Check shells DTIRECONST

[arnaudbore]

Is your feature request related to a problem?

If max bval is not enough to extract DTI Shells we end up in a situation where it tries and fails to compute dti metrics with only b0 images.

[AlexVCaron]

I looked how to integrate this. It should be a check in the scilpy script that errors out. Since bvals can vary slightly inside a tolerance window and scil_dwi_extract_shells returns the actual values, there are no clean ways to check for that without a validation script from e.g. scilpy anyway.