TP noté DataViz Final

forked from aurelient's block:

forked from Aurelink's block:

forked from Aurelink's block: TP noté DataViz

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <script src="https://d3js.org/queue.v1.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>
	<div>
  	<input id="slider" type="range" value="1" min="1" max="100" step="1" />
  	<span id="week">week</span>
	</div>
  <script>
    
		var width = 850,
  		  height = 580;

var svg = d3.select( "body" )
  		.append( "svg" )
		  .attr( "width", width )
		  .attr( "height", height );
    
    // On rajoute un groupe englobant toute la visualisation pour plus tard
    var g = svg.append( "g" );

var projection = d3.geo.conicConformal()
    			.translate([width/2, height/2])
    			.center([2.454071, 46.279229]).scale(3000);
   	
    // On definit une echelle de couleur
   	var color = d3.scale.quantize()  
         .range(["rgb(237,248,233)",
                 
                 "rgb(211,238,205)",
                 "rgb(186,228,179)",
                  
                 "rgb(151,228,148)",
         				 "rgb(116,196,118)",
                 
         				 "rgb(83,178,101)",
                 "rgb(49,163,84)",
                 
                 "rgb(24,127,64)",
                 "rgb(0,109,44)"],
                
                 "rgb(0,0,0)");

}
      } 
      regionJson=francejson;
    	drawMap(francejson, 1);
     };
    
    
    d3.select("#slider").on("input", function() {
     	d3.select('#week').html(weeksArray[this.value-1]);
			updateViz(+this.value);
		});
     function updateViz(value) {
      drawMap(regionJson, value);
    }

function drawMap(json, currentWeek) {
      
  			carte = svg.selectAll("path")
    				.data(json.features)

// code en cas de mise a jour de la carte / de changement de semaine
  			carte
    				.attr("class", "update")
    				.style("fill", function(d) {
      					if(d.properties.value){
                var value = d.properties.value[currentWeek];}

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);
                    });
          
         var valueTemp;
        	try {
        		valueTemp = d.properties.value[currentWeek];
          }catch(err){
            valueTemp = "Non-renseigné";
          }
          if(valueTemp==""){valueTemp = "Non-renseigné";}
                    tooltip.classed('hidden', false)
                        .attr('style', 'left:' + (mouse[0] + 15) +
                                'px; top:' + (mouse[1] - 35) + 'px')
                        .html(d.properties.nom + " : " +valueTemp);
            })
            .on('mouseout', function() {
                    tooltip.classed('hidden', true);
            })

// code pour la creation de la carte quand les donnees sont chargees la 1e fois.
  			carte.enter()
        	.append("path")
            .attr("d", path)
            .attr('stroke',"#000000")

.style("fill", function(d) {
      					if(d.properties.value){
                var value = d.properties.value[currentWeek];}
                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);
                    });
          var valueTemp;
        	try {
        		valueTemp = d.properties.value[currentWeek];
          }catch(err){
            valueTemp = "Non-renseigné";
          }
          if(valueTemp==""){valueTemp = "Non-renseigné";}
          
                    tooltip.classed('hidden', false)
                        .attr('style', 'left:' + (mouse[0] + 15) +
                                'px; top:' + (mouse[1] - 35) + 'px')
                        .html(d.properties.nom + " : " + valueTemp);
            })
            .on('mouseout', function() {
                    tooltip.classed('hidden', true);
            })
        
        //////////////legend////////////////
        var colorData = color.domain();
      	var pas=0;
          pas=(colorData[1]-colorData[0])/8;
      	var temp=colorData.pop();
      	for(i=0;i<7;i++){
          colorData.push(parseInt(colorData[0]+((i+1)*pas)));
        }
      	colorData.push(temp);
  var legend = svg.selectAll(".legend")
      .data(colorData)
    .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

// draw legend colored rectangles
  legend.append("rect")
      .attr("x", width - 145)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", color);

// draw legend text
  legend.append("text")
      .attr("x", width - 125)
      .attr("y", 9)
      .attr("dy", ".35em")
      .style("text-anchor", "start")
      .text(function(d) { return ("nb infecté >= " + d);})
		}
  </script>
</body>

Modified http://d3js.org/queue.v1.min.js to a secure url

https://d3js.org/d3.v3.min.js

https://d3js.org/queue.v1.min.js