[//]: # (Auto-generated by scripts/generate-toc)
- [Overview]({{site.baseurl}}/docs/index.html)
    - [Table of Contents]({{site.baseurl}}/docs/index.html#toc)
- [View Specification]({{site.baseurl}}/docs/spec.html)
    - [Documentation Overview]({{site.baseurl}}/docs/spec.html#documentation-overview)
    - [Common Properties of Specifications]({{site.baseurl}}/docs/spec.html#common)
    - [Top-Level Specifications]({{site.baseurl}}/docs/spec.html#top-level)
    - [Single View Specifications]({{site.baseurl}}/docs/spec.html#single)
    - [Layered and Multi-view Specifications]({{site.baseurl}}/docs/spec.html#layered-and-multi-view-specifications)
    - [View Configuration]({{site.baseurl}}/docs/spec.html#config)
    - [Title]({{site.baseurl}}/docs/title.html)
        - [Title Properties Object]({{site.baseurl}}/docs/title.html#props)
        - [Title Config]({{site.baseurl}}/docs/title.html#config)
    - [Width / Height]({{site.baseurl}}/docs/size.html)
        - [Documentation Overview]({{site.baseurl}}/docs/size.html#documentation-overview)
        - [Width and Height of Single and Layered Plots]({{site.baseurl}}/docs/size.html#width-and-height-of-single-and-layered-plots)
        - [Width and Height of Multi-View Displays]({{site.baseurl}}/docs/size.html#width-and-height-of-multi-view-displays)
- [Data / Datasets]({{site.baseurl}}/docs/data.html)
    - [Documentation Overview]({{site.baseurl}}/docs/data.html#documentation-overview)
    - [Types of Data Sources]({{site.baseurl}}/docs/data.html#types-of-data-sources)
    - [Format]({{site.baseurl}}/docs/data.html#format)
    - [Data Generators]({{site.baseurl}}/docs/data.html#data-generators)
    - [Datasets]({{site.baseurl}}/docs/data.html#datasets)
- [Transform]({{site.baseurl}}/docs/transform.html)
    - [View-level Transform Property]({{site.baseurl}}/docs/transform.html#view-level-transform-property)
    - [Aggregate]({{site.baseurl}}/docs/aggregate.html)
        - [Documentation Overview]({{site.baseurl}}/docs/aggregate.html#documentation-overview)
        - [Aggregate in Encoding Field Definition]({{site.baseurl}}/docs/aggregate.html#encoding)
        - [Aggregate Transform]({{site.baseurl}}/docs/aggregate.html#transform)
        - [Supported Aggregation Operations]({{site.baseurl}}/docs/aggregate.html#ops)
        - [Argmin / Argmax]({{site.baseurl}}/docs/aggregate.html#argmax)
    - [Bin]({{site.baseurl}}/docs/bin.html)
        - [Documentation Overview]({{site.baseurl}}/docs/bin.html#documentation-overview)
        - [Binning in Encoding Field Definition]({{site.baseurl}}/docs/bin.html#encoding)
        - [Bin Transform]({{site.baseurl}}/docs/bin.html#transform)
        - [Bin Parameters]({{site.baseurl}}/docs/bin.html#bin-parameters)
        - [Ordinal Bin]({{site.baseurl}}/docs/bin.html#ordinal-bin)
    - [Calculate]({{site.baseurl}}/docs/calculate.html)
        - [Calculate Transform Definition]({{site.baseurl}}/docs/calculate.html#calculate-transform-definition)
        - [Example]({{site.baseurl}}/docs/calculate.html#example)
    - [Density]({{site.baseurl}}/docs/density.html)
        - [Density Transform Definition]({{site.baseurl}}/docs/density.html#density-transform-definition)
        - [Usage]({{site.baseurl}}/docs/density.html#usage)
    - [Extent]({{site.baseurl}}/docs/extent.html)
        - [Extent Transform Definition]({{site.baseurl}}/docs/extent.html#extent-transform-definition)
        - [Usage]({{site.baseurl}}/docs/extent.html#usage)
        - [Example]({{site.baseurl}}/docs/extent.html#example)
    - [Filter]({{site.baseurl}}/docs/filter.html)
