andreaderrico2/README.md

## README.md

      
    Raw
  

              README.md
            
          
    A line chart showing the behaviour of the average age of the members of the italian Parliament per legislature using d3.js.
An additional line shows the total average age per all legislatures.
Chart made thanks to Camera dei Deputati Open Data.

  
## index.css
body {
  background-color:white;
  font-family: Helvetica;
  font-weight: lighter;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}


.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}

circle {
  fill: white;
  stroke-width: 3;
}

.tooltip {
    background: white;
    border: 1px solid black;
    border-radius: 8px;
    color: black;
    font: 12px sans-serif;
    padding: 2px;
    pointer-events: none;
    position: absolute;
    text-align: center;
    vertical-align: middle;
}

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Italian Parliament Average Age per legislature</title>
    <meta name="description" content="Italian Parliament Average Age per legislature" />
    <link type="text/css" href="index.css" rel="stylesheet"/>
    <script src="http://d3js.org/d3.v3.min.js"></script>
  </head>
  <body>
    <script src="index.js"></script>
  </body>
</html>

## index.js
var margin = {top: 20, right: 80, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var parseDate = d3.time.format("%Y").parse;

var x = d3.time.scale()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

var color = d3.scale.ordinal()
    .range(["#e377c2", "#2ca02c", "#1f77b4"]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .tickFormat(d3.format(".0f"));


var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.age); });

var div = d3.select('body').append("div") // declare the properties for the div used for the tooltips
  .attr("class", "tooltip")       // apply the 'tooltip' class
  .style("opacity", 0);


var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

data = [];
total_deputati = 0;
total_age = 0;

d3.json("http://wafi.iit.cnr.it/webvis/tmp/dati_camera/members_for_republic.json", function(error, json) {
  if (error) return console.warn(error);
  json.results.bindings.forEach(function(d){
    year_legislature = +d.startDate.substring(0,4);
    //console.log(year_legislature);
    deputati = d.deputati.length;
    total_deputati += deputati;
    //console.log(total_deputati);
    age = 0;
    d.deputati.forEach(function(f){
      if (f.dataNascita){
        data_nascita = f.dataNascita.value.substring(0,4);
        single_age = year_legislature-data_nascita;
        age += single_age;
      }
    });
    total_age += age/deputati;
    obj = {"age" : age/deputati, "date" : [{"date":d.startDate.substring(0,4),"legislature":d.repubblica}]};
    data.push(obj);
  });

  color.domain(["age"]);

  var ages = color.domain().map(function(name) {
    return {
      name: name,
      values: data.map(function(d) {
        return {date: d.date[0].date, age: +d[name]};
      })
    };

  });

   var ages_total = color.domain().map(function(name) {
    return {
      name: name,
      values: data.map(function(d) {
        return {date: d.date[0].date, age: total_age/17};
      })
    };
  });

  x.domain(d3.extent(data, function(d) { return d.date[0].date; }));

  y.domain([
    d3.min(ages, function(c) { return d3.min(c.values, function(v) { return v.age; }); }),
    d3.max(ages, function(c) { return d3.max(c.values, function(v) { return v.age; }); })
  ]);

  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("N°");

  svg.append("text")
        .attr("x", (width / 2))
        .attr("y", 0 - (margin.top / 4))
        .attr("text-anchor", "middle")
        .style("font-size", "16px")
        .style("text-decoration", "underline")
        .text("Italian Parliament Average Age per legislature");

  var age = svg.selectAll(".gender")
      .data(ages)
    .enter().append("g")
      .attr("class", "gender");

  age.append("path")
      .attr("class", "line")
      .attr("d", function(d) { return line(d.values); })
      .style("stroke", function(d) { return color(age); });

  var age_total = svg.selectAll(".gender_total")
      .data(ages_total)
    .enter().append("g")
      .attr("class", "gender_total");

  age_total.append("path")
      .attr("class", "line")
      .attr("d", function(d) { return line(d.values); })
      .style("stroke", function(d) { return color(age); });

  age.append("text")
      .datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
      .attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + (y(d.value.age)+10) + ")"; })
      .attr("x", 3)
      .attr("dy", ".35em")
      .text(function(d) { return d.name; });

  svg.selectAll(".male_dot")
        .data(data)
        .enter().append("circle")
        .attr("r", 5)
        .attr("stroke", color(age))
        .attr("cx", function(d,i) { return x(d.date[0].date); })
        .attr("cy", function(d,i) { return y(d.age); })
        .attr("class", "male_dot")
      .on("mouseover", function(d) {
          div.transition()
            .duration(200)
            .style("opacity", 0.9);
        div.html('<b>Average Age:</b> ' + d3.format(".2f")(d.age) + ' <br><b>Year:</b> ' + d.date[0].date + ' <br><b>Legislature:</b> ' + d.date[0].legislature)
            .style("left", (d3.event.pageX) + "px")
            .style("top", (d3.event.pageY + 5) + "px");
      })
      .on("mouseout", function(d) {
        div.transition()
          .duration(500)
          .style("opacity", 0);
      });


});

## thumbnail.png

      
    Raw
  

              thumbnail.png
	body {
	background-color:white;
	font-family: Helvetica;
	font-weight: lighter;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}


