Data & charts

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• DrawCanvas:chartCarve a PlotArea out of this canvas for charting.
• DrawCanvas:chartsCarve a rows x cols grid of PlotAreas out of this canvas for faceting / subplots, returned row-major from the top-left.
• Bytes:csvDecode the bytes as CSV into a DataHandle.
• Bytes:parquetDecode the bytes as Parquet into a DataHandle.

In this area

• datumhue.chart.scaleConstruct shared scales (data → pixels / data → color) for chart marks. 6 members
• DataHandleOpaque tabular-data handle produced by bytes:csv() and bytes:parquet(). 10 members
• DataBatchA batch of rows produced by h:batches(). 3 members
• DataColumnA typed column inside a DataBatch. 4 members
• SchemaReturned by DataHandle:schema(): the data's columns, by name or by position, and its metadata. 6 members
• FieldReturned by Schema:field(...) and yielded by Schema:fields(). 6 members
• DataViewViewport-aware downsampled projection of a DataHandle. 5 members
• ScaleThe data-domain side of a chart mapping (linear, log, band, or time). 11 members
• MarkA rendered mark (line / points / area / bars / rule / text) inside a plot area. 6 members
• PlotAreaA plot area inside a canvas, created by canvas:chart(opts). 32 members
• CrosshairReturned by area:crosshair(...). 2 members
• PanZoomReturned by area:pan_zoom(...). 2 members
• BrushReturned by area:brush(...). 4 members
• ColorScaleA numeric → color ramp created by datumhue.chart.scale.color(options). 3 members
• AxisA tick axis bound to a scale, created by area:axis(options). 2 members
• LegendA legend panel attached to a plot area, created by area:legend(options). 2 members
• ChartGroupReturned by area:group(marks). 2 members