Return list of slices corresponding to the unmasked clumps of a 1-D array. (A "clump" is defined as a contiguous region of the array). Parameters ---------- a : ndarray A one-dimensional masked array. Returns ------- slices : list of slice The list
(a)
| 2000 | |
| 2001 | |
| 2002 | def clump_unmasked(a): |
| 2003 | """ |
| 2004 | Return list of slices corresponding to the unmasked clumps of a 1-D array. |
| 2005 | (A "clump" is defined as a contiguous region of the array). |
| 2006 | |
| 2007 | Parameters |
| 2008 | ---------- |
| 2009 | a : ndarray |
| 2010 | A one-dimensional masked array. |
| 2011 | |
| 2012 | Returns |
| 2013 | ------- |
| 2014 | slices : list of slice |
| 2015 | The list of slices, one for each continuous region of unmasked |
| 2016 | elements in `a`. |
| 2017 | |
| 2018 | Notes |
| 2019 | ----- |
| 2020 | .. versionadded:: 1.4.0 |
| 2021 | |
| 2022 | See Also |
| 2023 | -------- |
| 2024 | flatnotmasked_edges, flatnotmasked_contiguous, notmasked_edges |
| 2025 | notmasked_contiguous, clump_masked |
| 2026 | |
| 2027 | Examples |
| 2028 | -------- |
| 2029 | >>> a = np.ma.masked_array(np.arange(10)) |
| 2030 | >>> a[[0, 1, 2, 6, 8, 9]] = np.ma.masked |
| 2031 | >>> np.ma.clump_unmasked(a) |
| 2032 | [slice(3, 6, None), slice(7, 8, None)] |
| 2033 | |
| 2034 | """ |
| 2035 | mask = getattr(a, '_mask', nomask) |
| 2036 | if mask is nomask: |
| 2037 | return [slice(0, a.size)] |
| 2038 | return _ezclump(~mask) |
| 2039 | |
| 2040 | |
| 2041 | def clump_masked(a): |