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<title>US 109th Congress</title>
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<style>
/* **for future */
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height: 406px;
}
</style>
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<body>
<div data-role="page" id="mpage" class="type-home">
<div data-role="content">
<h1>US 109th Congress</h1>
<div class="chart-content">
<div class="main-column">
<p id="chart"><svg><defs id="gradients"></defs></svg></p>
<div id="slider-play">
<form id="slider-form">
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<input name="slider" id="slider" min="2005.25" max="2006.75" value="2005.25" step=".01" type="range" />
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</p>
</div> <!-- /slider-play -->
</div>
<div class="additional-column">
<form>
<fieldset data-role="controlgroup" data-mini="true">
<legend>Highlight:</legend>
<input class="checkbox-mp" name="checkbox-h-1" id="checkbox-h-1" type="checkbox">
<label for="checkbox-h-1">BUSH</label>
<input class="checkbox-mp" name="checkbox-h-2" id="checkbox-h-2" type="checkbox">
<label for="checkbox-h-2">SESSIONS</label>
<input class="checkbox-mp" name="checkbox-h-3" id="checkbox-h-3" type="checkbox">
<label for="checkbox-h-3">SHELBY</label>
<input class="checkbox-mp" name="checkbox-h-4" id="checkbox-h-4" type="checkbox">
<label for="checkbox-h-4">MURKOWSKI</label>
<input class="checkbox-mp" name="checkbox-h-5" id="checkbox-h-5" type="checkbox">
<label for="checkbox-h-5">STEVENS</label>
<input class="checkbox-mp" name="checkbox-h-6" id="checkbox-h-6" type="checkbox">
<label for="checkbox-h-6">KYL</label>
<input class="checkbox-mp" name="checkbox-h-7" id="checkbox-h-7" type="checkbox">
<label for="checkbox-h-7">MCCAIN</label>
<input class="checkbox-mp" name="checkbox-h-8" id="checkbox-h-8" type="checkbox">
<label for="checkbox-h-8">PRYOR</label>
<input class="checkbox-mp" name="checkbox-h-9" id="checkbox-h-9" type="checkbox">
<label for="checkbox-h-9">LINCOLN</label>
<input class="checkbox-mp" name="checkbox-h-10" id="checkbox-h-10" type="checkbox">
<label for="checkbox-h-10">BOXER</label>
<input class="checkbox-mp" name="checkbox-h-11" id="checkbox-h-11" type="checkbox">
<label for="checkbox-h-11">FEINSTEIN</label>
<input class="checkbox-mp" name="checkbox-h-12" id="checkbox-h-12" type="checkbox">
<label for="checkbox-h-12">ALLARD</label>
<input class="checkbox-mp" name="checkbox-h-13" id="checkbox-h-13" type="checkbox">
<label for="checkbox-h-13">SALAZAR</label>
<input class="checkbox-mp" name="checkbox-h-14" id="checkbox-h-14" type="checkbox">
<label for="checkbox-h-14">DODD</label>
<input class="checkbox-mp" name="checkbox-h-15" id="checkbox-h-15" type="checkbox">
<label for="checkbox-h-15">LIEBERMAN</label>
<input class="checkbox-mp" name="checkbox-h-16" id="checkbox-h-16" type="checkbox">
<label for="checkbox-h-16">BIDEN</label>
<input class="checkbox-mp" name="checkbox-h-17" id="checkbox-h-17" type="checkbox">
<label for="checkbox-h-17">CARPER</label>
<input class="checkbox-mp" name="checkbox-h-18" id="checkbox-h-18" type="checkbox">
<label for="checkbox-h-18">MARTINEZ</label>
<input class="checkbox-mp" name="checkbox-h-19" id="checkbox-h-19" type="checkbox">
<label for="checkbox-h-19">NELSON</label>
<input class="checkbox-mp" name="checkbox-h-20" id="checkbox-h-20" type="checkbox">
<label for="checkbox-h-20">CHAMBLISS</label>
