Vega-Lite API v5Vega-Lite API v4Vega-Lite with Inline CSV DataVega-Lite Cross-Filter ExampleVega-Lite Annotated Time SeriesVega-Lite Composing SelectionsVega-Lite London Tube LinesVega-Lite Cartographic ProjectionsVega-Lite Airport ConnectionsVega-Lite Pyramid PieVega-Lite Wind VectorsVega-Lite Population ChangeVega-Lite with Streaming Data UpdatesVega-Lite Parallel CoordinatesVega-Lite Interactive Index ChartVega-Lite Adjacency MatrixVega-Lite Donut Chart with LabelsVega-Lite Spike MapVega-Lite Scatterplot Pan & ZoomVega-Lite Repeat LayerVega-Lite LAB Color SpaceVega-Lite Input BindingVega-Lite Population PyramidsVega-Lite Isotype dot plotVega-Lite Distribution PlotsVega-Lite API Interactive SplomVega Lite API - Timeline Focus + ContextVega-Lite Percent Of Total
PSR B1919+21 with Vega-Lite
vl.data(data)
.transform(
vl.window(vl.row_number().as('series')), // add index for each series
vl.flatten('data'), // flatten each series array to individual data points
vl.groupby('series').window(vl.row_number().as('index')) // add index for each point
)
.mark({type: 'line', fill: 'white', stroke: 'black', strokeWidth: 1})
.encode(
vl.x().fieldQ('index').axis(null),
vl.y().fieldQ('data').scale({range: [step, -overlap * step]}).axis(null),
vl.row().fieldN('series').spacing(0).header({title: null, labelPadding: 0, labelFontSize: 0})
)
.width(width) // facet cell width
.height(step) // facet cell height
.bounds('flush') // use facet cell height for layout, not the full mark bounds
.padding(0) // no chart padding
.config({view: {stroke: null}}) // no cell borders
.render()
step = 8 // base height for each data series
overlap = 16 // overlap scale factor for data series
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