Positioning Technologies Parallel Coordinates

Parallel Coordinates plot for Positioning Technologies. Implementation based on http://mbostock.github.io/d3/talk/20111116/iris-parallel.html

<!DOCTYPE html>

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
    <link type="text/css" rel="stylesheet" href="style.css"/>
    <style type="text/css">

svg {
  font-size: 14px;
}

.foreground path {
  fill: none;
  stroke-opacity: .5;
  stroke-width: 1.5px;
}

.foreground path.fade {
  stroke: #000;
  stroke-opacity: .05;
}

.legend {
  font-size: 18px;
  font-style: oblique;
}

.legend line {
  stroke-width: 2px;
}

.WLANRSSI {
  stroke: #800;
}

.Ultrasound {
  stroke: #080;
}

.PulseRadar {
  stroke: #008;
}

.FMCWRadar {
  stroke: #808;
}

.Laser {
  stroke: #088;
}

.RFID {
  stroke: #000;
}

.brush .extent {
  fill-opacity: .3;
  stroke: #fff;
  shape-rendering: crispEdges;
}

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

.axis text {
  text-shadow: 0 1px 0 #fff;
  cursor: move;
}

</style>
  </head>
  <body>
    <h2>
      Positioning Technology Overview<br>
      parallel coordinates
    </h2>
    <script src="https://d3js.org/d3.v3.min.js"></script>
    <script src="d3.v3.min.js"></script>
    <script type="text/javascript">

var technologies = ["WLANRSSI", "Ultrasound", "PulseRadar", "FMCWRadar", "Laser", "RFID"];
var characteristics = ["Cost", "Accuracy", "Range", "Robustness", "User Number"];

var m = [80, 160, 100, 50],
    w = 800 - m[1] - m[3],
    h = 500 - m[0] - m[2];

var x = d3.scale.ordinal().domain(characteristics).rangePoints([0, w]),
    y = {};

var line = d3.svg.line(),
    axis = d3.svg.axis().orient("left"),
    foreground;

var svg = d3.select("body").append("svg:svg")
    .attr("width", w + m[1] + m[3])
    .attr("height", h + m[0] + m[2])
  .append("svg:g")
    .attr("transform", "translate(" + m[3] + "," + m[0] + ")");

d3.csv("data.csv", function(flowers) {

// Create a scale and brush for each characteristic.
  characteristics.forEach(function(d) {
    // Coerce values to numbers.
    flowers.forEach(function(p) { p[d] = +p[d]; });

y[d] = d3.scale.linear()
        .domain(d3.extent(flowers, function(p) { return p[d]; }))
        .range([h, 0]);

y[d].brush = d3.svg.brush()
        .y(y[d])
        .on("brush", brush);
 });

// Add a legend.
  var legend = svg.selectAll("g.legend")
      .data(technologies)
    .enter().append("svg:g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate("+ (w + 30) +"," + (i * 20 + h/2) + ")"; });

legend.append("svg:line")
      .attr("class", String)
      .attr("x2", 8);

legend.append("svg:text")
      .attr("x", 12)
      .attr("dy", ".31em")
      .text(function(d) { return  d; });

// Add foreground lines.
  foreground = svg.append("svg:g")
      .attr("class", "foreground")
    .selectAll("path")
      .data(flowers)
    .enter().append("svg:path")
      .attr("d", path)
      .attr("class", function(d) { return d.technologies; });

// Add a group element for each characteristic.
  var g = svg.selectAll(".characteristic")
      .data(characteristics)
    .enter().append("svg:g")
      .attr("class", "characteristic")
      .attr("transform", function(d) { return "translate(" + x(d) + ")"; })
      .call(d3.behavior.drag()
      .origin(function(d) { return {x: x(d)}; })
      .on("dragstart", dragstart)
      .on("drag", drag)
      .on("dragend", dragend));

// Add an axis and title.
  g.append("svg:g")
      .attr("class", "axis")
      .each(function(d) { d3.select(this).call(axis.scale(y[d])); })
    .append("svg:text")
      .attr("text-anchor", "middle")
      .attr("y", -9)
      .text(String);

// Add a brush for each axis.
  g.append("svg:g")
      .attr("class", "brush")
      .each(function(d) { d3.select(this).call(y[d].brush); })
    .selectAll("rect")
      .attr("x", -8)
      .attr("width", 16);

function dragstart(d) {
    i = characteristics.indexOf(d);
    //console.log(i);	
  }

function dragend(d) {
    x.domain(characteristics).rangePoints([0, w]);
    var t = d3.transition().duration(500);
    t.selectAll(".characteristic").attr("transform", function(d) { return "translate(" + x(d) + ")"; });
    t.selectAll(".foreground path").attr("d", path);
  }
});

// Returns the path for a given data point.
function path(d) {
  return line(characteristics.map(function(p) { return [x(p), y[p](d[p])]; }));
}

// Handles a brush event, toggling the display of foreground lines.
function brush() {
  var actives = characteristics.filter(function(p) { return !y[p].brush.empty(); }),
      extents = actives.map(function(p) { return y[p].brush.extent(); });
  foreground.classed("fade", function(d) {
    return !actives.every(function(p, i) {
      return extents[i][0] <= d[p] && d[p] <= extents[i][1];
    });
  });
}

</script>
  </body>
</html>

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

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