-
Notifications
You must be signed in to change notification settings - Fork 66
/
basic.html
129 lines (109 loc) · 2.88 KB
/
basic.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
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
text-align: center;
}
svg {
margin-top: 32px;
border: 1px solid #aaa;
}
.person rect {
fill: #fff;
stroke: steelblue;
stroke-width: 1px;
}
.person {
font: 14px sans-serif;
}
.link {
fill: none;
stroke: #ccc;
stroke-width: 1.5px;
}
</style>
<body>
<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script>
var boxWidth = 150,
boxHeight = 40;
// Setup zoom and pan
var zoom = d3.behavior.zoom()
.scaleExtent([.1,1])
.on('zoom', function(){
svg.attr("transform", "translate(" + d3.event.translate + ") scale(" + d3.event.scale + ")");
})
// Offset so that first pan and zoom does not jump back to the origin
.translate([150, 200]);
var svg = d3.select("body").append("svg")
.attr('width', 1000)
.attr('height', 500)
.call(zoom)
.append('g')
// Left padding of tree so that the whole root node is on the screen.
// TODO: find a better way
.attr("transform", "translate(150,200)");
var tree = d3.layout.tree()
// Using nodeSize we are able to control
// the separation between nodes. If we used
// the size parameter instead then d3 would
// calculate the separation dynamically to fill
// the available space.
.nodeSize([100, 200])
// By default, cousins are drawn further apart than siblings.
// By returning the same value in all cases, we draw cousins
// the same distance apart as siblings.
.separation(function(){
return .5;
})
// Tell d3 what the child nodes are. Remember, we're drawing
// a tree so the ancestors are child nodes.
.children(function(person){
return person._parents;
});
d3.json('data/4gens.json', function(error, json){
if(error) {
return console.error(error);
}
var nodes = tree.nodes(json),
links = tree.links(nodes);
// Style links (edges)
svg.selectAll("path.link")
.data(links)
.enter().append("path")
.attr("class", "link")
.attr("d", elbow);
// Style nodes
var node = svg.selectAll("g.person")
.data(nodes)
.enter().append("g")
.attr("class", "person")
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
// Draw the rectangle person boxes
node.append("rect")
.attr({
x: -(boxWidth/2),
y: -(boxHeight/2),
width: boxWidth,
height: boxHeight
});
// Draw the person's name and position it inside the box
node.append("text")
.attr("dx", -(boxWidth/2) + 10)
.attr("dy", 0)
.attr("text-anchor", "start")
.attr('class', 'name')
.text(function(d) {
return d.name;
});
});
/**
* Custom path function that creates straight connecting lines.
*/
function elbow(d) {
return "M" + d.source.y + "," + d.source.x
+ "H" + (d.source.y + (d.target.y-d.source.y)/2)
+ "V" + d.target.x
+ "H" + d.target.y;
}
</script>