    - [Flatten]({{site.baseurl}}/docs/flatten.html)
        - [Flatten Transform Definition]({{site.baseurl}}/docs/flatten.html#flatten-transform-definition)
        - [Usage]({{site.baseurl}}/docs/flatten.html#usage)
        - [Examples]({{site.baseurl}}/docs/flatten.html#examples)
    - [Fold]({{site.baseurl}}/docs/fold.html)
        - [Fold Transform Definition]({{site.baseurl}}/docs/fold.html#fold-transform-definition)
        - [Usage]({{site.baseurl}}/docs/fold.html#usage)
        - [Example]({{site.baseurl}}/docs/fold.html#example)
    - [Impute]({{site.baseurl}}/docs/impute.html)
        - [Documentation Overview]({{site.baseurl}}/docs/impute.html#documentation-overview)
        - [Impute in Encoding Field Definition]({{site.baseurl}}/docs/impute.html#encoding)
        - [Impute Transform]({{site.baseurl}}/docs/impute.html#transform)
    - [Join Aggregate]({{site.baseurl}}/docs/joinaggregate.html)
        - [Documentation Overview]({{site.baseurl}}/docs/joinaggregate.html#documentation-overview)
        - [Join Aggregate Field Definition]({{site.baseurl}}/docs/joinaggregate.html#join-aggregate-field-definition)
        - [Join Aggregate Transform Definition]({{site.baseurl}}/docs/joinaggregate.html#join-aggregate-transform-definition)
        - [Examples]({{site.baseurl}}/docs/joinaggregate.html#ops)
    - [Loess]({{site.baseurl}}/docs/loess.html)
        - [Loess Transform Definition]({{site.baseurl}}/docs/loess.html#loess-transform-definition)
        - [Usage]({{site.baseurl}}/docs/loess.html#usage)
        - [Example]({{site.baseurl}}/docs/loess.html#example)
    - [Lookup]({{site.baseurl}}/docs/lookup.html)
        - [Lookup Transform]({{site.baseurl}}/docs/lookup.html#lookup-transform)
    - [Pivot]({{site.baseurl}}/docs/pivot.html)
        - [Pivot Transform Definition]({{site.baseurl}}/docs/pivot.html#pivot-transform-definition)
        - [Usage]({{site.baseurl}}/docs/pivot.html#usage)
        - [Example]({{site.baseurl}}/docs/pivot.html#example)
    - [Quantile]({{site.baseurl}}/docs/quantile.html)
        - [Quantile Transform Definition]({{site.baseurl}}/docs/quantile.html#quantile-transform-definition)
        - [Usage]({{site.baseurl}}/docs/quantile.html#usage)
    - [Regression]({{site.baseurl}}/docs/regression.html)
        - [Regression Transform Definition]({{site.baseurl}}/docs/regression.html#regression-transform-definition)
        - [Usage]({{site.baseurl}}/docs/regression.html#usage)
        - [Example]({{site.baseurl}}/docs/regression.html#example)
    - [Sample]({{site.baseurl}}/docs/sample.html)
        - [Sample Transform Definition]({{site.baseurl}}/docs/sample.html#sample-transform-definition)
        - [Usage]({{site.baseurl}}/docs/sample.html#usage)
        - [Example]({{site.baseurl}}/docs/sample.html#example)
    - [Stack]({{site.baseurl}}/docs/stack.html)
        - [Documentation Overview]({{site.baseurl}}/docs/stack.html#documentation-overview)
        - [Stack in Encoding Field Definition]({{site.baseurl}}/docs/stack.html#encoding)
        - [Stack Transform]({{site.baseurl}}/docs/stack.html#transform)
    - [Time Unit]({{site.baseurl}}/docs/timeunit.html)
        - [Documentation Overview]({{site.baseurl}}/docs/timeunit.html#documentation-overview)
        - [Time Unit in Encoding Field Definition]({{site.baseurl}}/docs/timeunit.html#encoding)
        - [Time Unit Transform]({{site.baseurl}}/docs/timeunit.html#transform)
        - [UTC time]({{site.baseurl}}/docs/timeunit.html#utc)
        - [Time Unit Parameters]({{site.baseurl}}/docs/timeunit.html#params)