	.line {
	fill: none;
	stroke: steelblue;
	stroke-width: 1.5px;
	}

	circle {
	fill: white;
	stroke-width: 3;
	}

	.tooltip {
	background: white;
	border: 1px solid black;
	border-radius: 8px;
	color: black;
	font: 12px sans-serif;
	padding: 2px;
	pointer-events: none;
	position: absolute;
	text-align: center;
	vertical-align: middle;
	}
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Italian Parliament Average Age per legislature</title>
	<meta name="description" content="Italian Parliament Average Age per legislature" />
	<link type="text/css" href="index.css" rel="stylesheet"/>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	</head>
	<body>
	<script src="index.js"></script>
	</body>
	</html>
	var margin = {top: 20, right: 80, bottom: 30, left: 50},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var parseDate = d3.time.format("%Y").parse;

	var x = d3.time.scale()
	.range([0, width]);

	var y = d3.scale.linear()
	.range([height, 0]);

	var color = d3.scale.ordinal()
	.range(["#e377c2", "#2ca02c", "#1f77b4"]);

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom")
	.tickFormat(d3.format(".0f"));


	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left");

	var line = d3.svg.line()
	.x(function(d) { return x(d.date); })
	.y(function(d) { return y(d.age); });

	var div = d3.select('body').append("div") // declare the properties for the div used for the tooltips
	.attr("class", "tooltip") // apply the 'tooltip' class
	.style("opacity", 0);


	var svg = d3.select("body").append("svg")
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	data = [];
	total_deputati = 0;
	total_age = 0;

	d3.json("http://wafi.iit.cnr.it/webvis/tmp/dati_camera/members_for_republic.json", function(error, json) {
	if (error) return console.warn(error);
	json.results.bindings.forEach(function(d){
	year_legislature = +d.startDate.substring(0,4);
	//console.log(year_legislature);
	deputati = d.deputati.length;
	total_deputati += deputati;
	//console.log(total_deputati);
	age = 0;
	d.deputati.forEach(function(f){
	if (f.dataNascita){
	data_nascita = f.dataNascita.value.substring(0,4);
	single_age = year_legislature-data_nascita;
	age += single_age;
	}
	});
	total_age += age/deputati;
	obj = {"age" : age/deputati, "date" : [{"date":d.startDate.substring(0,4),"legislature":d.repubblica}]};
	data.push(obj);
	});

	color.domain(["age"]);

	var ages = color.domain().map(function(name) {
	return {
	name: name,
	values: data.map(function(d) {
	return {date: d.date[0].date, age: +d[name]};
	})
	};

	});

	var ages_total = color.domain().map(function(name) {
	return {
	name: name,
	values: data.map(function(d) {
	return {date: d.date[0].date, age: total_age/17};
	})
	};
	});

	x.domain(d3.extent(data, function(d) { return d.date[0].date; }));

	y.domain([
	d3.min(ages, function(c) { return d3.min(c.values, function(v) { return v.age; }); }),
	d3.max(ages, function(c) { return d3.max(c.values, function(v) { return v.age; }); })
	]);

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)
	.append("text")
	.attr("y", 6)
	.attr("dy", ".71em")
	.style("text-anchor", "end")
	.text("N°");

	svg.append("text")
	.attr("x", (width / 2))
	.attr("y", 0 - (margin.top / 4))
	.attr("text-anchor", "middle")
	.style("font-size", "16px")
	.style("text-decoration", "underline")
	.text("Italian Parliament Average Age per legislature");

	var age = svg.selectAll(".gender")
	.data(ages)
	.enter().append("g")
	.attr("class", "gender");

	age.append("path")
	.attr("class", "line")
	.attr("d", function(d) { return line(d.values); })
	.style("stroke", function(d) { return color(age); });

	var age_total = svg.selectAll(".gender_total")
	.data(ages_total)
	.enter().append("g")
	.attr("class", "gender_total");

	age_total.append("path")
	.attr("class", "line")
	.attr("d", function(d) { return line(d.values); })
	.style("stroke", function(d) { return color(age); });

	age.append("text")
	.datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
	.attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + (y(d.value.age)+10) + ")"; })
	.attr("x", 3)
	.attr("dy", ".35em")
	.text(function(d) { return d.name; });

	svg.selectAll(".male_dot")
	.data(data)
	.enter().append("circle")
	.attr("r", 5)
	.attr("stroke", color(age))
	.attr("cx", function(d,i) { return x(d.date[0].date); })
	.attr("cy", function(d,i) { return y(d.age); })
	.attr("class", "male_dot")
	.on("mouseover", function(d) {
	div.transition()
	.duration(200)
	.style("opacity", 0.9);
	div.html('<b>Average Age:</b> ' + d3.format(".2f")(d.age) + ' <br><b>Year:</b> ' + d.date[0].date + ' <br><b>Legislature:</b> ' + d.date[0].legislature)
	.style("left", (d3.event.pageX) + "px")
	.style("top", (d3.event.pageY + 5) + "px");
	})
	.on("mouseout", function(d) {
	div.transition()
	.duration(500)
	.style("opacity", 0);
	});


	});