File format name: Gatan Digital Micrograph 3
Maintainer: Gatan
Software that produces this:Gatan Digital Micrograph
Other software that reads this format:Gatan Digital Micrograph, DM3_Reader ImageJ plugin, EMAN
Specifications: Nothing official; see here.
Structure:
See http://rsb.info.nih.gov/ij/plugins/DM3Format.gj.html
This format's structure is not always consistent, so there are probably some older or newer files that aren't opened properly. Also, there is an older Gatan format - Digital Micrograph 2 - that is similar, but not supported. If you have files in this format, please send them to us and we will add support.