getHexagons: d => h3.kRing(d, 6),
}) ], goldenImage: './test/render/golden-images/contour-isobands-lnglat.png' }, { name: 'h3-hexagon-layer', viewState: { latitude: 37.78, longitude: -122.45, zoom: 11, pitch: 30, bearing: 0 }, layers: [ new H3HexagonLayer({ data: h3.kRing('882830829bfffff', 4), getHexagon: d => d, getFillColor: (d, {index}) => [255, index * 5, 0], getElevation: (d, {index}) => index * 100 }) ], goldenImage: './test/render/golden-images/h3-hexagon.png' }, { name: 'h3-hexagon-layer-high-precision', viewState: { latitude: 50.103, longitude: -143.478, zoom: 13, pitch: 0, bearing: 0