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barOffsets.html
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<html>
<head>
<title>Bar Offsets</title>
<link href="bootstrap-3.2.0-dist/css/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
body {
font: 14px sans-serif;
}
input {
border-top: 0;
border-left: 0;
border-right: 0;
text-align: center;
font: 16px;
width: 60px;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.line {
fill: none;
stroke-width: 2px;
}
.line.disk{
stroke:#000;
}
.line.bar{
stroke:#FF9933;
}
.overlay {
fill: none;
pointer-events: all;
}
.focus circle {
fill: none;
stroke: steelblue;
}
.focus line {
stroke: purple;
shape-rendering: crispEdges;
}
.focus line.dist {
stroke: purple;
opacity: 1;
stroke-width: 2px;
}
.legend rect {
fill:white;
stroke:black;
opacity:0.8;}
}
</style>
</head>
<body>
<div id='chart'></div>
<div class="col-md-1" id="disk">
Halo Type:
<select name="aa" onchange="update(this.value, _angle)">
<option value="HernOffsets.csv">Hernquist</option>
<option value="DehnenOffsets.csv">Dehnen</option>
</select>
</div>
<div class="col-md-2" id="disk">
Orbital Angle:
<select name="bb" onchange="update(_file, this.value)">
<option value="45deg">Theta = 45</option>
<option value="90deg">Theta = 90</option>
<option value="0deg">Theta = 0, prograde</option>
<option value="0deg_retro">Theta = 0, retrograde</option>
</select>
</div>
<h4>Based on code from: <a href="http://bl.ocks.org/gniemetz/4618602">gniemtez</a> and <a href="http://bl.ocks.org/ZJONSSON/3918369">ZJONSSON</a> among others.</h4>
</body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="./d3.legend.js"></script>
<script type="text/javascript" src="./d3.slider.js"></script>
<script type="text/javascript">
var margin = {
left:100,
right:30,
top:70,
bottom:50
}
var width = 960-margin.left-margin.right;
var height = 500-margin.top-margin.bottom;
var x = d3.scale.linear()
.domain([0.0, 4.0])
.range([0, width]);
var y = d3.scale.linear()
.range([height, 0])
.domain([0, 3]);
var lineDisk = d3.svg.line()
.x(function(d) { return x(d.times); })
.y(function(d) { return y(d.diskDist); });
var lineBar = d3.svg.line()
.x(function(d) { return x(d.times); })
.y(function(d) { return y(d.barDist); });
var xAxis = d3.svg.axis().scale(x).orient("bottom");
var bisectTime = d3.bisector(function(d) { return d.times; }).left;
var svg = d3.select('#chart')
.append('svg')
.attr('height', height+margin.bottom+margin.top)
.attr('width', width+margin.left+margin.right)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.bottom + ")");
svg.append("g")
.attr("class","x axis")
.attr("transform", "translate(0," + (height) + ")")
.call(xAxis);
svg.append("text") // text label for the x axis
.attr("transform",
"translate(" + (width/2) + " ," +
(height+margin.bottom)+ ")")
.style("text-anchor", "middle")
.style("Font-size", "20px")
.text("Time [Gyr]");
var _angle = "45deg";
var _file = 'HernOffsets.csv';
var focus = svg.append("g")
.attr("class", "focus")
.style("display", "none");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
svg.selectAll(".y.axis").remove();
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(1," + (0) + ")")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", (-margin.left+10))
.attr("x", (-height/2))
.attr("dy", "1em")
.style("text-anchor", "middle")
.style("Font-size", "20px")
.text("Distance from Halo Center [kpc]");
function render(filename, angle){
_angle = angle;
_file = filename;
d3.csv(filename, function(error, dataset) {
data = dataset.map(function(d)
{
times = parseFloat(d["stars90degtime"])
diskDist = parseFloat(d["stars"+angle+"diskDist"])
barDist = parseFloat(d["stars"+angle+"barDist"])
return {"times": times, "diskDist": diskDist, "barDist": barDist};
});
svg.selectAll(".line").remove();
var lines = svg.selectAll(".line").data([data]).attr("class","line");
lines.enter().append("path")
.attr("class","line disk")
.attr("data-legend","Disk")
.attr("d",lineDisk);
lines.enter().append("path")
.attr("class","line bar")
.attr("data-legend","Bar")
.attr("d",lineBar);
focus.append("line")
.attr("class", "dist")
.attr("x1", 0)
.attr("x2", 0)
.attr("y1", 0)
.attr("y2", 0);
focus.append("circle")
.attr("class", "disk")
.attr("r", 4.5);
focus.append("circle")
.attr("class", "bar")
.attr("r", 4.5);
focus.append("text")
.attr("x", 9)
.attr("dy", ".35em");
svg.append("rect")
.attr("class", "overlay")
.attr("width", width)
.attr("height", height)
.on("mouseover", function() { focus.style("display", null); })
.on("mouseout", function() { focus.style("display", "none"); })
.on("mousemove", mousemove);
legend = svg.append("g")
.attr("class","legend")
.attr("transform","translate("+(width-margin.right)+","+margin.top+")")
.style("font-size","14px")
.call(d3.legend);
});
};
render(_file, _angle);
function update(filename, angle){
_angle = angle;
_file = filename;
d3.csv(filename, function(error, dataset) {
data = dataset.map(function(d)
{
times = parseFloat(d["stars90degtime"])
diskDist = parseFloat(d["stars"+angle+"diskDist"])
barDist = parseFloat(d["stars"+angle+"barDist"])
return {"times": times, "diskDist": diskDist, "barDist": barDist};
});
var bar_line = svg.selectAll(".line.bar").data([data]).transition();
var disk_line = svg.selectAll(".line.disk").data([data]).transition();
bar_line.duration(750)
.attr("d", lineBar);
disk_line.duration(750)
.attr("d", lineDisk);
});
};
function mousemove() {
var x0 = x.invert(d3.mouse(this)[0]),
i = bisectTime(data, x0, 1),
d0 = data[i - 1],
d1 = data[i],
d = x0 - d0.times > d1.times - x0 ? d1 : d0;
focus.select("circle.disk").attr("transform", "translate(" + x(d.times) + "," + y(d.diskDist) + ")");
focus.select("circle.bar").attr("transform", "translate(" + x(d.times) + "," + y(d.barDist) + ")");
focus.select("text").text((d.diskDist-d.barDist).toFixed(2));
focus.select("text").attr("transform", "translate(" + x(d.times) + "," +
y((d.diskDist+d.barDist)/2.) + ")");
focus.select("line.dist").attr("transform", "translate(" + x(d.times) + ", 0)");
focus.select("line.dist").attr("y1", y(d.barDist)).attr("y2", y(d.diskDist));
};
</script>
</html>