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HTML 

              
                <html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Oui</title>
</head>
<body>
 </body>
</html>
!

CSS 

              
                 body {
            font: 10px sans-serif;
        }
        
        .axis path,
        .axis line {
            fill: none;
            stroke: #000;
            shape-rendering: crispEdges;
        }
        
        .axis text {
            font-family: Lato;
            font-size: 13px;
            fill: black;
        }
        
        .grid path,
        .grid line {
            fill: none;
            stroke: rgba(0, 0, 0, 0.25);
            shape-rendering: crispEdges;
        }
        
        .area {
            fill: darkorange;
            stroke: rgba(0, 0, 0, 1);
        }
        
        .marker.client .marker-bg, .marker.client path {fill: rgba(255, 127, 0, 0.8); stroke: rgba(255, 127, 0, 0.8); stroke-width: 3;}
        
        .marker.server .marker-bg, .marker.server path { fill: rgba(0, 153, 51, 0.8);stroke: rgba(0, 153, 51, 0.8);stroke-width: 3;}
        
        .marker path { fill: none;}
        
        .legend text, .marker text { fill: black;font-weight: bold;}
        
        .marker text {text-anchor: middle;}
        
        .overlay {
          fill: none;
          pointer-events: all;
        }

        .focus circle {
          fill: none;
          stroke: steelblue;
        }
!

JS 

              
                 
        function profile(data) {
            var margin = {
                    top: 20
                    , right: 20
                    , bottom: 60
                    , left: 50
                }
                , width = 960 - margin.left - margin.right
                , height = 500 - margin.top - margin.bottom
                , innerwidth = width - margin.left - margin.right
                , innerheight = height - margin.top - margin.bottom;
            
             var bisectDist = d3.bisector(function(d) { return d.distance; }).left;
            
            var x = d3.scaleLinear().range([0, width]);
            
            var y = d3.scaleLinear().range([height, 0]);
            
            var xAxis = d3.axisBottom().scale(x);
            
            var yAxis = d3.axisLeft().scale(y);
            
            
            var area = d3.area().x(function (d) {
                return x(d.distance);
            }).y0(height).y1(function (d) {
                return y(d.altitude);
            })
            
            
            var svg = d3.select("body").append("svg")
            .attr("width", width + margin.left + margin.right)
            .attr("height", height + margin.top + margin.bottom)
            .append("g")
            .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

          
             d3.json('data.json', function (error, rawData) {
              if (error) {
                console.error(error);
                return;
              }

              var data = rawData.map(function (d) {
                return {
                  altitude: d.a,
                  distance: d.d
                };
              });
            
//             data.sort(function(a, b) {
//                return a.distance - b.distance;
//                });
            
            
            x.domain(d3.extent(data, function (d) {
                return d.distance;
            }));
            
            y.domain([0, d3.max(data, function (d) {
                return d.altitude;
            })]);
            
            var x_grid = d3.axisBottom().scale(x).tickSize(-height).tickFormat("");
            
            var y_grid = d3.axisLeft().scale(y).tickSize(-width).tickFormat("");
            
            
            svg.append('svg:path')
                .datum(data)
                .attr("class", "area")
                .attr("d", area)
            

            svg.append("svg:g")
                .attr("class", "x axis")
                .attr("transform", "translate(0," + height + ")")
                .call(xAxis)
                .append("text")
                .attr("transform", "translate(0," + margin.top * 2 + ")")
                .attr("x", width - (margin.right + margin.left))
                .text("Distance (km)")
            
            
            svg.append("svg:g")
                .attr("class", "y axis")
                .call(yAxis)
                .append("text")
                .attr("transform", "translate(70,0)")
                .attr("transform", "rotate(-90)")
                .attr("y", -45).attr("dy", ".71em")
                .style("text-anchor", "end")
                .text("Altitude (m)")
            
            
            
            svg.append("g")
                .attr("class", "x grid")
                .attr("transform", "translate(0," + height + ")")
                .call(x_grid);
            
            
            svg.append("g")
                .attr("class", "y grid")
                .call(y_grid);


            var focus = svg.append("g")
              .attr("class", "focus")
              .style("display", "none");

          focus.append("circle")
              .attr("r", 4.5);

          focus.append("text")
              .attr("x", 9)
              .attr("dy", ".35em");

          svg.append("rect")
              .attr("class", "overlay")
              .attr("width", width)
              .attr("height", height)
              .on("mouseover", function() { focus.style("display", null); })
              .on("mouseout", function() { focus.style("display", "none"); })
              .on("mousemove", mousemove);

       
          function mousemove() {
            var x0 = x.invert(d3.mouse(this)[0]),
                i = bisectDist(data, x0, 1),
                d0 = data[i - 1],
                d1 = data[i],
                d = x0 - d0.distance > d1.distance - x0 ? d1 : d0;
            focus.attr("transform", "translate(" + x(d.distance) + "," + y(d.altitude) + ")");
            focus.select("text").text(d.altitude);
          }
            
