1
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{
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2
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"$schema": "https://vega.github.io/schema/vega/v5.json",
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"width": 1200,
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"height": 200,
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"padding": 5,
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"data": [
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{
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"name": "table",
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"url": "data_big.json",
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"transform": [
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{
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"type": "formula",
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"expr": "toDate(datum[\"time\"])",
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"as": "dateTime"
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},
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{
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"type": "timeunit",
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"field": "dateTime",
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"units": ["year","month", "date", "hours"]
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}
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]
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},
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{
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"name": "table2",
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"source": "table",
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"transform":[
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{
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"type": "lookup",
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"from": "table",
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"key": "unit0",
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"fields": ["unit1"],
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"as": ["obj"]
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}
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]
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}
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],
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"scales": [
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{
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"name": "xscale",
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"type": "time",
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"domain": {"data": "table", "fields": ["unit0", "unit1"]},
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"range": "width"
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},
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{
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"name": "yscale",
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"type": "linear",
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"domain": {"data": "table", "field": "value"},
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50
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"nice": true,
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51
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"range": "height"
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52
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}
|
53
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],
|
54
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|
55
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"axes": [
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{ "orient": "bottom", "scale": "xscale" },
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{ "orient": "left", "scale": "yscale" }
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],
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|
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"marks": [
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{
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"type": "symbol",
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"from": {"data":"table"},
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"encode": {
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"enter": {
|
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"shape": {"value": "circle"},
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67
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"size": {"value": 10},
|
68
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"x": {"scale": "xscale", "field": "dateTime"},
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69
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"y": {"scale": "yscale", "field": "value"},
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70
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"color": {"value": "both"},
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71
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"strokeWidth": {"value": 4}
|
72
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}
|
73
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}
|
74
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},
|
75
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{
|
76
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"type": "rule",
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"from": {"data":"table2"},
|
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"encode": {
|
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"enter": {
|
80
|
"x": {"scale": "xscale", "field": "unit0"},
|
81
|
"x2":[
|
82
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{
|
83
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"test": "isValid(datum.obj)",
|
84
|
"scale" : "xscale",
|
85
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"field" : "obj.unit0"
|
86
|
},
|
87
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{
|
88
|
"scale" : "xscale",
|
89
|
"field" : "unit0"
|
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|
}
|
91
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],
|
92
|
"y": {"scale": "yscale", "field": "value"},
|
93
|
"y2":[
|
94
|
{
|
95
|
"test": "isValid(datum.obj)",
|
96
|
"scale" : "yscale",
|
97
|
"field" : "obj.value"
|
98
|
},
|
99
|
{
|
100
|
"scale" : "yscale",
|
101
|
"field" : "value"
|
102
|
}
|
103
|
]
|
104
|
|
105
|
|
106
|
|
107
|
},
|
108
|
"update": {
|
109
|
"stroke": {"value": "steelblue"},
|
110
|
"strokeWidth": {"value": 1}
|
111
|
},
|
112
|
"hover": {
|
113
|
"stroke": {"value": "red"},
|
114
|
"strokeWidth": {"value": 3}
|
115
|
}
|
116
|
}
|
117
|
}
|
118
|
]
|
119
|
|
120
|
}
|