ENH: add gradunwarp base workflow for f/smriprep. #819
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## master #819 +/- ##
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I'm guessing if you want circle / gh to run the test, you'll need to install gradunwarp right? |
niworkflows/workflows/gradunwarp.py
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| itk_warp_data = fsl_warp.get_fdata().reshape(fsl_warp.shape[:3]+(1,3)) | ||
| itk_warp_data[...,(0,1)] *= -1 | ||
| itk_warp = fsl_warp.__class__(itk_warp_data, fsl_warp.affine) | ||
| itk_warp.header.set_intent("vector") | ||
| out_fname = fname_presuffix(in_warp, suffix="_itk", newpath=os.getcwd()) | ||
| itk_warp.to_filename(out_fname) |
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nitransforms should do all the manipulations for you
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I might have missed something, but from what I understood what needs to be provided to Ants ApplyTransform are ITK warpfields. In nitransforms I cannot see any function to output non-linear warp in ITK format from nitransforms object https://nitransforms.readthedocs.io/en/latest/_api/io.html#nitransforms.io.itk.ITKDisplacementsField, it seems to only deal with inputs. Thus, my attempt to invert that input step.
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Yeah, it looks like you are totally right (and I did the same here a while ago - https://github.com/nipreps/sdcflows/blob/375dd7a024abcd5d4d2b282241a037d76f9719e6/sdcflows/transform.py#L286-L292)
Would you like to become a proud contributor to nitransforms? :D
If not (or either way, actually), may I ask you to file an issue requesting this to be implemented there?
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
Co-authored-by: Chris Markiewicz <[email protected]>
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I don't understand why I am getting errors on the T1w file when testing the gradunwarp pipeline. How does that ds0000030 differs from the openeuro one? |
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Working on nipreps/fmriprep#1550.
Relies on an updated version of the gradunwarp https://github.com/bpinsard/gradunwarp/tree/fix/mem_leaks.