|
1
|
{
|
|
2
|
"$schema": "https://vega.github.io/schema/vega/v5.json",
|
|
3
|
"width": 1200,
|
|
4
|
"height": 200,
|
|
5
|
"padding": 5,
|
|
6
|
|
|
7
|
"signals": [
|
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8
|
{ "name": "shape", "value": "circle",
|
|
9
|
"bind": {"input": "select", "options": [
|
|
10
|
"arrow", "circle", "square", "cross", "diamond", "triangle",
|
|
11
|
"triangle-up", "triangle-down", "triangle-right", "triangle-left",
|
|
12
|
"wedge", "stroke",
|
|
13
|
"M-1,-1H1V1H-1Z",
|
|
14
|
"M0,.5L.6,.8L.5,.1L1,-.3L.3,-.4L0,-1L-.3,-.4L-1,-.3L-.5,.1L-.6,.8L0,.5Z"
|
|
15
|
]
|
|
16
|
}
|
|
17
|
}
|
|
18
|
],
|
|
19
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|
|
20
|
"data": [
|
|
21
|
{
|
|
22
|
"name": "table",
|
|
23
|
"url": "data2.json",
|
|
24
|
"transform": [
|
|
25
|
{
|
|
26
|
"type": "formula",
|
|
27
|
"expr": "toDate(datum[\"time_stamp\"])",
|
|
28
|
"as": "dateTime"
|
|
29
|
}
|
|
30
|
]
|
|
31
|
}
|
|
32
|
],
|
|
33
|
|
|
34
|
"scales": [
|
|
35
|
{
|
|
36
|
"name": "xscale",
|
|
37
|
"type": "time",
|
|
38
|
"domain": {"data": "table", "field": "dateTime"},
|
|
39
|
"range": "width"
|
|
40
|
},
|
|
41
|
{
|
|
42
|
"name": "yscale",
|
|
43
|
"type": "linear",
|
|
44
|
"domain": {"data": "table", "field": "sensors[0].value"},
|
|
45
|
"nice": true,
|
|
46
|
"range": "height"
|
|
47
|
}
|
|
48
|
],
|
|
49
|
|
|
50
|
"axes": [
|
|
51
|
{ "orient": "bottom", "scale": "xscale", "tickCount": 3 },
|
|
52
|
{ "orient": "left", "scale": "yscale" }
|
|
53
|
],
|
|
54
|
|
|
55
|
"marks": [
|
|
56
|
{
|
|
57
|
"type": "symbol",
|
|
58
|
"from": {"data":"table"},
|
|
59
|
"encode": {
|
|
60
|
"enter": {
|
|
61
|
"size": {"value": 10},
|
|
62
|
"x": {"scale": "xscale", "field": "dateTime"},
|
|
63
|
"y": {"scale": "yscale", "field": "sensors[0].value"},
|
|
64
|
"color": {"value": "both"},
|
|
65
|
"strokeWidth": {"value": 1}
|
|
66
|
},
|
|
67
|
"update": {
|
|
68
|
"shape": {"signal": "shape"}
|
|
69
|
}
|
|
70
|
}
|
|
71
|
}
|
|
72
|
]
|
|
73
|
|
|
74
|
|
|
75
|
|
|
76
|
}
|