyear);
  if(year != lastyear || i > 0) {
    update(g);
    d3.select("text.year").text(year);
  }
  lastyear = year;
}



function updateZoom(g) {
var scale = zoom.scale();
g.select("g.layer").attr("transform",
  "translate(" + zoom.translate() + ") " +
  "scale(" + [scale, scale] + ")");
}




function update(g) {
  states = g.select("g.states").selectAll("path");
  
  var start = Date.now();
  var fmt = (typeof field.format === "function")
    ? field.format
    : d3.format(field.format || ","),
  value = function(d) {
    return d3.max(d.properties, function(d) {
      if(d.year === year) return d.obese
      return 0;      
    })
  },
  values = states.data()
    .map(value)
    .filter(function(n) {
      return !isNaN(n);
    })
    .sort(d3.ascending),
  lo = values[0],
  hi = values[values.length - 1];
   hi = 40;

  console.log(lo, d3.mean(values), hi)
  var color = d3.scale.linear()
    .range(colors)
    .domain(lo < 0
      ? [lo, 0, hi]
      : [lo, d3.mean(values), hi]);
     //  : [0, d3.mean(values), hi]);

  // normalize the scale to positive numbers
  var scale = d3.scale.linear()
    .domain([lo, hi])
    .range([1, 1000]);

  // tell the cartogram to use the scaled values
  carto.value(function(d) {
    return scale(value(d));
  });

  // generate the new features, pre-projected
  var features = carto(topology, geometries).features;

  // update the data
  states.data(features)
    .select("title")
      .text(function(d) {
        return [d.properties.NAME, fmt(value(d))].join(": ");
      });
  
  states.transition()
    .duration(duration)
    .ease("linear")
    .attr("fill", function(d) {
      return color(value(d));
    })
    .attr("d", carto.path);

  var delta = (Date.now() - start) / 1000;
  //stat.text(["calculated in", delta.toFixed(1), "seconds"].join(" "));
}

var deferredUpdate = (function() {
  var timeout;
  return function() {
    var args = arguments;
    clearTimeout(timeout);
//    stat.text("calculating...");
    return timeout = setTimeout(function() {
      update.apply(null, arguments);
    }, 10);
  };
 })();

