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CHANGELOG.rst

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Ndcube v1.3.0 (2020-03-27)

Features

  • Add new NDCollection class for linking and manipulating partially or non-aligned NDCubes or NDCubeSequences. (#238)

Bug Fixes

  • Fixed the files included and excluded from the tarball. (#212)
  • Fix crashing bug when an NDCube axis after the first is sliced with a numpy.int64. (#223)
  • Raises error if NDCube is sliced with an Ellipsis. (#224)
  • Changes behavior of NDCubeSequence slicing. Previously, a slice item of interval length 1 would cause an NDCube object to be returned. Now an NDCubeSequence made up of 1 NDCube is returned. This is consistent with how interval length 1 slice items slice arrays. (#241)

Ndcube v1.2.0 (2019-09-10)

Features

  • Changed all instances of "missing_axis" to "missing_axes" (#157)
  • Added a feature to get the pixel_edges from ndcube.NDCube.axis_world_coords (#174)

Bug Fixes

  • ndcube.NDCube.world_axis_physical_types now sets the axis label to the WCS CTYPE if no corresponding IVOA name can be found. (#164)
  • Fixed the bug of using pixel_edges instead of pixel_values in plotting (#176)
  • Fix 2D plotting from crashing when both data and WCS are 2D. (#182)
  • Fix the ability to pass a custom Axes to ndcube.NDCube.plot for a 2D cube. (#204)

Trivial/Internal Changes

  • Include more helpful error when invalid item type is used to slice an ~ndcube.NDCube. (#158)

1.1

API-Breaking Changes

  • ~ndcube.NDCubeBase.crop_by_extra_coord API has been broken and replaced. Old version: crop_by_extra_coord(min_coord_value, interval_width, coord_name). New version: crop_by_extra_coord(coord_name, min_coord_value, max_coord_value). [#142]

New Features

  • Created a new ~ndcube.NDCubeBase which has all the functionality of ~ncube.NDCube except the plotting. The old NDCubeBase which outlined the NDCube API was renamed NDCubeABC. ~ndcube.NDCube has all the same functionality as before except is now simply inherits from ~ndcube.NDCubeBase and ~ndcube.mixins.plotting.NDCubePlotMixin. [#101]
  • Moved NDCubSequence plotting to a new mixin class, NDCubSequencePlotMixin, making the plotting an optional extra. All the non-plotting functionality now lives in the NDCubeSequenceBase class. [#98]
  • Created a new ~ndcube.NDCubeBase.explode_along_axis method that breaks an NDCube out into an NDCubeSequence along a chosen axis. It is equivalent to ~ndcube.NDCubeSequenceBase.explode_along_axis. [#118]
  • NDCubeSequence plot mixin can now animate a cube as a 1-D line if a single axis number is supplied to plot_axis_indices kwarg.

API Changes

  • Replaced API of what was previously utils.wcs.get_dependent_axes, with two new functions, utils.wcs.get_dependent_data_axes and utils.wcs.get_dependent_wcs_axes. This was inspired by a new implementation in glue-viz which is intended to be merged into astropy in the future. This API change helped fix the NDCube.world_axis_physical_type bug listed below. [#80]
  • Give users more control in plotting both for NDCubePlotMixin and NDCubeSequencePlotMixin. In most cases the axes coordinates, axes units, and data unit can be supplied manually or via supplying the name of an extra coordinate if it is wanted to describe an axis. In the case of NDCube, the old API is currently still supported by will be removed in future versions. [#98 #103]

Bug Fixes

  • Allowed ~ndcube.NDCubeBase.axis_world_coords to accept negative axis indices as arguments. [#106]
  • Fixed bug in NDCube.crop_by_coords in case where real world coordinate system was rotated relative to pixel grid. [#113].
  • ~ndcube.NDCubeBase.world_axis_physical_types is now not case-sensitive to the CTYPE values in the WCS. [#109]
  • ~ndcube.NDCubeBase.plot now generates a 1-D line animation when image_axis is an integer.

1.0.1

New Features

  • Added installation instructions to docs. [#77]

Bug Fixes

  • Fixed bugs in NDCubeSequence slicing and NDCubeSequence.dimensions in cases where sub-cubes contain scalar .data. [#79]
  • Fixed NDCube.world_axis_physical_types in cases where there is a missing WCS axis. [#80]
  • Fixed bugs in converting between negative data and WCS axis numbers. [#91]
  • Add installation instruction to docs. [#77]
  • Fix function name called within NDCubeSequence.plot animation update plot. [#95]