class altair.ValueDefWithConditionMarkPropFieldOrDatumDefnumber(condition=Undefined, value=Undefined, **kwds)

ValueDefWithConditionMarkPropFieldOrDatumDefnumber schema wrapper


:class:`ConditionalValueDefnumberExprRef`, List(:class:`ConditionalValueDefnumberExprRef`))

A field definition or one or more value definition(s) with a selection predicate.

valueanyOf(float, ExprRef)

A constant value in visual domain (e.g., "red" / "#0099ff" / gradient definition for color, values between 0 to 1 for opacity).

__init__(condition=Undefined, value=Undefined, **kwds)


__init__([condition, value])

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 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