1 |
47e239fc
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Štěpán Červenka
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{
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"$schema": "https://vega.github.io/schema/vega/v5.json",
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"width": 800,
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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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"signals": [
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{
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"name": "detailDomain"
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}
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],
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"marks": [
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{
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"type": "group",
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"name": "detail",
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"encode": {
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"enter": {
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"height": {"value": 390},
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"width": {"value": 800}
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}
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},
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"scales": [
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{
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"name": "xDetail",
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"type": "time",
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"range": "width",
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"domain": {"data": "table", "field": "dateTime"},
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"domainRaw": {"signal": "detailDomain"}
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},
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{
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"name": "yDetail",
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"type": "linear",
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"range": [390, 0],
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"domain": {"data": "table", "field": "value"},
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"nice": true, "zero": true
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}
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],
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"axes": [
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{"orient": "bottom", "scale": "xDetail"},
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{"orient": "left", "scale": "yDetail"}
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],
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"marks": [
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{
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"type": "group",
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"encode": {
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"enter": {
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"height": {"field": {"group": "height"}},
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"width": {"field": {"group": "width"}},
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"clip": {"value": true}
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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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"update": {
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"shape": {"value": "circle"},
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"size": {"value": 10},
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"x": {"scale": "xDetail", "field": "dateTime"},
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"y": {"scale": "yDetail", "field": "value"},
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"color": {"value": "both"},
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"strokeWidth": {"value": 4}
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}
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}
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},
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{
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"type": "rule",
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"from": {
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"data": "table2"
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},
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"encode": {
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"update": {
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"x": {
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"scale": "xDetail",
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"field": "unit0"
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},
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"x2": [
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{
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"test": "isValid(datum.obj)",
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"scale": "xDetail",
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"field": "obj.unit0"
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},
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{
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"scale": "xDetail",
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"field": "unit0"
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}
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],
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"y": {
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"scale": "yDetail",
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"field": "value"
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},
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"y2": [
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{
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"test": "isValid(datum.obj)",
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"scale": "yDetail",
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"field": "obj.value"
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},
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{
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"scale": "yDetail",
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"field": "value"
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}
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],
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"stroke": {
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"value": "steelblue"
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},
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"strokeWidth": {
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"value": 1
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}
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}
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}
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}
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]
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}
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]
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},
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{
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"type": "group",
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"name": "overview",
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"encode": {
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"enter": {
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"x": {"value": 0},
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"y": {"value": 430},
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"height": {"value": 70},
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"width": {"value": 720},
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"fill": {"value": "transparent"}
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}
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},
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"signals": [
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{
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"name": "brush", "value": 0,
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"on": [
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{
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"events": "@overview:mousedown",
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"update": "[x(), x()]"
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},
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{
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"events": "[@overview:mousedown, window:mouseup] > window:mousemove!",
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"update": "[brush[0], clamp(x(), 0, width)]"
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},
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{
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"events": {"signal": "delta"},
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"update": "clampRange([anchor[0] + delta, anchor[1] + delta], 0, width)"
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}
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]
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},
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{
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"name": "anchor", "value": null,
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"on": [{"events": "@brush:mousedown", "update": "slice(brush)"}]
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},
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{
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"name": "xdown", "value": 0,
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"on": [{"events": "@brush:mousedown", "update": "x()"}]
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},
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{
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"name": "delta", "value": 0,
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"on": [
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{
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"events": "[@brush:mousedown, window:mouseup] > window:mousemove!",
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"update": "x() - xdown"
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}
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]
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},
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{
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"name": "detailDomain",
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"push": "outer",
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"on": [
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{
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"events": {"signal": "brush"},
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"update": "span(brush) ? invert('xOverview', brush) : null"
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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": "xOverview",
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"type": "time",
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"range": "width",
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"domain": {"data": "table", "field": "dateTime"}
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},
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{
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"name": "yOverview",
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"type": "linear",
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"range": [70, 0],
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"domain": {"data": "table", "field": "value"},
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"nice": true, "zero": true
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}
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],
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"axes": [
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{"orient": "bottom", "scale": "xOverview"}
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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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234 |
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"update": {
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"shape": {"value": "circle"},
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"size": {"value": 10},
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237 |
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"x": {"scale": "xOverview", "field": "dateTime"},
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238 |
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"y": {"scale": "yOverview", "field": "value"},
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239 |
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"color": {"value": "both"},
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240 |
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"strokeWidth": {"value": 4}
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}
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}
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},
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{
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"type": "rule",
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"from": {
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"data": "table2"
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248 |
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},
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249 |
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"encode": {
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250 |
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"update": {
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251 |
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"x": {
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252 |
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"scale": "xOverview",
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253 |
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"field": "unit0"
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254 |
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},
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255 |
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"x2": [
|
256 |
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{
|
257 |
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"test": "isValid(datum.obj)",
|
258 |
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"scale": "xOverview",
|
259 |
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"field": "obj.unit0"
|
260 |
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},
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261 |
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{
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"scale": "xOverview",
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"field": "unit0"
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}
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],
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266 |
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"y": {
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"scale": "yOverview",
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"field": "value"
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},
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"y2": [
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{
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"test": "isValid(datum.obj)",
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"scale": "yOverview",
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"field": "obj.value"
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275 |
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},
|
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{
|
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"scale": "yOverview",
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"field": "value"
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}
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],
|
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"stroke": {
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"value": "steelblue"
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},
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"strokeWidth": {
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"value": 1
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}
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}
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}
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},
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|
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{
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"type": "rect",
|
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"name": "brush",
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"encode": {
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295 |
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"enter": {
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"y": {"value": 0},
|
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"height": {"value": 70},
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"fill": {"value": "#333"},
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"fillOpacity": {"value": 0.2}
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},
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"update": {
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"x": {"signal": "brush[0]"},
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"x2": {"signal": "brush[1]"}
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}
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}
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},
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{
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"type": "rect",
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"interactive": false,
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"encode": {
|
311 |
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"enter": {
|
312 |
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"y": {"value": 0},
|
313 |
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"height": {"value": 70},
|
314 |
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"width": {"value": 1},
|
315 |
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"fill": {"value": "firebrick"}
|
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},
|
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"update": {
|
318 |
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"x": {"signal": "brush[0]"}
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}
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}
|
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},
|
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{
|
323 |
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"type": "rect",
|
324 |
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"interactive": false,
|
325 |
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"encode": {
|
326 |
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"enter": {
|
327 |
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"y": {"value": 0},
|
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"height": {"value": 70},
|
329 |
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"width": {"value": 1},
|
330 |
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"fill": {"value": "firebrick"}
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331 |
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},
|
332 |
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"update": {
|
333 |
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"x": {"signal": "brush[1]"}
|
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}
|
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}
|
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}
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]
|
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}
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]
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}
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