Base interface for a unit (single-view) specification.
anyOf [anyOf [anyOf [UrlData, InlineData, NamedData], anyOf [SequenceGenerator, SphereGenerator, GraticuleGenerator]], null]
An object describing the data source. Set to null to ignore the parent's data source. If no data is set, it is derived from the parent.
string
Description of this mark for commenting purpose.
anyOf [anyOf [string, string, string], anyOf [BoxPlotDef, ErrorBarDef, ErrorBandDef], string, MarkDef]
string
Name of the visualization for later reference.
Array<SelectionParameter>
An array of parameters that may either be simple variables, or more complex selections that map user input to data queries.
anyOf [anyOf [string, Array<string>], TitleParams]
Title for the plot.
Array<anyOf [AggregateTransform, BinTransform, CalculateTransform, DensityTransform, ExtentTransform, FilterTransform, FlattenTransform, FoldTransform, ImputeTransform, JoinAggregateTransform, LoessTransform, LookupTransform, QuantileTransform, RegressionTransform, TimeUnitTransform, SampleTransform, StackTransform, WindowTransform, PivotTransform]>
An array of data transformations such as filter and new field calculation.