<input class="checkbox-mp" name="checkbox-h-21" id="checkbox-h-21" type="checkbox">
<label for="checkbox-h-21">ISAKSON</label>
<input class="checkbox-mp" name="checkbox-h-22" id="checkbox-h-22" type="checkbox">
<label for="checkbox-h-22">AKAKA</label>
<input class="checkbox-mp" name="checkbox-h-23" id="checkbox-h-23" type="checkbox">
<label for="checkbox-h-23">INOUYE</label>
<input class="checkbox-mp" name="checkbox-h-24" id="checkbox-h-24" type="checkbox">
<label for="checkbox-h-24">CRAIG</label>
<input class="checkbox-mp" name="checkbox-h-25" id="checkbox-h-25" type="checkbox">
<label for="checkbox-h-25">CRAPO</label>
<input class="checkbox-mp" name="checkbox-h-26" id="checkbox-h-26" type="checkbox">
<label for="checkbox-h-26">DURBIN</label>
<input class="checkbox-mp" name="checkbox-h-27" id="checkbox-h-27" type="checkbox">
<label for="checkbox-h-27">OBAMA</label>
<input class="checkbox-mp" name="checkbox-h-28" id="checkbox-h-28" type="checkbox">
<label for="checkbox-h-28">BAYH</label>
<input class="checkbox-mp" name="checkbox-h-29" id="checkbox-h-29" type="checkbox">
<label for="checkbox-h-29">LUGAR</label>
<input class="checkbox-mp" name="checkbox-h-30" id="checkbox-h-30" type="checkbox">
<label for="checkbox-h-30">GRASSLEY</label>
<input class="checkbox-mp" name="checkbox-h-31" id="checkbox-h-31" type="checkbox">
<label for="checkbox-h-31">HARKIN</label>
<input class="checkbox-mp" name="checkbox-h-32" id="checkbox-h-32" type="checkbox">
<label for="checkbox-h-32">BROWNBACK</label>
<input class="checkbox-mp" name="checkbox-h-33" id="checkbox-h-33" type="checkbox">
<label for="checkbox-h-33">ROBERTS</label>
<input class="checkbox-mp" name="checkbox-h-34" id="checkbox-h-34" type="checkbox">
<label for="checkbox-h-34">BUNNING</label>
<input class="checkbox-mp" name="checkbox-h-35" id="checkbox-h-35" type="checkbox">
<label for="checkbox-h-35">MCCONNELL</label>
<input class="checkbox-mp" name="checkbox-h-36" id="checkbox-h-36" type="checkbox">
<label for="checkbox-h-36">VITTER</label>
<input class="checkbox-mp" name="checkbox-h-37" id="checkbox-h-37" type="checkbox">
<label for="checkbox-h-37">LANDRIEU</label>
<input class="checkbox-mp" name="checkbox-h-38" id="checkbox-h-38" type="checkbox">
<label for="checkbox-h-38">COLLINS</label>
<input class="checkbox-mp" name="checkbox-h-39" id="checkbox-h-39" type="checkbox">
<label for="checkbox-h-39">SNOWE</label>
<input class="checkbox-mp" name="checkbox-h-40" id="checkbox-h-40" type="checkbox">
<label for="checkbox-h-40">MIKULSKI</label>
<input class="checkbox-mp" name="checkbox-h-41" id="checkbox-h-41" type="checkbox">
<label for="checkbox-h-41">SARBANES</label>
<input class="checkbox-mp" name="checkbox-h-42" id="checkbox-h-42" type="checkbox">
<label for="checkbox-h-42">KENNEDYED</label>
<input class="checkbox-mp" name="checkbox-h-43" id="checkbox-h-43" type="checkbox">
<label for="checkbox-h-43">KERRYJOHN</label>
<input class="checkbox-mp" name="checkbox-h-44" id="checkbox-h-44" type="checkbox">
<label for="checkbox-h-44">STABENOW</label>
<input class="checkbox-mp" name="checkbox-h-45" id="checkbox-h-45" type="checkbox">
<label for="checkbox-h-45">LEVINCARL</label>
<input class="checkbox-mp" name="checkbox-h-46" id="checkbox-h-46" type="checkbox">
<label for="checkbox-h-46">DAYTON</label>
<input class="checkbox-mp" name="checkbox-h-47" id="checkbox-h-47" type="checkbox">
<label for="checkbox-h-47">COLEMAN</label>
