altair.SortField

class altair.SortField(field=Undefined, order=Undefined, **kwds)

SortField schema wrapper

Mapping(required=[field]) A sort definition for transform

Attributes

fieldFieldName

The name of the field to sort.

orderanyOf(SortOrder, None)

Whether to sort the field in ascending or descending order. One of "ascending" (default), "descending", or null (no not sort).

__init__(field=Undefined, order=Undefined, **kwds)

Methods

__init__([field, order])
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