            
            
      var markerjson=[
  {"id": "1","name": "Depart - Vielle-Aure","type": "CP","description": "Départ","icon": "../item_icons/iconCust/map-marker-checkpoint.svg","distance": "1488","altitude": "145"},
  {"id": "2","name": "CP1 - Col de Portet","type": "CP","description": "1er CP","icon": "../item_icons/iconCust/map-marker-checkpoint.svg","distance": "1496","altitude": "37"},
  {"id": "3","name": "CP2 - Artigues","type": "CP","description": "2ème CP","icon": "../item_icons/iconCust/map-marker-checkpoint.svg","distance": "1504","altitude": "145"},
  {"id": "4","name": "CP3 - Col De Sencours","type": "CP","description": "3ème CP","icon": "../item_icons/iconCust/map-marker-checkpoint.svg","distance": "1512","altitude": "137"
  },{"id": "5","name": "CP4 - Hautacam","type": "CP","description": "4ème CP","icon": "../item_icons/iconCust/map-marker-checkpoint.svg","distance": "1521","altitude": "45"
  }
];
   d3.json('markersjson', function (error, markerData) {
    if (error) {
      console.error(error);
      return;
    }

    var markers = markerData.map(function (marker) {
      return {
        id: marker.id,
        name: marker.name,
        type: marker.type,
        description: marker.description,
        icon: marker.icon,
        distance: marker.distance,
      };
    });
      

          markers.forEach(function (marker, i) {
    setTimeout(function () {
        setItem(marker, data, svg, innerheight, x, y);
    }, 1000 + 500*i);
  });
 
      
      
  });
});
           
        }
        
function setItem (marker, data, svg, innerheight, x, y) {
            altitude = getAltitude(data,marker);
             var radius = 20,
              xPos = x(marker.distance) - radius - 3,
              yPosStart = innerheight - radius - 3,
            yPosEnd = y(altitude) - radius *2;
              

          var markerG = svg.append('g')
            .attr('class', 'marker '+marker.type.toLowerCase())
            .attr('transform', 'translate(' + xPos + ', ' + yPosStart + ')')
            .attr('opacity', 0);

          markerG.transition()
            .duration(1000)
            .attr('transform', 'translate(' + xPos + ', ' + yPosEnd + ')')
            .attr('opacity', 1);
            
        markerG.append("svg:image")
            .attr('class', 'marker-bg')
            .attr("xlink:href", "cp-x_15_31.png")
            .attr("x", "2")
            .attr("width", "40")
            .attr("height", "40");
    
          markerG.append('text')
            .attr('x', radius)
            .attr('y', radius*0.9)

          markerG.append('text')
            .attr('x', radius)
            .attr('y', radius*1.5)
            .attr("transform", "translate(0,15)")
            .text(marker.name);
}
    


function getAltitude(data, marker){
    var i=0;
    while(i < data.length){
        if(data[i].distance == marker.distance){
            return data[i].altitude;
        }else{
            if (i<data.length){
                if((data[i].distance < marker.distance) && (marker.distance < data[i+1].distance)){
                    return ((data[i].altitude + data[i+1].altitude)/2)
                }
            }else{
                if((data[i-1].distance < marker.distance) && (marker.distance < data[i].distance)){
                    return ((data[i-1].altitude + data[i].altitude)/2)
                }
            }
        }
        i++;
    }
}
function removeItem (marker, svg, innerheight, x) {
    markerG.clear;
}
        var profilejson = [{"d": 1488,"a": 145}, {"d": 1489, "a": 132}, {"d": 1490, "a": 70}, {"d": 1491, "a": 115}, {"d": 1492, "a": 44}, {"d": 1493, "a": 117}, {"d": 1494, "a": 9}, {"d": 1495, "a": 64}, {"d": 1496, "a": 37}, {"d": 1497, "a": 145}, {"d": 1498, "a": 14}, {"d": 1499, "a": 86}, {"d": 1500, "a": 119}, {"d": 1501, "a": 200}, {"d": 1502, "a": 23}, {"d": 1503, "a": 85}, {"d": 1504, "a": 145}, {"d": 1505, "a": 49},  {"d": 1506, "a": 145}, {"d": 1507, "a": 58}, {th}, {"d": 1509, "a": 124}, {"d": 1510, "a": 69}, {"d": 1511, "a": 14}, {"d": 1512, "a": 137}, {"d": 1513, "a": 45}, {"d": 1514, "a": 114}, {"d": 1515, "a": 186}, {"d": 1516, "a": 219}, {"d": 1517, "a": 199}, {"d": 1518, "a": 223}, {"d": 1519, "a": 28}, {"d": 1520, "a": 185}, {"d": 1521, "a": 45}, {"d": 1522, "a": 63},  {"d": 1523, "a": 18}, {"d": 1524, "a": 144}, {"d": 1525, "a": 17}, {"d": 1526, "a": 99}, {"d": 1527, "a": 214}, {"d": 1528, "a": 237}, {"d": 1530, "a": 194}, {"d": 1531, "a": 186}, {"d": 1532, "a": 19}, {"d": 1533, "a": 200}, {"d": 1534, "a": 23}, {"d": 1535, "a": 185}, {"d": 1536, "a": 45}, {"d": 1537, "a": 249},  {"d": 1538, "a": 145}, {"d": 1539, "a": 58}, {"d": 1550, "a": 158}];
        
        $.ajax({
            url: 'profilejson'
            , method: 'GET'
            , success: function (data) {
                console.log("data =", data);
                profile(data);
            }
            , error: function (data) {
                console.log("err" + data)
            }
});
!
999px

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