<input class="checkbox-mp" name="checkbox-h-48" id="checkbox-h-48" type="checkbox">
<label for="checkbox-h-48">COCHRAN</label>
<input class="checkbox-mp" name="checkbox-h-49" id="checkbox-h-49" type="checkbox">
<label for="checkbox-h-49">LOTT</label>
<input class="checkbox-mp" name="checkbox-h-50" id="checkbox-h-50" type="checkbox">
<label for="checkbox-h-50">TALENT</label>
<input class="checkbox-mp" name="checkbox-h-51" id="checkbox-h-51" type="checkbox">
<label for="checkbox-h-51">BOND</label>
<input class="checkbox-mp" name="checkbox-h-52" id="checkbox-h-52" type="checkbox">
<label for="checkbox-h-52">BAUCUS</label>
<input class="checkbox-mp" name="checkbox-h-53" id="checkbox-h-53" type="checkbox">
<label for="checkbox-h-53">BURNS</label>
<input class="checkbox-mp" name="checkbox-h-54" id="checkbox-h-54" type="checkbox">
<label for="checkbox-h-54">HAGEL</label>
<input class="checkbox-mp" name="checkbox-h-55" id="checkbox-h-55" type="checkbox">
<label for="checkbox-h-55">NELSONBEN</label>
<input class="checkbox-mp" name="checkbox-h-56" id="checkbox-h-56" type="checkbox">
<label for="checkbox-h-56">ENSIGN</label>
<input class="checkbox-mp" name="checkbox-h-57" id="checkbox-h-57" type="checkbox">
<label for="checkbox-h-57">REID</label>
<input class="checkbox-mp" name="checkbox-h-58" id="checkbox-h-58" type="checkbox">
<label for="checkbox-h-58">GREGG</label>
<input class="checkbox-mp" name="checkbox-h-59" id="checkbox-h-59" type="checkbox">
<label for="checkbox-h-59">SUNUNU</label>
<input class="checkbox-mp" name="checkbox-h-60" id="checkbox-h-60" type="checkbox">
<label for="checkbox-h-60">CORZINE</label>
<input class="checkbox-mp" name="checkbox-h-61" id="checkbox-h-61" type="checkbox">
<label for="checkbox-h-61">MENENDEZ</label>
<input class="checkbox-mp" name="checkbox-h-62" id="checkbox-h-62" type="checkbox">
<label for="checkbox-h-62">LAUTENBERG</label>
<input class="checkbox-mp" name="checkbox-h-63" id="checkbox-h-63" type="checkbox">
<label for="checkbox-h-63">BINGAMAN</label>
<input class="checkbox-mp" name="checkbox-h-64" id="checkbox-h-64" type="checkbox">
<label for="checkbox-h-64">DOMENICI</label>
<input class="checkbox-mp" name="checkbox-h-65" id="checkbox-h-65" type="checkbox">
<label for="checkbox-h-65">CLINTON</label>
<input class="checkbox-mp" name="checkbox-h-66" id="checkbox-h-66" type="checkbox">
<label for="checkbox-h-66">SCHUMER</label>
<input class="checkbox-mp" name="checkbox-h-67" id="checkbox-h-67" type="checkbox">
<label for="checkbox-h-67">BURR</label>
<input class="checkbox-mp" name="checkbox-h-68" id="checkbox-h-68" type="checkbox">
<label for="checkbox-h-68">DOLE</label>
<input class="checkbox-mp" name="checkbox-h-69" id="checkbox-h-69" type="checkbox">
<label for="checkbox-h-69">CONRAD</label>
<input class="checkbox-mp" name="checkbox-h-70" id="checkbox-h-70" type="checkbox">
<label for="checkbox-h-70">DORGAN</label>
<input class="checkbox-mp" name="checkbox-h-71" id="checkbox-h-71" type="checkbox">
<label for="checkbox-h-71">DEWINE</label>
<input class="checkbox-mp" name="checkbox-h-72" id="checkbox-h-72" type="checkbox">
<label for="checkbox-h-72">VOINOVICH</label>
<input class="checkbox-mp" name="checkbox-h-73" id="checkbox-h-73" type="checkbox">
<label for="checkbox-h-73">INHOFE</label>
<input class="checkbox-mp" name="checkbox-h-74" id="checkbox-h-74" type="checkbox">
<label for="checkbox-h-74">COBURN</label>
