HW1 Chart3

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

.axis--x path {
  display: none;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}
  
.grid line {
  stroke: lightgrey;
  stroke-opacity: 0.7;
  shape-rendering: crispEdges;
}

.grid path {
  stroke-width: 0;
}
.area {
    fill: lightsteelblue;
    stroke-width: 0;
}

</style>
<svg width="960" height="500"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>

var svg = d3.select("svg"),
    margin = {top: 50, right: 80, bottom: 40, left: 50},
    width = svg.attr("width") - margin.left - margin.right,
    height = svg.attr("height") - margin.top - margin.bottom,
    g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var x = d3.scaleLinear().range([0, width]),
    y = d3.scaleLinear().range([height, 0]),
    z = d3.scaleOrdinal(d3.schemeCategory10);

var line = d3.line()
    .curve(d3.curveLinear)
    .x(function(d) { return x(d.Hour); })
    .y(function(d) { return y(d.Count); });

g.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x).ticks(25));

g.append("g")
      .attr("class", "axis axis--y")
      .call(d3.axisLeft(y))

g.append("text")
    .attr("y", 0- margin.left)
    .attr("x", 0 - (height/2))
    .attr("transform", "rotate(-90)")
    .attr("dy", "0.71em")
    .attr("fill", "#000")
    .text("Number of Calls");

g.append("g")
    .attr("class", "grid")
    .call(make_x_gridlines()
        .tickSize(height)
        .tickFormat(""))
      
  g.append("g")
    .attr("class", "grid")
    .call(make_y_gridlines()
        .tickSize(-width)
        .tickFormat(""))

g.append("path")
      .datum(data)
      .attr("fill", "steelblue")
      .attr("d", area);
  
  
  g.append("text")
       .attr("x", (width / 2))             
        .attr("y", 0 - (margin.top / 2))
        .attr("text-anchor", "middle")  
        .style("font-size", "20px") 
        .style("font-family", "Times New Roman")
        .text("SF PD Calls Per Hour in December");
  g.append("text")      // text label for the x axis
        .attr("x", (width / 2) )
        .attr("y", height + margin.bottom )
        .style("text-anchor", "middle")
        .text("Hour");

g.append("path")
        .datum(data)
        .attr("class", "area")
        .attr("d", area);

});

</script>

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