🐛 mni_icbm152_t1_tal_nlin_asym_09c vs. tpl-MNI152NLin2009cAsym

[shnizzedy]

Describe the bug

Both of these templates (mni_icbm152_t1_tal_nlin_asym_09c.nii packaged in C-PAC & tpl-MNI152NLin2009cAsym from TemplateFlow) seem to be templates for space-MNI152NLin2009cAsym but they aren't identical.

Expected behavior

Templates are identical or have different names

Acceptance criteria

• These two templates are differentiated

C-PAC version

v1.8.5-dev

Additional context

They both have b'mnc2nii mni_icbm152_nlin_asym_09c/mni_icbm152_t1_tal_nlin_asym_09c.mnc mni_icbm' as the description in the header, but mni_icbm152_t1_tal_nlin_asym_09c.nii has

cal_max         : 100.0
qoffset_x       : 0.0
qoffset_y       : 0.0
qoffset_z       : 0.0

where tpl-MNI152NLin2009cAsym_res-01_T1w.nii.gz from TemplateFlow has

cal_max         : 10000.0
qoffset_x       : -96.0
qoffset_y       : -132.0
qoffset_z       : -78.0

They look the same visually,

mni_icbm152_t1_tal_nlin_asym_09c	tpl-MNI152NLin2009cAsym_res-01_T1w

but get_fdata() shows roughly a 100× scaling between the data points (like the cal_max in the headers, although less precisely):

count	8530021.00
mean	101.04
std	7.21
min	-1844.27
25%	100.85
50%	100.92
75%	101.10
max	1029.66

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Gist with files, headers, and images: https://gist.github.com/shnizzedy/03e8ba5ead9987b5a299e2501ec77ae0

[gkiar]

Thanks for using the quickviz script to compare them! Super helpful to see that the correlation of the two is 1.0!

Can we track down a list of all nodes that use the mni_icbm152_t1_tal_nlin_asym_09c file by default? We should do a run that compares a complete pipeline with all of those nodes enabled (if possible), and then repeat it with the Templateflow-named version. I suspect we will see no difference, and then can just remove the old-named version.