obesity.json

[{"state":"alabama","year":1995,"obese":18.7},
{"state":"alabama","year":1996,"obese":20.5},
{"state":"alabama","year":1997,"obese":18.2},
{"state":"alabama","year":1998,"obese":21.3},
{"state":"alabama","year":1999,"obese":22.4},
{"state":"alabama","year":2000,"obese":23.9},
{"state":"alabama","year":2001,"obese":24.5},
{"state":"alabama","year":2002,"obese":25.7},
{"state":"alabama","year":2003,"obese":28.4},
{"state":"alabama","year":2004,"obese":28.8},
{"state":"alabama","year":2005,"obese":28.9},
{"state":"alabama","year":2006,"obese":30.5},
{"state":"alabama","year":2007,"obese":30.9},
{"state":"alabama","year":2008,"obese":32.2},
{"state":"alabama","year":2009,"obese":31.6},
{"state":"alabama","year":2010,"obese":33},
{"state":"alaska","year":1995,"obese":19.8},
{"state":"alaska","year":1996,"obese":17.5},
{"state":"alaska","year":1997,"obese":19.7},
{"state":"alaska","year":1998,"obese":21.4},
{"state":"alaska","year":1999,"obese":20.4},
{"state":"alaska","year":2000,"obese":21},
{"state":"alaska","year":2001,"obese":22.1},
{"state":"alaska","year":2002,"obese":23.4},
{"state":"alaska","year":2003,"obese":23.5},
{"state":"alaska","year":2004,"obese":23.7},
{"state":"alaska","year":2005,"obese":27.4},
{"state":"alaska","year":2006,"obese":26.2},
{"state":"alaska","year":2007,"obese":28.2},
{"state":"alaska","year":2008,"obese":27.1},
{"state":"alaska","year":2009,"obese":25.4},
{"state":"alaska","year":2010,"obese":25.2},
{"state":"arizona","year":1995,"obese":13.3},
{"state":"arizona","year":1996,"obese":15.1},
{"state":"arizona","year":1997,"obese":12.4},
{"state":"arizona","year":1998,"obese":13.1},
{"state":"arizona","year":1999,"obese":12.3},
{"state":"arizona","year":2000,"obese":19.2},
{"state":"arizona","year":2001,"obese":18.5},
{"state":"arizona","year":2002,"obese":19.6},
{"state":"arizona","year":2003,"obese":20.1},
{"state":"arizona","year":2004,"obese":21.2},
{"state":"arizona","year":2005,"obese":21.1},
{"state":"arizona","year":2006,"obese":22.9},
{"state":"arizona","year":2007,"obese":25.8},
{"state":"arizona","year":2008,"obese":25.6},
{"state":"arizona","year":2009,"obese":25.9},
{"state":"arizona","year":2010,"obese":25.2},
{"state":"arkansas","year":1995,"obese":17.5},
{"state":"arkansas","year":1996,"obese":17.8},
{"state":"arkansas","year":1997,"obese":18.1},
{"state":"arkansas","year":1998,"obese":19.8},
{"state":"arkansas","year":1999,"obese":22.7},
{"state":"arkansas","year":2000,"obese":23.3},
{"state":"arkansas","year":2001,"obese":22.4},
{"state":"arkansas","year":2002,"obese":23.7},
{"state":"arkansas","year":2003,"obese":25.2},
{"state":"arkansas","year":2004,"obese":26.1},
{"state":"arkansas","year":2005,"obese":28},
{"state":"arkansas","year":2006,"obese":26.9},
{"state":"arkansas","year":2007,"obese":29.3},
{"state":"arkansas","year":2008,"obese":29.5},
{"state":"arkansas","year":2009,"obese":31.5},
{"state":"arkansas","year":2010,"obese":30.9},
{"state":"california","year":1995,"obese":15.1},
{"state":"california","year":1996,"obese":14.6},
{"state":"california","year":1997,"obese":16},
{"state":"california","year":1998,"obese":17.3},
{"state":"california","year":1999,"obese":18.7},
{"state":"california","year":2000,"obese":19.9},
{"state":"california","year":2001,"obese":21.9},
{"state":"california","year":2002,"obese":19.2},
{"state":"california","year":2003,"obese":23.2},
{"state":"california","year":2004,"obese":22.2},
{"state":"california","year":2005,"obese":22.7},
{"state":"california","year":2006,"obese":23.3},
{"state":"california","year":2007,"obese":23.3},
{"state":"california","year":2008,"obese":24.3},
