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editorial
. 2022 Aug 23;7(Pt 9):x220821. doi: 10.1107/S2414314622008215

Table 1. Core metadata list and their data names in imgCIF.

Minimal metadata imgCIF data name
Data binary format _array_structure.byte_order, _array_structure_compression_type, _array_structure.encoding_type
   
Number of pixels, pixel size (binning mode) _array_structure_list.index _array_structure_list.dimension _array_structure_list_axis.displacement_increment
   
Beam center (mm) _axis.offset[1..3] (needs _axis category, see below) _diffrn_scan_frame_axis.displacement
   
Origin of data frame _array_structure_list.precedence (1 or 2) _array_structure_list.direction (increasing or decreasing)
   
Wavelength _diffraction_radiation_wavelength.value(/wavelength) or _diffraction_radiation.type
   
Rotation axis _diffrn_scan_axis.axis_id _diffrn_scan_axis.angle_start _diffrn_scan_axis.angle_range
   
Rotation range per frame/number of frames _diffrn_scan_axis.angle_increment,_diffrn_scan.frames _diffrn_scan_frame.frame_number
   
Axes and offsets _axis.id, _axis.type, _axis.depends_on, _axis.vector[1] _axis.vector[2] _axis.vector[3] _axis.offset[1] _axis.offset[2] _axis.offset[3]
   
Detector-to-sample distance _diffrn_scan_axis.displacement_start _diffrn_scan_axis.displacement_range
   
Conditions _diffrn.ambient_temperature