[ome-users] .dv large time series file open bug?

[Daniel White]

Hi Bio-formats  folks,


here is some more info about opening large time series .dv files, from the
software engineers at the DeltaVision factory.

Does the latest .dv file format spec doc you have include the below info?

If not, let me know.


cheers


Dan



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There are two types of .dv formats: the old one, and the new one that we
started using in 2006 which allows for much larger numbers of time-points.
>From our software team, here’s the logic needed to determine the number of
time-points in the file from the header of any .dv image file.  The
complexity comes from backwards compatibility, but it should be
straightforward enough!



determine the image file type by reading the 16-bit integer at header byte
160



if the image file type is >= 100 then

determine the number of time-points from the 32-bit integer at header byte
852



else if the image file type is < 100 then

determine the number of time-points from the 16-bit integer at header byte
180



If you could pass this along to the bioformats group, that would be great.


Let me know if you/they need any more information.


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