{"state":"california","year":2009,"obese":25.5},
{"state":"california","year":2010,"obese":24.7},
{"state":"colorado","year":1995,"obese":10.1},
{"state":"colorado","year":1996,"obese":10.3},
{"state":"colorado","year":1997,"obese":11.8},
{"state":"colorado","year":1998,"obese":14.4},
{"state":"colorado","year":1999,"obese":14.9},
{"state":"colorado","year":2000,"obese":14.2},
{"state":"colorado","year":2001,"obese":14.9},
{"state":"colorado","year":2002,"obese":16.5},
{"state":"colorado","year":2003,"obese":16},
{"state":"colorado","year":2004,"obese":16.8},
{"state":"colorado","year":2005,"obese":17.8},
{"state":"colorado","year":2006,"obese":18.2},
{"state":"colorado","year":2007,"obese":19.3},
{"state":"colorado","year":2008,"obese":19.1},
{"state":"colorado","year":2009,"obese":19},
{"state":"colorado","year":2010,"obese":21.4},
{"state":"connecticut","year":1995,"obese":12.5},
{"state":"connecticut","year":1996,"obese":13.4},
{"state":"connecticut","year":1997,"obese":14.7},
{"state":"connecticut","year":1998,"obese":15.5},
{"state":"connecticut","year":1999,"obese":15.1},
{"state":"connecticut","year":2000,"obese":17.4},
{"state":"connecticut","year":2001,"obese":17.9},
{"state":"connecticut","year":2002,"obese":18},
{"state":"connecticut","year":2003,"obese":19.1},
{"state":"connecticut","year":2004,"obese":19.7},
{"state":"connecticut","year":2005,"obese":20.1},
{"state":"connecticut","year":2006,"obese":20.6},
{"state":"connecticut","year":2007,"obese":21.7},
{"state":"connecticut","year":2008,"obese":21.4},
{"state":"connecticut","year":2009,"obese":21},
{"state":"connecticut","year":2010,"obese":23},
{"state":"delaware","year":1995,"obese":17.1},
{"state":"delaware","year":1996,"obese":17.7},
{"state":"delaware","year":1997,"obese":18.8},
{"state":"delaware","year":1998,"obese":17.2},
{"state":"delaware","year":1999,"obese":17.5},
{"state":"delaware","year":2000,"obese":16.6},
{"state":"delaware","year":2001,"obese":20.8},
{"state":"delaware","year":2002,"obese":22.4},
{"state":"delaware","year":2003,"obese":24},
{"state":"delaware","year":2004,"obese":21.1},
{"state":"delaware","year":2005,"obese":23.5},
{"state":"delaware","year":2006,"obese":26},
{"state":"delaware","year":2007,"obese":28.2},
{"state":"delaware","year":2008,"obese":27.8},
{"state":"delaware","year":2009,"obese":27.6},
{"state":"delaware","year":2010,"obese":28.7},
{"state":"district of columbia","year":1996,"obese":16.8},
{"state":"district of columbia","year":1997,"obese":14.5},
{"state":"district of columbia","year":1998,"obese":20.2},
{"state":"district of columbia","year":1999,"obese":18.5},
{"state":"district of columbia","year":2000,"obese":21.5},
{"state":"district of columbia","year":2001,"obese":20},
{"state":"district of columbia","year":2002,"obese":20.7},
{"state":"district of columbia","year":2003,"obese":20.3},
{"state":"district of columbia","year":2004,"obese":22.5},
{"state":"district of columbia","year":2005,"obese":21.7},
{"state":"district of columbia","year":2006,"obese":22.5},
{"state":"district of columbia","year":2007,"obese":22.2},
{"state":"district of columbia","year":2008,"obese":22.3},
{"state":"district of columbia","year":2009,"obese":20.1},
{"state":"district of columbia","year":2010,"obese":22.4},
{"state":"florida","year":1995,"obese":17.2},
{"state":"florida","year":1996,"obese":16.7},
{"state":"florida","year":1997,"obese":16.1},
{"state":"florida","year":1998,"obese":18},
{"state":"florida","year":1999,"obese":18.6},
{"state":"florida","year":2000,"obese":18.7},
{"state":"florida","year":2001,"obese":18.8},
{"state":"florida","year":2002,"obese":19.4},
