API Reference

This is the class and function reference of Altair, and the following content is generated automatically from the code documentation strings. Please refer to the full user guide for further details, as this low-level documentation may not be enough to give full guidelines on their use.

Top-Level Objects

Chart	Create a basic Altair/Vega-Lite chart.
ConcatChart	A chart with horizontally-concatenated facets.
FacetChart	A Chart with layers within a single panel.
HConcatChart	A chart with horizontally-concatenated facets.
LayerChart	A Chart with layers within a single panel.
RepeatChart	A chart repeated across rows and columns with small changes.
TopLevelMixin	Mixin for top-level chart objects such as Chart, LayeredChart, etc.
VConcatChart	A chart with vertically-concatenated facets.

Encoding Channels

Angle	Angle schema wrapper.
AngleDatum	AngleDatum schema wrapper.
AngleValue	AngleValue schema wrapper.
Color	Color schema wrapper.
ColorDatum	ColorDatum schema wrapper.
ColorValue	ColorValue schema wrapper.
Column	Column schema wrapper.
Description	Description schema wrapper.
DescriptionValue	DescriptionValue schema wrapper.
Detail	Detail schema wrapper.
Facet	Facet schema wrapper.
Fill	Fill schema wrapper.
FillDatum	FillDatum schema wrapper.
FillOpacity	FillOpacity schema wrapper.
FillOpacityDatum	FillOpacityDatum schema wrapper.
FillOpacityValue	FillOpacityValue schema wrapper.
FillValue	FillValue schema wrapper.
Href	Href schema wrapper.
HrefValue	HrefValue schema wrapper.
Key	Key schema wrapper.
Latitude	Latitude schema wrapper.
Latitude2	Latitude2 schema wrapper.
Latitude2Datum	Latitude2Datum schema wrapper.
Latitude2Value	Latitude2Value schema wrapper.
LatitudeDatum	LatitudeDatum schema wrapper.
Longitude	Longitude schema wrapper.
Longitude2	Longitude2 schema wrapper.
Longitude2Datum	Longitude2Datum schema wrapper.
Longitude2Value	Longitude2Value schema wrapper.
LongitudeDatum	LongitudeDatum schema wrapper.
Opacity	Opacity schema wrapper.
OpacityDatum	OpacityDatum schema wrapper.
OpacityValue	OpacityValue schema wrapper.
Order	Order schema wrapper.
OrderValue	OrderValue schema wrapper.
Radius	Radius schema wrapper.
Radius2	Radius2 schema wrapper.
Radius2Datum	Radius2Datum schema wrapper.
Radius2Value	Radius2Value schema wrapper.
RadiusDatum	RadiusDatum schema wrapper.
RadiusValue	RadiusValue schema wrapper.
Row	Row schema wrapper.
Shape	Shape schema wrapper.
ShapeDatum	ShapeDatum schema wrapper.
ShapeValue	ShapeValue schema wrapper.
Size	Size schema wrapper.
SizeDatum	SizeDatum schema wrapper.
SizeValue	SizeValue schema wrapper.
Stroke	Stroke schema wrapper.
StrokeDash	StrokeDash schema wrapper.
StrokeDashDatum	StrokeDashDatum schema wrapper.
StrokeDashValue	StrokeDashValue schema wrapper.
StrokeDatum	StrokeDatum schema wrapper.
StrokeOpacity	StrokeOpacity schema wrapper.
StrokeOpacityDatum	StrokeOpacityDatum schema wrapper.
StrokeOpacityValue	StrokeOpacityValue schema wrapper.
StrokeValue	StrokeValue schema wrapper.
StrokeWidth	StrokeWidth schema wrapper.
StrokeWidthDatum	StrokeWidthDatum schema wrapper.
StrokeWidthValue	StrokeWidthValue schema wrapper.
Text	Text schema wrapper.
TextDatum	TextDatum schema wrapper.
TextValue	TextValue schema wrapper.
Theta	Theta schema wrapper.
Theta2	Theta2 schema wrapper.
Theta2Datum	Theta2Datum schema wrapper.
Theta2Value	Theta2Value schema wrapper.
ThetaDatum	ThetaDatum schema wrapper.
ThetaValue	ThetaValue schema wrapper.
Tooltip	Tooltip schema wrapper.
TooltipValue	TooltipValue schema wrapper.
Url	Url schema wrapper.
UrlValue	UrlValue schema wrapper.
X	X schema wrapper.
X2	X2 schema wrapper.
X2Datum	X2Datum schema wrapper.
X2Value	X2Value schema wrapper.
XDatum	XDatum schema wrapper.
XError	XError schema wrapper.
XError2	XError2 schema wrapper.
XError2Value	XError2Value schema wrapper.
XErrorValue	XErrorValue schema wrapper.
XOffset	XOffset schema wrapper.
XOffsetDatum	XOffsetDatum schema wrapper.
XOffsetValue	XOffsetValue schema wrapper.
XValue	XValue schema wrapper.
Y	Y schema wrapper.
Y2	Y2 schema wrapper.
Y2Datum	Y2Datum schema wrapper.
Y2Value	Y2Value schema wrapper.
YDatum	YDatum schema wrapper.
YError	YError schema wrapper.
YError2	YError2 schema wrapper.
YError2Value	YError2Value schema wrapper.
YErrorValue	YErrorValue schema wrapper.
YOffset	YOffset schema wrapper.
YOffsetDatum	YOffsetDatum schema wrapper.
YOffsetValue	YOffsetValue schema wrapper.
YValue	YValue schema wrapper.

