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index_orig.html
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index_orig.html
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<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
fill: steelblue;
}
.x.axis path {
display: none;
}
.tooltip{
text-anchor: middle;
font-family: sans-serif;
font-size: 10px;
font-weight: bold;
fill:black;
}
label {
position: absolute;
top: 222px;
right: 35px;
color: #D8D8D8;
}
</style>
<body>
<label><input type="checkbox"> CO2 Flux</label>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 460 - margin.left - margin.right,
height = 300 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.rangeRound([height, 0]);
var color = d3.scale.ordinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(d3.format(".2s"));
var svg = d3.select("body").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 + ")");
var active_link = "0"; //to control legend selections and hover
var legendClicked; //to control legend selections
var legendClassArray = []; //store legend classes to select bars in plotSingle()
var legendClassArray_orig = []; //orig (with spaces)
var sortDescending; //if true, bars are sorted by height in descending order
var restoreXFlag = false; //restore order of bars back to original
//disable sort checkbox
d3.select("label")
.select("input")
.property("disabled", true)
.property("checked", false);
d3.tsv("orca05.tsv", function(error, data) {
if (error) throw error;
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "RCLASS"; }));
data.forEach(function(d) {
var mystate = d.RCLASS; //add to stock code
var y0 = 0;
//d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; });
d.ages = color.domain().map(function(name) {
//return { mystate:mystate, name: name, y0: y0, y1: y0 += +d[name]}; });
return {
mystate:mystate,
name: name,
y0: y0,
y1: y0 += +d[name],
value: d[name],
y_corrected: 0
};
});
d.total = d.ages[d.ages.length - 1].y1;
});
//Sort totals in descending order
data.sort(function(a, b) { return b.total - a.total; });
x.domain(data.map(function(d) { return d.RCLASS; }));
y.domain([0, d3.max(data, function(d) { return d.total; })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end");
//.text("Population");
var state = svg.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) { return "translate(" + "0" + ",0)"; });
//.attr("transform", function(d) { return "translate(" + x(d.RCLASS) + ",0)"; })
height_diff = 0; //height discrepancy when calculating h based on data vs y(d.y0) - y(d.y1)
state.selectAll("rect")
.data(function(d) {
return d.ages;
})
.enter().append("rect")
.attr("width", x.rangeBand())
.attr("y", function(d) {
height_diff = height_diff + y(d.y0) - y(d.y1) - (y(0) - y(d.value));
y_corrected = y(d.y1) + height_diff;
d.y_corrected = y_corrected //store in d for later use in restorePlot()
if (d.name === "65 Years and Over") height_diff = 0; //reset for next d.mystate
return y_corrected;
// return y(d.y1); //orig, but not accurate
})
.attr("x",function(d) { //add to stock code
return x(d.mystate)
})
.attr("height", function(d) {
//return y(d.y0) - y(d.y1); //heights calculated based on stacked values (inaccurate)
return y(0) - y(d.value); //calculate height directly from value in csv file
})
.attr("class", function(d) {
classLabel = d.name.replace(/\s/g, ''); //remove spaces
return "bars class" + classLabel;
})
.style("fill", function(d) { return color(d.name); });
state.selectAll("rect")
.on("mouseover", function(d){
var delta = d.y1 - d.y0;
var xPos = parseFloat(d3.select(this).attr("x"));
var yPos = parseFloat(d3.select(this).attr("y"));
var height = parseFloat(d3.select(this).attr("height"))
d3.select(this).attr("stroke","blue").attr("stroke-width",0.8);
svg.append("text")
.attr("x",xPos)
.attr("y",yPos +height/2)
.attr("class","tooltip")
.text(d.name +": "+ delta);
})
.on("mouseout",function(){
svg.select(".tooltip").remove();
d3.select(this).attr("stroke","pink").attr("stroke-width",0.2);
})
var legend = svg.selectAll(".legend")
.data(color.domain().slice().reverse())
.enter().append("g")
.attr("class", function (d) {
legendClassArray.push(d.replace(/\s/g, '')); //remove spaces
legendClassArray_orig.push(d); //remove spaces
return "legend";
})
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
//reverse order to match order in which bars are stacked
legendClassArray = legendClassArray.reverse();
legendClassArray_orig = legendClassArray_orig.reverse();
