|
<!DOCTYPE html> |
|
<html> |
|
|
|
<head> |
|
<meta charset="utf-8"> |
|
</head> |
|
<style> |
|
.line { |
|
fill: none; |
|
stroke: steelblue; |
|
stroke-width: 1.5px; |
|
} |
|
|
|
.selected { |
|
opacity: 0.3; |
|
} |
|
</style> |
|
|
|
<body> |
|
<svg width="960" height="500"></svg> |
|
<script src="https://d3js.org/d3.v4.min.js"></script> |
|
<script> |
|
var svg = d3.select("svg"), |
|
margin = { |
|
top: 20, |
|
right: 80, |
|
bottom: 30, |
|
left: 50 |
|
}, |
|
width = svg.attr("width") - margin.left - margin.right, |
|
height = svg.attr("height") - margin.top - margin.bottom, |
|
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
|
|
|
var parseTime = d3.timeParse("%Y%m%d"); |
|
|
|
var x = d3.scaleTime().range([0, width]), |
|
y = d3.scaleLinear().range([height, 0]), |
|
z = d3.scaleOrdinal(d3.schemeCategory10); |
|
|
|
var line = d3.line() |
|
.curve(d3.curveBasis) |
|
.x(function(d) { |
|
return x(d.date); |
|
}) |
|
.y(function(d) { |
|
return y(d.temperature); |
|
}); |
|
|
|
d3.tsv("data.tsv", type, function(error, data) { |
|
if (error) throw error; |
|
|
|
var cities = data.columns.slice(1).map(function(id) { |
|
return { |
|
id: id, |
|
values: data.map(function(d) { |
|
return { |
|
date: d.date, |
|
temperature: d[id] |
|
}; |
|
}) |
|
}; |
|
}); |
|
|
|
x.domain(d3.extent(data, function(d) { |
|
return d.date; |
|
})); |
|
|
|
y.domain([ |
|
d3.min(cities, function(c) { |
|
return d3.min(c.values, function(d) { |
|
return d.temperature; |
|
}); |
|
}), |
|
d3.max(cities, function(c) { |
|
return d3.max(c.values, function(d) { |
|
return d.temperature; |
|
}); |
|
}) |
|
]); |
|
|
|
z.domain(cities.map(function(c) { |
|
return c.id; |
|
})); |
|
|
|
g.append("g") |
|
.attr("class", "axis axis--x") |
|
.attr("transform", "translate(0," + height + ")") |
|
.call(d3.axisBottom(x)); |
|
|
|
g.append("g") |
|
.attr("class", "axis axis--y") |
|
.call(d3.axisLeft(y)) |
|
.append("text") |
|
.attr("transform", "rotate(-90)") |
|
.attr("y", 6) |
|
.attr("dy", "0.71em") |
|
.attr("fill", "#000") |
|
.text("Temperature, ºF"); |
|
|
|
var city = g.selectAll(".city") |
|
.data(cities) |
|
.enter().append("g") |
|
.attr("class", "city"); |
|
|
|
city.append("path") |
|
.attr("class", "line") |
|
.attr("d", function(d) { |
|
return line(d.values); |
|
}) |
|
.style("stroke", function(d) { |
|
return z(d.id); |
|
}); |
|
|
|
city.append("text") |
|
.datum(function(d) { |
|
return { |
|
id: d.id, |
|
value: d.values[d.values.length - 1] |
|
}; |
|
}) |
|
.attr("transform", function(d) { |
|
return "translate(" + x(d.value.date) + "," + y(d.value.temperature) + ")"; |
|
}) |
|
.attr("x", 3) |
|
.attr("dy", "0.35em") |
|
.style("font", "10px sans-serif") |
|
.text(function(d) { |
|
return d.id; |
|
}) |
|
.on("click", function(outer) { |
|
console.log(outer.id) |
|
console.log(d3.select(this.parentNode).select("path")); |
|
var me = d3.select(this); |
|
var on = me.classed("on"); |
|
console.log(on); |
|
|
|
// if not active make active and filter |
|
if (on) { |
|
d3.select(this.parentNode) |
|
.select("path") |
|
.transition() |
|
.style("opacity", 0) |
|
.on("end", function(d) { |
|
d3.select(this).style("visibility", "hidden"); |
|
}); |
|
} else { |
|
// unhide all of the lines |
|
d3.select(this.parentNode) |
|
.selectAll("path") |
|
.style("visibility", "visible") |
|
.transition() |
|
.style("opacity", 1); |
|
} |
|
|
|
me.classed("on", !on); |
|
}).on("mouseover", function() { |
|
|
|
d3.select(this.parentNode.parentNode).selectAll("path").classed("selected", true); |
|
|
|
let path = d3.select(this.parentNode).select("path"); |
|
path.classed("selected", false); |
|
this.parentNode.parentNode.appendChild(this.parentNode); |
|
}) |
|
.on("mouseout", function() { |
|
|
|
d3.select(this.parentNode.parentNode).selectAll("path").each(function(d, i) { |
|
if (d3.select(this).classed("selected")) { |
|
d3.select(this).classed("selected", false); |
|
} else { |
|
d3.select(this).classed("selected", true); |
|
} |
|
}); |
|
}); |
|
}); |
|
|
|
function type(d, _, columns) { |
|
d.date = parseTime(d.date); |
|
for (var i = 1, n = columns.length, c; i < n; ++i) d[c = columns[i]] = +d[c]; |
|
return d; |
|
} |
|
</script> |
|
</body> |
|
|
|
</html> |