API Functions

binding	A generic binding.
binding_checkbox	A checkbox binding.
binding_radio	A radio button binding.
binding_range	A range binding.
binding_select	A select binding.
check_fields_and_encodings
concat	Concatenate charts horizontally.
condition	A conditional attribute or encoding.
graticule	Graticule generator.
hconcat	Concatenate charts horizontally.
layer	Layer multiple charts.
param	Create a named parameter, see https://altair-viz.github.io/user_guide/interactions.html for examples.
repeat	Tie a channel to the row or column within a repeated chart.
selection_interval	Create an interval selection parameter.
selection_point	Create a point selection parameter.
sequence	Sequence generator.
sphere	Sphere generator.
topo_feature	A convenience function for extracting features from a topojson url.
value	Specify a value for use in an encoding.
vconcat	Concatenate charts vertically.
when	Start a when-then-otherwise condition.

Theme

active	Return the name of the currently active theme.
enable	Enable a theme by name.
get	Return the currently active theme.
names	Return the names of the registered and entry points themes.
options	Return the current themes options dictionary.
register	Decorator for registering a theme function.
unregister	Remove and return a previously registered theme.
ThemeConfig	Top-Level Configuration TypedDict for creating a consistent theme.
AreaConfigKwds	altair.AreaConfig TypedDict wrapper.
AutoSizeParamsKwds	altair.AutoSizeParams TypedDict wrapper.
AxisConfigKwds	altair.AxisConfig TypedDict wrapper.
AxisResolveMapKwds	altair.AxisResolveMap TypedDict wrapper.
BarConfigKwds	altair.BarConfig TypedDict wrapper.
BindCheckboxKwds	altair.BindCheckbox TypedDict wrapper.
BindDirectKwds	altair.BindDirect TypedDict wrapper.
BindInputKwds	altair.BindInput TypedDict wrapper.
BindRadioSelectKwds	altair.BindRadioSelect TypedDict wrapper.
BindRangeKwds	altair.BindRange TypedDict wrapper.
BoxPlotConfigKwds	altair.BoxPlotConfig TypedDict wrapper.
BrushConfigKwds	altair.BrushConfig TypedDict wrapper.
CompositionConfigKwds	altair.CompositionConfig TypedDict wrapper.
ConfigKwds	altair.Config TypedDict wrapper.
DateTimeKwds	altair.DateTime TypedDict wrapper.
DerivedStreamKwds	altair.DerivedStream TypedDict wrapper.
ErrorBandConfigKwds	altair.ErrorBandConfig TypedDict wrapper.
ErrorBarConfigKwds	altair.ErrorBarConfig TypedDict wrapper.
FeatureGeometryGeoJsonPropertiesKwds	altair.FeatureGeometryGeoJsonProperties TypedDict wrapper.
FormatConfigKwds	altair.FormatConfig TypedDict wrapper.
GeoJsonFeatureCollectionKwds	altair.GeoJsonFeatureCollection TypedDict wrapper.
GeoJsonFeatureKwds	altair.GeoJsonFeature TypedDict wrapper.
GeometryCollectionKwds	altair.GeometryCollection TypedDict wrapper.
GradientStopKwds	altair.GradientStop TypedDict wrapper.
HeaderConfigKwds	altair.HeaderConfig TypedDict wrapper.
IntervalSelectionConfigKwds	altair.IntervalSelectionConfig TypedDict wrapper.
IntervalSelectionConfigWithoutTypeKwds	altair.IntervalSelectionConfigWithoutType TypedDict wrapper.
LegendConfigKwds	altair.LegendConfig TypedDict wrapper.
LegendResolveMapKwds	altair.LegendResolveMap TypedDict wrapper.
LegendStreamBindingKwds	altair.LegendStreamBinding TypedDict wrapper.
LineConfigKwds	altair.LineConfig TypedDict wrapper.
LineStringKwds	altair.LineString TypedDict wrapper.
LinearGradientKwds	altair.LinearGradient TypedDict wrapper.
LocaleKwds	altair.Locale TypedDict wrapper.
MarkConfigKwds	altair.MarkConfig TypedDict wrapper.
MergedStreamKwds	altair.MergedStream TypedDict wrapper.
MultiLineStringKwds	altair.MultiLineString TypedDict wrapper.
MultiPointKwds	altair.MultiPoint TypedDict wrapper.
MultiPolygonKwds	altair.MultiPolygon TypedDict wrapper.
NumberLocaleKwds	altair.NumberLocale TypedDict wrapper.
OverlayMarkDefKwds	altair.OverlayMarkDef TypedDict wrapper.
PaddingKwds
PointKwds	altair.Point TypedDict wrapper.
PointSelectionConfigKwds	altair.PointSelectionConfig TypedDict wrapper.
PointSelectionConfigWithoutTypeKwds	altair.PointSelectionConfigWithoutType TypedDict wrapper.
PolygonKwds	altair.Polygon TypedDict wrapper.
ProjectionConfigKwds	altair.ProjectionConfig TypedDict wrapper.
ProjectionKwds	altair.Projection TypedDict wrapper.
RadialGradientKwds	altair.RadialGradient TypedDict wrapper.
RangeConfigKwds	altair.RangeConfig TypedDict wrapper.
RectConfigKwds	altair.RectConfig TypedDict wrapper.
ResolveKwds	altair.Resolve TypedDict wrapper.
RowColKwds	A Generic two-item dict.
ScaleConfigKwds	altair.ScaleConfig TypedDict wrapper.
ScaleInvalidDataConfigKwds	altair.ScaleInvalidDataConfig TypedDict wrapper.
ScaleResolveMapKwds	altair.ScaleResolveMap TypedDict wrapper.
SelectionConfigKwds	altair.SelectionConfig TypedDict wrapper.
StepKwds	altair.Step TypedDict wrapper.
StyleConfigIndexKwds	altair.StyleConfigIndex TypedDict wrapper.
TickConfigKwds	altair.TickConfig TypedDict wrapper.
TimeIntervalStepKwds	altair.TimeIntervalStep TypedDict wrapper.
TimeLocaleKwds	altair.TimeLocale TypedDict wrapper.
TitleConfigKwds	altair.TitleConfig TypedDict wrapper.
TitleParamsKwds	altair.TitleParams TypedDict wrapper.
TooltipContentKwds	altair.TooltipContent TypedDict wrapper.
TopLevelSelectionParameterKwds	altair.TopLevelSelectionParameter TypedDict wrapper.
VariableParameterKwds	altair.VariableParameter TypedDict wrapper.
ViewBackgroundKwds	altair.ViewBackground TypedDict wrapper.
ViewConfigKwds	altair.ViewConfig TypedDict wrapper.

