TP3 Data viz Joymangul

forked from romsson's block: TP3 Data viz

forked from JoymangulJensen's block: TP3 Data viz

forked from JoymangulJensen's block: TP3 Data viz 2

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
   
    body { 
      margin-top:0;
      position:fixed;
      top:50px;
      right:0;
      bottom:0;
      left:0; 
    }
    
		svg {
  		font: 10px sans-serif;
		}

.line {
      fill: none;
      stroke: black;
      stroke-width: 2px;
    }
  </style>
</head>

<body>
  <script>
  
  var margin = {top: 2, right: 30, bottom: 0, left: 100},
        width = 760 - margin.left - margin.right,
        height = 400 - margin.top - margin.bottom;
	    
  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 + ")");

var parseDate = d3.timeParse("%b %Y");
  var duration = 2000;

var x = d3.scaleTime().range([0, width]),
    y = d3.scaleLinear().range([height, 0]),
    c = d3.scaleOrdinal(d3.schemeCategory10);
    
  var stack = d3.stack();

function stackMin(layer) {
      return d3.min(layer, function(d) { return d[0]; });
    }

d3.text('dataset.csv', function(error, raw) {

y.domain([0, d3.max(symbols.map(function(d) { return d.maxCumuPrice; }))])
    
    var layer = svg.selectAll(".layer")
    .data((symbols))
    .enter().append("g")
      .attr("class", "layer")
     .style("fill", function(d) { return c(d.key); });
    
  
  	  var area = d3.area()
    .x(function(d) { return x(d.date); })
  	.y0(function(d) { return y(d.cumuPrice); })
    .y1(function(d) { return y(d.beforePrice);});

layer.append("path")
      .attr("class", "area")
  .style("stroke", function(d) { return c(d.key); })
      .attr("d", function(d) {  return area(d.values); });

layer
    .append("text")
      .attr("transform", function(d) { d = d.values[d.values.length - 1]; return "translate(" + (width +30) + "," + y(d.price / 2 + d.beforePrice) + ")"; })
      .style("font", "10px sans-serif")
      .style("text-anchor", "end")
      .text(function(d) { return d.key; });

svg.append("g")
        .attr("class", "axis axis--x")
        .attr("transform", "translate(0," + height + ")")
        .call(d3.axisBottom(x));
      
      setTimeout(streamArea, duration);
    }

function streamArea() {
         svg.selectAll("*").remove();
        
        function bumps(indice) {
      var map = [];
      var nbValues = symbols[0].values.length;
      for(var i = 0; i < nbValues; ++i){
        map[i] = parseInt(symbols[indice].values[i].price);
      }
      return map;
    }

var numberOfSymbols = symbols.length, // number of layers
          m = symbols[0].values.length; // number of samples per layer

var stack = d3.stack().keys(d3.range(numberOfSymbols))
      					.offset(d3.stackOffsetWiggle),
      layers = stack(d3.transpose(d3.range(numberOfSymbols)
                                      .map(function(indice) { return bumps(indice); })));
       var x = d3.scaleLinear()
          .domain([0, m - 1])
          .range([0, width]);

var y = d3.scaleLinear()
          .domain([d3.min(layers, stackMin), d3.max(layers, stackMax)])
          .range([height, 0]);

var z = d3.interpolateCool;

var area = d3.area()
      		.curve(d3.curveBasis)
          .x(function(d, i) { return x(i); })
          .y0(function(d) { return y(d[0]); })
          .y1(function(d) { return y(d[1]); });

svg.selectAll("path")
        .data(layers)
        .enter().append("path")
        .attr("d", area)
        .attr("fill", function(d) { return c(d.key) });
      
      svg.selectAll()
          .data(symbols)
          .enter().append("text")
          .attr("x", width + 30)
          .attr("y", function(d) { return height - d.values[d.values.length - 1].cumuPrice/2 })
          .style("text-anchor", "end")
          .text(function(d) { return d.key }); 
        setTimeout(overlayArea, duration);
      }
    
    
    function overlayArea() {
      
      svg.selectAll("*").remove();
      
      y.domain([0, d3.max(symbols.map(function(d) { return d.maxCumuPrice; }))])
      var area = d3.area()
    .x(function(d) { return x(d.date); })
  	.y0(function(d) { return height; })
    .y1(function(d) { return y(d.price);});
      
    
    var layer = svg.selectAll(".layer")
    .data((symbols))
    .enter().append("g")
      .attr("class", "layer")
     .style("fill", function(d) { return c(d.key); });

layer.append("path")
      .attr("class", "area")
      .style("stroke", function(d) { return c(d.key); })
      .style("fill-opacity", .5)
      .attr("d", function(d) {  return area(d.values); });

layer
    .append("text")
      .attr("transform", function(d) { d = d.values[d.values.length - 1]; return "translate(" + (width + 30) + "," + y(d.price) + ")"; })
      .style("font", "10px sans-serif")
      .style("text-anchor", "end")
      .text(function(d) { return d.key; });

svg.append("g")
        .attr("class", "axis axis--x")
        .attr("transform", "translate(0," + height + ")")
        .call(d3.axisBottom(x));
      
      setTimeout(stackArea, duration);

}

});
    
  </script>
</body>

https://d3js.org/d3.v4.min.js