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Last active June 19, 2018 11:52
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Small multiple maps with interactive regions in Bilbao school zones
Raw
.block
license: gpl-3.0
height: 950
scrolling: no
border: no
Raw
index.html
<!DOCTYPE html>
<html dir="ltr" lang="es-ES">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Small multiple maps</title>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<link href="https://fonts.googleapis.com/css?family=Dosis" rel="stylesheet">
<style>
html, body {
margin: 0;
padding: 0;
font-family: 'Dosis', sans-serif;
}
#container {
width: 100%;
max-width: 1120px;
margin: 0 auto;
}
#left {
float:left;
clear:left;
height:650px;
}
#maps {
width:960px
}
#pre {
width:960px
}
.map {
margin-top:0px;
border: 4px #FFF solid;
}
path:hover {
stroke-width:2px !important;
stroke:black !important;
cursor:pointer;
}
p {
margin:0 0 4px 0;
font-size:0.8em;
color:grey;
}
#tooltip {
height:10px;
}
.column {
width:250px;
float:left;
text-align:center;
font-size:1.3em;
color:grey;
}
.row {
height:182px;
text-align:right;
font-size:1.3em;
padding:50px 20px 0 0;
}
.column_init {
width:180px;
float:left;
}
h1 {
font-size:1.1em;
font-weight:bold;
}
</style>
</head>
<body>
<div id="container">
<h1>Comparativa redes pública y privada en Bilbao por zonas escolares</h1>
<div id="tooltip"></div>
<div id="pre">
<div class="column_init">
&nbsp;
</div>
<div class="column">
Pública
</div>
<div class="column">
Privada
</div>
<div class="column">
Todas
</div>
</div>
<div id="left" class="column_init">
<p class="row">
Becas material escolar
</p>
<p class="row">
Becas comedor
</p>
<p class="row">
Alumnado extranjero
</p>
</div>
<div id="maps">
</div>
</div>
<script>
// based in https://bost.ocks.org/mike/map/
// define alto y ancho de mapa
var mapWidth = 250;
var mapHeight = 190;
// Escala de color para becas
var color = d3.scaleLinear()
.domain([0, 72])
.range(['#fff','#053874'])
// Escala de color extranjeros
var color2 = d3.scaleLinear()
.domain([0, 38])
.range(['#fff','#053874'])
// Adds tooltip
var tooltip = d3.select("#tooltip")
.append("div")
.attr("class", "tooltip")
// Loads data
d3.json("limites-zonas-escolares-euskadi-con-variables-2014-15_simplify3.json", function(error, euskadi) {
// topojson creado con y simplificado con http://mapshaper.org/
if (error) return console.error(error);
// Variable con todos los datos
var subunits = topojson.feature(euskadi, euskadi.objects.barrios);
// Projection for Euskadi
/*
var projection = d3.geoMercator()
.scale(8000) // zoom level
.center([-2.6,42.97]) // center of map
.translate([mapWidth / 2, mapHeight / 2]);
*/
// Projection for Bilbao
var projection = d3.geoMercator()
.scale(60000) // note change of zoom
.center([-2.9331,43.2521])
.translate([mapWidth / 2, mapHeight / 2]);
var path = d3.geoPath()
.projection(projection);
// Código de small multiple basado en https://gist.github.com/tomgp/9386620
//var mapasdef = ["perc_bec_mat_escolar_pub","perc_bec_mat_escolar_priv","perc_material_m15",
// "perc_bec_comedor_pub","perc_bec_comedor_priv","perc_comedor_m16",
// "perc_alum_ext_publi","perc_alum_ext_priv","perc_alum_ext_todos"]
// Array to list variables to displa in map and dosplay name of variables
var mapasdef = [["Becas material escolar pública","perc_bec_mat_escolar_pub"],["Becas material escolar privada","perc_bec_mat_escolar_priv"],["Becas material escolar todos","perc_material_m15"],["Becas comedor pública","perc_bec_comedor_pub"],["Becas comedor privada","perc_bec_comedor_priv"],["Becas comedor todos ","perc_comedor_m16"],["Alumnado extranjero pública","perc_alum_ext_publi"],["Alumnado extranjero privada","perc_alum_ext_priv"],["Alumnado extranjero todos ","perc_alum_ext_todos"]]
// draw a map for each element of array
var dateJoin = d3.select('#maps').selectAll('div.map')
.data(mapasdef);
// creates divs that will contain the maps
var divs = dateJoin.enter()
.append('div')
.attr('id', function(d){ return 'map_'+d; })
.attr('class','map')
.style('float','left')
.style('width',mapWidth);
// Incluye el nombre de la variable
divs.append('p').text(function(d){ return d[0]; });
divs.select('p').append('span').text(" ")
var zonas = divs.append('svg').attr('width',mapWidth).attr('height',mapHeight);
zonas.each(function(key, i=1){
d3.select(this).selectAll('path')
.data(subunits.features)
.enter().append("path")
.attr("fill", function(d) { return i > 5 ? color2(d.properties[key[1]]) : color(d.properties[key[1]]); })
.attr("d", path)
.attr("stroke", "black")
.attr("stroke-width", "0.3px")
.on("mousemove", showTooltip) // AÑADIR EVENTO SHOW TOOLTIP
.on("mouseout", hideTooltip) // OCULTAR TOOLTIP
.attr('class', function(d) {
return "z" + d.properties.zona_id2
})
.on('mouseenter', function(d, i) { // selects patsh with same class in other maps and changes to wider troke
notify('.z' + d.properties.zona_id2, 'select');
d3.selectAll('.z' + d.properties.zona_id2).attr("stroke-width", "2px");
})
.on('mouseleave', function(d) {
notify('.z' + d.properties.zona_id2, 'unselect');
d3.selectAll('.z' + d.properties.zona_id2).attr("stroke-width", "0.3px");
})
.on('select', function(self) {
var geoData = self.data();
self.node().parentNode.parentNode.getElementsByTagName('span')[0].innerHTML = " <strong>" + geoData[0].properties[key[1]]+ "%</strong>";
})
.on('unselect', function(self) {
self.node().parentNode.parentNode.getElementsByTagName('span')[0].innerHTML = "";
});
// suma una unidad cada vez para ir mostrando las 9 variables especificadas en la matriz mapasdef
i += 1;
});
// Intearctivity from https://blog.webkid.io/multiple-maps-d3/
// Una función usada para "notificar" a los otros path que comparten class con el señalado por el cursor
function notify(selector, eventName) {
d3.selectAll(selector)._groups[0].forEach(function(el, i) {
var shape = d3.select(el);
shape.on(eventName)(shape);
});
}
function showTooltip(d) {
tooltip.html("<strong>" + d.properties.zona + "</strong>").style("opacity", 1)
}
function hideTooltip(d) {
// Hide tooltip
tooltip.style("opacity", 0)
}
});
</script>
</body>
</html>
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