TDM to ASCII

[dkhydromet]

I made a file to convert TDM, then to write up the ascii file. At this
point,
this .vi can only handle one single TDM file. I want to put the loop this
.vi,
then to convert multiple number of TDM files into ascii with a serise of
names
such as T1.ascii, T2.ascii, and etc.

Thanks,
DK.

[Donovan_B]

Hi DK,

Thank you for contacting National Instruments.  I added to your VI to allow automated conversion of TDM to ASCII simply by selecting the directory where the TDM files are stored.  I have attached a screenshot, but if you would like the VI, please let me know what version of LabVIEW you are using.  Hope this helps.

[dkhydromet]

If you can provide the vi file same as in the figure, it should be much helpful. The version of Labview which I use is Labview 8.0

Thanks,

DK.

[Donovan_B]

Because some of the VIs I was using are not available in LabVIEW 8.0, I went through and made some changes, but it actually cleans the code up quite nicely.  I hope this works for you.

[Francesca_B]

Dear NI,
I'm using NI Labview 2015 SP 32bit trying to convert TDM to ASCII file. I downloaded and succesfully used TDM80.vi but I need a different output file: I need all the values to be in column. With this vi I obtain a matrix, I need a vector instead. How can I change the output? And how do I know the number of rows after conversion?

Thanks

[Gryffindor]

Hi Francesca,

What does the data file that you are currently using look like? Could you attach it? 

If you need to take a subset of the array coming out of the Read Data (Channel) Express VI. You can transpose, take subsets, and sizes of the array if you need to convert a smaller portion of the array.

I have included links to another converter, as well as the array functions list to give you some places to get started.

Array Functions

https://zone.ni.com/reference/en-XX/help/371361M-01/glang/array_functions/

TDMS to ASCII File Converter

https://decibel.ni.com/content/docs/DOC-9642

[Francesca_B]

Dear Gryffindor,

I'm measuring tension values during time. After conversion TDM-ASCII, all the measured values are not a vector but a matrix. I wrote a Matlab function to manage them, even because with Matlab I can easily fit them. I used function "reshape" to get a vector from the matrix. 
Thank you for your help