Données spatiales

forked from aurelient's block:

forked from aurelient's block: Données spatiales

forked from cgaud's block: Données spatiales

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    div.tooltip {
        color: #222;
        background-color: #fff;
        padding: .5em;
        text-shadow: #f5f5f5 0 1px 0;
        border-radius: 2px;
        opacity: 0.9;
        position: absolute;
    }
    .hidden {
        display: none;
    }
  </style>
</head>

<body>
  <script>
    var width = 700,
        height = 580;

var svg = d3.select( "body" )
      .append( "svg" )
      .attr( "width", width )
      .attr( "height", height );

var g = svg.append( "g" ); 
    
    var tooltip = d3.select('body').append('div')
            .attr('class', 'hidden tooltip');
    
    var projection = d3.geoConicConformal().center([2.454071, 46.279229]).scale(2800)
          .translate([width/2, height/2])

// On definie une echelle de couleur
    var color = d3.scaleQuantize()  
          .range(["rgb(237,248,233)",
                  "rgb(186,228,179)",
                  "rgb(116,196,118)",
                  "rgb(49,163,84)",
                  "rgb(0,109,44)"]);
    
    var path = d3.geoPath()
        .projection(projection);   
    
    // Chargement des donnees
    d3.csv("GrippeFrance2014.csv", function(data) {
        //Set input domain for color scale
        color.domain([0,350]);
      
        d3.json("regions.json", function(json) {
					var weeksArray = Object.keys(data[0]);
					updateViz(1)
        
          d3.select("#slider").on("input", function() { //slider
            updateViz(+this.value);
          });

.style("fill", function(d) {
                  var value = d.properties.value;
                  if (value) {
                    return color(value);            
                  }else {
                    return "#ccc"; // si pas de valeur alors en gris
                  }
              })
            
              .on('mousemove', function(d) {
                var mouse = d3.mouse(svg.node()).map(function(d) {
                  return parseInt(d);
                });

tooltip.classed('hidden', false)
                  .attr('style', 'left:' + (mouse[0] + 15) +
                    'px; top:' + (mouse[1] - 35) + 'px')
                  .html(d.properties.nom + ": " + d.properties.value);
              })

.on('mouseout', function() {
                tooltip.classed('hidden', true);
              });
            
          }
      });
    });
  </script>
</body>

https://d3js.org/d3.v4.min.js