append

R2026b

Combine OPC UA data objects

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    Syntax

    newObj = append(dObj1,dObj2,...,dObjn)

    Description

    newObj = append(dObj1,dObj2,...,dObjn) combines OPC data objects in the time dimension without interpolating or extrapolating data. If multiple inputs have data from the same node, the data is merged into a single element. Data from different nodes is returned as separate elements.

    example

    Examples

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    Load the OPC UA example data file. The uaDataVis and uaDataSample object arrays each contain data from three nodes.

    load opcSampleUaData
combDataObj = append(uaDataVis,uaDataSample)
    combDataObj = 

1-by-6 OPC UA Data object:

      Name          Value           Start Timestamp       End Timestamp                Quality           
    --------  ------------------  -------------------  -------------------  -----------------------------
    Double    9 double values     2015-04-22 09:00:10  2015-04-22 09:01:30  3 unique qualities
    Float     12 single values    2015-04-22 09:00:02  2015-04-22 09:01:30  3 unique qualities
    Int32     12 int32 values     2015-04-22 09:00:02  2015-04-22 09:01:30  3 unique qualities
    Counter   1000 int32 values   2026-05-02 11:33:09  2026-05-02 11:49:48  1 unique quality [Good (Raw)]
    Square    1000 double values  2026-05-02 11:33:09  2026-05-02 11:49:48  1 unique quality [Good (Raw)]
    Sawtooth  1000 double values  2026-05-02 11:33:09  2026-05-02 11:49:48  1 unique quality [Good (Raw)]

    When you combine both arrays, the result is a 1-by-6 object array because the arrays had data from six unique nodes.

    Input Arguments

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    OPC UA data, specified as an array of OPC UA Data objects.

    Output Arguments

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    Combined OPC UA data returned as an array of OPC UA data objects.

    Version History

    Introduced in R2015b

    See Also

    Functions