    - [Window]({{site.baseurl}}/docs/window.html)
        - [Documentation Overview]({{site.baseurl}}/docs/window.html#documentation-overview)
        - [Window Field Definition]({{site.baseurl}}/docs/window.html#window-field-definition)
        - [Window Transform Definition]({{site.baseurl}}/docs/window.html#window-transform-definition)
        - [Window Only Operation Reference]({{site.baseurl}}/docs/window.html#ops)
        - [Examples]({{site.baseurl}}/docs/window.html#examples)
- [Mark]({{site.baseurl}}/docs/mark.html)
    - [Documentation Overview]({{site.baseurl}}/docs/mark.html#documentation-overview)
    - [Mark Types]({{site.baseurl}}/docs/mark.html#types)
    - [Mark Definition Object]({{site.baseurl}}/docs/mark.html#mark-def)
    - [Mark Config]({{site.baseurl}}/docs/mark.html#config)
    - [Mark Style Config]({{site.baseurl}}/docs/mark.html#style-config)
    - [Arc]({{site.baseurl}}/docs/arc.html)
        - [Documentation Overview]({{site.baseurl}}/docs/arc.html#documentation-overview)
        - [Arc Mark Properties]({{site.baseurl}}/docs/arc.html#properties)
        - [Examples]({{site.baseurl}}/docs/arc.html#examples)
        - [Arc Config]({{site.baseurl}}/docs/arc.html#arc-config)
        - [Faceted Pie Charts]({{site.baseurl}}/docs/arc.html#faceted-pie-charts)
    - [Area]({{site.baseurl}}/docs/area.html)
        - [Documentation Overview]({{site.baseurl}}/docs/area.html#documentation-overview)
        - [Area Mark Properties]({{site.baseurl}}/docs/area.html#properties)
        - [Examples]({{site.baseurl}}/docs/area.html#examples)
        - [Area Config]({{site.baseurl}}/docs/area.html#config)
    - [Bar]({{site.baseurl}}/docs/bar.html)
        - [Documentation Overview]({{site.baseurl}}/docs/bar.html#documentation-overview)
        - [Bar Mark Properties]({{site.baseurl}}/docs/bar.html#properties)
        - [Examples]({{site.baseurl}}/docs/bar.html#examples)
        - [Bar Config]({{site.baseurl}}/docs/bar.html#config)
    - [Box Plot]({{site.baseurl}}/docs/boxplot.html)
        - [Documentation Overview]({{site.baseurl}}/docs/boxplot.html#documentation-overview)
        - [Box Plot Mark Properties]({{site.baseurl}}/docs/boxplot.html#properties)
        - [Types of Box Plot]({{site.baseurl}}/docs/boxplot.html#boxplot-types)
        - [Dimension & Orientation]({{site.baseurl}}/docs/boxplot.html#dims-orient)
        - [The Parts of Box Plots]({{site.baseurl}}/docs/boxplot.html#parts)
        - [Color, Size, and Opacity Encoding Channels]({{site.baseurl}}/docs/boxplot.html#color-size-and-opacity-encoding-channels)
        - [Tooltip Encoding Channels]({{site.baseurl}}/docs/boxplot.html#tooltip-encoding-channels)
        - [Mark Config]({{site.baseurl}}/docs/boxplot.html#config)
        - [Box Plot with Pre-Calculated Summaries]({{site.baseurl}}/docs/boxplot.html#box-plot-with-pre-calculated-summaries)
    - [Circle]({{site.baseurl}}/docs/circle.html)
        - [Circle Mark Properties]({{site.baseurl}}/docs/circle.html#properties)
        - [Examples]({{site.baseurl}}/docs/circle.html#examples)
        - [Circle Config]({{site.baseurl}}/docs/circle.html#config)
    - [Error Band]({{site.baseurl}}/docs/errorband.html)
        - [Documentation Overview]({{site.baseurl}}/docs/errorband.html#documentation-overview)
        - [Error Band Mark Properties]({{site.baseurl}}/docs/errorband.html#properties)
        - [Comparing the usage of Error Band to the usage of Error Bar]({{site.baseurl}}/docs/errorband.html#compare-to-errorbar)
        - [Using Error Band to Aggregate Raw Data]({{site.baseurl}}/docs/errorband.html#raw-usage)