<input class="checkbox-mp" name="checkbox-h-75" id="checkbox-h-75" type="checkbox">
<label for="checkbox-h-75">SMITHGORD</label>
<input class="checkbox-mp" name="checkbox-h-76" id="checkbox-h-76" type="checkbox">
<label for="checkbox-h-76">WYDEN</label>
<input class="checkbox-mp" name="checkbox-h-77" id="checkbox-h-77" type="checkbox">
<label for="checkbox-h-77">SANTORUM</label>
<input class="checkbox-mp" name="checkbox-h-78" id="checkbox-h-78" type="checkbox">
<label for="checkbox-h-78">SPECTER</label>
<input class="checkbox-mp" name="checkbox-h-79" id="checkbox-h-79" type="checkbox">
<label for="checkbox-h-79">CHAFEE</label>
<input class="checkbox-mp" name="checkbox-h-80" id="checkbox-h-80" type="checkbox">
<label for="checkbox-h-80">REED</label>
<input class="checkbox-mp" name="checkbox-h-81" id="checkbox-h-81" type="checkbox">
<label for="checkbox-h-81">DEMINT</label>
<input class="checkbox-mp" name="checkbox-h-82" id="checkbox-h-82" type="checkbox">
<label for="checkbox-h-82">GRAHAM</label>
<input class="checkbox-mp" name="checkbox-h-83" id="checkbox-h-83" type="checkbox">
<label for="checkbox-h-83">THUNE</label>
<input class="checkbox-mp" name="checkbox-h-84" id="checkbox-h-84" type="checkbox">
<label for="checkbox-h-84">JOHNSON</label>
<input class="checkbox-mp" name="checkbox-h-85" id="checkbox-h-85" type="checkbox">
<label for="checkbox-h-85">FRIST</label>
<input class="checkbox-mp" name="checkbox-h-86" id="checkbox-h-86" type="checkbox">
<label for="checkbox-h-86">ALEXANDER</label>
<input class="checkbox-mp" name="checkbox-h-87" id="checkbox-h-87" type="checkbox">
<label for="checkbox-h-87">CORNYN</label>
<input class="checkbox-mp" name="checkbox-h-88" id="checkbox-h-88" type="checkbox">
<label for="checkbox-h-88">HUTCHISON</label>
<input class="checkbox-mp" name="checkbox-h-89" id="checkbox-h-89" type="checkbox">
<label for="checkbox-h-89">BENNETT</label>
<input class="checkbox-mp" name="checkbox-h-90" id="checkbox-h-90" type="checkbox">
<label for="checkbox-h-90">HATCH</label>
<input class="checkbox-mp" name="checkbox-h-91" id="checkbox-h-91" type="checkbox">
<label for="checkbox-h-91">JEFFORDS</label>
<input class="checkbox-mp" name="checkbox-h-92" id="checkbox-h-92" type="checkbox">
<label for="checkbox-h-92">LEAHY</label>
<input class="checkbox-mp" name="checkbox-h-93" id="checkbox-h-93" type="checkbox">
<label for="checkbox-h-93">ALLEN</label>
<input class="checkbox-mp" name="checkbox-h-94" id="checkbox-h-94" type="checkbox">
<label for="checkbox-h-94">WARNER</label>
<input class="checkbox-mp" name="checkbox-h-95" id="checkbox-h-95" type="checkbox">
<label for="checkbox-h-95">CANTWELL</label>
<input class="checkbox-mp" name="checkbox-h-96" id="checkbox-h-96" type="checkbox">
<label for="checkbox-h-96">MURRAY</label>
<input class="checkbox-mp" name="checkbox-h-97" id="checkbox-h-97" type="checkbox">
<label for="checkbox-h-97">BYRDROBER</label>
<input class="checkbox-mp" name="checkbox-h-98" id="checkbox-h-98" type="checkbox">
<label for="checkbox-h-98">ROCKEFELLER</label>
<input class="checkbox-mp" name="checkbox-h-99" id="checkbox-h-99" type="checkbox">
<label for="checkbox-h-99">FEINGOLD</label>
<input class="checkbox-mp" name="checkbox-h-100" id="checkbox-h-100" type="checkbox">
<label for="checkbox-h-100">KOHL</label>
<input class="checkbox-mp" name="checkbox-h-101" id="checkbox-h-101" type="checkbox">
<label for="checkbox-h-101">ENZI</label>
