The avatar for @gordo
James Gordon
Published
Edited
Sep 3, 2020
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ag = require('@esri/arcgis-rest-feature-layer')
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moment = require('moment')
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import { vl } from "@vega/vega-lite-api"
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layerURL = "https://services6.arcgis.com/Bd4MACzvEukoZ9mR/ArcGIS/rest/services/county_MOHSIS_map/FeatureServer/0"
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layer = ag.getLayer({url: layerURL})
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lastEdit = new Date(layer.editingInfo.lastEditDate)
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sinceLastEdit = moment(lastEdit).fromNow()
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queryResults = ag.queryFeatures({url: layerURL, f: "geojson"})
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basicGeoshape = vl.markGeoshape()
.data(queryResults.features)
.render()
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choropleth = vl.markGeoshape()
.data(queryResults.features)
.encode(
vl.color({field: "properties.CASES", type: "quantitative"})
)
.render()
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choroplethTooltipped = vl.markGeoshape()
.data(queryResults.features)
.encode(
vl.color({field: 'properties.CASES', type: 'quantitative'}),
vl.tooltip([
{field: 'properties.NAME', title: "Name"},
{field: 'properties.CASES', title: 'Cases'},
{field: 'properties.DEATHS', title: 'Deaths'},
]),
)
.render()
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