Metadata-Version: 2.4
Name: pint-xarray
Version: 0.6.1
Summary: Physical units interface to xarray using Pint
Author-email: Tom Nicholas <tomnicholas1@googlemail.com>
License-Expression: Apache-2.0
Project-URL: Home, https://github.com/xarray-contrib/pint-xarray
Project-URL: Documentation, https://pint-xarray.readthedocs.io/en/stable
Classifier: Development Status :: 3 - Alpha
Classifier: Environment :: Console
Classifier: Intended Audience :: Science/Research
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: 3.14
Classifier: Topic :: Scientific/Engineering
Requires-Python: >=3.11
Description-Content-Type: text/markdown
License-File: LICENSE
Requires-Dist: xarray>=2023.07.0
Requires-Dist: numpy>=1.26
Requires-Dist: pint>=0.24
Dynamic: license-file

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# pint-xarray

A convenience wrapper for using [pint](https://pint.readthedocs.io) with
[xarray](https://xarray.pydata.org).

## Usage

To convert the variables of a `Dataset` to quantities:

```python
In [1]: import pint_xarray
   ...: import xarray as xr

In [2]: ds = xr.Dataset({"a": ("x", [0, 1, 2]), "b": ("y", [-3, 5, 1], {"units": "m"})})
   ...: ds
Out[2]:
<xarray.Dataset>
Dimensions:  (x: 3, y: 3)
Dimensions without coordinates: x, y
Data variables:
    a        (x) int64 0 1 2
    b        (y) int64 -3 5 1

In [3]: q = ds.pint.quantify(a="s")
   ...: q
Out[3]:
<xarray.Dataset>
Dimensions:  (x: 3, y: 3)
Dimensions without coordinates: x, y
Data variables:
    a        (x) int64 [s] 0 1 2
    b        (y) int64 [m] -3 5 1
```

to convert to different units:

```python
In [4]: c = q.pint.to({"a": "ms", "b": "km"})
   ...: c
Out[4]:
<xarray.Dataset>
Dimensions:  (x: 3, y: 3)
Dimensions without coordinates: x, y
Data variables:
    a        (x) float64 [ms] 0.0 1e+03 2e+03
    b        (y) float64 [km] -0.003 0.005 0.001
```

to convert back to non-quantities:

```python
In [5]: d = c.pint.dequantify()
   ...: d
Out[5]:
<xarray.Dataset>
Dimensions:  (x: 3, y: 3)
Dimensions without coordinates: x, y
Data variables:
    a        (x) float64 0.0 1e+03 2e+03
    b        (y) float64 -0.003 0.005 0.001
```

For more, see the [documentation](https://pint-xarray.readthedocs.io)
