# astro-ndslice
[](https://zenodo.org/badge/latestdoi/601666411)
A collection of simple tools to slicing astronomical images (many are applicable to general ndarray).
* Module `lists`: Contains some universally usable convenience functions.
* `is_list_like` : Checks if anything is list-like (list, tuple, ndarray).
* `listify`: Convert scalar or iterable into list (``scalar2list=True, none2list=False``)
* `ndfy`: Convert scalar or iterable into ndarray (see docstring for details)
* Module `slices`: Contains tools to convert FITS convention (e.g., "[10:20, 1:2]") or bezel (e.g., `bezel=[10, 10]`) into python `slice`.
* Most users will only need `slicefy` (e.g., ``data[slicefy("[10:110, 50:150]")]``).
* Module `offset`: Contains tools to find the offsets between two images/FITS files (essential before image combination)
* To use `calc_offset_wcs` or `calc_offset_physical`, `astropy` is required.
BSD 3-Clause License
Copyright (c) 2023, Yoonsoo P. Bach
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"description": "# astro-ndslice\n\n[](https://zenodo.org/badge/latestdoi/601666411)\n\nA collection of simple tools to slicing astronomical images (many are applicable to general ndarray).\n\n* Module `lists`: Contains some universally usable convenience functions.\n * `is_list_like` : Checks if anything is list-like (list, tuple, ndarray).\n * `listify`: Convert scalar or iterable into list (``scalar2list=True, none2list=False``)\n * `ndfy`: Convert scalar or iterable into ndarray (see docstring for details)\n* Module `slices`: Contains tools to convert FITS convention (e.g., \"[10:20, 1:2]\") or bezel (e.g., `bezel=[10, 10]`) into python `slice`.\n * Most users will only need `slicefy` (e.g., ``data[slicefy(\"[10:110, 50:150]\")]``).\n* Module `offset`: Contains tools to find the offsets between two images/FITS files (essential before image combination)\n * To use `calc_offset_wcs` or `calc_offset_physical`, `astropy` is required.\nBSD 3-Clause License\n\nCopyright (c) 2023, Yoonsoo P. Bach\n\nRedistribution and use in source and binary forms, with or without\nmodification, are permitted provided that the following conditions are met:\n\n1. Redistributions of source code must retain the above copyright notice, this\n list of conditions and the following disclaimer.\n\n2. Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n\n3. Neither the name of the copyright holder nor the names of its\n contributors may be used to endorse or promote products derived from\n this software without specific prior written permission.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\nAND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\nIMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE\nFOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\nDAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\nSERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER\nCAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,\nOR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\nOF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n",
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