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Add support for loading GIFTI surface files #14

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Add support for loading GIFTI surface files #14

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14 changes: 11 additions & 3 deletions library/voxeldepths_from_surfaces.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,17 @@ def load_fs_surf_in_grid(surf_file, grid_to_scanner, label_file=None):
by using the grid_to_scanner transformation (e.g. affine function a functional nifti image).
"""
# load freesurfer surface
coords, faces, volume_info = nib.freesurfer.read_geometry(
surf_file, read_metadata=True
)
fs_to_scanner = np.eye(4)
if surf_file[-4:] == ".gii":
surf_gii = nib.load(surf_file)
coords = surf_gii.agg_data("NIFTI_INTENT_POINTSET")
faces = surf_gii.agg_data("NIFTI_INTENT_TRIANGLE")
volume_info = {"cras": np.array([0.0, 0.0, 0.0])}
else:
# load freesurfer surface
coords, faces, volume_info = nib.freesurfer.read_geometry(
surf_file, read_metadata=True
)

# if label file provided
if label_file is not None:
Expand Down