genome browser

<!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)

for (i in numbers) {
  if (i % 1000 == 0) {
  	ruler_1000.push(numbers[i]);
  }
  else if (i % 500 == 0){
      	ruler_500.push(numbers[i]);
  }
  else if (i % 100 == 0){
      	ruler_100.push(numbers[i]);
  }
}

//console.log("1000:", ruler_1000);
//console.log("500:", ruler_500);
//console.log("100:", ruler_100);
    
svg.selectAll(".rect1000")
    	.data(ruler_1000)
    	.enter()
			.append("rect")
			.classed("rect1000", true)
			.attr("fill", "black")
			.attr("width", 3)
			.attr("height", 50)
			.attr("y", 150)
			.attr("x", function(d) { return d/10 });
    
svg.selectAll(".rect500")
    	.data(ruler_500)
    	.enter()
			.append("rect")
			.classed("rect500", true)
			.attr("fill", "black")
			.attr("width", 3)
			.attr("height", 20)
			.attr("y", 150)
			.attr("x", function(d) { return d/10 });
    
svg.selectAll(".rect100")
    	.data(ruler_100)
    	.enter()
			.append("rect")
			.classed("rect100", true)
			.attr("fill", "black")
			.attr("width", 3)
			.attr("height", 20)
			.attr("y", 180)
			.attr("x", function(d) { return d/10 });

svgEnter = svg.selectAll(".gene")
    	.data(gene_data)
    	.enter();
    
    svgEnter.append("rect")
    	.classed("gene", true)
    	.attr("y", function (d) { 
      	if ( d.direction == "F") { 
          return 100;
        }
      	else { 
        	return 200; 
        }
    	})
    	.attr("x", function (d) { 
      if ( d.direction == "F") { 
          return 0 - (d.end - d.start);
        }
      	else { 
        	return 960; 
        }
    	})
			.attr("width", function(d) { return d.end - d.start; })
    	.attr("height", 50)
    	.attr("stroke-width", 1)
    	.attr("stroke", "black")
    	.attr("fill", function (d) { 
      	if ( d.direction == "F") { 
          return "green";
        }
      	else { 
        	return "red"; 
        }
    	})
    	
    	.transition()
    	.duration(1500)
    	.delay(function(d, i) { return i * 1000; })
			.attr("x", function (d) { return d.start; })
    
    svgEnter.append("text")
    	.text(function(d) { return d.name })
    	.attr("text-anchor", "middle")
    	.attr("alignment-baseline", "middle")
      .attr("font-size", 26)
    	.attr("opacity", 0)
      .attr("font-family", "Times")
        	.attr("y", function (d) { 
      	if ( d.direction == "F") { 
          return 100 + 25;
        }
      	else { 
        	return 200 + 25; 
        }
    	})
    	.attr("x", function (d) { 
          return (d.start + d.end)/2;
    	})
    	.transition()
    	.delay(250 + (gene_data.length * 1000))
    	.duration(500)
    	.attr("opacity", 1)
    ;
  </script>
</body>

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