NetCDFReporter issue

The functionality of OpenMM will (eventually) include everything that one would need to run modern molecular simulation.
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Alexej Jerschow
Posts: 22
Joined: Tue Mar 10, 2020 7:31 am

NetCDFReporter issue

Post by Alexej Jerschow » Sat Jan 13, 2024 2:32 pm

I am using the parmed.openmm.NetCDFReporter to write NetCDF files (.nc extension), but they cannot be opened in VMD, and MDAnalysis also produces the following error:

TypeError: NCDF trajectory .... does not conform to AMBER specifications, as detailed in https://ambermd.org/netcdf/nctraj.xhtml (NetCDF file does not use 64 bit offsets [version_byte = 2])

Is this a known issue, or are there other options to get around this issue?

I do want to use netcdf because I want to include velocities. (The DCDReporter works, but does not include velocities).

Thank you
Alexej

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Peter Eastman
Posts: 2551
Joined: Thu Aug 09, 2007 1:25 pm

Re: NetCDFReporter issue

Post by Peter Eastman » Sat Jan 13, 2024 5:55 pm

Problems in ParmEd need to be reported at https://github.com/ParmEd/ParmEd/issues. I don't think the author reads this forum.

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Alexej Jerschow
Posts: 22
Joined: Tue Mar 10, 2020 7:31 am

Re: NetCDFReporter issue

Post by Alexej Jerschow » Sat Jan 13, 2024 6:28 pm

Thank you!

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