int8

Convert OPC HDA data object array to int8 matrix

Syntax

Vint8 = int8(DObj)

Description

Vint8 = int8(DObj) converts the OPC HDA data object array DObj into an int8 matrix.

DObj must have the same time stamps for each of the Item IDs (elements of DObj), otherwise an error is generated. Use tsunion, tsintersect, or resample to generate an OPC HDA data object containing the same time stamp for all items in the object.

Examples

Convert OPC HDA Data to int8 Matrix

Load the OPC HDA example data file, convert the hdaDataSmall object to have the same time stamps, and create an int8 matrix from the result.

load opcSampleHdaData;
dUnion = tsunion(hdaDataSmall);
Vint8 = int8(dUnion);

Input Arguments

DObj — OPC HDA data

OPC HDA data object array

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

Output Arguments

Vint8 — OPC HDA data values

int8 matrix

OPC HDA data values, returned as an int8 matrix. Vint8 is constructed as an M-by-N matrix of int8 values, where M is the number of items in DObj and N is the number of time stamps in the array.

Version History

Introduced in R2011a