One more thing. For those of you where the opposite happens: a few movies
have MORE frames than the others, than one can just extract the common
number of frames using the 'Last movie frame to extract' entry on the
extraction job-type on the GUI.
HTH,
Sjors
> Hi All,
>
> I have a problem with movie refinement and it seems to be related to
> variable frame numbers in different movies.
>
> Basically, I got this error message: "unequal number of frames in
> groupgroup_14 File: src/ml_model.cpp line: 599" and I realised there was
> some data included from a small test with less frames than the rest of the
> movies.
>
> I thought it should be an easy fix just by deleting these lines from the
> particles_movie.star file. So, I deleted them and checked in
> particles_movie.star whether all frames have the same numbers. They did
> and I re-ran the job but it still gave the same message: "unequal number
> of frames in groupgroup_14 File: src/ml_model.cpp line: 599"
>
> Then I went back to the 3D classification results, deleted all the faulty
> lines from the data.star, selected good classes, regrouped them, did the
> 3D refinement and ran the movie refinement again using the "correct" (all
> frame numbers are the same) particles_movie.star but it still gave the
> same error...
>
> So to my knowledge all movies should have the same frame number but they
> don't somehow.
>
> - What to do to see which particular movie in a group causes this error?
> There are hundreds of different movies in this group, more specific error
> log would be helpful..
>
> - Could it be that there's a faulty movie_particle.mrcs file in
> Particles/frames directory responsible for this message? For example,
> there was an error during the movie_particle extraction and not every
> frame info was written properly.
>
> - How to check whether extracted movie_particle.mrcs files actually have
> the right number of frames?
>
> Many thanks for your comments!
>
> Simonas
>
--
Sjors Scheres
MRC Laboratory of Molecular Biology
Francis Crick Avenue, Cambridge Biomedical Campus
Cambridge CB2 0QH, U.K.
tel: +44 (0)1223 267061
http://www2.mrc-lmb.cam.ac.uk/groups/scheres
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