        - [Using Error Band to Visualize Aggregated Data]({{site.baseurl}}/docs/errorband.html#pre-aggregated-usage)
        - [Dimension]({{site.baseurl}}/docs/errorband.html#dimension)
        - [The Parts of Error Band]({{site.baseurl}}/docs/errorband.html#parts)
        - [Color, and Opacity Encoding Channels]({{site.baseurl}}/docs/errorband.html#color-and-opacity-encoding-channels)
        - [Tooltip Encoding Channels]({{site.baseurl}}/docs/errorband.html#config)
        - [Mark Config]({{site.baseurl}}/docs/errorband.html#mark-config)
    - [Error Bar]({{site.baseurl}}/docs/errorbar.html)
        - [Documentation Overview]({{site.baseurl}}/docs/errorbar.html#documentation-overview)
        - [Error Bar Mark Properties]({{site.baseurl}}/docs/errorbar.html#properties)
        - [Using Error Bars to Aggregate Raw Data]({{site.baseurl}}/docs/errorbar.html#raw-usage)
        - [Using Error Bars to Visualize Aggregated Data]({{site.baseurl}}/docs/errorbar.html#pre-aggregated-usage)
        - [Dimension & Orientation]({{site.baseurl}}/docs/errorbar.html#dimension--orientation)
        - [The Parts of Error Bars]({{site.baseurl}}/docs/errorbar.html#parts)
        - [Color, and Opacity Encoding Channels]({{site.baseurl}}/docs/errorbar.html#color-and-opacity-encoding-channels)
        - [Tooltip Encoding Channels]({{site.baseurl}}/docs/errorbar.html#tooltip-encoding-channels)
        - [Mark Config]({{site.baseurl}}/docs/errorbar.html#config)
    - [Geoshape]({{site.baseurl}}/docs/geoshape.html)
        - [Geoshape Config]({{site.baseurl}}/docs/geoshape.html#config)
    - [Image]({{site.baseurl}}/docs/image.html)
        - [Documentation Overview]({{site.baseurl}}/docs/image.html#documentation-overview)
        - [Image Mark Properties]({{site.baseurl}}/docs/image.html#properties)
        - [Examples]({{site.baseurl}}/docs/image.html#examples)
        - [Image Config]({{site.baseurl}}/docs/image.html#image-config)
    - [Line]({{site.baseurl}}/docs/line.html)
        - [Documentation Overview]({{site.baseurl}}/docs/line.html#documentation-overview)
        - [Line Mark Properties]({{site.baseurl}}/docs/line.html#properties)
        - [Examples]({{site.baseurl}}/docs/line.html#examples)
        - [Line Config]({{site.baseurl}}/docs/line.html#config)
    - [Point]({{site.baseurl}}/docs/point.html)
        - [Documentation Overview]({{site.baseurl}}/docs/point.html#documentation-overview)
        - [Point Mark Properties]({{site.baseurl}}/docs/point.html#properties)
        - [Examples]({{site.baseurl}}/docs/point.html#examples)
        - [Point Config]({{site.baseurl}}/docs/point.html#config)
    - [Rect]({{site.baseurl}}/docs/rect.html)
        - [Documentation Overview]({{site.baseurl}}/docs/rect.html#documentation-overview)
        - [Rect Mark Properties]({{site.baseurl}}/docs/rect.html#properties)
        - [Examples]({{site.baseurl}}/docs/rect.html#examples)
        - [Rect Config]({{site.baseurl}}/docs/rect.html#config)
    - [Rule]({{site.baseurl}}/docs/rule.html)
        - [Documentation Overview]({{site.baseurl}}/docs/rule.html#documentation-overview)
        - [Rule Mark Properties]({{site.baseurl}}/docs/rule.html#properties)
        - [Examples]({{site.baseurl}}/docs/rule.html#examples)
        - [Rule Config]({{site.baseurl}}/docs/rule.html#config)
    - [Square]({{site.baseurl}}/docs/square.html)
        - [Square Mark Properties]({{site.baseurl}}/docs/square.html#properties)
        - [Example: Scatterplot with Square]({{site.baseurl}}/docs/square.html#example-scatterplot-with-square)
