D3 Examples -

Old school D3 from simpler times

cclzxl

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forked from aurelient's block:

forked from cclzxl's block:

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.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;
    }
  </style>
</head>

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

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

var projection =  d3.geo.conicConformal().center([2.454071, 46.279229]).scale(3000);
    
    var path = d3.geo.path()
                 .projection(projection);
    /*tooltip*/
     var tooltip = d3.select('body').append('div')
            .attr('class', 'hidden tooltip');
    
    var color = d3.scale.quantize()
   .range(["rgb(237,248,233)", "rgb(186,228,179)",
   "rgb(116,196,118)", "rgb(49,163,84)", "rgb(0,109,44)"]);
      d3.csv("GrippeFrance2014.csv", function(data) {
        for (var i = 0; i < data.length; i++){
        color.domain([50,250]);
      }
      d3.json("regions.geojson.txt", function(json) {
        for (var i = 0; i < data.length; i++) {
           //Nom de l'etat
          var dataState = data[i].region;

//Valeur associee a l'etat
           var dataValue = parseFloat(data[i]["02/11/14"]) + parseFloat(data[i]["09/11/14"]) + parseFloat(data[i]["16/11/14"]) + parseFloat(data[i]["23/11/14"]) + parseFloat(data[i]["30/11/14"]);
           //Recherche de l'etat dans le GeoJSON
           for (var j = 0; j < json.features.length; j++) {
               var jsonState = json.features[j].properties.nom;
               if (dataState == jsonState) {
               //On injecte la valeur de l'Etat dans le json
               json.features[j].properties.value = dataValue;
               //Pas besoin de chercher plus loin
               break;
           		}
 					 }
 			}

svg.selectAll("path")
      .data(json.features)
 			.enter()
      .append("path")
 			.attr("d", path)
      .style("fill", function(d) {
             var value = d.properties.value;

if (value) {
             return color(value);
             } else {
             // si pas de valeur alors en gris
             return "#ccc";
             }
      })
       .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.v3.min.js