MATLAB Help Center
Indices matching OPC HDA data item IDs
ind = getIndexFromID(dObj,itemID)
ind = getIndexFromID(dObj,itemID) returns the index of HDA data object array dObj that matches the item ID.
ind
dObj
itemID
example
collapse all
Load the OPC HDA example data file and find the index of 'Example.Item.1' and 'Example.Item.2'.
'Example.Item.1'
'Example.Item.2'
load opcSampleHdaData; ind = getIndexFromID(hdaDataVis,{'Example.Item.1','Example.Item.2'})
ind = 1 2
Raw OPC HDA data, specified as an OPC HDA data object.
OPC HDA data item ID, specified as a character vector or cell array of character vectors.
Example: 'Random.Real4'
'Random.Real4'
Index of the specified data item, returned as a scalar or a vector.
Introduced before R2006a
getDescription
getIDFromName
getNameList
getIDList
You clicked a link that corresponds to this MATLAB command:
Run the command by entering it in the MATLAB Command Window. Web browsers do not support MATLAB commands.
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Americas
Europe
Asia Pacific
Contact your local office