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# python-agilent-file-formats
Python library for reading FT-IR imaging datasets created by Resolutions Pro on
Agilent Cary instruments with FPA area detectors.
Port of https://bitbucket.org/AlexHenderson/agilent-file-formats/ to Python
Developed for use in the [orange-spectroscopy](https://github.com/Quasars/orange-spectroscopy) add-in, which is part
of the [Quasar](https://quasar.codes/) data analysis program.
## Installation
The package can be installed from [PyPI](https://pypi.org) as:
`pip install agilent-format`
## Usage
There are four primary classes for loading data, depending on the type:
| Class | Data Type | Extension |
|--------------------|----------------------------|-------------|
| `agilentImage` | Single-tile FPA image | .dat |
| `agilentMosaic` | Mosaic FPA image | .dmt |
| `agilentImageIFG` | Single-tile interferograms | .seq |
| `agilentMosaicIFG` | Mosaic interferograms | .dmt |
To use, load the corresponding data loader class with the appropriate filename:
```python
from agilent_format import agilentImage
ai = agilentImage("agilent_format/datasets/4_noimage_agg256.dat")
ai.data # 3-dimensional numpy array (height x width x wavenumbers)
ai.wavenumbers # list of wavenumbers in order of .data array
# Pixel size can be calculated by:
px_size = ai.info['FPA Pixel Size'] * ai.info['PixelAggregationSize']
```
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