Old school D3 from simpler times

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mcgovemc

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genome browser

Genome browser for phamerator.org

forked from scresawn's block: genome browser

forked from diepvf's block: genome browser

forked from anonymous's block: genome browser

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>

</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see!
    var genomelength = 7800;
    
    var tickMarks = {thousand: [], fivehundred: [], onehundred: []};
    
		var genome_positions = [];
		for (var i = 1; i <= genomelength; i++) {
    	genome_positions.push(i);
		}
    
    genome_positions.forEach(function(currentValue, index, myArray){
      if (currentValue % 1000 === 0) {
        tickMarks.thousand.push(currentValue);
      }
      else if (currentValue % 500 === 0) {
        tickMarks.fivehundred.push(currentValue);

}
      else if (currentValue % 100 === 0) {
        tickMarks.onehundred.push(currentValue);
      }
    });    
    var svg = d3.select("body").append("svg").attr({height: 500,width: genomelength/10});
    svg.append("g")
      .append("rect")
      .attr({x: 0, y: 100, width: genomelength/10, height: 30})
    	.style({"stroke-width": "2px", "fill": "white", "stroke": "black"});
    
    d3.json("genes.json.txt", function(error, json) {
		  if (error) return console.warn(error);
			var rects = svg.selectAll(".genes")
  	  	.data(json)
    	  .enter()
      	.append("rect");

var rectAttributes = rects
  	    .attr("x", function (d) { return d.start/10; })
    	  .attr("y", function (d) { return 100; })
      	.attr("height", function(d) { return 0;})
      	.attr("width", function (d) { return (d.stop-d.start)/10; })
      
        .attr("fill", function(d) {
          if (d.direction === "reverse") {return "red"}
            else if (d.direction === "forward") {return "green"}
        else {return "black"}})
       	.style({"stroke":"black", "stroke-width": "2px"})
      
        .transition().delay(3000).duration(1000)
     	  .attr("y", function (d) {
             
              if (d.direction === "forward")
              {return 70}
        else if (d.direction === "reverse") {return 130} 
        })
        .attr("height", function (d) {return 30;});
      
    })
      d3.json("genes.json.txt", function(error, json) {
		  if (error) return console.warn(error);
			var text = svg.selectAll(".genes")
  	  	.data(json)
    	  .enter()
      	.append("text");
                
        
			var textAttributes = text
  	    .text(function(d) {return d.name;})
      	.attr("x", function (d) { return ((d.start+d.stop)/2/10);})                    
    	  .attr("y", function (d) { return 100; })
      	.attr("width", function (d) { return (d.stop-d.start)/10; })
   		
     
      });
   
    var group = svg.selectAll(".a")
      .data(tickMarks.thousand)
      .enter()
	    .append("g");
    group.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 100, width: "1px", height: 30})
			.transition().duration(3000)
	    .attr("transform", function (d) { return "translate(" + d/10 + ",0)"; });
		var group2 = svg.selectAll(".b")
      .data(tickMarks.fivehundred)
      .enter()
	    .append("g");
    group2.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 100, width: "1px", height: 15})
     	.transition().duration(2000)
      .attr("transform", function (d) { return "translate(" + d/10 + ",0)"; });
		var group3 = svg.selectAll(".c")
      .data(tickMarks.onehundred)
      .enter()
	    .append("g");
    group3.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 115, width: "1px", height: 15})
    	.transition().duration(1000)
      .attr("transform", function (d) { return "translate(" + d/10 + ",0)"; });

</script>
</body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js