-
Notifications
You must be signed in to change notification settings - Fork 0
/
pa1.html
280 lines (265 loc) · 11.4 KB
/
pa1.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>CS164: Language Popularity</title>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script src="underscore-min.js" charset="utf-8"></script>
<script>
d3.json("http://localhost:8888/data.json", function(dataset) {
/* All relevant constants */
var R = 5,
TRANS = 500,
INITIAL = true;
var margin = {top: 5, right: R + 70, bottom: 40, left: 60};
var W = 1200 - margin.left - margin.right,
H = 600 - margin.top - margin.bottom;
/* SVG element */
var svgbody = d3.select("body")
.append("svg")
.attr("width", W + margin.left + margin.right)
.attr("height", H + margin.top + margin.bottom);
/* Define arrow markers */
svgbody.append("defs").append("marker")
.attr("id", "arrow")
.attr("viewBox", "0 0 12 12")
.attr("markerWidth", 12)
.attr("markerHeight", 12)
.attr("orient", "auto")
.attr("refX", 6)
.attr("refY", 5)
.append("path")
.attr("d", "M1,1 L7,5 L1,9")
.attr("class", "arrowpath");
var svg = svgbody.append("g")
.attr("transform", "translate(" + margin.left + ", " + margin.top + ")");
/* Prepare axes */
var xaxis_container = svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0, " + H + ")");
var yaxis_container = svg.append("g")
.attr("class", "axis");
/* Axis labels */
svg.append("text")
.attr("x", W/2)
.attr("y", H -margin.top + margin.bottom)
.attr("class", "axislabel")
.text("Year created");
svg.append("text")
.attr("x", -H/2)
.attr("y", -45)
.attr("transform", "rotate(-90)")
.attr("class", "axislabel")
.text("# GitHub Repos");
/* Renders points and axes based on dataset parameter */
function render(dataset) {
var yrange = d3.extent(dataset, function(d) { return d.year; }),
rrange = d3.extent(dataset, function(d) { return d.nbRepos; });
var yscale = d3.scale.linear()
.domain([yrange[0]-1, yrange[1]+1])
.range([0, W]),
rscale = d3.scale.log()
.domain([rrange[0]/1.5, rrange[1]*1.5])
.range([H, 0]);
var xaxis = d3.svg.axis()
.scale(yscale)
.orient("bottom")
.tickFormat(d3.format("d")),
yaxis = d3.svg.axis()
.scale(rscale)
.orient("left")
.ticks(5);
/* Generate "influenced" graph edges */
var links = [], languages = {};
dataset.forEach(function(datum) {
languages[datum.name] = [datum.name, datum.year, datum.nbRepos];
});
dataset.forEach(function(datum) {
datum.influenced.forEach(function(lang) {
if (lang in languages) {
var langinfo;
if (languages[datum.name][1] < languages[lang][1]) {
langinfo = [languages[datum.name], languages[lang]];
} else {
langinfo = [languages[lang], languages[datum.name]];
}
links.push(langinfo);
}
});
});
/* Prepare visualization elements */
var circle = svg.selectAll("circle")
.data(dataset, function(d) { return d.name; }),
text = svg.selectAll(".pointlabel")
.data(dataset, function(d) { return d.name; }),
links = svg.selectAll(".link")
.data(links, function(d) { return d[0][0] + " " + d[1][0]; });
d3.transition()
.duration(INITIAL ? 0 : TRANS)
.each(function() { // Removing nodes phase
circle.exit()
.transition()
.style("opacity", 0)
.remove();
text.exit()
.transition()
.style("opacity", 0)
.remove();
links.exit()
.transition()
.style("opacity", 0)
.remove();
})
.transition()
.duration(TRANS)
.each(function() { // Moving nodes/links/axes phase
xaxis_container.call(xaxis);
yaxis_container.call(yaxis);
links.transition()
.attr("marker-mid", "url(#arrow)")
.attr("d", function(d) {
var x1 = yscale(d[0][1]),
y1 = rscale(d[0][2]),
x2 = yscale(d[1][1]),
y2 = rscale(d[1][2]);
var moveto = "M"+x1+" "+y1,
lineto = "L"+(x1+x2)/2+" "+(y1+y2)/2,
endat = "L"+x2+" "+y2;
return moveto + lineto + endat;
});
circle.transition()
.attr("cx", function(d) { return yscale(d.year); })
.attr("cy", function(d) { return rscale(d.nbRepos); })
.attr("r", R);
text.transition()
.text(function(d) { return d.name; })
.attr("x", function(d) { return yscale(d.year) + R; })
.attr("y", function(d) { return rscale(d.nbRepos) - R; });
})
.transition()
.duration(TRANS)
.each(function() { // Adding nodes phase
INITIAL = false;
links.enter()
.append("path")
.style("opacity", 0)
.transition()
.style("opacity", 0.8)
.attr("class", "link")
.attr("marker-mid", "url(#arrow)")
.attr("d", function(d) {
var x1 = yscale(d[0][1]),
y1 = rscale(d[0][2]),
x2 = yscale(d[1][1]),
y2 = rscale(d[1][2]);
var moveto = "M"+x1+" "+y1,
lineto = "L"+(x1+x2)/2+" "+(y1+y2)/2,
endat = "L"+x2+" "+y2;
return moveto + lineto + endat;
});
circle.enter()
.append("circle")
.style("opacity", 0)
.transition()
.style("opacity", 1)
.attr("cx", function(d) { return yscale(d.year); })
.attr("cy", function(d) { return rscale(d.nbRepos); })
.attr("r", R);
text.enter()
.append("text")
.style("opacity", 0)
.transition()
.style("opacity", 1)
.attr("class", "pointlabel")
.text(function(d) { return d.name; })
.attr("x", function(d) { return yscale(d.year) + R; })
.attr("y", function(d) { return rscale(d.nbRepos) - R; });
});
}
/* end function render(dataset) */
/* <select> element configuration */
var select = d3.select("select")
.property("value", "Any paradigm");
select.selectAll("option")
.data(getParadigms(dataset))
.enter()
.append("option")
.text(function(d) { return d; });
select.on("change", function() {
var paradigm = select.property("value");
if (paradigm === "Any paradigm") { render(dataset); return; }
var filtered = _.filter(dataset, function(datum) {
return _.contains(datum.paradigms, paradigm);
});
render(filtered);
});
/* Initial data rendering */
render(dataset);
});
/* end function d3.json() */
/* Returns array of all paradigms in the dataset with no duplicates. */
function getParadigms(dataset) {
collection = _.map(dataset, function(datum) { return datum.paradigms; });
flattened = _.flatten(collection);
return ["Any paradigm"].concat(_.uniq(flattened));
}
</script>
<style>
#title {
position: absolute;
font-family: serif;
font-size: 20px;
}
#subtitle {
position: absolute;
left: 480px;
top: 12px;
font-family: serif;
font-size: 16px;
color: gray;
}
svg {
position: absolute;
top: 50px;
}
select {
position: absolute;
left: 900px;
}
text {
font-family: sans-serif;
font-size: 12px;
}
.axislabel {
font-weight: bold;
}
.axis path,
.axis line {
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
circle,
.pointlabel {
fill: #003a70;
}
.link {
stroke: #fdb515;
stroke-width: 0.8;
}
#arrow {
stroke: #ff6600;
stroke-width: 2;
fill: none;
}
.arrowpath {
}
</style>
</head>
<body>
<span id="title">Programming languages by paradigm: Age vs. Popularity</span>
<span id="subtitle">(arrowheads are at midpoint of corresponding "influence" link)</span>
<select id="paradigmSelect">
</select>
</body>
</html>