[3dem] different mrc formats in relion-1.2 and xmipp-3 ---- solved!
Dieter Blaas
dieter.blaas at meduniwien.ac.at
Mon Jul 15 01:33:28 PDT 2013
Thanks to all for your willingness to help with this matter!
Roberto clarified the issue - *Thank you Roberto!*
I cite him:
" In the past MRC did not differentiate between volumes and stacks.
In the past, (up to version 3.1) xmipp policy has been:
1) if the image extension is mrc then it is a volume
2) if the image extension is mrcs then it is an stack
3) users may force a file to be a volume or an stack by adding :mrc
(volume) or :mrcs (stack) after the file name
Note that the file itself does not change only the way the file is
interpreted is different
Following Dr Herderson recommendations, starting in version 3.1, xmipp
will handle MRC files as follows:
header word 10th: MZ, equal to 1 if stack, MZ=NZ if volume
header word 23rd: ISPG 0-> image/stack, 1 -> volume, 401 -> volume/stack
For more details see note 4 in page
http://xmipp.cnb.csic.es/twiki/bin/view/Xmipp/ImageFormats"
Dieter
--
------------------------------------------------------------------------
Dieter Blaas,
Max F. Perutz Laboratories
Medical University of Vienna,
Inst. Med. Biochem., Vienna Biocenter (VBC),
Dr. Bohr Gasse 9/3,
A-1030 Vienna, Austria,
Tel: 0043 1 4277 61630,
Fax: 0043 1 4277 9616,
e-mail: dieter.blaas at meduniwien.ac.at
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