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Eric Field
Building and Using Tools to See. UVA Architecture + Data Science. IT Director. Instructor.
Public
Maps
Edited
Mar 30, 2024
Fork of Maps (Geographic)
•
3 forks
1
Maps
Maps (Geographic)
base code
Multiple LayersAdd Zoom and PanProjectionsChoroplethDotMapCentroids, Bounds, AbstractionsSparklines at centroidsUS States Grid MapWorld Grid MapLeafletMapBox GLMapBox GL - layersMapBox GL - dot locationsObservable Plot - Base World MapObservable Plot - Add GIS LayersObservable Plot - ProjectionsObservable Plot - ChoroplethObservable Plot - Dot mapUS map with Powerplant Pack CirclesRing plot on Map - Trust Gap?Fixed location Network GraphConnecting multiple visuals in one spacegeoContainsPolygons by [lon,lat] sets on Map (geo)
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<svg width="1000" height="500"></svg>
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map = d3.select(mapContainer)
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world = FileAttachment("world-110m.geo.json").json()
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projection = d3.geoMercator() // just the standard, common, Mercator projection
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pathGenerator = d3.geoPath().projection(projection); // to create SVG paths from the points of the GIS features
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drawMap = {
let mapLayer = map.append("g").attr("id","countries")
.selectAll("path")
.data(world.features)
.join("path")
.attr("d", pathGenerator)
.attr("id", d => d["id"]);
return mapLayer;
}
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<style>
#countries path {fill: #eeeeee; stroke: #ccc}
</style>
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