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Djr13 moved page Extension:Graph/airports to Extension:Graph/Demo/Airports: sorting and naming consistency for graph demos
''From http://vega.github.io/vega-editor/?spec=airports''
<graph mode=interactive title="Flight Routes in USA">{
"version":2,
"width": 620,
"height": 430,
"padding": {"top": 25, "left": 0, "right": 0, "bottom": 0},

"data": [
{
"name": "states",
"url": "wikiraw:///Extension:Graph/data/us-10m-json",
"format": {"type": "topojson", "feature": "states"},
"transform": [
{
"type": "geopath", "projection": "albersUsa",
"scale": 800, "translate": [300, 200]
}
]
},
{
"name": "traffic",
"url": "wikiraw:///Extension:Graph/data/flights-airport-csv",
"format": {"type": "csv", "parse": "auto"},
"transform": [
{
"type": "aggregate", "groupby": ["origin"],
"summarize": [{"field": "count", "ops": ["sum"], "as": ["flights"]}]
}
]
},
{
"name": "airports",
"url": "wikiraw:///Extension:Graph/data/airports-csv",
"format": {"type": "csv", "parse": "auto"},
"transform": [
{
"type": "lookup", "on": "traffic", "onKey": "origin",
"keys": ["iata"], "as": ["traffic"]
},
{
"type": "filter",
"test": "datum.traffic != null"
},
{
"type": "geo", "projection": "albersUsa",
"scale": 800, "translate": [300, 200],
"lon": "longitude", "lat": "latitude"
},
{
"type": "filter",
"test": "datum.layout_x != null && datum.layout_y != null"
},
{ "type": "sort", "by": "-traffic.flights" },
{ "type": "voronoi", "x": "layout_x", "y": "layout_y" }
]
},
{
"name": "routes",
"url": "wikiraw:///Extension:Graph/data/flights-airport-csv",
"format": {"type": "csv", "parse": "auto"},
"transform": [
{ "type": "filter", "test": "hover && hover.iata == datum.origin" },
{
"type": "lookup", "on": "airports", "onKey": "iata",
"keys": ["origin", "destination"], "as": ["_source", "_target"]
},
{ "type": "filter", "test": "datum._source && datum._target" },
{ "type": "linkpath" }
]
}
],

"scales": [
{
"name": "size",
"type": "linear",
"domain": {"data": "traffic", "field": "flights"},
"range": [16, 1000]
}
],

"signals": [
{
"name": "hover", "init": null,
"streams": [
{"type": "@cell:mouseover", "expr": "datum"},
{"type": "@cell:mouseout", "expr": "null"}
]
},
{
"name": "title", "init": "U.S. Airports, 2008",
"streams": [{
"type": "hover",
"expr": "hover ? hover.name + ' (' + hover.iata + ')' : 'U.S. Airports, 2008'"
}]
},
{
"name": "cell_stroke", "init": null,
"streams": [{"type": "dblclick", "expr": "cell_stroke ? null : 'brown'"}]
}
],

"marks": [
{
"type": "path",
"from": {"data": "states"},
"properties": {
"enter": {
"fill": {"value": "#dedede"},
"stroke": {"value": "white"}
},
"update": {
"path": {"field": "layout_path"}
}
}
},
{
"type": "symbol",
"from": {"data": "airports"},
"properties": {
"enter": {
"size": {"scale": "size", "field": "traffic.flights"},
"fill": {"value": "steelblue"},
"fillOpacity": {"value": 0.8},
"stroke": {"value": "white"},
"strokeWidth": {"value": 1.5}
},
"update": {
"x": {"field": "layout_x"},
"y": {"field": "layout_y"}
}
}
},
{
"type": "path",
"name": "cell",
"from": {"data": "airports"},
"properties": {
"enter": {
"fill": {"value": "transparent"},
"strokeWidth": {"value": 0.35}
},
"update": {
"path": {"field": "layout_path"},
"stroke": {"signal": "cell_stroke"}
}
}
},
{
"type": "path",
"interactive": false,
"from": {"data": "routes"},
"properties": {
"enter": {
"path": {"field": "layout_path"},
"stroke": {"value": "black"},
"strokeOpacity": {"value": 0.35}
}
}
},
{
"type": "text",
"interactive": false,
"properties": {
"enter": {
"x": {"value": 600},
"y": {"value": 0},
"fill": {"value": "black"},
"fontSize": {"value": 20},
"align": {"value": "right"}
},
"update": {
"text": {"signal": "title"}
}
}
}
]
}</graph>
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