OpenMC/docs/source/io_formats/volume.rst

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.. _io_volume:
==================
Volume File Format
==================
The current version of the volume file format is 1.0.
**/**
:Attributes: - **filetype** (*char[]*) -- String indicating the type of file.
- **version** (*int[2]*) -- Major and minor version of the summary
file format.
- **openmc_version** (*int[3]*) -- Major, minor, and release
version number for OpenMC.
- **git_sha1** (*char[40]*) -- Git commit SHA-1 hash.
- **date_and_time** (*char[]*) -- Date and time the summary was
written.
- **domain_type** (*char[]*) -- The type of domain for which
volumes are calculated, either 'cell', 'material', or 'universe'.
- **samples** (*int*) -- Number of samples
- **lower_left** (*double[3]*) -- Lower-left coordinates of
bounding box
- **upper_right** (*double[3]*) -- Upper-right coordinates of
bounding box
- **threshold** (*double*) -- Threshold used for volume uncertainty
- **trigger_type** (*char[]*) -- Trigger type used for volume uncertainty
**/domain_<id>/**
:Datasets: - **volume** (*double[2]*) -- Calculated volume and its uncertainty
in cubic centimeters
- **nuclides** (*char[][]*) -- Names of nuclides identified in the
domain
- **atoms** (*double[][2]*) -- Total number of atoms of each nuclide
and its uncertainty