D3 Examples - Genome Browser

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<!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; }
  </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 gene_data = [{"name":"1", "start": 20,"end":100, "direction": "F","y":100, "function": "function_1","fill":"blue"},
                            {"name":"2", "start": 120,"end":200, "direction": "F","y":100, "function": "function_2","fill":"green"},
                            {"name":"3", "start": 220,"end":300, "direction": "R","y":160, "function": "function_3","fill":"red"},
                            {"name":"4", "start": 320,"end":400, "direction": "F","y":100, "function": "function_4","fill":"purple"}]
    
    console.log(gene_data);
    
    svg.selectAll("rect") //selects anything in the svg data file
        .data(gene_data)    //data join... what connects the data to making the pic
        .enter()
        .append("rect")
        .attr("y",function(d) {return d.y;})
        .attr("x", function(d) {return d.start;})
        .attr("d", function(d) {return d.direction;})
        .attr("f", function(d) {return d.function;})
        .attr("width", function(d) {return d.end-d.start;})
        .attr("height", 50)
        .attr("fill", function (d) {return d.fill})
    
        
    
    
    
    
    
    
​
  </script>
</body>
​
    