tdmsinfo
Description
Examples
Get Information on a TDMSFile
Get information on a TDMS file and its channels.
info = tdmsinfo("Turbine_003.tdms")
info = TdmsInfo with properties: Path: "C:\data\tdms\Turbine_003.tdms" Name: "Turbine_003" Description: "Test the Acceleration, Force and Torque of Turbine" Title: "Turbine Tests" Author: "xyz" Version: "2.0" ChannelList: [6×8 table]
View the channel information in the file.
>> info.ChannelList
ans = 6×8 table ChannelGroupNumber ChannelGroupName ChannelGroupDescription ChannelName ChannelDescription Unit DataType NumSamples __________________ ________________ _______________________ _______________ __________________ _______ ________ __________ 1 "Acceleration" "CGAcceleration" "Acceleration1" "from Clipboard" "m/s^2" "Double" 3312 1 "Acceleration" "CGAcceleration" "Acceleration2" "from Clipboard" "m/s^2" "Double" 3312 2 "Force" "CGForce" "Force1" "from Clipboard" "N" "Double" 3312 2 "Force" "CGForce" "Force2" "from Clipboard" "N" "Double" 3312 3 "Torque" "CGTorque" "Torque1" "from Clipboard" "Nm" "Double" 3312 3 "Torque" "CGTorque" "Torque2" "from Clipboard" "Nm" "Double" 3312
Input Arguments
tdmsfile
— TDMS file name
string
TDMS file name, specified as a string.
For local files, use a full or relative path that contains a file name and extension. You also can specify a file on the MATLAB® path.
For Internet files, specify the URL. For example, to read a remote file from the Amazon S3™ cloud:
data = tdmsread("s3://bucketname/path_to_file/data.tdms");
Example: "airlinesmall.tdms"
Data Types: char
| string
Output Arguments
info
— TDMS file information
TdmsInfo
object
TDMS file information, returned as a TdmsInfo
object with the
following properties:
Property | Type | Description |
---|---|---|
Path | string | Full path to file |
Name | string | TDMS file name attribute |
Description | string | TDMS file description attribute |
Title | string | TDMS file title attribute |
Author | string | TDMS file author attribute |
Version | string | TDMS file version attribute |
ChannelList | table | TDMS channel and channel group attributes |
The ChannelList
property value is a table with the following
variables:
Table Variable | Type | Notes |
---|---|---|
ChannelGroupNumber | double | Internally created representational index of channel group |
ChannelGroupName | string | |
ChannelGroupDescription | string | |
ChannelName | string | |
ChannelDescription | string | |
Unit | string | Unit of channel data |
DataType | string | TDMS datatype in file |
NumSamples | uint64 | Number of samples in channel |
Limitations
TDMS functions are supported on Windows® platforms only.
Version History
Introduced in R2022a
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