Low-Level Schema Wrappers

Aggregate	Aggregate schema wrapper.
AggregateOp	AggregateOp schema wrapper.
AggregateTransform	AggregateTransform schema wrapper.
AggregatedFieldDef	AggregatedFieldDef schema wrapper.
Align	Align schema wrapper.
AllSortString	AllSortString schema wrapper.
AnyMark	AnyMark schema wrapper.
AnyMarkConfig	AnyMarkConfig schema wrapper.
AreaConfig	AreaConfig schema wrapper.
ArgmaxDef	ArgmaxDef schema wrapper.
ArgminDef	ArgminDef schema wrapper.
AutoSizeParams	AutoSizeParams schema wrapper.
AutosizeType	AutosizeType schema wrapper.
Axis	Axis schema wrapper.
AxisConfig	AxisConfig schema wrapper.
AxisOrient	AxisOrient schema wrapper.
AxisResolveMap	AxisResolveMap schema wrapper.
BBox	BBox schema wrapper.
BarConfig	BarConfig schema wrapper.
BaseTitleNoValueRefs	BaseTitleNoValueRefs schema wrapper.
Baseline	Baseline schema wrapper.
BinExtent	BinExtent schema wrapper.
BinParams	BinParams schema wrapper.
BinTransform	BinTransform schema wrapper.
BindCheckbox	BindCheckbox schema wrapper.
BindDirect	BindDirect schema wrapper.
BindInput	BindInput schema wrapper.
BindRadioSelect	BindRadioSelect schema wrapper.
BindRange	BindRange schema wrapper.
Binding	Binding schema wrapper.
BinnedTimeUnit	BinnedTimeUnit schema wrapper.
Blend	Blend schema wrapper.
BoxPlot	BoxPlot schema wrapper.
BoxPlotConfig	BoxPlotConfig schema wrapper.
BoxPlotDef	BoxPlotDef schema wrapper.
BrushConfig	BrushConfig schema wrapper.
CalculateTransform	CalculateTransform schema wrapper.
Categorical	Categorical schema wrapper.
ColorDef	ColorDef schema wrapper.
ColorName	ColorName schema wrapper.
ColorScheme	ColorScheme schema wrapper.
CompositeMark	CompositeMark schema wrapper.
CompositeMarkDef	CompositeMarkDef schema wrapper.
CompositionConfig	CompositionConfig schema wrapper.
ConcatSpecGenericSpec	ConcatSpecGenericSpec schema wrapper.
ConditionalAxisColor	ConditionalAxisColor schema wrapper.
ConditionalAxisLabelAlign	ConditionalAxisLabelAlign schema wrapper.
ConditionalAxisLabelBaseline	ConditionalAxisLabelBaseline schema wrapper.
ConditionalAxisLabelFontStyle	ConditionalAxisLabelFontStyle schema wrapper.
ConditionalAxisLabelFontWeight	ConditionalAxisLabelFontWeight schema wrapper.
ConditionalAxisNumber	ConditionalAxisNumber schema wrapper.
ConditionalAxisNumberArray	ConditionalAxisNumberArray schema wrapper.
ConditionalAxisPropertyAlignnull	ConditionalAxisPropertyAlignnull schema wrapper.
ConditionalAxisPropertyColornull	ConditionalAxisPropertyColornull schema wrapper.
ConditionalAxisPropertyFontStylenull	ConditionalAxisPropertyFontStylenull schema wrapper.
ConditionalAxisPropertyFontWeightnull	ConditionalAxisPropertyFontWeightnull schema wrapper.
ConditionalAxisPropertyTextBaselinenull	ConditionalAxisPropertyTextBaselinenull schema wrapper.
ConditionalAxisPropertynumberArraynull	ConditionalAxisPropertynumberArraynull schema wrapper.
ConditionalAxisPropertynumbernull	ConditionalAxisPropertynumbernull schema wrapper.
ConditionalAxisPropertystringnull	ConditionalAxisPropertystringnull schema wrapper.
ConditionalAxisString	ConditionalAxisString schema wrapper.
ConditionalMarkPropFieldOrDatumDef	ConditionalMarkPropFieldOrDatumDef schema wrapper.
ConditionalMarkPropFieldOrDatumDefTypeForShape	ConditionalMarkPropFieldOrDatumDefTypeForShape schema wrapper.
ConditionalParameterMarkPropFieldOrDatumDef	ConditionalParameterMarkPropFieldOrDatumDef schema wrapper.
ConditionalParameterMarkPropFieldOrDatumDefTypeForShape	ConditionalParameterMarkPropFieldOrDatumDefTypeForShape schema wrapper.
ConditionalParameterStringFieldDef	ConditionalParameterStringFieldDef schema wrapper.
ConditionalParameterValueDefGradientstringnullExprRef	ConditionalParameterValueDefGradientstringnullExprRef schema wrapper.
ConditionalParameterValueDefTextExprRef	ConditionalParameterValueDefTextExprRef schema wrapper.
ConditionalParameterValueDefnumber	ConditionalParameterValueDefnumber schema wrapper.
ConditionalParameterValueDefnumberArrayExprRef	ConditionalParameterValueDefnumberArrayExprRef schema wrapper.
ConditionalParameterValueDefnumberExprRef	ConditionalParameterValueDefnumberExprRef schema wrapper.
ConditionalParameterValueDefstringExprRef	ConditionalParameterValueDefstringExprRef schema wrapper.
ConditionalParameterValueDefstringnullExprRef	ConditionalParameterValueDefstringnullExprRef schema wrapper.
