d3-workshop/scatter_plot.html at master · mclawges22/d3-workshop · GitHub

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>D3 Test</title>
        <style>

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

          .axis text {
              font-family: sans-serif;
              font-size: 11px;
          }
        </style>
    </head>
    <body>
      <!-- Link to D3.js library -->
      <script src="http://d3js.org/d3.v3.min.js"></script>

      <script type="text/javascript">

        var LINES = 50;

  			// Width and height
  			var w = 500;
  			var h = 500;
        var padding = 30;

  			// Get fake data
        var dataset = generateData();

  			// Create SVG element
        var svg = d3.select("body")
            .append("svg")
            .attr("width", w)
            .attr("height", h);

        var xScale = d3.scale.linear()
                     .domain([0, 50])
                     .range([padding, w - padding]);

        var yScale = d3.scale.linear()
                     .domain([-1, 1])
                     .range([h - padding, padding]);

        var xAxis = d3.svg.axis()
                    .scale(xScale)
                    .orient("bottom")
                    .ticks(5);

        var yAxis = d3.svg.axis()
                    .scale(yScale)
                    .orient("left")
                    .ticks(5);

        svg.selectAll("circle")
           .data(dataset)
           .enter()
           .append("circle")
           .attr("cx", function(d) {
              return xScale(d[0]);   // position on x-axis
           })
           .attr("cy", function(d) {
              return yScale(d[1]);    // position on y-axis
           })
           .attr("r", 2);

        svg.selectAll("text")
          .data(dataset)
          .enter()
          .append("text")
          .text(function(d) {
            return d[0] + "," + d[1];  // "x,y"
          })
          .attr("x", function(d) {
            return xScale(d[0]);       // position on x-axis
          })
          .attr("y", function(d) {
            return yScale(d[1]);       // position on x-axis
          })
          .attr("font-family", "sans-serif")
          .attr("font-size", "11px")
          .attr("fill", "red");

        svg.append("g")
          .attr("class", "axis")
          .attr("transform", "translate(0," + (h - padding) + ")")
          .call(xAxis);

        svg.append("g")
          .attr("class", "axis")
          .attr("transform", "translate(" + padding + ",0)")
//          .attr("fill", "red")
          .call(yAxis);

        // Helper function
        function generateData() {
          var fakeData = [];
          for (var i = 0; i < LINES; i++) {
            fakeData.push([i, (Math.random() * 2) - 1]);
          }
          return fakeData;
        };
      </script>
    </body>
</html>