Hi Grigory, Yes, that behaviour will be in relion-2.0. Hopefully ready by about summer time. HTH, Sjors > Hello Sjors, > > I have just figured out that relion_preprocess command, when used during > particle extraction, needs ctffind log files in order to populate > particles > star file with ctf values. I was surprised since I have all values in > micrograph star file, defined by --mic_star option. I thought I could > safely remove log files since all info is now contained within star files > (luckily, I had a backup, and didn't have to redo CTF). Is there some > hidden logic behind such behavior? I think it would be handy if relion > could grep values from input star file, since user explicitly defines it > during particle extraction. > > > Best regards, > Grigory > > -------------------------------------------------------------------------------- > Grigory Sharov, Ph.D. > Institute of Genetics and Molecular and Cellular Biology > Integrated Structural Biology Department (CBI) > 1, rue Laurent Fries > 67404 Illkirch, France > tel. 03 69 48 51 00 > e-mail: [log in to unmask] > -- 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