altair.LookupData#
- class altair.LookupData(data=Undefined, key=Undefined, fields=Undefined, **kwds)#
- __init__(data=Undefined, key=Undefined, fields=Undefined, **kwds)#
Refer to
LookupDataLookupData 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
LookupDataLookupData 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.