TP2

forked from romsson's block: simple line chart from dataset

forked from Janjacky's block: TP2

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    .line {
      fill: none;
      stroke: black;
      stroke-width: 1.5px;
    }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)

var width = 800;
    var height = 400;
    
    // Ordinal scale
    var x = d3.scale.ordinal()
        .rangeRoundBands([0, width], .5);

var y = d3.scale.linear()
        .range([height, height - 200]);

var line = d3.svg.line()
        .x(function(d) { return x(d.name); })
        .y(function(d) { return y(d.value); });
    
    var g = svg.append("g")
    	.attr("transform", "translate(10, 0)")
    
   	d3.json("data_noms_stats.json", function(data) {

svg.selectAll("text").data(data).enter()
       .append("text")
        .text(function(d, i) { return "bob"; })
        .attr("y", 420 )
        .attr("x", function(d) { return x(d.name); })
        .style("font-size", 10)
        .style("font-family", "monospace");

g.selectAll(".value").data([data[data.length -1]]).enter()
       .append("text")
        .text(function(d, i) { return displayValue(d.value); })
        .attr("class", "value")
        .attr("y", function(d) { return y(d.value); })
        .attr("x", width - 20)
        .style("font-size", 20)
        .style("font-family", "monospace");
      
      g.selectAll("circle").data(data).enter().append("circle")
        .attr("cx", function(d) {return x(d.name);})
        .attr("cy", function(d) {return y(d.value);})
      	.attr("r", function(d) {return 10;})
      	.style("fill", "#b5b5fc")
      	.on("mouseover", function(d) {
      	d3.select(this).style("fill", "#4e4ef7");
      	g.selectAll("tooltip").data([d]).enter().append("text")
        	.text(function(d) {return d.value;})
        	.attr("id", "tooltip")
        	.attr("x", function(d) {return x(d.name)})
        	.attr("y", function(d) {return y(d.value) - 10})
        
      	g.selectAll("#tooltippath").data([d]).enter().append("line")
        	.attr("id", "tooltippath")
          .attr("class", "line")
        	.attr("d", line)
        	.attr("x1", function(d){return x(d.name)})
          .attr("x2", function(d){return x(d.name)})
          .attr("y1", height)
          .attr("y2", function(d){return y(d.value)})
          .attr("stroke", "black")
        	.style("stroke-dasharray", ("3, 3"));
        	
    		})
    		.on("mouseout", function(d) {
    			d3.select(this).style("fill", "#b5b5fc");
        	g.selectAll("#tooltip").remove();
        	g.selectAll("#tooltippath").remove();
        
       
    	});
      
      
      g.selectAll("path").data([data]).enter().append("path")
        .attr("class", "line")
        .attr("d", line);

});

</script>
</body>

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