DataVizTP4

forked from aurelient's block:

<!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; }
    .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;
    }
  </style>
 
</head>

<body>
  <div>
  <input id="slider" type="range" value="1" min="1" max="52" step="1" />
  <span id="week">week</span>
</div>
  <script>
		var width = 700,
  		  height = 580;

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

// Chargement du fond de carte 
    
    var projection = d3.geoConicConformal().center([5.454071, 47.279229]).scale(3000);
        
    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 tooltip = d3.select('body').append('div')
           					.attr('class', 'hidden tooltip');

// 5. Ajout d'un slider temporel
   drawMap(1);
    
   d3.select("#slider").on("input", function() {
						updateViz(+this.value);
	}); 
  
    function updateViz(value) {
		console.log("update " + value);
		d3.select('#week').html(value);
		drawMap(value);  
	};
   
  function drawMap(currentWeek) {
    	d3.csv("GrippeFrance2014.csv", function(data) {
    	
      	color.domain([0, 250]);
        
        d3.json("regions.json", function(json) {

carte.enter()
    .append("path")
    .attr("class", "enter")
    .attr("d", path)
    .style("fill", function(d) {
             		var valueEnter = d.properties.value;
      					//on prend la valeur recuperee plus haut
                if (valueEnter) {
                   return color(valueEnter);
                } 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.v4.min.js