bar chart 2

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forked from scresawn's block: bar chart 1

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.title {
  font: 20px sans-serif;
  fill: black;
}

.axis {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.x.axis path {
  /*display: none;*/
}

</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 80, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");
    //.ticks(10, "%");

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

d3.csv("data.csv", type, function(error, data) {
  if (error) throw error;
	data = data.filter(function(row) {
        return row['TimePoint'] == '5';
    })
  x.domain(data.map(function(d) { return d.GeneNumber; }));
  y.domain([0, d3.max(data, function(d) { return d.Expression; })]);

svg.append("text")
  	.attr("class", "title")
  	.attr("text-anchor", "middle")
    .attr("x", width/2)
    .attr("y", 26)
    .attr("shape-rendering", "crispEdges")
    .text("Kampy Gene Number versus Expression (5 minutes post-infection)");
  
  x_group = svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);
  
  x_group
    .selectAll("text")
  	.attr("transform", function (d) {return "rotate(-60," + 0 + "," + 14 +  ")"});
  
  //x_group.selectAll(".tick").selectAll("text");

svg.append("g")
    .attr("class", "axis")
    .append("text")
	  .attr("font-size", 16)
  	.attr("text-anchor", "end")
    .attr("x", width)
    .attr("y", height + margin.bottom/2)
    .attr("shape-rendering", "crispEdges")
    .text("Kampy Gene Number");
   
  svg.append("g")
    .attr("class", "y axis")
    .call(yAxis)
    .append("text")
  	.attr("font-size", 16)
    .attr("transform", "rotate(-90)")
    .attr("y", 6)
    .attr("dy", ".71em")
    .style("text-anchor", "end")
    .text("Expression (RPKM)");

svg.selectAll(".bar")
    .data(data)
    .enter().append("rect")
    .attr("class", "bar")
    .attr("fill", function (d) {
      if (d.Orientation == 'direct') { return "blue"}
    	else { return "orange"}
	  })
    .attr("x", function(d) { return x(d.GeneNumber); })
    .attr("width", x.rangeBand())
    .attr("y", function(d) { return y(d.Expression); })
    .attr("height", function(d) { return height - y(d.Expression); });
});

function type(d) {
  d.Expression = +d.Expression;
  return d;
}

</script>

Modified http://d3js.org/d3.v3.min.js to a secure url

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