CS448bAssignment3/parallel.html at master · jtamayo/CS448bAssignment3 · GitHub

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<!doctype html>
<html>
  <head>
    <title>Parallel Coordinates</title>
    <link type="text/css" rel="stylesheet" href="ex.css?3.2"/>
    <script type="text/javascript" src="protovis-r3.2.js"></script>
    <script type="text/javascript" src="paralleldata.js"></script>
    <script type="text/javascript" src="jquery-1.4.2.min.js"></script>
    <style type="text/css">

#fig {
  width: 880px;
  height: 600px;
}

#title {
  position: absolute;
  top: 70px;
  left: 200px;
  padding: 10px;
  background: white;
}

large {
  font-size: medium;
}

    </style>
  </head>
  <body>
  <script type="text/javascript">
  	var searchCountries = [""]
    function search(){
        searchCountries = $('#searchBox').val().split(" ")
		updateFilter();
    }
  </script>

	Country
	<input type="text" id="searchBox" NAME="country" value = "" onkeypress = "search()">
	</input>
	<br><br>

	<div id="center"><div id="fig">
    <script type="text/javascript">

/*
 * So, the trick is that some of the scales are inverted, and the filters should
 * know about this.
 */

// The units and dimensions to visualize, in order.
var units = {
  gdp: {name: "GDP Per Capita", unit: " current US$", invert: false, log: true},
  net: {name: "Internet Users", unit: " per 100 people", invert: false, log: false},
  imr: {name: "Infant Mortality Rate", unit: " per 1000 live births", invert: true, log: true},
  death: {name: "Death Rate, Crude", unit: " per 1000 people", invert: true, log: false} //TODO: remove this variable, is not interesting
}

var dims = pv.keys(units);

/* Sizing and scales. */
var w = 820,
    h = 600,
    fudge = 0.49,
    x = pv.Scale.ordinal(dims).splitFlush(0, w),
    y = pv.dict(dims,
		function(dim) {
			if (units[dim].log) {
				var domain = pv.Scale.log(cars,
	        		function(country) {return Math.floor(country[dim])-fudge;},
	        		function(country) {return Math.ceil(country[dim]) +fudge;}
	        	);
			} else {
				var domain = pv.Scale.linear(cars,
	        		function(country) {return Math.floor(country[dim])-fudge;},
	        		function(country) {return Math.ceil(country[dim]) +fudge;}
	        	);
			}
			return units[dim].invert ? domain.range(h, 0) : domain.range(0, h);
		}),
	color = function(country) {
		var range;
		switch (country.cont) {
			case 1:
			case 2:
			case 3:
			// Africa
			range = ["#FDAE6B", "#A63603"];
			break;
			case 4:
			case 5:
			case 6:
			case 7:
			case 12:
			// Asia
			range = ["#BCBDDC", "#54278F"];
			break;
			case 8:
			// South america
			range = ["#A1D99B","#006D2C"]
			break;
			case 9:
			case 11:
			// Europe
			range = ["#A63603", "#FDAE6B"]
			break;
			case 10:
			// North america
			range = ["#9ECAE1", "#08519C"];
			break;
			default:
			console.log(country);
		}
		return pv.Scale.linear(0,1).range(pv.color(range[0]).rgb().alpha(0.7), pv.color(range[1]).rgb().alpha(0.7))(1);
	}

/* Interaction state.
 * filter has a function for each dimension that returns the min and max value currently selected
 */
var filter = pv.dict(dims, function(dim) {
    return {min: y[dim].domain()[0], max: y[dim].domain()[1]};
  }),
  active = "gdp";

/* The root panel. */
var vis = new pv.Panel()
    .width(w)
    .height(h)
    .left(60)
    .right(130)
    .top(30)
    .bottom(20);

// The parallel coordinates display.
// All of the lines are rendered in grey for the background
vis.add(pv.Panel)
    .data(cars)
    .visible(function(d) {return dims.every(function(t) {return (d[t] >= filter[t].min) && (d[t] <= filter[t].max);});})
  .add(pv.Line)
    .data(dims)
    .left(function(t, d) {return x(t);})
    .bottom(function(t, d) {return y[t](d[t]);})
    .strokeStyle("#ddd")
    .lineWidth(1)
    .antialias(false)
	;

// Rule per dimension.
rule = vis.add(pv.Rule)
    .data(dims)
    .left(x);

// Dimension label
rule.anchor("top").add(pv.Label)
    .top(-12)
    .font("bold 10px sans-serif")
    .text(function(dim) {return units[dim].name;});

// The parallel coordinates display.
// This guy is re-rendered every time we change the slider
var change = vis.add(pv.Panel);
var validCountries = 0;