ConditionalPredicateMarkPropFieldOrDatumDef	ConditionalPredicateMarkPropFieldOrDatumDef schema wrapper.
ConditionalPredicateMarkPropFieldOrDatumDefTypeForShape	ConditionalPredicateMarkPropFieldOrDatumDefTypeForShape schema wrapper.
ConditionalPredicateStringFieldDef	ConditionalPredicateStringFieldDef schema wrapper.
ConditionalPredicateValueDefAlignnullExprRef	ConditionalPredicateValueDefAlignnullExprRef schema wrapper.
ConditionalPredicateValueDefColornullExprRef	ConditionalPredicateValueDefColornullExprRef schema wrapper.
ConditionalPredicateValueDefFontStylenullExprRef	ConditionalPredicateValueDefFontStylenullExprRef schema wrapper.
ConditionalPredicateValueDefFontWeightnullExprRef	ConditionalPredicateValueDefFontWeightnullExprRef schema wrapper.
ConditionalPredicateValueDefGradientstringnullExprRef	ConditionalPredicateValueDefGradientstringnullExprRef schema wrapper.
ConditionalPredicateValueDefTextBaselinenullExprRef	ConditionalPredicateValueDefTextBaselinenullExprRef schema wrapper.
ConditionalPredicateValueDefTextExprRef	ConditionalPredicateValueDefTextExprRef schema wrapper.
ConditionalPredicateValueDefnumber	ConditionalPredicateValueDefnumber schema wrapper.
ConditionalPredicateValueDefnumberArrayExprRef	ConditionalPredicateValueDefnumberArrayExprRef schema wrapper.
ConditionalPredicateValueDefnumberArraynullExprRef	ConditionalPredicateValueDefnumberArraynullExprRef schema wrapper.
ConditionalPredicateValueDefnumberExprRef	ConditionalPredicateValueDefnumberExprRef schema wrapper.
ConditionalPredicateValueDefnumbernullExprRef	ConditionalPredicateValueDefnumbernullExprRef schema wrapper.
ConditionalPredicateValueDefstringExprRef	ConditionalPredicateValueDefstringExprRef schema wrapper.
ConditionalPredicateValueDefstringnullExprRef	ConditionalPredicateValueDefstringnullExprRef schema wrapper.
ConditionalStringFieldDef	ConditionalStringFieldDef schema wrapper.
ConditionalValueDefGradientstringnullExprRef	ConditionalValueDefGradientstringnullExprRef schema wrapper.
ConditionalValueDefTextExprRef	ConditionalValueDefTextExprRef schema wrapper.
ConditionalValueDefnumber	ConditionalValueDefnumber schema wrapper.
ConditionalValueDefnumberArrayExprRef	ConditionalValueDefnumberArrayExprRef schema wrapper.
ConditionalValueDefnumberExprRef	ConditionalValueDefnumberExprRef schema wrapper.
ConditionalValueDefstringExprRef	ConditionalValueDefstringExprRef schema wrapper.
ConditionalValueDefstringnullExprRef	ConditionalValueDefstringnullExprRef schema wrapper.
Config	Config schema wrapper.
CsvDataFormat	CsvDataFormat schema wrapper.
Cursor	Cursor schema wrapper.
Cyclical	Cyclical schema wrapper.
Data	Data schema wrapper.
DataFormat	DataFormat schema wrapper.
DataSource	DataSource schema wrapper.
Datasets	Datasets schema wrapper.
DateTime	DateTime schema wrapper.
DatumDef	DatumDef schema wrapper.
Day	Day schema wrapper.
DensityTransform	DensityTransform schema wrapper.
DerivedStream	DerivedStream schema wrapper.
Dict	Dict schema wrapper.
DictInlineDataset	DictInlineDataset schema wrapper.
DictSelectionInit	DictSelectionInit schema wrapper.
DictSelectionInitInterval	DictSelectionInitInterval schema wrapper.
Diverging	Diverging schema wrapper.
DomainUnionWith	DomainUnionWith schema wrapper.
DsvDataFormat	DsvDataFormat schema wrapper.
Element	Element schema wrapper.
Encoding	Encoding schema wrapper.
EncodingSortField	EncodingSortField schema wrapper.
ErrorBand	ErrorBand schema wrapper.
ErrorBandConfig	ErrorBandConfig schema wrapper.
ErrorBandDef	ErrorBandDef schema wrapper.
ErrorBar	ErrorBar schema wrapper.
ErrorBarConfig	ErrorBarConfig schema wrapper.
ErrorBarDef	ErrorBarDef schema wrapper.
ErrorBarExtent	ErrorBarExtent schema wrapper.
EventStream	EventStream schema wrapper.
EventType	EventType schema wrapper.
Expr	Expr schema wrapper.
ExprRef	ExprRef schema wrapper.
ExtentTransform	ExtentTransform schema wrapper.
FacetEncodingFieldDef	FacetEncodingFieldDef schema wrapper.
FacetFieldDef	FacetFieldDef schema wrapper.
FacetMapping	FacetMapping schema wrapper.
FacetSpec	FacetSpec schema wrapper.
FacetedEncoding	FacetedEncoding schema wrapper.
FacetedUnitSpec	FacetedUnitSpec schema wrapper.
Feature	Feature schema wrapper.
FeatureCollection	FeatureCollection schema wrapper.
FeatureGeometryGeoJsonProperties	FeatureGeometryGeoJsonProperties schema wrapper.
Field	Field schema wrapper.
FieldDefWithoutScale	FieldDefWithoutScale schema wrapper.
FieldEqualPredicate	FieldEqualPredicate schema wrapper.