<input class="checkbox-mp" name="checkbox-h-102" id="checkbox-h-102" type="checkbox">
<label for="checkbox-h-102">THOMAS</label>
</fieldset>
</form>
</div> <!-- /additional-column -->
</div> <!-- /chart-content -->
<div class="description">
</div>
<script src="motion.js"></script>
<p>Method: weighted PCA; Time intervals: approx. 6 months (projection of approx. 6-month blocks into all data, time is only approximated in this example)</p>
<p>Using <a href="https://github.com/michalskop/mpv_motion">Models of parliamentary voting in motion</a></p>
</div> <!-- /content -->
</div><!-- /page -->
</body>
</html>
/*based on http://bost.ocks.org/mike/nations/ */
#chart {
margin-left: -40px;
}
text {
font: 10px sans-serif;
}
/*dots*/
.dot {
stroke: #000;
opacity: .5;
stroke-opacity: .75;
}
.highlighted {
stroke: #000;
stroke-opacity: 1;
stroke-width: 3;
opacity: 1;
}
/*axes*/
.axis path, .axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.label {
fill: #777;
}
/*year*/
.year.label {
font: 500 100px "Helvetica Neue";
fill: #ddd;
}
.year.label.active {
fill: #aaa;
}
.overlay {
fill: none;
pointer-events: all;
cursor: ew-resize;
}
/*layout of chart and checkboxes of mps*/
.chart-content {
min-height: 460px;
}
.additional-column {
max-height: 460px;
/* from http://stackoverflow.com/questions/5715705/always-show-vertical-scrollbar-in-select */
overflow-x: hidden;
}
#slider-form {
width:80%;
float:right;
}
/*computer*/
@media all and (min-width: 770px){
.additional-column {
text-align: right;
float: right;
width: 25%;
background: none;
}
.main-column {
width: 70%;
float: left;
margin-top: 30px;
margin-right: 1%;
padding-right: 1%;
}
}
/*tooltips*/
/* http://www.d3noob.org/2013/01/adding-tooltips-to-d3js-graph.html */
/* alternative, was not able to use it: bl.ocks.org/ilyabo/1373263 */
div.tooltip {
position: absolute;
text-align: center;
width: 10em;
height: 2.5em;
padding: 2px;
font: .8em sans-serif;
background: lightsteelblue;
border: 0px;
border-radius: 8px;
pointer-events: none;
}
// Various accessors that specify the four dimensions of data to visualize.
function x(d) { return d.d1; }
function y(d) { return d.d2; }
function z(d) { return d.d3; }
function radius(d) {
/*if (("#"+d.id).length > 0) {
return 2;
} else */
return 1;
}
function color(d) { return d.color; }
function mid(d) { return d.id; }
function key(d) { return d.id; }
function display(d) { return d.display;}
function mname(d) {return d.name;}
// Chart dimensions.
var margin = {top: 19.5, right: 19.5, bottom: 19.5, left: 39.5},
width = parameters.width - margin.right,
height = parameters.height - margin.top - margin.bottom;
// Various scales. These domains make assumptions of data, naturally.
var xScale = d3.scale.linear().domain([parameters.xscale[0], parameters.xscale[1]]).range([0, width]),
yScale = d3.scale.linear().domain([parameters.yscale[0], parameters.yscale[1]]).range([height, 0]),
radiusScale = d3.scale.sqrt().domain([0, 1]).range([0, 10]);
//colorScale = d3.scale.category10();
var colorScale = d3.scale.category20c();
// The x & y axes.
var xAxis = d3.svg.axis().orient("bottom").scale(xScale).ticks(12, d3.format(",d")),
yAxis = d3.svg.axis().scale(yScale).orient("left");
// Create the SVG container and set the origin.
var svg = d3.select("#chart svg") //d3.select("#chart").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// Add the x-axis.
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
// Add the y-axis.
