Rigol Wfm File Converter
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While RIGOL oscilloscopes offer great value for money there seems to be a great lack of tools to read RIGOL oscilloscopes waveform (WFM) files.
Based on the protocol extracted by the wfm_view project this project implements a feature complete WFM reader library.
RIGOL Technologies Inc. 8140 SW Nimbus Ave. Beaverton, OR 97008 Phone: 877-4-RIGOL-1 ©2015 Rigol Technologies Inc. WFM file: Tektronix Oscilloscope Waveform Data. Read here what the WFM file is, and what application you need to open or convert it. Rigol DS1000z CSV to LTspice & WFM. The utility also handles even very large CSV files. Conversion of 20 MB. It doesn't accept the waveform files from Rigol. WFM file is a Tektronix Oscilloscope Waveform Data. The Tektronix wfm file format was designed for the internal save and restore of waveform data and the associated display. TEKTRONIX WINDOWS OSCILLOSCOPE WFM CONVERTER. The Waveform Converter is a free. And MATHCAD and MATLAB files (also ASCII files with a.dat file.
The library has been tested with RIGOL DS1052E but should also work with other oscilloscopes.
Additionally a small example application wfmutil.py is included which provides
- Header extraction
- Export to CSV, identical to the internal CSV export of the scope. Just faster.
- Interactive plotting of the waveform, including a FFT.
Rigol Wfm File Format
Features
- Extract all trigger information
- Support for alternate trigger and different time bases
- Correct treatment of time and voltage shifts
Problems
If you run into problems while parsing your waveform, please open an issue.
Examples
Wfm File Converter
Information extraction
CSV export
Note, that this example uses two time bases via alternate trigger. Because ofthis there are two time bases in this CSV export. The exported file isidentical to the files generated by the scope itself.
License
Still not working with the DS1000Z series wfm files.
I have Rigol DS4034 and I have some long .wfm files between 10MB and 70MB and none of them can be opened. Is it a problem with the Rigol DS4034, the header generated or why are not opened? The error is 'Range check error'.
WFMReader is not updated to the current RIGOL 1054Z. Load of the wfm File results into 'ACCESS violation at address 0051313B in Module WFMReader.exe. Write of Addess 0000027C' Improve possible? Sample can be submitted.
many times