BUG: smooth centreline in csa did not have good parameters
BUG: smooth centreline in csa did not have good parameters

Former-commit-id: 1e4a046d5d87e0dcd21ddc6ca2eec089e2a971c2 [formerly 2959af4e82f735fb94109eca4ace9a05334a8a38]
Former-commit-id: 14d46b6ce604bc1702445269a4a524cce9682a6b
Former-commit-id: e7d3b739b0666abcbfefa9f96395af2a0b597936
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox