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Карта мира: различия между версиями
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<graph>
{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"description": "Interactive map of U.S. airport connections in 2008.",
"padding": {"top": 25, "left": 0, "right": 0, "bottom": 0},
"autosize": "none",
"signals": [
{
"name": "scale", "value": 1200,
"bind": {"input": "range", "min": 500, "max": 3000}
},
{
"name": "translateX", "value": 450,
"bind": {"input": "range", "min": -500, "max": 1200}
},
{
"name": "translateY", "value": 260,
"bind": {"input": "range", "min": -300, "max": 700}
},
{
"name": "shape", "value": "line",
"bind": {"input": "radio", "options": ["line", "curve"]}
},
{
"name": "hover",
"value": null,
"on": [
{"events": "@cell:mouseover", "update": "datum"},
{"events": "@cell:mouseout", "update": "null"}
]
},
{
"name": "title",
"value": "U.S. Airports, 2008",
"update": "hover ? hover.name + ' (' + hover.iata + ')' : 'U.S. Airports, 2008'"
},
{
"name": "cell_stroke",
"value": null,
"on": [
{"events": "dblclick", "update": "cell_stroke ? null : 'brown'"},
{"events": "mousedown!", "update": "cell_stroke"}
]
}
],
"data": [
{
"name": "states",
"url": "data/us-10m.json",
"format": {"type": "topojson", "feature": "states"},
"transform": [
{
"projection": "projection"
}
]
},
{
"name": "traffic",
"url": "data/flights-airport.csv",
"format": {"type": "csv", "parse": "auto"},
"transform": [
{
"type": "aggregate",
"groupby": ["origin"],
"fields": ["count"], "ops": ["sum"], "as": ["flights"]
}
]
},
{
"name": "airports",
"url": "data/airports.csv",
"format": {"type": "csv","parse": "auto"
},
"transform": [
{
"type": "lookup",
"from": "traffic", "key": "origin",
"fields": ["iata"], "as": ["traffic"]
},
{
"expr": "datum.traffic != null"
},
"type":
"expr": "datum.x != null && datum.y
"type":
}
]
{
"name": "routes",
"url": "data/flights-airport.csv",
"format": {"type": "csv", "parse": "auto"},
"transform": [
{
"from":
"fields": ["origin",
},
"type":
"expr": "datum.source &&
{
"type":
"shape": {"signal":
}
],
"projections": [
{
"name": "projection",
"type": "albersUsa",
"scale": {"signal": "scale"},
"translate": [{"signal": "translateX"}, {"signal": "translateY"}]
}
],
"scales": [
{
"name": "size",
"type": "linear",
"domain": {"data": "traffic", "field": "flights"},
"range": [16, 1000]
}
],
"marks": [
{
"type": "path",
"from": {"data": "states"},
"encode": {
"enter": {
"fill": {"value": "#dedede"},
"stroke": {"value": "white"}
},
"update": {
"path": {"field": "path"}
}
}
},
{
"type": "symbol",
"from": {"data": "airports"},
"encode": {
"enter": {
"size": {"scale": "size", "field": "traffic.flights"},
"fill": {"value": "steelblue"},
"fillOpacity": {"value": 0.8},
"stroke": {"value": "white"},
"strokeWidth": {"value": 1.5}
},
"update": {
"x": {"field": "x"},
"y": {"field": "y"}
}
}
},
{
"type": "path",
"name": "cell",
"from": {"data": "airports"},
"encode": {
"enter": {
"fill": {"value": "transparent"},
"strokeWidth": {"value": 0.35}
},
"update": {
"path": {"field": "path"},
"stroke": {"signal": "cell_stroke"}
}
}
},
{
"type": "path",
"interactive": false,
"from": {"data": "routes"},
"encode": {
"enter": {
"path": {"field": "path"},
"stroke": {"value": "black"},
"strokeOpacity": {"value": 0.35}
}
}
},
{
"type": "text",
"interactive": false,
"encode": {
"enter": {
"x": {"value": 895},
"y": {"value": 0},
"fill": {"value": "black"},
"fontSize": {"value": 20},
"align": {"value": "right"}
},
"update": {
"text": {"signal": "title"}
}
}
]
}
</graph>
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