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
// Add an x-axis label.
svg.append("text")
.attr("class", "x label")
.attr("text-anchor", "end")
.attr("x", width)
.attr("y", height - 6)
.text("Dimension 1");
// Add a y-axis label.
svg.append("text")
.attr("class", "y label")
.attr("text-anchor", "end")
.attr("y", 6)
.attr("dy", ".75em")
.attr("transform", "rotate(-90)")
.text("Dimension 2");
// Add the year label; the value is set on transition.
tmp_month = Math.ceil((parameters.start - Math.floor(parameters.start))*12);
tmp_year = Math.floor(parameters.start) + '/' + tmp_month;
var label = svg.append("text")
.attr("class", "year label")
.attr("text-anchor", "end")
.attr("y", height - 24)
.attr("x", width)
.text(tmp_year);
var formatTime = d3.time.format("%e %B");
var div = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);
// Load the data.
d3.json(parameters.data, function(nations) {
// A bisector since many nation's data is sparsely-defined.
var bisect = d3.bisector(function(d) { return d[0]; });
// Add a dot per nation. Initialize the data at 1800, and set the colors.
var dot = svg.append("g")
.attr("class", "dots")
.selectAll(".dot")
.data(interpolateData(parameters.start)) //here we set up the dots at the beggining
.enter().append("circle")
.attr("class", "dot")
//.attr("id",function(d) {return "dot-"+key(d)}) //wrong!, shall be in position() and interpolateData
.call(position)
.call(checkCheckboxes)
.sort(order)
.on("mouseover", showTooltip)
.on("mouseout", hideTooltip)
.on("mousedown", switchHighlight);
/*FF keeps the checkboxes on reload, so we need to check them at the beginning*/
function checkCheckboxes() {
$(".checkbox-mp").each(function(i) {
a = $(this).attr('id').split('-');
id = a[a.length-1];
if ($('#checkbox-h-'+id).prop('checked'))
highlight($('#dot-'+id));
});
}
//switch highligth
function switchHighlight(d) {
a = d.id.split('-');
id = a[a.length-1];
if ($('#'+d.id).attr("class") == 'dot') {
highlight($('#'+d.id));
$("input#checkbox-h-"+id).attr("checked",true).checkboxradio("refresh");
} else {
dehighlight($('#'+d.id));
$("input#checkbox-h-"+id).attr("checked",false).checkboxradio("refresh");
}
}
// show/hide tooltip
function showTooltip(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div .html(d.name + "<br/>" + d.group)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
}
function hideTooltip(d) {
div.transition()
.duration(500)
.style("opacity", 0)
}
var i=0;
var playing = false;
$("#play").click(function() {
if(playing === false) {
startPlaying();
} else {
stopPlaying();
}
});
function startPlaying() {
playing = true;
$("#playText").html("Stop ||");
$('#slider').slider('disable');
// Start a transition that interpolates the data based on year.
svg.transition()
.duration(30000*(parameters.untilchart-parseFloat($('#slider').val()))/(parameters.untilchart-parameters.sincechart+0.0001))
.ease("linear")
.tween("year", function() {return tweenYear($('#slider').val()) })
.each("end", stopPlaying);
}
function stopPlaying() {
playing = false;
$("#playText").html("Play >");
svg.transition().duration(0);
$('#slider').slider('enable');
}
// Positions the dots based on data.
function position(dot) {
dot .attr("cx", function(d) { return xScale(x(d)); })
.attr("cy", function(d) { return yScale(y(d)); })
.attr("r", function(d) { return radiusScale(radius(d)) })
.attr("id", function(d) {return mid(d);})
.style("fill", function (d) { return gradient(color(d)) })
.attr("display", function (d) { return display(d);})
.attr("title", function (d) {return mname(d);});
}
// Defines a sort order so that the smallest dots are drawn on top.
function order(a, b) {
return radius(b) - radius(a);
}
// Tweens the entire chart by first tweening the year, and then the data.
