Closed
Description
Andrew Connolly pointed out the following misbehavior:
import numpy as np import nibabel as nib from nose.tools import assert_equal img = nib.Nifti1Image(np.zeros((2,3,4)), None) hdr = img.get_header() hdr['qform_code'] = 3 hdr['sform_code'] = 4 nib.save(img, 'afile.nii') img_back = nib.load('afile.nii') hdr_back = img_back.get_header() # These succeed assert_equal(hdr_back['qform_code'], 3) assert_equal(hdr_back['sform_code'], 4) nib.save(img_back, 'afile2.nii') # These fail - the save has modified the image in memory assert_equal(hdr_back['qform_code'], 3) assert_equal(hdr_back['sform_code'], 4) img_back_again = nib.load('afile2.nii') hdr_back_again = img_back_again.get_header() # These fail - the saved image is also modified assert_equal(hdr_back_again['qform_code'], 3) assert_equal(hdr_back_again['sform_code'], 4)
Metadata
Metadata
Assignees
Labels
No labels