Difference between revisions of "Dia3:P6"

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[[File:Sec 01.jpg]]
 
[[File:Sec 01.jpg]]
 
[[File:Sec 02.jpg]]
 
[[File:Sec 02.jpg]]
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 +
<html>
 +
  <head>
 +
    <title>Parallel Coordinates</title>
 +
    <link type="text/css" rel="stylesheet" href="ex.css?3.2"/>
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    <script type="text/javascript" src="../protovis-r3.2.js"></script>
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    <script type="text/javascript" src="cars.js"></script>
 +
    <style type="text/css">
 +
 +
#fig {
 +
  width: 880px;
 +
  height: 460px;
 +
}
 +
 +
#title {
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  position: absolute;
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  top: 70px;
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  left: 200px;
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  padding: 10px;
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  background: white;
 +
}
 +
 +
large {
 +
  font-size: medium;
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}
 +
 +
    </style>
 +
  </head>
 +
  <body><div id="center"><div id="fig">
 +
    <script type="text/javascript+protovis">
 +
 +
// The units and dimensions to visualize, in order.
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var units = {
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  cyl: {name: "cylinders", unit: ""},
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  dsp: {name: "displacement", unit: " sq in"},
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  lbs: {name: "weight", unit: " lbs"},
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  hp: {name: "horsepower", unit: " hp"},
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  acc: {name: "acceleration (0-60 mph)", unit: " sec"},
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  mpg: {name: "mileage", unit: " mpg"},
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  year: {name: "year", unit: ""}
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}
 +
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var dims = pv.keys(units);
 +
 +
/* Sizing and scales. */
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var w = 820,
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    h = 420,
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    fudge = 0.5,
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    x = pv.Scale.ordinal(dims).splitFlush(0, w),
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    y = pv.dict(dims, function(t) pv.Scale.linear(
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        cars.filter(function(d) !isNaN(d[t])),
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        function(d) Math.floor(d[t])-fudge,
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        function(d) Math.ceil(d[t]) +fudge
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        ).range(0, h)),
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    c = pv.dict(dims, function(t) pv.Scale.linear(
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        cars.filter(function(d) !isNaN(d[t])),
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        function(d) Math.floor(d[t])-fudge,
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        function(d) Math.ceil(d[t]) +fudge
 +
        ).range("steelblue", "brown"));
 +
 +
/* Interaction state. */
 +
var filter = pv.dict(dims, function(t) {
 +
    return {min: y[t].domain()[0], max: y[t].domain()[1]};
 +
  }), active = "mpg";
 +
 +
/* The root panel. */
 +
var vis = new pv.Panel()
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    .width(w)
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    .height(h)
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    .left(30)
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    .right(30)
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    .top(30)
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    .bottom(20);
 +
 +
// The parallel coordinates display.
 +
vis.add(pv.Panel)
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    .data(cars)
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    .visible(function(d) dims.every(function(t)
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        (d[t] >= filter[t].min) && (d[t] <= filter[t].max)))
 +
  .add(pv.Line)
 +
    .data(dims)
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    .left(function(t, d) x(t))
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    .bottom(function(t, d) y[t](d[t]))
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    .strokeStyle("#ddd")
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    .lineWidth(1)
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    .antialias(false);
 +
 +
// Rule per dimension.
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rule = vis.add(pv.Rule)
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    .data(dims)
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    .left(x);
 +
 +
// Dimension label
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rule.anchor("top").add(pv.Label)
 +
    .top(-12)
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    .font("bold 10px sans-serif")
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    .text(function(d) units[d].name);
 +
 +
// The parallel coordinates display.
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var change = vis.add(pv.Panel);
 +
 +
var line = change.add(pv.Panel)
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    .data(cars)
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    .visible(function(d) dims.every(function(t)
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        (d[t] >= filter[t].min) && (d[t] <= filter[t].max)))
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  .add(pv.Line)
 +
    .data(dims)
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    .left(function(t, d) x(t))
 +
    .bottom(function(t, d) y[t](d[t]))
 +
    .strokeStyle(function(t, d) c[active](d[active]))
 +
    .lineWidth(1);
 +
 +
// Updater for slider and resizer.
 +
function update(d) {
 +
  var t = d.dim;
 +
  filter[t].min = Math.max(y[t].domain()[0], y[t].invert(h - d.y - d.dy));
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  filter[t].max = Math.min(y[t].domain()[1], y[t].invert(h - d.y));
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  active = t;
 +
  change.render();
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  return false;
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}
 +
 +
// Updater for slider and resizer.
 +
function selectAll(d) {
 +
  if (d.dy < 3) {
 +
    var t = d.dim;
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    filter[t].min = Math.max(y[t].domain()[0], y[t].invert(0));
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    filter[t].max = Math.min(y[t].domain()[1], y[t].invert(h));
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    d.y = 0; d.dy = h;
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    active = t;
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    change.render();
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  }
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  return false;
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}
 +
 +
/* Handle select and drag */
 +
var handle = change.add(pv.Panel)
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    .data(dims.map(function(dim) { return {y:0, dy:h, dim:dim}; }))
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    .left(function(t) x(t.dim) - 30)
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    .width(60)
 +
    .fillStyle("rgba(0,0,0,.001)")
 +
    .cursor("crosshair")
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    .event("mousedown", pv.Behavior.select())
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    .event("select", update)
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    .event("selectend", selectAll)
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  .add(pv.Bar)
 +
    .left(25)
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    .top(function(d) d.y)
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    .width(10)
 +
    .height(function(d) d.dy)
 +
    .fillStyle(function(t) t.dim == active
 +
        ? c[t.dim]((filter[t.dim].max + filter[t.dim].min) / 2)
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        : "hsla(0,0,50%,.5)")
 +
    .strokeStyle("white")
 +
    .cursor("move")
 +
    .event("mousedown", pv.Behavior.drag())
 +
    .event("dragstart", update)
 +
    .event("drag", update);
 +
 +
handle.anchor("bottom").add(pv.Label)
 +
    .textBaseline("top")
 +
    .text(function(d) filter[d.dim].min.toFixed(0) + units[d.dim].unit);
 +
 +
handle.anchor("top").add(pv.Label)
 +
    .textBaseline("bottom")
 +
    .text(function(d) filter[d.dim].max.toFixed(0) + units[d.dim].unit);
 +
 +
vis.render();
 +
 +
    </script>
 +
  </div></div></body>
 +
</html>

Revision as of 12:21, 12 February 2019


01 - Direct Daylight.jpg 02-Diffused Daylight.jpg 03 - Isolation.jpg 04 - Courtyard Proximity.jpg 05 - Events Space Proximity.jpg 02.jpg Sec 01.jpg Sec 02.jpg

Parallel Coordinates

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