// For the interpolated data, the dots and label are redrawn.
function tweenYear(start) {
//if ((parseFloat(start)+0.01) >= parameters.untilchart) start=parameters.sincechart;
var year = d3.interpolateNumber(parseFloat(start),parameters.untilchart);
return function(t) { displayYear(year(t)); };
}
// Updates the display to show the specified year.
function displayYear(year) {
dot.data(interpolateData(year), key).call(position).sort(order);
month = Math.ceil((year - Math.floor(year))*12);
label.text(Math.floor(year) + '/' + month);
i++;
if ((i%25) == 0) { //to prevent jumping and for speed of animation -> "25"
$("#slider").val(year);
$('#slider').slider('refresh');
}
}
// Interpolates the dataset for the given (fractional) year.
function interpolateData(year) {
return nations.map(function(d) {
return {
name: d.name,
id: "dot-"+d.id,
d1: interpolateValues(d.d1, year),
d2: interpolateValues(d.d2, year),
color: findColor(d.color, year, true),
display: isDisplayed(d.d1, year),
title: d.name,
group: findColor(d.color, year, false)
};
});
}
// Finds (and possibly interpolates) the value for the specified year.
function interpolateValues(values, year) {
var i = bisect.left(values, year, 0, values.length - 1),
a = values[i];
if (i > 0) {
var b = values[i - 1],
t = (year - a[0]) / (b[0] - a[0]);
return a[1] * (1 - t) + b[1] * t;
}
return a[1];
}
function findColor(values, year, color) {
var i = bisect.left(values, year, 0, values.length - 1);
if (color)
return values[i][2];
else
return values[i][1];
}
function isDisplayed(values, year) {
if ( (year < values[0][0]) || (year > values[values.length - 1][0]))
return 'none';
else
return 'inherit';
}
function highlight(d) {
d.attr("class","dot highlighted");
//d.addClass("highlight"); we cannot use this, because http://bugs.jquery.com/ticket/10329
}
function dehighlight(d) {
d.attr('class','dot');
//d.removeClass("highlight"); we cannot use this, because http://bugs.jquery.com/ticket/10329
}
//checkboxes
$('.checkbox-mp').click (function () {
var thisCheck = $(this);
a = $(this).attr('id').split('-');
id = a[a.length-1];
if (thisCheck.is (':checked')) {
highlight($("#dot-"+id));
} else {
dehighlight($("#dot-"+id));
}
});
//slider
//see http://michalskop.tumblr.com/post/37352195911/strange-behaviour-of-jquery-change
$('#slider').ready(function() {
$('#slider').change(function(){
displayYear($(this).val());
});
});
//color gradients
//http://dexvis.wordpress.com/2012/12/25/motion-charts-revisited/
function shadeColor(color, percent) {
var R = parseInt(color.substring(1,3),16)
var G = parseInt(color.substring(3,5),16)
var B = parseInt(color.substring(5,7),16);
R = parseInt(R * (100 + percent) / 100);
G = parseInt(G * (100 + percent) / 100);
B = parseInt(B * (100 + percent) / 100);
R = (R<255)?R:255;
G = (G<255)?G:255;
B = (B<255)?B:255;
var RR = ((R.toString(16).length==1)?"0"+R.toString(16):R.toString(16));
var GG = ((G.toString(16).length==1)?"0"+G.toString(16):G.toString(16));
var BB = ((B.toString(16).length==1)?"0"+B.toString(16):B.toString(16));
return "#"+RR+GG+BB;
}
function gradient(baseColor)
{
var gradientId = "gradient" + baseColor.substring(1)
console.log("COLOR: " + gradientId);
//var lightColor = shadeColor(baseColor, -10)
var darkColor = shadeColor(baseColor, -20)
var grad = d3.select("#gradients").selectAll("#" + gradientId)
.data([ gradientId ])
.enter()
.append("radialGradient")
.attr("id", gradientId)
.attr("gradientUnits", "objectBoundingBox")
.attr("fx", "30%")
.attr("fy", "30%")
grad.append("stop")
.attr("offset", "0%")
.attr("style", "stop-color:#FFFFFF")
// Middle
grad.append("stop")
.attr("offset", "40%")
.attr("style", "stop-color:" + baseColor)
// Outer Edges
grad.append("stop")
.attr("offset", "100%")
.attr("style", "stop-color:" + darkColor)
console.log("url(#" + gradientId + ")")
return "url(#" + gradientId + ")";
}
});
{"width":600,
"height":400,
"xscale":[-20,20],
"yscale":[-10,10],
"data":"us_congress_109_1h.json",
"start":2005.25,
"sincechart":2005.25,
"untilchart":2006.75
}