        - [Square Config]({{site.baseurl}}/docs/square.html#config)
    - [Text]({{site.baseurl}}/docs/text.html)
        - [Documentation Overview]({{site.baseurl}}/docs/text.html#documentation-overview)
        - [Text Mark Properties]({{site.baseurl}}/docs/text.html#properties)
        - [Examples]({{site.baseurl}}/docs/text.html#examples)
        - [Text Config]({{site.baseurl}}/docs/text.html#config)
    - [Tick]({{site.baseurl}}/docs/tick.html)
        - [Documentation Overview]({{site.baseurl}}/docs/tick.html#documentation-overview)
        - [Tick Mark Properties]({{site.baseurl}}/docs/tick.html#properties)
        - [Examples]({{site.baseurl}}/docs/tick.html#examples)
        - [Tick Config]({{site.baseurl}}/docs/tick.html#config)
    - [Trail]({{site.baseurl}}/docs/trail.html)
        - [Documentation Overview]({{site.baseurl}}/docs/trail.html#documentation-overview)
        - [Trail Mark Properties]({{site.baseurl}}/docs/trail.html#properties)
        - [Examples]({{site.baseurl}}/docs/trail.html#examples)
        - [Trail Config]({{site.baseurl}}/docs/trail.html#config)
- [Encoding]({{site.baseurl}}/docs/encoding.html)
    - [Encoding Channels]({{site.baseurl}}/docs/encoding.html#channels)
    - [Channel Definition]({{site.baseurl}}/docs/encoding.html#channel-definition)
    - [Position Channels]({{site.baseurl}}/docs/encoding.html#position)
    - [Position Offset Channels]({{site.baseurl}}/docs/encoding.html#positon-offset)
    - [Polar Position Channels]({{site.baseurl}}/docs/encoding.html#polar)
    - [Geographic Position Channels]({{site.baseurl}}/docs/encoding.html#geo)
    - [Mark Property Channels]({{site.baseurl}}/docs/encoding.html#mark-prop)
    - [Text and Tooltip Channels]({{site.baseurl}}/docs/encoding.html#text)
    - [Hyperlink Channel]({{site.baseurl}}/docs/encoding.html#href)
    - [Description Channel]({{site.baseurl}}/docs/encoding.html#description)
    - [Level of Detail Channel]({{site.baseurl}}/docs/encoding.html#detail)
    - [Key Channel]({{site.baseurl}}/docs/encoding.html#key)
    - [Order Channel]({{site.baseurl}}/docs/encoding.html#order)
    - [Facet Channels]({{site.baseurl}}/docs/encoding.html#facet)
    - [Aggregate]({{site.baseurl}}/docs/aggregate.html)
        - [Documentation Overview]({{site.baseurl}}/docs/aggregate.html#documentation-overview)
        - [Aggregate in Encoding Field Definition]({{site.baseurl}}/docs/aggregate.html#encoding)
        - [Aggregate Transform]({{site.baseurl}}/docs/aggregate.html#transform)
        - [Supported Aggregation Operations]({{site.baseurl}}/docs/aggregate.html#ops)
        - [Argmin / Argmax]({{site.baseurl}}/docs/aggregate.html#argmax)
    - [Axis]({{site.baseurl}}/docs/axis.html)
        - [Documentation Overview]({{site.baseurl}}/docs/axis.html#documentation-overview)
        - [Axis Properties]({{site.baseurl}}/docs/axis.html#axis-properties)
        - [Axis Config]({{site.baseurl}}/docs/axis.html#config)
    - [Band Position]({{site.baseurl}}/docs/bandposition.html)
        - [Examples]({{site.baseurl}}/docs/bandposition.html#examples)
    - [Bin]({{site.baseurl}}/docs/bin.html)
        - [Documentation Overview]({{site.baseurl}}/docs/bin.html#documentation-overview)
        - [Binning in Encoding Field Definition]({{site.baseurl}}/docs/bin.html#encoding)
        - [Bin Transform]({{site.baseurl}}/docs/bin.html#transform)
        - [Bin Parameters]({{site.baseurl}}/docs/bin.html#bin-parameters)
        - [Ordinal Bin]({{site.baseurl}}/docs/bin.html#ordinal-bin)
    - [Condition]({{site.baseurl}}/docs/condition.html)
