Display Large Files

[XpeteX]

I have a large file saved from labview that is 20 mins of data. I try to display it in Excel but the file is to big and doesn't load completely. I was wondering if there was a different program or a way that can load the file and display the analog information back to me, so that I can analyze and go over the data of why certain things occured.

[mikeporter]

Well LV can do it. What format is the data in and how are you wanting to display it? graph? table?

Mike...

[GerdW]

Hi Pete,

have a look at Diadem - the big data presentation/mining program also distributed by NI!
It can handle Excel data but isn't limited in the same way as Excel 🙂

Yes, NI does a lot of advertising for this program. No, I'm not working for NI

[XpeteX]

Yea it saves in a .csv format

[XpeteX]

It saves an analog sihnal, and I want to just display the signal back ... so yea a graph would be fine ^^

[DFGray]

If you want to do it directly from LabVIEW, check out Managing Large Data Sets in LabVIEW.  You may also want to open up the LVM read express VI.  It has a few chunking techniques that may be of interest.

Let us know if you need more help.

[IanW]

The example data is only a small size of 300 scans for 4 channels. This is too big to fit in excell as you have the scans as columns (excel has a limit of 256). If you transpose your data before you save then you will get 4 columns and 300 rows. This will then fit into excell (up to about 65000 rows I think).

With your data as it is the attached file shows you the basics to read your file into Labview.

Ian