{ "$schema": "https://vega.github.io/schema/vega-lite/v4.json", "background": "#c1e7f5", "data": { "format": { "feature": "graticule", "type": "topojson" }, "url": "https://vega.github.io/vega-lite/data/graticule.json" }, "height": 300, "mark": { "fillOpacity": 1.0e-2, "stroke": "#411", "strokeWidth": 0.5, "type": "geoshape" }, "projection": { "type": "azimuthalEqualArea" }, "title": "AzimuthalEqualArea", "width": 500 }