getIndexFromID

Indices matching OPC HDA data item IDs

Syntax

ind = getIndexFromID(dObj,itemID)

Description

ind = getIndexFromID(dObj,itemID) returns the index of HDA data object array dObj that matches the item ID.

Examples

Find Index of OPC HDA Data Items

Load the OPC HDA example data file and find the index of 'Example.Item.1' and 'Example.Item.2'.

load opcSampleHdaData;
ind = getIndexFromID(hdaDataVis,{'Example.Item.1','Example.Item.2'})

ind =

     1     2

Input Arguments

dObj — Raw OPC HDA data

OPC HDA data object

Raw OPC HDA data, specified as an OPC HDA data object.

itemID — HDA item ID

character vector | cell array of character vectors

OPC HDA data item ID, specified as a character vector or cell array of character vectors.

Example: 'Random.Real4'

Output Arguments

ind — Index of data item

scalar | vector

Index of the specified data item, returned as a scalar or a vector.

Version History

Introduced before R2006a