        - [Conditional Field Definition]({{site.baseurl}}/docs/condition.html#field)
        - [Conditional Value Definition]({{site.baseurl}}/docs/condition.html#value)
    - [Datum]({{site.baseurl}}/docs/datum.html)
        - [Examples]({{site.baseurl}}/docs/datum.html#examples)
    - [Field]({{site.baseurl}}/docs/field.html)
    - [Format]({{site.baseurl}}/docs/format.html)
        - [Formatting Text Marks and Tooltips]({{site.baseurl}}/docs/format.html#formatting-text-marks-and-tooltips)
        - [Formatting Axis, Legend, and Header Labels]({{site.baseurl}}/docs/format.html#formatting-axis-legend-and-header-labels)
    - [Header]({{site.baseurl}}/docs/header.html)
        - [Documentation Overview]({{site.baseurl}}/docs/header.html#documentation-overview)
        - [Header Properties]({{site.baseurl}}/docs/header.html#header-properties)
        - [Header Config]({{site.baseurl}}/docs/header.html#config)
    - [Impute]({{site.baseurl}}/docs/impute.html)
        - [Documentation Overview]({{site.baseurl}}/docs/impute.html#documentation-overview)
        - [Impute in Encoding Field Definition]({{site.baseurl}}/docs/impute.html#encoding)
        - [Impute Transform]({{site.baseurl}}/docs/impute.html#transform)
    - [Legend]({{site.baseurl}}/docs/legend.html)
        - [Legend Types]({{site.baseurl}}/docs/legend.html#legend-types)
        - [Combined Legend]({{site.baseurl}}/docs/legend.html#combined-legend)
        - [Legend Properties]({{site.baseurl}}/docs/legend.html#legend-properties)
        - [Legend Config]({{site.baseurl}}/docs/legend.html#config)
    - [Scale]({{site.baseurl}}/docs/scale.html)
        - [Documentation Overview]({{site.baseurl}}/docs/scale.html#documentation-overview)
        - [Scale Types]({{site.baseurl}}/docs/scale.html#type)
        - [Scale Domains]({{site.baseurl}}/docs/scale.html#domain)
        - [Scale Ranges]({{site.baseurl}}/docs/scale.html#range)
        - [Common Scale Properties]({{site.baseurl}}/docs/scale.html#continuous)
        - [Continuous Scales]({{site.baseurl}}/docs/scale.html#continuous-scales)
        - [Discrete Scales]({{site.baseurl}}/docs/scale.html#discrete)
        - [Discretizing Scales]({{site.baseurl}}/docs/scale.html#discretizing)
        - [Disabling Scale]({{site.baseurl}}/docs/scale.html#disable)
        - [Configuration]({{site.baseurl}}/docs/scale.html#config)
    - [Stack]({{site.baseurl}}/docs/stack.html)
        - [Documentation Overview]({{site.baseurl}}/docs/stack.html#documentation-overview)
        - [Stack in Encoding Field Definition]({{site.baseurl}}/docs/stack.html#encoding)
        - [Stack Transform]({{site.baseurl}}/docs/stack.html#transform)
    - [Sort]({{site.baseurl}}/docs/sort.html)
        - [Documentation Overview]({{site.baseurl}}/docs/sort.html#documentation-overview)
        - [Sorting Continuous Fields]({{site.baseurl}}/docs/sort.html#sorting-continuous-fields)
        - [Sorting Discrete Fields]({{site.baseurl}}/docs/sort.html#sorting-discrete-fields)
    - [Time Unit]({{site.baseurl}}/docs/timeunit.html)
        - [Documentation Overview]({{site.baseurl}}/docs/timeunit.html#documentation-overview)
        - [Time Unit in Encoding Field Definition]({{site.baseurl}}/docs/timeunit.html#encoding)
        - [Time Unit Transform]({{site.baseurl}}/docs/timeunit.html#transform)
        - [UTC time]({{site.baseurl}}/docs/timeunit.html#utc)
        - [Time Unit Parameters]({{site.baseurl}}/docs/timeunit.html#params)
    - [Type]({{site.baseurl}}/docs/type.html)
        - [Quantitative]({{site.baseurl}}/docs/type.html#quantitative)
