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AFNI Atlas Location Query (whereami)

Library: AFNI | Docker Image: brainlife/afni

Function

Reports anatomical atlas labels for given coordinates or identifies regions in multiple atlases simultaneously.

Modality: MNI or Talairach coordinates, or labeled dataset.

Typical Use: Identifying anatomical locations of activation peaks.

Key Parameters

-coord_file (coordinate file), -atlas (atlas name), -lpi/-rai (coordinate system)

Key Points

Queries multiple atlases at once by default. Coordinates must match atlas space.

Inputs

Name Type Required Label Flag
coord double[] No Brain location in mm (x y z)
coord_file File No Input coordinates from file -coord_file
lpi boolean No Input uses LPI/SPM orientation -lpi
rai boolean No Input uses RAI/DICOM orientation -rai
atlas string No Specify atlas(es) to use -atlas
show_atlas_code boolean No Show integer code to area label map -show_atlas_code
show_atlas_region string No Show region using symbolic notation (Atlas:Side:Area) -show_atlas_region
mask_atlas_region string No Create mask for specified region -mask_atlas_region
prefix string No Output prefix for mask datasets -prefix
space string No Template space (MNI, TLRC, etc.) -space
dset File No Determine template space from reference dataset -dset
max_areas int No Maximum distinct areas to report -max_areas
max_search_radius double No Maximum search distance -max_search_radius
min_prob double No Minimum probability threshold for probabilistic atlases -min_prob
bmask File No Report overlap of non-zero voxels with atlas regions -bmask
omask File No Report each ROI overlap separately -omask
classic boolean No Standard output format -classic
tab boolean No Tab-delimited output format -tab

Accepted Input Extensions

  • coord_file: .1D, .txt
  • dset: .nii, .nii.gz, +orig.HEAD, +orig.BRIK, +tlrc.HEAD, +tlrc.BRIK
  • bmask: .nii, .nii.gz, +orig.HEAD, +orig.BRIK, +tlrc.HEAD, +tlrc.BRIK
  • omask: .nii, .nii.gz, +orig.HEAD, +orig.BRIK, +tlrc.HEAD, +tlrc.BRIK

Outputs

Name Type Glob Pattern
output stdout
mask_output File $(inputs.prefix)+tlrc.*, $(inputs.prefix)+orig.*, $(inputs.prefix).nii*
log File whereami.log

Output Extensions

  • output: .txt
  • mask_output: +orig.HEAD, +orig.BRIK, +tlrc.HEAD, +tlrc.BRIK, .nii, .nii.gz

Docker Tags

Available versions: latest, 16.3.0

Categories

  • Utilities > AFNI > ROI Utilities

Documentation

Official Documentation