altair.LookupData#
- class altair.LookupData(data=Undefined, key=Undefined, fields=Undefined, **kwds)#
- __init__(data=Undefined, key=Undefined, fields=Undefined, **kwds)#
Refer to
LookupData
LookupData schema wrapper.- Parameters:
- datadict,
Data
,UrlData
,Generator
,NamedData
,DataSource
,InlineData
,SphereGenerator
,SequenceGenerator
,GraticuleGenerator
Secondary data source to lookup in.
- keystr,
FieldName
Key in data to lookup.
- fieldsSequence[str,
FieldName
] Fields in foreign data or selection to lookup. If not specified, the entire object is queried.
- datadict,
Methods
__init__
([data, key, fields])Refer to
LookupData
LookupData schema wrapper.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
(*args, **kwargs)Convert the chart to a dictionary suitable for JSON export.
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.