FieldGTEPredicate	FieldGTEPredicate schema wrapper.
FieldGTPredicate	FieldGTPredicate schema wrapper.
FieldLTEPredicate	FieldLTEPredicate schema wrapper.
FieldLTPredicate	FieldLTPredicate schema wrapper.
FieldName	FieldName schema wrapper.
FieldOneOfPredicate	FieldOneOfPredicate schema wrapper.
FieldOrDatumDefWithConditionDatumDefGradientstringnull	FieldOrDatumDefWithConditionDatumDefGradientstringnull schema wrapper.
FieldOrDatumDefWithConditionDatumDefnumber	FieldOrDatumDefWithConditionDatumDefnumber schema wrapper.
FieldOrDatumDefWithConditionDatumDefnumberArray	FieldOrDatumDefWithConditionDatumDefnumberArray schema wrapper.
FieldOrDatumDefWithConditionDatumDefstringnull	FieldOrDatumDefWithConditionDatumDefstringnull schema wrapper.
FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull	FieldOrDatumDefWithConditionMarkPropFieldDefGradientstringnull schema wrapper.
FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull	FieldOrDatumDefWithConditionMarkPropFieldDefTypeForShapestringnull schema wrapper.
FieldOrDatumDefWithConditionMarkPropFieldDefnumber	FieldOrDatumDefWithConditionMarkPropFieldDefnumber schema wrapper.
FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray	FieldOrDatumDefWithConditionMarkPropFieldDefnumberArray schema wrapper.
FieldOrDatumDefWithConditionStringDatumDefText	FieldOrDatumDefWithConditionStringDatumDefText schema wrapper.
FieldOrDatumDefWithConditionStringFieldDefText	FieldOrDatumDefWithConditionStringFieldDefText schema wrapper.
FieldOrDatumDefWithConditionStringFieldDefstring	FieldOrDatumDefWithConditionStringFieldDefstring schema wrapper.
FieldRange	FieldRange schema wrapper.
FieldRangePredicate	FieldRangePredicate schema wrapper.
FieldValidPredicate	FieldValidPredicate schema wrapper.
FilterTransform	FilterTransform schema wrapper.
Fit	Fit schema wrapper.
FlattenTransform	FlattenTransform schema wrapper.
FoldTransform	FoldTransform schema wrapper.
FontStyle	FontStyle schema wrapper.
FontWeight	FontWeight schema wrapper.
FormatConfig	FormatConfig schema wrapper.
Generator	Generator schema wrapper.
GenericUnitSpecEncodingAnyMark	GenericUnitSpecEncodingAnyMark schema wrapper.
GeoJsonFeature	GeoJsonFeature schema wrapper.
GeoJsonFeatureCollection	GeoJsonFeatureCollection schema wrapper.
GeoJsonProperties	GeoJsonProperties schema wrapper.
Geometry	Geometry schema wrapper.
GeometryCollection	GeometryCollection schema wrapper.
Gradient	Gradient schema wrapper.
GradientStop	GradientStop schema wrapper.
GraticuleGenerator	GraticuleGenerator schema wrapper.
GraticuleParams	GraticuleParams schema wrapper.
HConcatSpecGenericSpec	HConcatSpecGenericSpec schema wrapper.
Header	Header schema wrapper.
HeaderConfig	HeaderConfig schema wrapper.
HexColor	HexColor schema wrapper.
ImputeMethod	ImputeMethod schema wrapper.
ImputeParams	ImputeParams schema wrapper.
ImputeSequence	ImputeSequence schema wrapper.
ImputeTransform	ImputeTransform schema wrapper.
InlineData	InlineData schema wrapper.
InlineDataset	InlineDataset schema wrapper.
Interpolate	Interpolate schema wrapper.
IntervalSelectionConfig	IntervalSelectionConfig schema wrapper.
IntervalSelectionConfigWithoutType	IntervalSelectionConfigWithoutType schema wrapper.
JoinAggregateFieldDef	JoinAggregateFieldDef schema wrapper.
JoinAggregateTransform	JoinAggregateTransform schema wrapper.
JsonDataFormat	JsonDataFormat schema wrapper.
LabelOverlap	LabelOverlap schema wrapper.
LatLongDef	LatLongDef schema wrapper.
LatLongFieldDef	LatLongFieldDef schema wrapper.
LayerRepeatMapping	LayerRepeatMapping schema wrapper.
LayerRepeatSpec	LayerRepeatSpec schema wrapper.
LayerSpec	LayerSpec schema wrapper.
LayoutAlign	LayoutAlign schema wrapper.
Legend	Legend schema wrapper.
LegendBinding	LegendBinding schema wrapper.
LegendConfig	LegendConfig schema wrapper.
LegendOrient	LegendOrient schema wrapper.
LegendResolveMap	LegendResolveMap schema wrapper.
LegendStreamBinding	LegendStreamBinding schema wrapper.
LineConfig	LineConfig schema wrapper.
LineString	LineString schema wrapper.
LinearGradient	LinearGradient schema wrapper.
LocalMultiTimeUnit	LocalMultiTimeUnit schema wrapper.
LocalSingleTimeUnit	LocalSingleTimeUnit schema wrapper.
Locale	Locale schema wrapper.
LoessTransform	LoessTransform schema wrapper.
LogicalAndPredicate	LogicalAndPredicate schema wrapper.
LogicalNotPredicate	LogicalNotPredicate schema wrapper.
