is there a plugin to read .dat files from Tecnai TEM microscopes?

[Albert Cardona]

Dear all,

I wonder whether any specs exists on the .dat file format from Tecnai
microscopes, the EMMENU software. I get such files when acquiring a grid of
images (for a montage) with the Position->"Spotscan" method.

The file looks and feels like a byte dump of 16-bit grayscale
images, but just guessing.

I would appreciate if anyone has info to share. A plugin to read them, or at
least details in the byte offset and ordering would be great.

Albert

[Albert Cardona]

After some trial and error I've figured it out. For the record, version 3.0 of
EMMENU saves .dat files as 16-bit signed, 2048x2048 pixels, and a 512 byte
offset, which the ImageJ Import->Raw command has no problem to open.

Albert