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February 12, 2017 01:31
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HW1 Chart3
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license: mit |
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Hour | Count | |
---|---|---|
0 | 527 | |
1 | 337 | |
2 | 278 | |
3 | 229 | |
4 | 147 | |
5 | 139 | |
6 | 231 | |
7 | 286 | |
8 | 424 | |
9 | 463 | |
10 | 536 | |
11 | 570 | |
12 | 725 | |
13 | 627 | |
14 | 642 | |
15 | 668 | |
16 | 744 | |
17 | 841 | |
18 | 833 | |
19 | 857 | |
20 | 703 | |
21 | 601 | |
22 | 611 | |
23 | 599 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.axis--x path { | |
display: none; | |
} | |
.line { | |
fill: none; | |
stroke: steelblue; | |
stroke-width: 1.5px; | |
} | |
.grid line { | |
stroke: lightgrey; | |
stroke-opacity: 0.7; | |
shape-rendering: crispEdges; | |
} | |
.grid path { | |
stroke-width: 0; | |
} | |
.area { | |
fill: lightsteelblue; | |
stroke-width: 0; | |
} | |
</style> | |
<svg width="960" height="500"></svg> | |
<script src="//d3js.org/d3.v4.min.js"></script> | |
<script> | |
var svg = d3.select("svg"), | |
margin = {top: 50, right: 80, bottom: 40, 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 x = d3.scaleLinear().range([0, width]), | |
y = d3.scaleLinear().range([height, 0]), | |
z = d3.scaleOrdinal(d3.schemeCategory10); | |
var line = d3.line() | |
.curve(d3.curveLinear) | |
.x(function(d) { return x(d.Hour); }) | |
.y(function(d) { return y(d.Count); }); | |
function make_x_gridlines() { | |
return d3.axisBottom(x) | |
.ticks(25) | |
} | |
function make_y_gridlines() { | |
return d3.axisLeft(y) | |
.ticks(7) | |
} | |
var area = d3.area() | |
.x(function(d) { return x(d.Hour); }) | |
.y1(function(d) { return y(d.Count); }); | |
d3.tsv("data.tsv", function(d){ | |
console.log(); | |
d.Count = +d.Count; | |
console.log(d.Count) | |
d.Hour = +d.Hour; | |
return d; | |
}, function(error, data) { | |
if (error) throw error; | |
x.domain(d3.extent(data, function(d) { return d.Hour; })); | |
y.domain([0, d3.max(data, function(d) {return d.Count; })]); | |
area.y0(y(0)); | |
g.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.axisBottom(x).ticks(25)); | |
g.append("g") | |
.attr("class", "axis axis--y") | |
.call(d3.axisLeft(y)) | |
g.append("text") | |
.attr("y", 0- margin.left) | |
.attr("x", 0 - (height/2)) | |
.attr("transform", "rotate(-90)") | |
.attr("dy", "0.71em") | |
.attr("fill", "#000") | |
.text("Number of Calls"); | |
g.append("g") | |
.attr("class", "grid") | |
.call(make_x_gridlines() | |
.tickSize(height) | |
.tickFormat("")) | |
g.append("g") | |
.attr("class", "grid") | |
.call(make_y_gridlines() | |
.tickSize(-width) | |
.tickFormat("")) | |
g.append("path") | |
.datum(data) | |
.attr("fill", "steelblue") | |
.attr("d", area); | |
g.append("text") | |
.attr("x", (width / 2)) | |
.attr("y", 0 - (margin.top / 2)) | |
.attr("text-anchor", "middle") | |
.style("font-size", "20px") | |
.style("font-family", "Times New Roman") | |
.text("SF PD Calls Per Hour in December"); | |
g.append("text") // text label for the x axis | |
.attr("x", (width / 2) ) | |
.attr("y", height + margin.bottom ) | |
.style("text-anchor", "middle") | |
.text("Hour"); | |
g.append("path") | |
.datum(data) | |
.attr("class", "area") | |
.attr("d", area); | |
}); | |
</script> | |
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