        - [Temporal]({{site.baseurl}}/docs/type.html#temporal)
        - [Ordinal]({{site.baseurl}}/docs/type.html#ordinal)
        - [Nominal]({{site.baseurl}}/docs/type.html#nominal)
        - [GeoJSON]({{site.baseurl}}/docs/type.html#geojson)
    - [Value]({{site.baseurl}}/docs/value.html)
- [Projection]({{site.baseurl}}/docs/projection.html)
    - [Documentation Overview]({{site.baseurl}}/docs/projection.html#documentation-overview)
    - [Projection Properties]({{site.baseurl}}/docs/projection.html#projection-properties)
    - [Projection Types]({{site.baseurl}}/docs/projection.html#projection-types)
    - [Projection Configuration]({{site.baseurl}}/docs/projection.html#config)
- [View Composition]({{site.baseurl}}/docs/composition.html)
    - [Documentation Overview]({{site.baseurl}}/docs/composition.html#documentation-overview)
    - [Faceting]({{site.baseurl}}/docs/composition.html#faceting)
    - [Layering]({{site.baseurl}}/docs/composition.html#layering)
    - [Concatenation]({{site.baseurl}}/docs/composition.html#concatenation)
    - [Repeating]({{site.baseurl}}/docs/composition.html#repeating)
    - [Resolution]({{site.baseurl}}/docs/composition.html#resolution)
    - [Facet]({{site.baseurl}}/docs/facet.html)
        - [Documentation Overview]({{site.baseurl}}/docs/facet.html#documentation-overview)
        - [Facet Operator]({{site.baseurl}}/docs/facet.html#facet-operator)
        - [Facet, Row, and Column Encoding Channels]({{site.baseurl}}/docs/facet.html#facet-row-and-column-encoding-channels)
        - [Resolve]({{site.baseurl}}/docs/facet.html#resolve)
        - [Facet Configuration]({{site.baseurl}}/docs/facet.html#config)
    - [Layer]({{site.baseurl}}/docs/layer.html)
        - [Example]({{site.baseurl}}/docs/layer.html#example)
    - [Concat]({{site.baseurl}}/docs/concat.html)
        - [Documentation Overview]({{site.baseurl}}/docs/concat.html#documentation-overview)
        - [Horizontal Concatenation]({{site.baseurl}}/docs/concat.html#hconcat)
        - [Vertical Concatenation]({{site.baseurl}}/docs/concat.html#vconcat)
        - [General (Wrappable) Concatenation]({{site.baseurl}}/docs/concat.html#concat)
        - [Resolve]({{site.baseurl}}/docs/concat.html#resolve)
        - [Concat Configuration]({{site.baseurl}}/docs/concat.html#config)
    - [Repeat]({{site.baseurl}}/docs/repeat.html)
        - [Documentation Overview]({{site.baseurl}}/docs/repeat.html#documentation-overview)
        - [Repeat Operator]({{site.baseurl}}/docs/repeat.html#repeat-operator)
        - [Row/Column/Layer Repeat Mapping]({{site.baseurl}}/docs/repeat.html#repeat-mapping)
        - [Examples]({{site.baseurl}}/docs/repeat.html#examples)
        - [Resolve]({{site.baseurl}}/docs/repeat.html#resolve)
        - [Repeat Configuration]({{site.baseurl}}/docs/repeat.html#config)
    - [Resolve]({{site.baseurl}}/docs/resolve.html)
        - [Example]({{site.baseurl}}/docs/resolve.html#example)
- [Parameter]({{site.baseurl}}/docs/parameter.html)
    - [Documentation Overview]({{site.baseurl}}/docs/parameter.html#documentation-overview)
    - [Defining a Parameter]({{site.baseurl}}/docs/parameter.html#defining-a-parameter)
    - [Using Parameters]({{site.baseurl}}/docs/parameter.html#using-parameters)
    - [Selection Configuration]({{site.baseurl}}/docs/parameter.html#config)
    - [Value]({{site.baseurl}}/docs/param-value.html)
        - [Examples]({{site.baseurl}}/docs/param-value.html#examples)
    - [Expr]({{site.baseurl}}/docs/parameter.html)
        - [Documentation Overview]({{site.baseurl}}/docs/parameter.html#documentation-overview)
