D3 Examples

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
   .province {
        fill: #000;
        stroke: #fff;
        stroke-width: 1px;
    }
    .province:hover {
        fill: #666;
    }
    .hidden {
        display: none;
    }
    div.tooltip {
        color: #222;
        background-color: #fff;
        padding: .5em;
        text-shadow: #f5f5f5 0 1px 0;
        border-radius: 2px;
        opacity: 0.9;
        position: absolute;
    }
​
​
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
        var width = 700,
          height = 580;
    
     var tooltip = d3.select('body').append('div')
            .attr('class', 'hidden tooltip');
​
        var svg = d3.select( "body" )
        .append( "svg" )
          .attr( "width", width )
          .attr( "height", height );
​
    var projection = d3.geoConicConformal().center([2.454071, 46.279229]).scale(2800); // d3.geo.albersUsa avec d3 version 3
                
​
    var path = d3.geoPath() // d3.geo.path avec d3 version 3
                 .projection(projection);
    
    
    
    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 g = svg.append( "g" ); 
    
     d3.csv("GrippeFrance2014.csv", function(data){
 //Set input domain for color scale
 color.domain([0,3000 ]);
       
console.log('HEREEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE')
console.log(d3.min(data, function(d) { return +d.somme2014; }))
console.log( "d3.max(data, function(d) { return d.somme2014;" )
console.log( d3.max(data, function(d) { return +d.somme2014; }))
 
var tooltip = d3.select('body').append('div')
            .attr('class', 'hidden tooltip');
​
    d3.json("https://lyondataviz.github.io/teaching/lyon1-m2/2017/data/regions.json", function(json) {
          //On fusionne les donnees avec le GeoJSON
        //console.log(data.length)
            for (var i = 0; i < data.length; i++) {
            //Nom de l'etat
            var dataValue1  = 0;
            var dataState = data[i].region;
                    //var region = function(d) {return d.nom};
            
            //console.log("data[i].length")
            
            for (var m in data[i]) {
              //console.log(data[i][m])
              var reg = RegExp("^[0-9]{2}/09/14$");
              
               
              // console.log(m.match(reg)); 
              //console.log(data[m.match(reg)][m]); 
              //console.log(data[i][m].value); 
              if(m.match(reg))
              {
              dataValue1 += +data[i][m]; 
                //console.log(dataValue1)
                //console.log("suma")
                //console.log(data[i][m])
              }
              //console.log("suma")
             
              
              
            }
           
            var dataValue = parseFloat(data[i].somme2014);
                
            //Recherche de l'etat dans le GeoJSON
​
            for (var j = 0; j < json.features.length; j++) {
             
               // console.log("dataState")
               // console.log(dataState)
               // console.log("dataValue")
                //console.log(region)
                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;
                    
//                      console.log(json.features[j].properties.nom)
                        
​
​
                    //Pas besoin de chercher plus loin
                    break;
                }
            }   
           
        }
        g.selectAll("path")
            .data(json.features)
            .enter()
            .append("path")
            .attr("d", path)
                
        
             var provinces = svg.selectAll('.province')
                .data( json.features).enter();
            provinces.append('path')
                .attr('class', function(d) {
                          
//                  console.log("holaAAAA")
                
//                  console.log(d.properties.nom)
​
                    return 'province ' + d.properties.nom;
                })
                .attr('d', path)
                .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() {
                    console.log("chau ")
                    tooltip.classed('hidden', true);
                })
     
            .style("fill", function(d) {
                //on prend la valeur recupere plus haut
                var value = d.properties.value;
                                
​
                if (value) {
                    console.log(color(value))
                    return color(value);
                } else { 
                    // si pas de valeur alors en gris
                    return "#ccc";
                }
            });
                 
                
      
      
      
      
      
        });
});  
    
     </script>
</body>
 
    
    
    
    
    
​
    