Parameter List

Tab. 6 gives an overview of all parameters in this file format specification. It lists the expected type and if the parameter supports drifts.

Tab. 6 Parameter overview and support for drifts.

Parameter	Type	Drifts
File
file name	string	no
file description	string	no
file contact	string	no
file date_created	string	no
file date_changed	string	no
file version major	integer	no
file version minor	integer	no
file file_type	string	no
file file_format_version major	integer	no
file file_format_version minor	integer	no
Environment
environment material_id	string	no
environment temperature	float	yes
Geometry
geometry detector center x/y/z	float	yes
geometry detector vector_u x/y/z	float	yes
geometry detector vector_w x/y/z	float	yes
geometry detector deviations	array	see Tab. 7
geometry source type	string	no
geometry source beam_divergence u/v	float	yes
geometry source center x/y/z	float	yes
geometry source vector_u x/y/z	float	yes
geometry source vector_w x/y/z	float	yes
geometry source deviations	array	see Tab. 7
geometry stage center x/y/z	float	yes
geometry stage vector_u x/y/z	float	yes
geometry stage vector_w x/y/z	float	yes
geometry stage deviations	array	see Tab. 7
Detector
detector model	string	no
detector manufacturer	string	no
detector type	string	no
detector columns	integer	yes
detector rows	integer	yes
detector pixel_pitch u/v	float	yes
detector bit_depth	integer	no
detector integration_time	float	yes
detector dead_time	float	yes
detector image_lag	float	yes
detector gray_value imax	float	yes
detector gray_value imin	float	yes
detector gray_value factor	float	yes
detector gray_value offset	float	yes
detector gray_value intensity_characteristics_file	string	yes
detector gray_value efficiency_characteristics_file	string	yes
detector noise snr_at_imax	float	yes
detector noise noise_characteristics_file	string	yes
detector gain	anything	no
detector unsharpness basic_spatial_resolution	float	yes
detector unsharpness mtf	string	yes
detector bad_pixel_map file	string	yes
detector bad_pixel_map type	string	no
detector bad_pixel_map endian	string	no
detector bad_pixel_map headersize	integer	no
detector scintillator material_id	string	no
detector scintillator thickness	float	yes
detector window front	array	–
detector window front material_id	string	no
detector window front thickness	float	yes
detector window rear	array	–
detector window rear material_id	string	no
detector window rear thickness	float	yes
detector filters front	array	–
detector filters front material_id	string	no
detector filters front thickness	float	yes
detector filters rear	array	–
detector filters rear material_id	string	no
detector filters rear thickness	float	yes
Source
source model	string	no
source manufacturer	string	no
source voltage	float	yes
source current	float	yes
source target material_id	string	no
source target type	string	no
source target thickness	float	yes
source target angle incidence	float	yes
source target angle emission	float	yes
source spot size u/v/w	float	yes
source spot sigma u/v/w	float	yes
source spot intensity_map file	string	yes
source spot intensity_map type	string	no
source spot intensity_map dim_x/y/z	integer	no
source spot intensity_map endian	string	no
source spot intensity_map headersize	integer	no
source spectrum monochromatic	boolean	no
source spectrum file	string	yes
source window	array	–
source window material_id	string	no
source window thickness	float	yes
source filters	array	–
source filters material_id	string	no
source filters thickness	float	yes
Samples
samples	array	–
samples name	string	no
samples file	string	yes
samples unit	string	no
samples scaling_factor r/s/t	float	yes
samples material_id	string	no
samples position center u/v/w/x/y/z	float	yes
samples position vector_r u/v/w/x/y/z	float	yes
samples position vector_t u/v/w/x/y/z	float	yes
samples position deviations	array	see Tab. 7
Acquisition
acquisition start_angle	float	no
acquisition stop_angle	float	no
acquisition direction	string	no
acquisition scan_mode	string	no
acquisition scan_speed	float	yes
acquisition number_of_projections	integer	no
acquisition include_final_angle	boolean	no
acquisition frame_average	integer	no
acquisition dark_field number	integer	no
acquisition dark_field frame_average	integer	no
acquisition dark_field ideal	boolean	no
acquisition dark_field correction	boolean	no
acquisition flat_field number	integer	no
acquisition flat_field frame_average	integer	no
acquisition flat_field ideal	boolean	no
acquisition flat_field correction	boolean	no
acquisition pixel_binning u/v	integer	no
acquisition pixel_binning u/v	integer	no
acquisition scattering	boolean	no
Materials
materials	array	–
materials id	string	no
materials name	string	no
materials density	float	yes
materials composition formula	string	yes
materials composition mass_fraction	float	yes

Objects in the scene may come with geometrical deviations. These are defined as an array of deviation objects. The structure of deviation objects is listed in Tab. 7.

Tab. 7 Deviation objects. The "axis" my be defined as a string or object.

Parameter	Type	Drifts
type	string	no
axis	string	no
axis	object	–
axis x/y/z	float	yes
axis u/v/w	float	yes
axis r/s/t	float	yes
pivot x/y/z	float	yes
pivot u/v/w	float	yes
pivot r/s/t	float	yes
amount	float	yes
known_to_reconstruction	boolean	no