LogicalOrPredicate	LogicalOrPredicate schema wrapper.
LookupData
LookupSelection	LookupSelection schema wrapper.
LookupTransform	LookupTransform schema wrapper.
Mark	Mark schema wrapper.
MarkConfig	MarkConfig schema wrapper.
MarkDef	MarkDef schema wrapper.
MarkInvalidDataMode	MarkInvalidDataMode schema wrapper.
MarkPropDefGradientstringnull	MarkPropDefGradientstringnull schema wrapper.
MarkPropDefnumber	MarkPropDefnumber schema wrapper.
MarkPropDefnumberArray	MarkPropDefnumberArray schema wrapper.
MarkPropDefstringnullTypeForShape	MarkPropDefstringnullTypeForShape schema wrapper.
MarkType	MarkType schema wrapper.
MergedStream	MergedStream schema wrapper.
Month	Month schema wrapper.
MultiLineString	MultiLineString schema wrapper.
MultiPoint	MultiPoint schema wrapper.
MultiPolygon	MultiPolygon schema wrapper.
MultiTimeUnit	MultiTimeUnit schema wrapper.
NamedData	NamedData schema wrapper.
NonArgAggregateOp	NonArgAggregateOp schema wrapper.
NonLayerRepeatSpec	NonLayerRepeatSpec schema wrapper.
NonNormalizedSpec	NonNormalizedSpec schema wrapper.
NumberLocale	NumberLocale schema wrapper.
NumericArrayMarkPropDef	NumericArrayMarkPropDef schema wrapper.
NumericMarkPropDef	NumericMarkPropDef schema wrapper.
OffsetDef	OffsetDef schema wrapper.
OrderFieldDef	OrderFieldDef schema wrapper.
OrderOnlyDef	OrderOnlyDef schema wrapper.
OrderValueDef	OrderValueDef schema wrapper.
Orient	Orient schema wrapper.
Orientation	Orientation schema wrapper.
OverlayMarkDef	OverlayMarkDef schema wrapper.
Padding	Padding schema wrapper.
ParameterExtent	ParameterExtent schema wrapper.
ParameterName	ParameterName schema wrapper.
ParameterPredicate	ParameterPredicate schema wrapper.
Parse	Parse schema wrapper.
ParseValue	ParseValue schema wrapper.
PivotTransform	PivotTransform schema wrapper.
Point	Point schema wrapper.
PointSelectionConfig	PointSelectionConfig schema wrapper.
PointSelectionConfigWithoutType	PointSelectionConfigWithoutType schema wrapper.
PolarDef	PolarDef schema wrapper.
Polygon	Polygon schema wrapper.
Position	Position schema wrapper.
Position2Def	Position2Def schema wrapper.
PositionDatumDef	PositionDatumDef schema wrapper.
PositionDatumDefBase	PositionDatumDefBase schema wrapper.
PositionDef	PositionDef schema wrapper.
PositionFieldDef	PositionFieldDef schema wrapper.
PositionFieldDefBase	PositionFieldDefBase schema wrapper.
PositionValueDef	PositionValueDef schema wrapper.
Predicate	Predicate schema wrapper.
PredicateComposition	PredicateComposition schema wrapper.
PrimitiveValue	PrimitiveValue schema wrapper.
Projection	Projection schema wrapper.
ProjectionConfig	ProjectionConfig schema wrapper.
ProjectionType	ProjectionType schema wrapper.
QuantileTransform	QuantileTransform schema wrapper.
RadialGradient	RadialGradient schema wrapper.
RangeConfig	RangeConfig schema wrapper.
RangeEnum	RangeEnum schema wrapper.
RangeRaw	RangeRaw schema wrapper.
RangeRawArray	RangeRawArray schema wrapper.
RangeScheme	RangeScheme schema wrapper.
RectConfig	RectConfig schema wrapper.
RegressionTransform	RegressionTransform schema wrapper.
RelativeBandSize	RelativeBandSize schema wrapper.
RepeatMapping	RepeatMapping schema wrapper.
RepeatRef	RepeatRef schema wrapper.
RepeatSpec	RepeatSpec schema wrapper.
Resolve	Resolve schema wrapper.
ResolveMode	ResolveMode schema wrapper.
Root	Root schema wrapper.
RowColLayoutAlign	RowColLayoutAlign schema wrapper.
RowColboolean	RowColboolean schema wrapper.
RowColnumber	RowColnumber schema wrapper.
RowColumnEncodingFieldDef	RowColumnEncodingFieldDef schema wrapper.
SampleTransform	SampleTransform schema wrapper.
Scale	Scale schema wrapper.
ScaleBinParams	ScaleBinParams schema wrapper.
ScaleBins	ScaleBins schema wrapper.
ScaleConfig	ScaleConfig schema wrapper.
ScaleDatumDef	ScaleDatumDef schema wrapper.
ScaleFieldDef	ScaleFieldDef schema wrapper.
ScaleInterpolateEnum	ScaleInterpolateEnum schema wrapper.
ScaleInterpolateParams	ScaleInterpolateParams schema wrapper.
ScaleInvalidDataConfig	ScaleInvalidDataConfig schema wrapper.
ScaleInvalidDataShowAsValueangle	ScaleInvalidDataShowAsValueangle schema wrapper.
ScaleInvalidDataShowAsValuecolor	ScaleInvalidDataShowAsValuecolor schema wrapper.
ScaleInvalidDataShowAsValuefill	ScaleInvalidDataShowAsValuefill schema wrapper.
ScaleInvalidDataShowAsValuefillOpacity	ScaleInvalidDataShowAsValuefillOpacity schema wrapper.
