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Blaine

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Comments and Ratings by Blaine View all
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01 Dec 2011 TDMS Reader Read TDMS files v1 & v2 without DLL Current Version: 2.5 Author: Jim Hokanson

I'm new to TDMS files I just assumed that they can all be read the same. The test file I have is just an example file I downloaded from NI. I wasn't aware that Raw DAQ MX was different than any other TDMS file.

30 Nov 2011 TDMS Reader Read TDMS files v1 & v2 without DLL Current Version: 2.5 Author: Jim Hokanson

I tried to open my large data file with:

[tmp,metaStruct] = TDMS_readTDMSfile('C:\Users\bjmarti4.NDC\Desktop\FIRST_LIGHT_CO2.tdms','GET_DATA_OPTION','getnone')

I get the following error:

??? Error using ==> TDMS_processLeadIn at 50
Currently code is unable to ignore/handle Raw Daq MX data

Error in ==> TDMS_preprocessFile at 179
[flags,info] = TDMS_processLeadIn(fid,lastLetter);

Error in ==> TDMS_readTDMSFile at 223
metaStruct = TDMS_preprocessFile(fid,tdmsFileName,paramsStruct);

Error in ==> TDMS_exampleFunctionCalls at 95
[tmp,metaStruct] =
TDMS_readTDMSfile('C:\Users\bjmarti4.NDC\Desktop\FIRST_LIGHT_CO2.tdms','GET_DATA_OPTION','getnone')

I was able to open a small test file, but when I try to open my data file is when I get the error

29 Nov 2011 TDMS Reader Read TDMS files v1 & v2 without DLL Current Version: 2.5 Author: Jim Hokanson

Is it possible to only read sections of a large (~3.5 GB) TDMS file with your code? I would like to work with pieces of the data at a time. If so, how would I do it?

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