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geo_text.vg.json
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geo_text.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"background": "white",
"padding": 5,
"width": 800,
"height": 500,
"style": "view",
"data": [
{
"name": "source_0",
"url": "data/us-10m.json",
"format": {"type": "topojson", "feature": "states"}
},
{
"name": "source_1",
"url": "data/us-state-capitals.json",
"format": {"type": "json"}
},
{
"name": "data_0",
"source": "source_1",
"transform": [
{
"type": "geojson",
"fields": ["lon", "lat"],
"signal": "layer_1_layer_0_geojson_0"
},
{
"type": "geopoint",
"projection": "projection",
"fields": ["lon", "lat"],
"as": ["layer_1_layer_0_x", "layer_1_layer_0_y"]
}
]
},
{
"name": "data_1",
"source": "source_1",
"transform": [
{
"type": "geojson",
"fields": ["lon", "lat"],
"signal": "layer_1_layer_1_geojson_0"
},
{
"type": "geopoint",
"projection": "projection",
"fields": ["lon", "lat"],
"as": ["layer_1_layer_1_x", "layer_1_layer_1_y"]
}
]
}
],
"projections": [
{
"name": "projection",
"size": {"signal": "[width, height]"},
"fit": {
"signal": "[data('source_0'), layer_1_layer_0_geojson_0, layer_1_layer_1_geojson_0]"
},
"type": "albersUsa"
}
],
"marks": [
{
"name": "layer_0_marks",
"type": "shape",
"style": ["geoshape"],
"from": {"data": "source_0"},
"encode": {
"update": {
"fill": {"value": "lightgray"},
"stroke": {"value": "white"},
"ariaRoleDescription": {"value": "geoshape"}
}
},
"transform": [{"type": "geoshape", "projection": "projection"}]
},
{
"name": "layer_1_layer_0_marks",
"type": "symbol",
"style": ["circle"],
"from": {"data": "data_0"},
"encode": {
"update": {
"opacity": {"value": 0.7},
"fill": {"value": "orange"},
"ariaRoleDescription": {"value": "circle"},
"description": {
"signal": "\"lon: \" + (format(datum[\"lon\"], \"\")) + \"; lat: \" + (format(datum[\"lat\"], \"\"))"
},
"x": {"field": "layer_1_layer_0_x"},
"y": {"field": "layer_1_layer_0_y"},
"shape": {"value": "circle"}
}
}
},
{
"name": "layer_1_layer_1_marks",
"type": "text",
"style": ["text"],
"from": {"data": "data_1"},
"encode": {
"update": {
"dy": {"value": -10},
"fill": {"value": "black"},
"description": {
"signal": "\"lon: \" + (format(datum[\"lon\"], \"\")) + \"; lat: \" + (format(datum[\"lat\"], \"\")) + \"; city: \" + (isValid(datum[\"city\"]) ? datum[\"city\"] : \"\"+datum[\"city\"])"
},
"x": {"field": "layer_1_layer_1_x"},
"y": {"field": "layer_1_layer_1_y"},
"text": {
"signal": "isValid(datum[\"city\"]) ? datum[\"city\"] : \"\"+datum[\"city\"]"
},
"align": {"value": "center"},
"baseline": {"value": "middle"}
}
}
}
]
}