{"state":"florida","year":2003,"obese":19.9},
{"state":"florida","year":2004,"obese":22.9},
{"state":"florida","year":2005,"obese":22.8},
{"state":"florida","year":2006,"obese":23.1},
{"state":"florida","year":2007,"obese":24.1},
{"state":"florida","year":2008,"obese":25.2},
{"state":"florida","year":2009,"obese":26.5},
{"state":"florida","year":2010,"obese":27.2},
{"state":"georgia","year":1995,"obese":13.3},
{"state":"georgia","year":1996,"obese":11.5},
{"state":"georgia","year":1997,"obese":14.4},
{"state":"georgia","year":1998,"obese":19.2},
{"state":"georgia","year":1999,"obese":21.1},
{"state":"georgia","year":2000,"obese":21.5},
{"state":"georgia","year":2001,"obese":22.7},
{"state":"georgia","year":2002,"obese":23.5},
{"state":"georgia","year":2003,"obese":25.2},
{"state":"georgia","year":2004,"obese":24.7},
{"state":"georgia","year":2005,"obese":26.5},
{"state":"georgia","year":2006,"obese":27.1},
{"state":"georgia","year":2007,"obese":28.7},
{"state":"georgia","year":2008,"obese":27.8},
{"state":"georgia","year":2009,"obese":27.7},
{"state":"georgia","year":2010,"obese":30.4},
{"state":"hawaii","year":1995,"obese":10.8},
{"state":"hawaii","year":1996,"obese":12.9},
{"state":"hawaii","year":1997,"obese":13.6},
{"state":"hawaii","year":1998,"obese":15.5},
{"state":"hawaii","year":1999,"obese":15.7},
{"state":"hawaii","year":2000,"obese":15.7},
{"state":"hawaii","year":2001,"obese":17.9},
{"state":"hawaii","year":2002,"obese":17.1},
{"state":"hawaii","year":2003,"obese":16.4},
{"state":"hawaii","year":2005,"obese":19.7},
{"state":"hawaii","year":2006,"obese":20.6},
{"state":"hawaii","year":2007,"obese":21.7},
{"state":"hawaii","year":2008,"obese":23.1},
{"state":"hawaii","year":2009,"obese":22.9},
{"state":"hawaii","year":2010,"obese":23.1},
{"state":"idaho","year":1995,"obese":14.2},
{"state":"idaho","year":1996,"obese":16.9},
{"state":"idaho","year":1997,"obese":16.3},
{"state":"idaho","year":1998,"obese":16.4},
{"state":"idaho","year":1999,"obese":20},
{"state":"idaho","year":2000,"obese":18.9},
{"state":"idaho","year":2001,"obese":20.5},
{"state":"idaho","year":2002,"obese":20.2},
{"state":"idaho","year":2003,"obese":21.8},
{"state":"idaho","year":2004,"obese":20.8},
{"state":"idaho","year":2005,"obese":24.5},
{"state":"idaho","year":2006,"obese":24.1},
{"state":"idaho","year":2007,"obese":25.1},
{"state":"idaho","year":2008,"obese":25.2},
{"state":"idaho","year":2009,"obese":25.1},
{"state":"idaho","year":2010,"obese":26.9},
{"state":"illinois","year":1995,"obese":16.7},
{"state":"illinois","year":1996,"obese":17},
{"state":"illinois","year":1997,"obese":17.1},
{"state":"illinois","year":1998,"obese":18.5},
{"state":"illinois","year":1999,"obese":20.9},
{"state":"illinois","year":2000,"obese":21.7},
{"state":"illinois","year":2001,"obese":21},
{"state":"illinois","year":2002,"obese":21.9},
{"state":"illinois","year":2003,"obese":23.7},
{"state":"illinois","year":2004,"obese":23},
{"state":"illinois","year":2005,"obese":25.1},
{"state":"illinois","year":2006,"obese":25.1},
{"state":"illinois","year":2007,"obese":25.6},
{"state":"illinois","year":2008,"obese":26.9},
{"state":"illinois","year":2009,"obese":27.4},
{"state":"illinois","year":2010,"obese":28.7},
{"state":"indiana","year":1995,"obese":20.1},
{"state":"indiana","year":1996,"obese":18.6},
{"state":"indiana","year":1997,"obese":21.2},
{"state":"indiana","year":1998,"obese":19.9},
{"state":"indiana","year":1999,"obese":19.9},
{"state":"indiana","year":2000,"obese":21.8},
{"state":"indiana","year":2001,"obese":24.5},
{"state":"indiana","year":2002,"obese":24.1},
{"state":"indiana","year":2003,"obese":26},