ScaleInvalidDataShowAsValueopacity	ScaleInvalidDataShowAsValueopacity schema wrapper.
ScaleInvalidDataShowAsValueradius	ScaleInvalidDataShowAsValueradius schema wrapper.
ScaleInvalidDataShowAsValueshape	ScaleInvalidDataShowAsValueshape schema wrapper.
ScaleInvalidDataShowAsValuesize	ScaleInvalidDataShowAsValuesize schema wrapper.
ScaleInvalidDataShowAsValuestroke	ScaleInvalidDataShowAsValuestroke schema wrapper.
ScaleInvalidDataShowAsValuestrokeDash	ScaleInvalidDataShowAsValuestrokeDash schema wrapper.
ScaleInvalidDataShowAsValuestrokeOpacity	ScaleInvalidDataShowAsValuestrokeOpacity schema wrapper.
ScaleInvalidDataShowAsValuestrokeWidth	ScaleInvalidDataShowAsValuestrokeWidth schema wrapper.
ScaleInvalidDataShowAsValuetheta	ScaleInvalidDataShowAsValuetheta schema wrapper.
ScaleInvalidDataShowAsValuex	ScaleInvalidDataShowAsValuex schema wrapper.
ScaleInvalidDataShowAsValuexOffset	ScaleInvalidDataShowAsValuexOffset schema wrapper.
ScaleInvalidDataShowAsValuey	ScaleInvalidDataShowAsValuey schema wrapper.
ScaleInvalidDataShowAsValueyOffset	ScaleInvalidDataShowAsValueyOffset schema wrapper.
ScaleInvalidDataShowAsangle	ScaleInvalidDataShowAsangle schema wrapper.
ScaleInvalidDataShowAscolor	ScaleInvalidDataShowAscolor schema wrapper.
ScaleInvalidDataShowAsfill	ScaleInvalidDataShowAsfill schema wrapper.
ScaleInvalidDataShowAsfillOpacity	ScaleInvalidDataShowAsfillOpacity schema wrapper.
ScaleInvalidDataShowAsopacity	ScaleInvalidDataShowAsopacity schema wrapper.
ScaleInvalidDataShowAsradius	ScaleInvalidDataShowAsradius schema wrapper.
ScaleInvalidDataShowAsshape	ScaleInvalidDataShowAsshape schema wrapper.
ScaleInvalidDataShowAssize	ScaleInvalidDataShowAssize schema wrapper.
ScaleInvalidDataShowAsstroke	ScaleInvalidDataShowAsstroke schema wrapper.
ScaleInvalidDataShowAsstrokeDash	ScaleInvalidDataShowAsstrokeDash schema wrapper.
ScaleInvalidDataShowAsstrokeOpacity	ScaleInvalidDataShowAsstrokeOpacity schema wrapper.
ScaleInvalidDataShowAsstrokeWidth	ScaleInvalidDataShowAsstrokeWidth schema wrapper.
ScaleInvalidDataShowAstheta	ScaleInvalidDataShowAstheta schema wrapper.
ScaleInvalidDataShowAsx	ScaleInvalidDataShowAsx schema wrapper.
ScaleInvalidDataShowAsxOffset	ScaleInvalidDataShowAsxOffset schema wrapper.
ScaleInvalidDataShowAsy	ScaleInvalidDataShowAsy schema wrapper.
ScaleInvalidDataShowAsyOffset	ScaleInvalidDataShowAsyOffset schema wrapper.
ScaleResolveMap	ScaleResolveMap schema wrapper.
ScaleType	ScaleType schema wrapper.
SchemaBase	Base class for schema wrappers.
SchemeParams	SchemeParams schema wrapper.
SecondaryFieldDef	SecondaryFieldDef schema wrapper.
SelectionConfig	SelectionConfig schema wrapper.
SelectionInit	SelectionInit schema wrapper.
SelectionInitInterval	SelectionInitInterval schema wrapper.
SelectionInitIntervalMapping	SelectionInitIntervalMapping schema wrapper.
SelectionInitMapping	SelectionInitMapping schema wrapper.
SelectionParameter	SelectionParameter schema wrapper.
SelectionResolution	SelectionResolution schema wrapper.
SelectionType	SelectionType schema wrapper.
SequenceGenerator	SequenceGenerator schema wrapper.
SequenceParams	SequenceParams schema wrapper.
SequentialMultiHue	SequentialMultiHue schema wrapper.
SequentialSingleHue	SequentialSingleHue schema wrapper.
ShapeDef	ShapeDef schema wrapper.
SharedEncoding	SharedEncoding schema wrapper.
SingleDefUnitChannel	SingleDefUnitChannel schema wrapper.
SingleTimeUnit	SingleTimeUnit schema wrapper.
Sort	Sort schema wrapper.
SortArray	SortArray schema wrapper.
SortByChannel	SortByChannel schema wrapper.
SortByChannelDesc	SortByChannelDesc schema wrapper.
SortByEncoding	SortByEncoding schema wrapper.
SortField	SortField schema wrapper.
SortOrder	SortOrder schema wrapper.
Spec	Spec schema wrapper.
SphereGenerator	SphereGenerator schema wrapper.
StackOffset	StackOffset schema wrapper.
StackTransform	StackTransform schema wrapper.
StandardType	StandardType schema wrapper.
Step	Step schema wrapper.
StepFor	StepFor schema wrapper.
Stream	Stream schema wrapper.
StringFieldDef	StringFieldDef schema wrapper.
StringFieldDefWithCondition	StringFieldDefWithCondition schema wrapper.
StringValueDefWithCondition	StringValueDefWithCondition schema wrapper.
StrokeCap	StrokeCap schema wrapper.
StrokeJoin	StrokeJoin schema wrapper.
StyleConfigIndex	StyleConfigIndex schema wrapper.
SymbolShape	SymbolShape schema wrapper.
TextBaseline	TextBaseline schema wrapper.
TextDef	TextDef schema wrapper.
