chord diagram playgroundarc diagram playgroundstreamgraph playgroundstacked area playgroundcircle packing playgrounddendogram / tree playgroundpie chart playgrounddonut chart playgroundtreemap playgroundradial barchart playgroundparallel coordinates playgroundradar chart playgroundbar chart playgroundbubble chart playgroundcorrelogram playgroundheatmap playgroundridgeline playgroundoverlapping density playgroundbox plot playgroundsankey diagram playgroundviolin plot playgroundline chart playgroundbeeswarm playgroundhexbin playgroundhistogram playgroundscatter plot playground
contour playground
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contoursData = {
const x = d3.scaleLinear()
.domain(d3.extent(data, d => d.x)).nice()
.rangeRound([margin.left, width - margin.right])
const y = d3.scaleLinear()
.domain(d3.extent(data, d => d.y)).nice()
.rangeRound([height - margin.bottom, margin.top])
return d3.contourDensity()
.x(d => x(d.x))
.y(d => y(d.y))
.size([width, height])
.bandwidth(30)
.thresholds(30)
(data)
}
data[0]
data = d3.csv(await "https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/data_for_density2d.csv", ({x, y, group}) => ({x: +x, y: +y, group: group}) )
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