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.style("fill", color)
.attr("id", function (d, i) {
return "id" + d.replace(/\s/g, '');
})
.on("mouseover",function(){
if (active_link === "0") d3.select(this).style("cursor", "pointer");
else {
if (active_link.split("class").pop() === this.id.split("id").pop()) {
d3.select(this).style("cursor", "pointer");
} else d3.select(this).style("cursor", "auto");
}
})
.on("click",function(d){
if (active_link === "0") { //nothing selected, turn on this selection
d3.select(this)
.style("stroke", "black")
.style("stroke-width", 2);
active_link = this.id.split("id").pop();
plotSingle(this);
//gray out the others
for (i = 0; i < legendClassArray.length; i++) {
if (legendClassArray[i] != active_link) {
d3.select("#id" + legendClassArray[i])
.style("opacity", 0.5);
} else sortBy = i; //save index for sorting in change()
}
//enable sort checkbox
d3.select("label").select("input").property("disabled", false)
d3.select("label").style("color", "black")
//sort the bars if checkbox is clicked
d3.select("input").on("change", change);
} else { //deactivate
if (active_link === this.id.split("id").pop()) {//active square selected; turn it OFF
d3.select(this)
.style("stroke", "none");
//restore remaining boxes to normal opacity
for (i = 0; i < legendClassArray.length; i++) {
d3.select("#id" + legendClassArray[i])
.style("opacity", 1);
}
if (d3.select("label").select("input").property("checked")) {
restoreXFlag = true;
}
//disable sort checkbox
d3.select("label")
.style("color", "#D8D8D8")
.select("input")
.property("disabled", true)
.property("checked", false);
//sort bars back to original positions if necessary
change();
//y translate selected category bars back to original y posn
restorePlot(d);
active_link = "0"; //reset
}
} //end active_link check
});
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "start")
.text(function(d) { return d; });
// restore graph after a single selection
function restorePlot(d) {
//restore graph after a single selection
d3.selectAll(".bars:not(.class" + class_keep + ")")
.transition()
.duration(1000)
.delay(function() {
if (restoreXFlag) return 3000;
else return 750;
})
.attr("width", x.rangeBand()) //restore bar width
.style("opacity", 1);
//translate bars back up to original y-posn
d3.selectAll(".class" + class_keep)
.attr("x", function(d) { return x(d.mystate); })
.transition()
.duration(1000)
.delay(function () {
if (restoreXFlag) return 2000; //bars have to be restored to orig posn
else return 0;
})
.attr("y", function(d) {
//return y(d.y1); //not exactly correct since not based on raw data value
return d.y_corrected;
});
//reset
restoreXFlag = false;
}
// plot only a single legend selection
function plotSingle(d) {
class_keep = d.id.split("id").pop();
idx = legendClassArray.indexOf(class_keep);
//erase all but selected bars by setting opacity to 0
d3.selectAll(".bars:not(.class" + class_keep + ")")
.transition()
.duration(1000)
.attr("width", 0) // use because svg has no zindex to hide bars so can't select visible bar underneath
.style("opacity", 0);
//lower the bars to start on x-axis
state.selectAll("rect").forEach(function (d, i) {
//get height and y posn of base bar and selected bar
h_keep = d3.select(d[idx]).attr("height");
y_keep = d3.select(d[idx]).attr("y");
h_base = d3.select(d[0]).attr("height");
y_base = d3.select(d[0]).attr("y");
h_shift = h_keep - h_base;
y_new = y_base - h_shift;
//reposition selected bars
d3.select(d[idx])
.transition()
.ease("bounce")
.duration(1000)
.delay(750)
.attr("y", y_new);
})
}
//adapted change() fn in http://bl.ocks.org/mbostock/3885705
function change() {
if (this.checked) sortDescending = true;
else sortDescending = false;
colName = legendClassArray_orig[sortBy];
var x0 = x.domain(data.sort(sortDescending
? function(a, b) { return b[colName] - a[colName]; }
: function(a, b) { return b.total - a.total; })
.map(function(d,i) { return d.RCLASS; }))
.copy();
state.selectAll(".class" + active_link)
.sort(function(a, b) {
return x0(a.mystate) - x0(b.mystate);
});
var transition = svg.transition().duration(750),
delay = function(d, i) { return i * 20; };
//sort bars
transition.selectAll(".class" + active_link)
.delay(delay)
.attr("x", function(d) {
return x0(d.mystate);
});
//sort x-labels accordingly
transition.select(".x.axis")
.call(xAxis)
.selectAll("g")
.delay(delay);
transition.select(".x.axis")
.call(xAxis)
.selectAll("g")
.delay(delay);
}
});
</script>