AICONSlab/MIRACL

[Feature Request] miracl_connect_csd_tractography.sh - option for multi-shell response algorithm

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#196 opened on Apr 20, 2026

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enhancementhelp wanted

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Description

Under line 221, I was wondering if there could be a possibility to allow for multi-shell response algorithm rather than the single-shell approach that is currently present and it could help better characterize fiber crossings

if [[ ! -f $wm_response ]]; then

    dwi2response dhollander $dti $wm_response $gm_response $csf_response \
        -mask $mask -fslgrad $bvec $bval \
        > >(tee response.err) 2> >(tee response.out >&2)

Contributor guide

Research direction
Investigate the multi shell response algorithm in MRtrix3's dwi2response command, specifically the 'dhollander' option, and how to modify the script to allow multi shell algorithm selection via a command line argument.
Tech stack
shell
Domain
data
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
shell scriptingdiffusion MRI basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50