ChannelMetadata

class nominal.ChannelMetadata

A channel’s units, description, and data type.

The catalog side of a channel. nominal.Channel is the streaming side, where points are written.

m = ds.channelMetadata("rpm");
m.Unit

ds.setChannelMetadata("rpm", "double", Unit="1/min");

Metadata is per dataset. Setting a unit on “rpm” in one dataset does not set it on “rpm” in another.

See also

nominal.Dataset, nominal.Channel

Constructor Summary

Property Summary

Name

Channel name.

Unit

UCUM unit symbol, or “” if unset.

Description

Description, or “” if unset.

DataType

“double”, “string”, “int”, and so on.

DatasourceRid

RID of the dataset this channel belongs to.