        - [Defining a Parameter]({{site.baseurl}}/docs/parameter.html#defining-a-parameter)
        - [Using Parameters]({{site.baseurl}}/docs/parameter.html#using-parameters)
        - [Selection Configuration]({{site.baseurl}}/docs/parameter.html#config)
    - [Bind]({{site.baseurl}}/docs/bind.html)
        - [Input Element Binding]({{site.baseurl}}/docs/bind.html#input-element-binding)
        - [Legend Binding]({{site.baseurl}}/docs/bind.html#legend-binding)
        - [Scale Binding]({{site.baseurl}}/docs/bind.html#scale-binding)
    - [Select]({{site.baseurl}}/docs/selection.html)
        - [Documentation Overview]({{site.baseurl}}/docs/selection.html#documentation-overview)
        - [Common Selection Properties]({{site.baseurl}}/docs/selection.html#selection-props)
        - [Point Selection Properties]({{site.baseurl}}/docs/selection.html#point)
        - [Interval Selection Properties]({{site.baseurl}}/docs/selection.html#interval)
- [Config]({{site.baseurl}}/docs/config.html)
    - [Top-level Configuration]({{site.baseurl}}/docs/config.html#top-level-config)
    - [Format Configuration]({{site.baseurl}}/docs/config.html#format)
    - [Guide Configurations]({{site.baseurl}}/docs/config.html#axis-config)
    - [Mark Configurations]({{site.baseurl}}/docs/config.html#mark-config)
    - [Style Configuration]({{site.baseurl}}/docs/config.html#style-configuration)
    - [Scale and Scale Range Configuration]({{site.baseurl}}/docs/config.html#scale-config)
    - [Projection Configuration]({{site.baseurl}}/docs/config.html#projection-config)
    - [Selection Configuration]({{site.baseurl}}/docs/config.html#selection-config)
    - [Title Configuration]({{site.baseurl}}/docs/config.html#title-config)
    - [View & View Composition Configuration]({{site.baseurl}}/docs/config.html#view-config)
    - [Locale Configuration]({{site.baseurl}}/docs/config.html#aria-config)
    - [ARIA Configuration]({{site.baseurl}}/docs/config.html#aria-configuration)
- [Property Types]({{site.baseurl}}/docs/types.html)
    - [Documentation Overview]({{site.baseurl}}/docs/types.html#documentation-overview)
    - [Primitive Types]({{site.baseurl}}/docs/types.html#primitive-types)
    - [Special Object Types]({{site.baseurl}}/docs/types.html#special-object-types)
    - [Date Time]({{site.baseurl}}/docs/datetime.html)
    - [Gradient]({{site.baseurl}}/docs/gradient.html)
        - [Linear Gradient]({{site.baseurl}}/docs/gradient.html#linear-gradient)
        - [Radial Gradient]({{site.baseurl}}/docs/gradient.html#radial-gradient)
        - [Gradient Stop]({{site.baseurl}}/docs/gradient.html#gradient-stop)
    - [Predicate]({{site.baseurl}}/docs/predicate.html)
        - [Field Predicate]({{site.baseurl}}/docs/predicate.html#field-predicate)
        - [Parameter Predicate]({{site.baseurl}}/docs/predicate.html#selection-predicate)
        - [Predicate Composition]({{site.baseurl}}/docs/predicate.html#composition)
- [Tooltip]({{site.baseurl}}/docs/tooltip.html)
    - [Documentation Overview]({{site.baseurl}}/docs/tooltip.html#documentation-overview)
    - [Tooltip Based on Encoding]({{site.baseurl}}/docs/tooltip.html#encoding)
    - [Tooltip Based on Underlying Data Point]({{site.baseurl}}/docs/tooltip.html#data)
    - [Tooltip channel]({{site.baseurl}}/docs/tooltip.html#channel)
    - [Tooltip image]({{site.baseurl}}/docs/tooltip.html#tooltip-image)
    - [Disable tooltips]({{site.baseurl}}/docs/tooltip.html#disable-tooltips)
    - [Vega Tooltip plugin]({{site.baseurl}}/docs/tooltip.html#plugin)