TextDirection	TextDirection schema wrapper.
TickConfig	TickConfig schema wrapper.
TickCount	TickCount schema wrapper.
TimeInterval	TimeInterval schema wrapper.
TimeIntervalStep	TimeIntervalStep schema wrapper.
TimeLocale	TimeLocale schema wrapper.
TimeUnit	TimeUnit schema wrapper.
TimeUnitParams	TimeUnitParams schema wrapper.
TimeUnitTransform	TimeUnitTransform schema wrapper.
TimeUnitTransformParams	TimeUnitTransformParams schema wrapper.
TitleAnchor	TitleAnchor schema wrapper.
TitleConfig	TitleConfig schema wrapper.
TitleFrame	TitleFrame schema wrapper.
TitleOrient	TitleOrient schema wrapper.
TitleParams	TitleParams schema wrapper.
TooltipContent	TooltipContent schema wrapper.
TopLevelConcatSpec	TopLevelConcatSpec schema wrapper.
TopLevelFacetSpec	TopLevelFacetSpec schema wrapper.
TopLevelHConcatSpec	TopLevelHConcatSpec schema wrapper.
TopLevelLayerSpec	TopLevelLayerSpec schema wrapper.
TopLevelParameter	TopLevelParameter schema wrapper.
TopLevelRepeatSpec	TopLevelRepeatSpec schema wrapper.
TopLevelSelectionParameter	TopLevelSelectionParameter schema wrapper.
TopLevelSpec	TopLevelSpec schema wrapper.
TopLevelUnitSpec	TopLevelUnitSpec schema wrapper.
TopLevelVConcatSpec	TopLevelVConcatSpec schema wrapper.
TopoDataFormat	TopoDataFormat schema wrapper.
Transform	Transform schema wrapper.
Type	Type schema wrapper.
TypeForShape	TypeForShape schema wrapper.
TypedFieldDef	TypedFieldDef schema wrapper.
URI	URI schema wrapper.
UnitSpec	UnitSpec schema wrapper.
UnitSpecWithFrame	UnitSpecWithFrame schema wrapper.
UrlData	UrlData schema wrapper.
UtcMultiTimeUnit	UtcMultiTimeUnit schema wrapper.
UtcSingleTimeUnit	UtcSingleTimeUnit schema wrapper.
VConcatSpecGenericSpec	VConcatSpecGenericSpec schema wrapper.
ValueDefWithConditionMarkPropFieldOrDatumDefGradientstringnull	ValueDefWithConditionMarkPropFieldOrDatumDefGradientstringnull schema wrapper.
ValueDefWithConditionMarkPropFieldOrDatumDefTypeForShapestringnull	ValueDefWithConditionMarkPropFieldOrDatumDefTypeForShapestringnull schema wrapper.
ValueDefWithConditionMarkPropFieldOrDatumDefnumber	ValueDefWithConditionMarkPropFieldOrDatumDefnumber schema wrapper.
ValueDefWithConditionMarkPropFieldOrDatumDefnumberArray	ValueDefWithConditionMarkPropFieldOrDatumDefnumberArray schema wrapper.
ValueDefWithConditionMarkPropFieldOrDatumDefstringnull	ValueDefWithConditionMarkPropFieldOrDatumDefstringnull schema wrapper.
ValueDefWithConditionStringFieldDefText	ValueDefWithConditionStringFieldDefText schema wrapper.
ValueDefnumber	ValueDefnumber schema wrapper.
ValueDefnumberwidthheightExprRef	ValueDefnumberwidthheightExprRef schema wrapper.
VariableParameter	VariableParameter schema wrapper.
Vector10string	Vector10string schema wrapper.
Vector12string	Vector12string schema wrapper.
Vector2DateTime	Vector2DateTime schema wrapper.
Vector2Vector2number	Vector2Vector2number schema wrapper.
Vector2boolean	Vector2boolean schema wrapper.
Vector2number	Vector2number schema wrapper.
Vector2string	Vector2string schema wrapper.
Vector3number	Vector3number schema wrapper.
Vector7string	Vector7string schema wrapper.
VegaLiteSchema
ViewBackground	ViewBackground schema wrapper.
ViewConfig	ViewConfig schema wrapper.
WindowEventType	WindowEventType schema wrapper.
WindowFieldDef	WindowFieldDef schema wrapper.
WindowOnlyOp	WindowOnlyOp schema wrapper.
WindowTransform	WindowTransform schema wrapper.

API Utility Classes

expr	Utility providing constants and classmethods to construct expressions.
When	Utility class for when-then-otherwise conditions.
Then	Utility class for when-then-otherwise conditions.
ChainedWhen	Utility class for when-then-otherwise conditions.

Typing

ChannelAngle
ChannelColor
ChannelColumn
ChannelDescription
ChannelDetail
ChannelFacet
ChannelFill
ChannelFillOpacity
ChannelHref
ChannelKey
ChannelLatitude
ChannelLatitude2
ChannelLongitude
ChannelLongitude2
ChannelOpacity
ChannelOrder
ChannelRadius
ChannelRadius2
ChannelRow
ChannelShape
ChannelSize
ChannelStroke
ChannelStrokeDash
ChannelStrokeOpacity
ChannelStrokeWidth
ChannelText
ChannelTheta
ChannelTheta2
ChannelTooltip
ChannelUrl
ChannelX
ChannelX2
ChannelXError
ChannelXError2
ChannelXOffset
ChannelY
ChannelY2
ChannelYError
ChannelYError2
ChannelYOffset
ChartType
EncodeKwds	Encoding channels map properties of the data to visual properties of the chart.
Optional
is_chart_type	Return True if the object is an Altair chart.