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For more information about the HDF file format, please go to http://www.hdfgroup.org/.
For more information about the NeXus file format, please go to http://www.nexusformat.org/.
The Tomography Nexus format (which is stored in HDF5) is described as follows from the Pandata Europe Deliverable 5.3
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Where image_key is an array which holds for each image either 0,1 or 2 depending if it is a sample, bright field or dark field image.
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Tomo Entry
See http://www.nexusformat.org/http://download.nexusformat.org/sphinx/classes/applications/NXtomo.html.
An example NeXus scan Nexus file, viewed in hdfview, is presented below:
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Please note that the following items are currently essential for running tomography reconstruction with the help of Tomo Recon GUI in Dawn:
- tomo_entry/data/data
- tomo_entry/data/rotation_angle
- tomo_entry/instrument/detector/image_key
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