altair.OrderValueDef#
- class altair.OrderValueDef(value=Undefined, condition=Undefined, **kwds)#
OrderValueDef schema wrapper
Mapping(required=[value])
- Attributes
- valueanyOf(float,
ExprRef) A constant value in visual domain (e.g.,
"red"/"#0099ff"/ gradient definition for color, values between0to1for opacity).- conditionanyOf(
ConditionalValueDefnumber, - List(:class:`ConditionalValueDefnumber`))
One or more value definition(s) with a parameter or a test predicate.
Note: A field definition’s
conditionproperty can only contain conditional value definitions since Vega-Lite only allows at most one encoded field per encoding channel.
- valueanyOf(float,
- __init__(value=Undefined, condition=Undefined, **kwds)#
Methods
__init__([value, condition])copy([deep, ignore])Return a copy of the object
from_dict(dct[, validate, _wrapper_classes])Construct class from a dictionary representation
from_json(json_string[, validate])Instantiate the object from a valid JSON string
resolve_references([schema])Resolve references in the context of this object's schema or root schema.
to_dict([validate, ignore, context])Return a dictionary representation of the object
to_json([validate, ignore, context, indent, ...])Emit the JSON representation for this object as a string.
validate(instance[, schema])Validate the instance against the class schema in the context of the rootschema.
validate_property(name, value[, schema])Validate a property against property schema in the context of the rootschema