Unemployment in Poland

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	<title>Unemployment in Poland</title>
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	<div class="text">
		<h1>Unemployment in Poland</h1>
		<p>Map shows unemployment rate in Poland by voivodeship and unemployment rate in main cities.<br />Hover over region or circle/city to see details.</p>
	</div>

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var margin = {top: 5, right: 25, bottom: 5, left: 5};

var width = 900 - margin.left - margin.right,
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					.scale(3000);

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

var mapColor = d3.scale.quantize()
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							.domain([7, 16.5]);

var legendColor = ["#ffffb2", "#fed98e", "#fe9929", "#d95f0e", "#993404"];

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    			.attr("height", height + margin.top + margin.bottom)
  				.append("g")
    			.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var formatNumbers =  d3.format(",");

d3.csv("woj_stats.csv", function(data) {
			
			
    d3.json("woj_maps.json", function(json) {

for (var i = 0; i < data.length; i++) {
				
						var dataWoj = data[i].woj;
						
						
						var areaWoj = parseFloat(data[i].area);
						
						var populationWoj = parseFloat(data[i].population);
						
						var densityWoj = parseFloat(data[i].density);
						
						var unRateWoj = parseFloat(data[i].un_rate_woj);
						
						var capitalWoj = data[i].capital;
						
						var capitalWojUR = parseFloat(data[i].un_rate_capital);

var capitalLong = parseFloat(data[i].longitude);

var capitalLat = parseFloat(data[i].latitude);

for (var j = 0; j < json.features.length; j++) {
						
							var jsonWoj = json.features[j].properties.name;
				
							if (dataWoj == jsonWoj) {
						
								json.features[j].properties.area = areaWoj;
								json.features[j].properties.population = populationWoj;
								json.features[j].properties.density = densityWoj;
								json.features[j].properties.un_rate_woj = unRateWoj;
								json.features[j].properties.capital = capitalWoj;
								json.features[j].properties.capitalWojUR = capitalWojUR;
								
								json.features[j].properties.longitude = capitalLong;
								
								json.features[j].properties.latitude = capitalLat;

break;
								
							}
						}		
					}

var mapWojGroups = svg.selectAll("g.woj")
                    .data(json.features)
                    .enter()
                    .append("g")
                    .attr("class", "woj");

mapWojGroups.append("path")
				   .attr("d", path)
				   .attr("class", "path")
				   .style("fill", function (d) { return mapColor(d.properties.un_rate_woj);
				   });

var wojLabels = mapWojGroups.append("text")
					.attr("x", 550)
					.attr("y", 100)
					.attr("text-anchor", "start")
					.attr("fill", "none")
					.text(function(d) { return d.properties.name; });

wojLabels.append("text")
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					.attr("y", 100)
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					.text(function(d) { return d.properties.name; });
					
			wojLabels.append("tspan")
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					.attr("dy", 25)
					.text(function(d) { return "Area: " + formatNumbers(d.properties.area) + " sq. km"; })
					
					.append("tspan")
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					.attr("dy", 25)
					.text(function(d) { return "Population: " + formatNumbers(d.properties.population); })
					
					.append("tspan")
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					.attr("dy", 25)
					.text(function(d) { return "Unemployment rate: " + d.properties.un_rate_woj + "%"; })
					
					.append("tspan")
					.attr("x", 550)
					.attr("dy", 25)
					.text(function(d) { return "Capital: " + d.properties.capital ; })

.append("tspan")
					.attr("x", 550)
					.attr("dy", 25)
					.text(function(d) { return d.properties.capital + "'s unemployment rate: " + d.properties.capitalWojUR + "%"; });

var mapCapitalGroups = svg.selectAll("g.capital")
                    .data(json.features)
                    .enter()
                    .append("g")
                    .attr("class", "capital");

mapCapitalGroups.append("circle")
       				.attr("cx", function(d) {
				  		 return projection([d.properties.longitude, d.properties.latitude])[0];
				   	 })
                    .attr("cy", function(d) {
				  		return projection([d.properties.longitude, d.properties.latitude])[1];
				  	    	 })
					.attr("r", function(d) { return Math.sqrt(+d.properties.capitalWojUR * 50);
					   });

var capitalLabels = mapCapitalGroups.append("text")
					.attr("x", 550)
					.attr("y", 100)
					.attr("text-anchor", "start")
					.attr("fill", "none")
					.text(function(d) { return d.properties.capital; });

capitalLabels.append("tspan")
					.attr("x", 550)
					.attr("dy", 25)
					.text(function(d) { return "Capital of " + d.properties.name + " voivodeship"; })
		
					.append("tspan")
					.attr("x", 550)
					.attr("dy", 25)
					.text(function(d) { return "Unemployment rate: " + d.properties.capitalWojUR + "%"; })

.append("tspan")
					.attr("x", 550)
					.attr("dy", 25)
					.text(function(d) { return d.properties.name + "'s unemployment rate: " + d.properties.un_rate_woj +"%"; });

for (var i = 0; i < 5; i++) {
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svg.append("text")
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				.attr("text-anchor", "end")
				.attr("class", "legend")
				.text("7%");

svg.append("text")
				.attr("x", 210)
				.attr("y", 505)
				.attr("text-anchor", "end")
				.attr("class", "legend")
				.text("16.5%");

});
	});
	
	</script>

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