Old school D3 from simpler times

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Darius9

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genome browser (testing)

Genome browser for phamerator.org

forked from scresawn'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>
	var genomelength = 10000;
    
	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("rect")
		.attr({x: 0, y: 100, width: genomelength/10, height: 30})
		.style({"stroke-width": "2px", "fill": "white", "stroke": "black"});
    svg.append("rect")
    .attr({x: 0, y: 330, 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 text = svg.selectAll(".text")
			.data(json)
			.enter()
			.append("text");
      
		var textLabels=text
			.attr("x", function (d) { return ((d.stop+d.start)/10)/2; })
			.attr("y", function (d) { return 90; })
			.attr("y", function (d) {
        if (d.direction==="forward"&& d.name%2!=0) { return 92;} 
				else if (d.direction==="forward" && d.name%2===0){return 62}
				else if (d.direction==="reverse"&& d.name%2 !=0){return 182;}
				else if (d.direction==="reverse"&&d.name%2 ===0){return 152}})
			.text(function (d){return d.name})
			.attr("font-family", "arial")
			.attr("font-size", "20px")
			.attr("text-anchor","middle")
			.attr("fill", "cyan");

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; })
       	.style({"fill": function (d) {
					if (d.direction ==="reverse") {return "purple"} 
					else if (d.direction === "forward"){ return"gold"}},
					"stroke":"black", "stroke-width": "2px"})
				.attr("y", function (d) {
					if (d.direction == "forward") {
					if (d.name % 2 === 0) {
					return 70;}
					else { return 40;}}
					else if (d.direction == "reverse") {
					if (d.name % 2 === 0) {
					return 160;}
					else { return 130; }}})
				.attr("x", function (d) {
					if (d.direction === "forward") {
					return (0 - ((d.stop-d.start)/10)) - 2;}
					else if (d.direction === "reverse") {
					return (genomelength/10) + 2;}})
				.transition().delay(3000).duration(1000)
				.attr("x", function (d) { return d.start/10; })
				.attr("y", function (d) {
					if (d.direction==="forward" && d.name%2 !=0) { return 70;}
					else if (d.direction==="forward" && d.name%2===0){return 40}
					else if (d.direction==="reverse"&&d.name%2 !=0){return 155;}
					else if (d.direction==="reverse"&&d.name%2 ===0){return 130}})
				.attr("height", function (d) {return 30;})
      });
    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)"; });
    group.append("text")
    	.text(function (d){return d/1000})
    	.attr({x: 3, y: 113, width: "1px", height: 30})
    	.attr("transform", function (d) { return "translate(" + d/10 + ",0)"; })
      .attr("font-family", "sans-serif")
      .attr("font-size", "15px")
      .attr("text-anchor","start")
      .attr("fill", "blue"); 
		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)"; })
    		var group = svg.selectAll(".d")
      .data(tickMarks.thousand)
      .enter()
	    .append("g");
    group.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 330, width: "1px", height: 30})
			.transition().duration(3000)
	    .attr("transform", function (d) { return "translate(" + d/10 + ",0)"; });
     group.append("text")
    	.text(function (d){return d/1000})
    	.attr({x: 3, y: 343, width: "1px", height: 30})
    	.attr("transform", function (d) { return "translate(" + d/10 + ",0)"; })
      .attr("font-family", "sans-serif")
      .attr("font-size", "15px")
      .attr("text-anchor","start")
      .attr("fill", "blue");
		var group2 = svg.selectAll(".e")
      .data(tickMarks.fivehundred)
      .enter()
	    .append("g");
    group2.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 330, width: "1px", height: 15})
     	.transition().duration(2000)
      .attr("transform", function (d) { return "translate(" + d/10 + ",0)"; });
		var group3 = svg.selectAll(".f")
      .data(tickMarks.onehundred)
      .enter()
	    .append("g");
    group3.append("rect")
     	.style({"fill": "black"})
      .attr({x: 0, y: 345, 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