altair.SortField

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

SortField schema wrapper.

A sort definition for transform

Parameters:

fieldstr, FieldName

The name of the field to sort.

orderNone, SortOrder, Literal[‘ascending’, ‘descending’]

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])	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, indent, sort_keys, ...])	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.