I would vote for bzip2 over compressed tiff.
For a test 50 frame, 1.4G stack, pbzip2 gives a 214M archive, while mrc2tif gives a 264M tiff - and pbzip2 is much faster to compress/decompress at least on my system (GPU workstation with 24 cores/48 threads)
Cheers
Oli
> On Jun 3, 2018, at 9:00 AM, Dimitry Tegunov <[log in to unmask]> wrote:
>
> Hey!
>
> In addition to what Takanori wrote: If you're stuck with EPU for data collection, this tool can run on the K2 computer to convert gain-uncorrected MRCs to compressed TIFFs on-the-fly: https://github.com/dtegunov/stacker2. It will also happily compress your old files, assuming they contain only integers.
>
> I very much hope that one day we will get an EPU version with TIFF support for K2/3 data. And with most of SerialEM's functionality. And a pony. In this exact order, please ;-)
>
> Cheers,
> Dimitry
>
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