// Pass in the countries we want to render
var line = change.add(pv.Panel)
    .data(cars)
    .visible(function(country) { return dims.every(function(dim) {
	// This is the function that decides if a line is rendered or not
		var i;
		for (i in searchCountries) {
			if (country.name.toLowerCase().indexOf(searchCountries[i].toLowerCase()) === 0) {
				return (country[dim] >= filter[dim].min) && (country[dim] <= filter[dim].max);
			}
		}
		return false;
	});})
  .add(pv.Line)
    .data(dims) // Data for the lines are the dimensions
    .left(function(t, d) {return x(t);})
    .bottom(function(t, d) {return y[t](d[t]);})
//    .strokeStyle(function(t, d) {return c[active](d[active]);})
    .strokeStyle(function(t, d) {return color(d);})
    .lineWidth(function() {return validCountries < 10 ? 4 : 4})
  .add(pv.Label)
    .visible(function(){ return (validCountries < 10) && this.index == dims.length-1;})
    .textBaseline("middle")
    .textMargin(function(){
		return Math.random() * 40 + 20;
	})
    .text(function(dontKnow, country) {
		return country.name;
		});
	;

// Updater for slider and resizer.
function update(d){
    var t = d.dim;
	if (units[t].invert) {
	  filter[t].max = Math.max(y[t].domain()[0], y[t].invert(h - d.y - d.dy));
	  filter[t].min = Math.min(y[t].domain()[1], y[t].invert(h - d.y));
	} else {
	  filter[t].min = Math.max(y[t].domain()[0], y[t].invert(h - d.y - d.dy));
	  filter[t].max = Math.min(y[t].domain()[1], y[t].invert(h - d.y));
	}
    active = t;
	updateFilter();
    return false;
}

// Updater for slider and resizer.
function selectAll(d) {
  if (d.dy < 3) {
    var t = d.dim;
	if (units[t].invert) {
	    filter[t].max = Math.max(y[t].domain()[0], y[t].invert(0));
	    filter[t].min = Math.min(y[t].domain()[1], y[t].invert(h));
	} else {
	    filter[t].min = Math.max(y[t].domain()[0], y[t].invert(0));
	    filter[t].max = Math.min(y[t].domain()[1], y[t].invert(h));
	}
    d.y = 0; d.dy = h;
    active = t;
	updateFilter()
  }
  return false;
}

function updateFilter() {
	validCountries = 0;
	var i;
	var country;
	var i_country;
	var dim, i_dim;
	var valid;
	for (i_country in cars) {
		country = cars[i_country];
		for (i in searchCountries) {
			if (country.name.toLowerCase().indexOf(searchCountries[i].toLowerCase()) === 0) {
				valid = true;
				for (i_dim in dims) {
					var dim = dims[i_dim];
					if (!(country[dim] >= filter[dim].min && country[dim] <= filter[dim].max)) {
						valid = false;
						break;
					}
				}
				if (valid) {
					validCountries++;
				}
			}
		}
	}
	change.render();
}

/* Handle select and drag */
var handle = change.add(pv.Panel)
    .data(dims.map(function(dim) { return {y:0, dy:h, dim:dim}; }))
    .left(function(t){
		return x(t.dim) - 30;
	})
    .width(60)
    .fillStyle("rgba(0,0,0,.001)")
    .cursor("crosshair")
    .event("mousedown", pv.Behavior.select())
    .event("select", update)
    .event("selectend", selectAll)
  .add(pv.Bar)
    .left(25)
    .top(function(d) { return d.y; })
    .width(10)
    .height(function(d) {return d.dy; })
    .fillStyle("rgba(0,0,0,0.1)")
    .strokeStyle(function(t) {
		return  "hsla(0,0,50%,.5)"
		})
    .cursor("move")
    .event("mousedown", pv.Behavior.drag())
    .event("dragstart", update)
    .event("drag", update);

handle.anchor("bottom").add(pv.Label)
    .textBaseline("top")
    .text(function(d){
		if (units[d.dim].invert) {
			return Math.abs(filter[d.dim].max.toFixed(0)) + units[d.dim].unit;
		} else {
			return Math.abs(filter[d.dim].min.toFixed(0)) + units[d.dim].unit;
		}
	});

handle.anchor("top").add(pv.Label)
    .textBaseline("bottom")
    .text(function(d){
		if (units[d.dim].invert) {
			return filter[d.dim].min.toFixed(0) + units[d.dim].unit;
		} else {
			return filter[d.dim].max.toFixed(0) + units[d.dim].unit;

		}
	});

vis.render();
updateFilter();

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