Import tdms file into matlab

Hello,
I would like to import tdms file (Labview version 2009) into Matlab (R2012a). I tried to follow a few solution given in this forum, however I couldn't find any that could help me.
I hope anyone can give guidance on how to import these file.
Many thanks
Best regards
Hafisoh

fie wrote:
Thanks to all for the advice..
If you really want to thank them, give them kudos, and mark the answer to the question.
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Does anyone know how to read in a TDMS file into Matlab?

I am trying to read a TDMS file into Matlab. Are the two compatible? How can I import this file into matlab?

A search can turn up wonderful things, such as:
Reading TDM/TDMS Files with The MathWorks, Inc. MATLAB® Software

Getting "... file has and invalid format. (Error no. 11)" when importing .tdms file into DIAdem 11

I developed a script for processing .tdms files in DIAdem 11.1, now I'm deploying the script on the very PXI system that created the .tdms files. This system had DIAdem 11.0, but when I try to open (DataFileLoadSel) the tdms file in my script I get the error message:
"D:\MyFileName.tdms" has an invalid fiel format. (Error no. 11)
The tdms files are created by a LabView application.
If I delete the correspondin .tdms index file, I get a little further, it loads the first two of four groups, using DataFileLoadSel on the first group, and DataFileLoadRed on the 2nd group, on third group, another DataFileLoadRed, I get the following error:
Error in <MyScript> (Line: x, Column: y):
Cannot load the file "D:\MyFileName.tdms" with the loader "TDMS"
Further information:
Cannot open the file "D:\MyFileName.tdms".
Is there a difference between DIAdem 11.0 and 11.1 that affects the import of .tdms files, if so, can I get around it?
Thanks,
Eric
Solved!
Go to Solution.

Hello eberg,
Before we go into more detailed error trapping, could you please try to install the TDMS 2.0 format on the DIAdem 11.0 computer (DIAdem 11.1 and LabVIEW 2009 come with the TDMS 2.0 stuff already installed).
Please get the download here: http://zone.ni.com/devzone/cda/tut/p/id/9995
Once installed, please try running the Scripts again (in DIAdem 11.0) and let us know if that fixed the issue. It might not help to install this, but it's a quick thing to try before we dig deeper into the issue.
Best regards,
Otmar
Otmar D. Foehner
Business Development Manager
DIAdem and Test Data Management
National Instruments
Austin, TX - USA
"For an optimist the glass is half full, for a pessimist it's half empty, and for an engineer is twice bigger than necessary."

How to import .tdms file to Matlab running in Unix system?

I was using DAQmx to acquire 16 channels of sampled data to .tdms format and later on will need to import the data to a Matlab programme. My question is, the Matlab we have is installed in a Unix system. But the tdms to Matlab example given in NI website, as in the link below, has problem when i run it in Unix system.
http://digital.ni.com/public.nsf/websearch/0EEADA99DC7D00A4862572E30037C3A2?opendocument&Submitted&&...
Errors occurred in the "loadlibrary" function. I was told that in Unix system, a different file instead of .dll file shall be used?
Can anyone make an example to read tdms data, that will work in a Matlab installed in Unix system?

I have plenty of experience working in LabVIEW and with TDMS however very little in using it in other software. I have downloaded the example code on this end but since I don't have your software installed on my machine, there is not a ton I can do in walking you through it. However, I understand this is a very helpful newsgroup for that environment.
Since you said you modified the header, to make sure everything is in line prior to entering other program, this is a good resource on the TDMS file structure.
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Dynamically import .m file into Matlab Script

I would like to dynamically load a Matlab .m file into the Matlab Script function in a VI.
In other words, based upon a path to a .m file (control on the FP), load the .m file into the Matlab Script and then execute it.
Does anyone know how to do this?
Solved!
Go to Solution.

Hi RedSoxFanatic,
It's not possible to do what you're asking. However, I can think of a couple options that will give you the same behavior.
1. If you only have a few of your .m files that will be called you can use a case structure with these files already loaded. The user can then choose which case to run.
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Justin D.
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How to Read TDMS Files in Matlab in OSX

Using the example found on the NI website (http://digital.ni.com/public.nsf/allkb/0EEADA99DC7D00A4862572E30037C3A2), I am able to read my TDMS files into Matlab when using a PC. However, when I try to read them on my Mac, I receive an error:
??? There was an error loading the library "/Applications/MATLAB75/work/TDMS_files/dev/bin/nilibddc.so"
Error using ==> loaddefinedlibrary
dlopen(/Applications/MATLAB75/work/TDMS_files/dev/bin/nilibddc.so, 1): image not found
Error in ==> read_tdms at 21
loadlibrary(DLL_Path, H_Path);
My best guess for this error is the fact that Matlab operates through a Linux interface on Mac, which I found will open the file type .so and not .dll for this type of library. Is there some way to get around this in OSX and get it to read the .dll files? Or is there some way to get the libraries as .so files instead of .dll files?
Thanks for any help!
-Shelby

Shelby,
You may wish to look at a Matlab script another user wrote since they were having issues with NI's matlab support:
http://forums.ni.com/ni/board/message?board.id=170&view=by_date_ascending&message.id=318487#M318487
The script supposedly converts TDMS files directly in Matlab with no use of NI generated external DLLs. He was having issues because the NI tools hadn't been updated for the new version of Matlab.

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How does DIADEM import TDMS files? How gets every channel his number and groupindex? How can I determine which channel has which groupindex and number?

I store different channels in a TDMS file.
I like to have a time channel at the first position with group index 1 and number 1.
When I read the TDMS file with DIADEM the time channel (Float64) is on a differernt position, and the channels are not sorted alphabetically.
Here are my questions:
How does DIADEM import TDMS files?
How gets every channel his number and groupindex?
How can I determine which channel has which groupindex and number?
Best regards
Joerg

Hi Jörg,
i suppose that you´re programme whose create the *.tdms file is writing on false position. Try to create datas with timechannel on first indes in diadem, then save it and then open it again. you see that all is correct. So please tell me what programm in what version do you use and please attache it here.
Did you use the library for creating *.tdms files like in the link ?
http://zone.ni.com/devzone/cda/tut/p/id/6471
Here you find the gtdms_8.x.zip - when you extract it and opened the *.llb you find vi´s for all functions e.g. writing 2d array of strings to *.tdms file
when you open the subvi´s then you see how created and writing datas/structure to *.tdms files. Because *.tdms is binary you can´t see structure with open it in editor.
When you don´t have Labview you can use the 30 days test of current version 8.5 under following link
german version download link
https://lumen.ni.com/nicif/d/lveval/content.xhtml
english version download link
https://lumen.ni.com/nicif/us/lveval/content.xhtml
Hope it helps
Best Regards

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Thanks in advance.
Rajesh
Edited by: rajesh amrabad on Sep 11, 2008 10:35 PM

In addition to abobe answers,
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then login to the IR and peoceed as Tools -
> import design objects. Her you will get this .tpz file, just import it.
follow the steps given in this link and check if you are doing the correct thing.
http://help.sap.com/saphelp_nw04/helpdata/en/93/a3a74046033913e10000000a155106/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/ef/a21e3e0987760be10000000a114084/content.htm
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1) You must have the role SAP_XI_ADMINISTRATOR or SAP_XI_CONTENT_ORGANIZER to be able to export and import XI content.
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Hope i have been of some help.

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Import DMP file into Oracle 8.1.5 on Windows 2000

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Thanks,
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Message was edited by:
Paul M.
...and there is always [url http://download-uk.oracle.com/docs/cd/F49540_01/DOC/index.htm]The documentation

Import tdms file into matlab

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