San Francisco Zero Waste Data

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body {
      margin: 0;
      font-family: "Helvetica Neue", Helvetica, Sans-Serif;
    }
    svg {
      background-color: #fff;
    }
    .title {
      font-size: 24px;
      font-weight: bold;
      fill: #35383b;
    }
    .subtitle {
      fill: #6b6f73;
    }
    .line {
      fill: none;
      stroke: #5cb3ff;
      stroke-width: 2px;
    }
    .y.axis .domain {
      display: none;
    }
    .y.axis .tick line,
    .x.axis .domain {
      stroke: #e1e3e6;
      shape-rendering: crispEdges;
    }
    .y.axis .tick text,
    .x.axis .tick text {
      font-size: 14px;
      fill: #a4aab0;
    }
    .hover-marker {
      fill: #5cb3ff;
    }
  </style>
</head>
<body>
<script>
  // Tweak these variables to customize the chart
  var dataUrl = "https://numeracy.co/projects/1xTvf5A9Lbs/analysis.csv"
  var xField = "Year"
  var yField = "Landfilled"
  var yFormatter = d3.format(",")
  var title = "Yearly waste landfilled in San Francisco (Tons)"

var margin = {top: 100, right: 20, bottom: 48, left: 86},
    totalWidth = 960,
    totalHeight = 500,
    width = totalWidth - margin.left - margin.right,
    height = totalHeight - margin.top - margin.bottom

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

svg.append("text")
    .attr("class", "title")
    .attr("y", -52)
    .text(title)

d3.csv(dataUrl, function(error, data) {
    if (error) {
      console.error("error", error)
      return
    }
    data.sort(function(a, b) { return d3.ascending(+a[xField], +b[xField]) })

var xScale = d3.scaleLinear()
      .domain(d3.extent(data, function(d) { return +d[xField] }))
      .range([0, width])

var yDomain = d3.extent(data, function(d) { return +d[yField] })
    if (yDomain[0] > 0) {
      yDomain[0] = 0
    }
    var yScale = d3.scaleLinear()
      .domain(yDomain)
      .range([height, 0])

var xAxis = d3.axisBottom(xScale)
      .tickValues([+data[0][xField], +data[data.length - 1][xField]])
      .tickFormat(d3.format("0"))
      .tickSize(0)
      .tickPadding(16)

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)

var yAxis = d3.axisLeft(yScale)
      .ticks(3)
      .tickSize(-width)
      .tickPadding(16)

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)

var line = d3.line()
      .x(function(d) { return xScale(+d[xField]) })
      .y(function(d) { return yScale(+d[yField]) })

svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line)

// Set up hover interactions

var hoverMarker = svg.append("circle")
      .attr("class", "hover-marker")
      .attr("opacity", 0)
      .attr("r", 5)

var hoverText = svg.append("text")
      .attr("class", "subtitle")
      .attr("y", -24)

var bisector = d3.bisector(function(d) { return +d[xField] })

svg.append("rect")
      .attr("width", width)
      .attr("height", height)
      .style("opacity", 0)
      .on("mousemove", function() {
        var x = Math.round(xScale.invert(d3.mouse(this)[0]))
        var d = data[bisector.left(data, x)]
        hoverMarker
          .attr("cx", xScale(+d[xField]))
          .attr("cy", yScale(+d[yField]))
          .attr("opacity", 1)
        hoverText
          .text(yFormatter(+d[yField]) + " in " + d[xField])
          .attr("opacity", 1)
      })
      .on("mouseleave", function() {
        hoverMarker.attr("opacity", 0)
        hoverText.attr("opacity", 0)
      })
  })
</script>
</body>

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