source: django_apps/running/static/year-total.js@ 300

Last change on this file since 300 was 300, checked in by Rick van der Zwet, 14 years ago

Full range by default.

File size: 3.0 KB
Line 
1function yearTotalGraph(data, binder) {
2 var start = data[0].x;
3 var end = data[data.length - 1].x;
4
5 /* Scales and sizing. */
6 var w = 810,
7 h1 = 300,
8 h2 = 30,
9 x = pv.Scale.linear(start, end).range(0, w),
10 y = pv.Scale.linear(0, pv.max(data, function(d) d.y)).range(0, h2);
11
12 /* Interaction state. Focus scales will have domain set on-render. */
13 var i = {x:0, dx:w},
14 fx = pv.Scale.linear().range(0, w),
15 fy = pv.Scale.linear().range(0, h1);
16
17 /* Root panel. */
18 var vis = new pv.Panel().canvas(binder)
19 .width(w)
20 .height(h1 + 20 + h2)
21 .bottom(20)
22 .left(30)
23 .right(20)
24 .top(5);
25
26 /* Focus panel (zoomed in). */
27 var focus = vis.add(pv.Panel)
28 .def("init", function() {
29 var d1 = x.invert(i.x),
30 d2 = x.invert(i.x + i.dx),
31 dd = data.slice(
32 Math.max(0, pv.search.index(data, d1, function(d) d.x) - 1),
33 pv.search.index(data, d2, function(d) d.x) + 1);
34 fx.domain(d1, d2);
35 fy.domain(scale.checked ? [0, pv.max(dd, function(d) d.y)] : y.domain());
36 return dd;
37 })
38 .top(0)
39 .height(h1);
40
41 /* X-axis ticks. */
42 focus.add(pv.Rule)
43 .data(function() fx.ticks())
44 .left(fx)
45 .strokeStyle("#eee")
46 .anchor("bottom").add(pv.Label)
47 .text(fx.tickFormat);
48
49 /* Y-axis ticks. */
50 focus.add(pv.Rule)
51 .data(function() fy.ticks(7))
52 .bottom(fy)
53 .strokeStyle(function(d) d ? "#aaa" : "#000")
54 .anchor("left").add(pv.Label)
55 .text(fy.tickFormat);
56
57 /* Focus area chart. */
58 focus.add(pv.Panel)
59 .overflow("hidden")
60 .add(pv.Area)
61 .data(function() focus.init())
62 .left(function(d) fx(d.x))
63 .bottom(1)
64 .height(function(d) fy(d.y))
65 .fillStyle("lightsteelblue")
66 .anchor("top").add(pv.Line)
67 .fillStyle(null)
68 .strokeStyle("steelblue")
69 .lineWidth(2);
70
71 /* Context panel (zoomed out). */
72 var context = vis.add(pv.Panel)
73 .bottom(0)
74 .height(h2);
75
76 /* X-axis ticks. */
77 context.add(pv.Rule)
78 .data(x.ticks())
79 .left(x)
80 .strokeStyle("#eee")
81 .anchor("bottom").add(pv.Label)
82 .text(x.tickFormat);
83
84 /* Y-axis ticks. */
85 context.add(pv.Rule)
86 .bottom(0);
87
88 /* Context area chart. */
89 context.add(pv.Area)
90 .data(data)
91 .left(function(d) x(d.x))
92 .bottom(1)
93 .height(function(d) y(d.y))
94 .fillStyle("lightsteelblue")
95 .anchor("top").add(pv.Line)
96 .strokeStyle("steelblue")
97 .lineWidth(2);
98
99 /* The selectable, draggable focus region. */
100 context.add(pv.Panel)
101 .data([i])
102 .cursor("crosshair")
103 .events("all")
104 .event("mousedown", pv.Behavior.select())
105 .event("select", focus)
106 .add(pv.Bar)
107 .left(function(d) d.x)
108 .width(function(d) d.dx)
109 .fillStyle("rgba(255, 128, 128, .4)")
110 .cursor("move")
111 .event("mousedown", pv.Behavior.drag())
112 .event("drag", focus);
113
114 vis.render();
115}
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