Loading Bruker OPUS files

Here we load an experimental Bruker OPUS files and plot it.

Read and display OPUS files

import spectrochempy as scp

Z = scp.read_opus(
    ["test.0000", "test.0001", "test.0002", "test.0003"], directory="irdata/OPUS"
)
Z

NDDataset [merged [opus-AB]] — float64, shape: (y:4, x:2567), a.u.

name

:

merged [opus-AB]

author

:

runner@runnervmlun5p

created

:

2026-09-09 20:34:40+00:00

description

:

Concatenation of 4 datasets:
( test, test, test, test )

history

:

2026-09-09 20:34:40+00:00> Created by concatenate from 4 datasets: test, test, test, test
2026-09-09 20:34:40+00:00> Merged from several files

Data

title

:

absorbance

values

:

[[0.000459 0.0004219 ... 0.5771 0.6324]
[0.000451 0.0004229 ... 0.5752 0.6311]
[0.0002479 0.0002325 ... 0.5809 0.6376]
[0.0003685 0.0003442 ... 0.5827 0.6388]] a.u.

shape

:

(y:4, x:2567)

Dimension `x`

size

:

2567

title

:

wavenumber

coordinates

:

[ 3998 3997 ... 700.7 699.4] cm⁻¹

Dimension `y`

size

:

4

title

:

acquisition timestamp (GMT)

coordinates

:

[1.581e+09 1.581e+09 1.581e+09 1.581e+09] s

labels

:

[[ 2020-02-06 12:09:58.095000+00:00 2020-02-06 12:10:02.232000+00:00 2020-02-06 12:10:06.368000+00:00 2020-02-06 12:10:10.505000+00:00]
[ MCT D317 1mm² [8500 - 700 Cm-1] MCT D317 1mm² [8500 - 700 Cm-1] MCT D317 1mm² [8500 - 700 Cm-1] MCT D317 1mm² [8500 - 700 Cm-1]]
[ /home/runner/.spectrochempy/testdata/irdata/OPUS/test.0000 /home/runner/.spectrochempy/testdata/irdata/OPUS/test.0001
/home/runner/.spectrochempy/testdata/irdata/OPUS/test.0002 /home/runner/.spectrochempy/testdata/irdata/OPUS/test.0003]]

_ = Z.plot()

Uncomment the following line to display all figures when running the script directly with Python.

# scp.show()