Homework 1 Visualization1

Built with blockbuilder.org

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

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

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

.x.axis path {
  display: ;
}

</style>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 30, left: 60},
    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("data2.csv", type, function(error, data) {
  if (error) throw error;

x.domain(data.map(function(d) { return d.District; }));
  y.domain([0, 2400]);
	
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", -50)
      .attr("dy", ".71em")
  		.attr("x", -125)
      .style("text-anchor", "end")
      .text("Number of Records")
  		.style("font-weight","bold");

svg.selectAll(".bar")
      .data(data)
    .enter().append("rect")
  		.attr({x: 400, y: 700})
  		.transition().duration(3000).ease("elastic").attr()
      .attr("class", "bar")
      .attr("x", function(d) { return x(d.District); })
      .attr("width", x.rangeBand())
      .attr("y", function(d) { return y(d.Records); })
      .attr("height", function(d) { return height - y(d.Records); })
  		.style("fill", function(d) {
    if (d.Records === 0)
      {
      	return "#513f00";
    	}
    	else if (d.Records <= 950) 
      {
      	return "#ff93b7";
    	}
    	else if (d.Records >= 950 && d.Records <= 1200) 
      {
      	return "#ff6b7c";
    	}
    	else if (d.Records >= 1200 && d.Records <= 1850) 
      {
      	return "#fe5c43";
    	}
    else if (d.Records > 1850) 
      {
      	return "#d60007";
    	}
    return "#800026";})

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

</script>

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