Unable to Load TDM File Without TDX File

Updated Jan 25, 2019

Reported In

Software

  • DIAdem

Issue Details

  • When I load a .TDM file from explorer to the DIAdem Data Portal, it returns following error : Cannot load the file with .TDM. The system cannot find the file specified.
  • When I load a .TDM file from PC to the Excel, it returns following error : USI encountered an exception. The system cannot find the file specified
  • My .TDM or .TDX file is corrupted.  
 

Solution

.TDM and .TDX files are a pair. Both are required to be opened the files successfully. A .TDM file can be created through LabVIEW, LabWindows™/CVI™, Measurement Studio, SignalExpress, and DIAdem. A .TDM file automatically creates a .TDX file with an identical name. If either the .TDM or .TDX is missing, the error will appear as seen in Figures 1 and 2. 

 


Figure 1. DIAdem TDM load error


Figure 2. Excel TDM load error

The meta data is saved in XML format in a .TDM file. The bulk data are saved in a compact binary form in a .TDX file. If either file is lost, the other file is not recoverable programmatically.  It is possible to manually create a .TDM file. However this requires strong knowledge in the binary construction of .TDM files. For more information about this format, refer to this page.

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