nipy/nibabel 2.2.0

on GitHub

New feature release for the 2.2 series.

Most work on NiBabel so far has been by Matthew Brett (MB), Michael Hanke (MH)
Ben Cipollini (BC), Marc-Alexandre Côté (MC), Chris Markiewicz (CM), Stephan
Gerhard (SG) and Eric Larson (EL).

References like "pr/298" refer to github pull request numbers.

New features

• CIFTI support (pr/249) (Satra Ghosh, Michiel Cottaar, BC, CM, Demian
  Wassermann, MB)
• Support for MRtrix TCK streamlines file format (pr/486) (MC, reviewed by
  MB, Arnaud Bore, J-Donald Tournier, Jean-Christophe Houde)
• Added get_fdata() as default method to retrieve scaled floating point
  data from DataobjImages (pr/551) (MB, reviewed by CM, Satra Ghosh)

Enhancements

• Support for alternative header field name variants in .PAR files
  (pr/507) (Gregory R. Lee)
• Various enhancements to streamlines API by MC: support for reading TRK
  version 1 (pr/512); concatenation of tractograms using +/+= operators
  (pr/495); function to concatenate multiple ArraySequence objects (pr/494)
• Support for numpy 1.12 (pr/500, pr/502) (MC, MB)
• Allow dtype specifiers as fileslice input (pr/485) (MB)
• Support "headerless" ArrayProxy specification, enabling memory-efficient
  ArrayProxy reshaping (pr/521) (CM)
• Allow unknown NIfTI intent codes, add FSL codes (pr/528) (Paul McCarthy)
• Improve error handling for img.__getitem__ (pr/533) (Ariel Rokem)
• Delegate reorientation to SpatialImage classes (pr/544) (Mark Hymers, CM,
  reviewed by MB)
• Enable using indexed_gzip to reduce memory usage when reading from
  gzipped NIfTI and MGH files (pr/552) (Paul McCarthy, reviewed by MB, CM)

Bug fixes

• Miscellaneous MINC reader fixes (pr/493) (Robert D. Vincent, reviewed by CM,
  MB)
• Fix corner case in wrapstruct.get (pr/516) (Paul McCarthy, reviewed by
  CM, MB)

Maintenance

• Fix documentation errors (pr/517, pr/536) (Fernando Perez, Venky Reddy)
• Documentation update (pr/514) (Ivan Gonzalez)
• Update testing to use pre-release builds of dependencies (pr/509) (MB)
• Better warnings when nibabel not on path (pr/503) (MB)

API changes and deprecations

• header argument to ArrayProxy.__init__ is renamed to spec
• Deprecation of header property of ArrayProxy object, for removal in
  3.0
• wrapstruct.get now returns entries evaluating False, instead of None
• DataobjImage.get_data to be deprecated April 2018, scheduled for removal
  April 2020