tomgp/index.html

## index.html
<html>
<head>
	<title>small multiple maps</title>
	<style type="text/css">
		body{
			font-family: sans-serif;
		}
		.map{
			display: inline-block;
			text-align: center; }

		path{
			stroke-width:1; }

		.yet-to-vote{
			fill:none;
			stroke:#666;
			stroke-width:0.1; }

		.voted{
			fill:#666;
			stroke:#666;}

		.voting{
			fill:#FF2600;
			stroke:#FF2600;}

		.none{
			fill:none;
			stroke:none; }

	</style>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
</head>
<body>
<div id="maps"></div>
</body>
<script type="text/javascript">
var currentDate = '2014-2-10';
var mapWidth = 200;
var mapHeight = 120;

var projection = d3.geo.albersUsa()
    .scale(220)
    .translate([mapWidth / 2, mapHeight / 2]);

var path = d3.geo.path()
    .projection(projection);

var dateFormat = d3.time.format("%B %e");

d3.json("map.geojson", function(error, map) {
  var dates_o = {};
  map.features.forEach(function(d,i){
  	if(!dates_o[d.properties.date]){
  		dates_o[d.properties.date] = true;
  	}
  });
  var dates = Object.keys(dates_o);
  console.log(dates);
  //draw a map for each date
  var dateJoin = d3.select('#maps').selectAll('div.map')
  	.data(dates);

  var divs = dateJoin.enter()
  	.append('div').attr({
  		'id':function(d){ return 'map_'+d; },
  		'class':'map'
  	})


  	divs.append('p').text(function(d){ return dateFormat(new Date(d)); })

  	var SVGs = divs.append('svg').attr({
  		'width':mapWidth,
  		'height':mapHeight
  	});

  	SVGs.each(function(date){
  		d3.select(this).selectAll('path')
			.data(map.features)
			.enter().append("path")
				.attr({
					"d":path,
					"id":function(d){
						return d.properties.name + date;
					}
				});
	});

	function update(){
		SVGs.each(function(date){
			var now = new Date(date);
	  		d3.select(this).selectAll('path')
				.data(map.features)
					.attr({
						"class":function(d,i){
							if(d.properties.date){
								var stateDate = new Date(d.properties.date);
								if(stateDate > now){
									return 'yet-to-vote';
								}else if(stateDate < now){
									return 'voted';
								}
								return 'voting';
							}
							return 'none';
						}
					});
		})
	}

	update();

});

</script>

</html>

## map.geojson

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

              map.geojson
            
          
      Loading

      Sorry, something went wrong. Reload?
      Sorry, we cannot display this file.
      Sorry, this file is invalid so it cannot be displayed.
      
          Viewer requires iframe.
      
    
## thumbnail.png

      
    Raw
  

              thumbnail.png
	<html>
	<head>
	<title>small multiple maps</title>
	<style type="text/css">
	body{
	font-family: sans-serif;
	}
	.map{
	display: inline-block;
	text-align: center; }

	path{
	stroke-width:1; }

	.yet-to-vote{
	fill:none;
	stroke:#666;
	stroke-width:0.1; }

	.voted{
	fill:#666;
	stroke:#666;}

	.voting{
	fill:#FF2600;
	stroke:#FF2600;}

	.none{
	fill:none;
	stroke:none; }

	</style>
	<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
	</head>
	<body>
	<div id="maps"></div>
	</body>
	<script type="text/javascript">
	var currentDate = '2014-2-10';
	var mapWidth = 200;
	var mapHeight = 120;

	var projection = d3.geo.albersUsa()
	.scale(220)
	.translate([mapWidth / 2, mapHeight / 2]);

	var path = d3.geo.path()
	.projection(projection);

	var dateFormat = d3.time.format("%B %e");

	d3.json("map.geojson", function(error, map) {
	var dates_o = {};
	map.features.forEach(function(d,i){
	if(!dates_o[d.properties.date]){
	dates_o[d.properties.date] = true;
	}
	});
	var dates = Object.keys(dates_o);
	console.log(dates);
	//draw a map for each date
	var dateJoin = d3.select('#maps').selectAll('div.map')
	.data(dates);

	var divs = dateJoin.enter()
	.append('div').attr({
	'id':function(d){ return 'map_'+d; },
	'class':'map'
	})


	divs.append('p').text(function(d){ return dateFormat(new Date(d)); })

	var SVGs = divs.append('svg').attr({
	'width':mapWidth,
	'height':mapHeight
	});

	SVGs.each(function(date){
	d3.select(this).selectAll('path')
	.data(map.features)
	.enter().append("path")
	.attr({
	"d":path,
	"id":function(d){
	return d.properties.name + date;
	}
	});
	});

	function update(){
	SVGs.each(function(date){
	var now = new Date(date);
	d3.select(this).selectAll('path')
	.data(map.features)
	.attr({
	"class":function(d,i){
	if(d.properties.date){
	var stateDate = new Date(d.properties.date);
	if(stateDate > now){
	return 'yet-to-vote';
	}else if(stateDate < now){
	return 'voted';
	}
	return 'voting';
	}
	return 'none';
	}
	});
	})
	}

	update();

	});

	</script>

	</html>