{"state":"indiana","year":2004,"obese":25.5},
{"state":"indiana","year":2005,"obese":27.2},
{"state":"indiana","year":2006,"obese":27.8},
{"state":"indiana","year":2007,"obese":27.4},
{"state":"indiana","year":2008,"obese":27},
{"state":"indiana","year":2009,"obese":30},
{"state":"indiana","year":2010,"obese":30.2},
{"state":"iowa","year":1995,"obese":17.5},
{"state":"iowa","year":1996,"obese":18.7},
{"state":"iowa","year":1997,"obese":19.4},
{"state":"iowa","year":1998,"obese":19.8},
{"state":"iowa","year":1999,"obese":21.5},
{"state":"iowa","year":2000,"obese":21.5},
{"state":"iowa","year":2001,"obese":22.5},
{"state":"iowa","year":2002,"obese":22.9},
{"state":"iowa","year":2003,"obese":23.9},
{"state":"iowa","year":2004,"obese":23.5},
{"state":"iowa","year":2005,"obese":25.4},
{"state":"iowa","year":2006,"obese":25.7},
{"state":"iowa","year":2007,"obese":27.7},
{"state":"iowa","year":2008,"obese":26.7},
{"state":"iowa","year":2009,"obese":28.5},
{"state":"iowa","year":2010,"obese":29.1},
{"state":"kansas","year":1995,"obese":15.9},
{"state":"kansas","year":1996,"obese":13.4},
{"state":"kansas","year":1997,"obese":14.7},
{"state":"kansas","year":1998,"obese":17.7},
{"state":"kansas","year":1999,"obese":18.9},
{"state":"kansas","year":2000,"obese":20.8},
{"state":"kansas","year":2001,"obese":21.6},
{"state":"kansas","year":2002,"obese":22.8},
{"state":"kansas","year":2003,"obese":22.6},
{"state":"kansas","year":2004,"obese":23.2},
{"state":"kansas","year":2005,"obese":23.9},
{"state":"kansas","year":2006,"obese":25.9},
{"state":"kansas","year":2007,"obese":27.7},
{"state":"kansas","year":2008,"obese":28.1},
{"state":"kansas","year":2009,"obese":28.8},
{"state":"kansas","year":2010,"obese":30.1},
{"state":"kentucky","year":1995,"obese":16.9},
{"state":"kentucky","year":1996,"obese":19.2},
{"state":"kentucky","year":1997,"obese":21.8},
{"state":"kentucky","year":1998,"obese":20.4},
{"state":"kentucky","year":1999,"obese":21.7},
{"state":"kentucky","year":2000,"obese":23},
{"state":"kentucky","year":2001,"obese":24.6},
{"state":"kentucky","year":2002,"obese":24.4},
{"state":"kentucky","year":2003,"obese":25.6},
{"state":"kentucky","year":2004,"obese":25.8},
{"state":"kentucky","year":2005,"obese":28.6},
{"state":"kentucky","year":2006,"obese":28},
{"state":"kentucky","year":2007,"obese":28.7},
{"state":"kentucky","year":2008,"obese":30.3},
{"state":"kentucky","year":2009,"obese":32.4},
{"state":"kentucky","year":2010,"obese":31.8},
{"state":"louisiana","year":1995,"obese":17.7},
{"state":"louisiana","year":1996,"obese":19.7},
{"state":"louisiana","year":1997,"obese":19.6},
{"state":"louisiana","year":1998,"obese":21.8},
{"state":"louisiana","year":1999,"obese":22.3},
{"state":"louisiana","year":2000,"obese":23.6},
{"state":"louisiana","year":2001,"obese":24},
{"state":"louisiana","year":2002,"obese":25.5},
{"state":"louisiana","year":2003,"obese":24.8},
{"state":"louisiana","year":2004,"obese":26.9},
{"state":"louisiana","year":2005,"obese":30.8},
{"state":"louisiana","year":2006,"obese":27.1},
{"state":"louisiana","year":2007,"obese":30.7},
{"state":"louisiana","year":2008,"obese":29},
{"state":"louisiana","year":2009,"obese":33.9},
{"state":"louisiana","year":2010,"obese":31.7},
{"state":"maine","year":1995,"obese":14.1},
{"state":"maine","year":1996,"obese":16.1},
{"state":"maine","year":1997,"obese":16.2},
{"state":"maine","year":1998,"obese":17.4},
{"state":"maine","year":1999,"obese":19.4},
{"state":"maine","year":2000,"obese":20},
{"state":"maine","year":2001,"obese":19.5},
{"state":"maine","year":2002,"obese":20.7},
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