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Loading RAMAN experimental file

Here we load experimental LABSPEC spectra and plot them.

import spectrochempy as scp

Define the folder where are the spectra:

datadir = scp.preferences.datadir
ramandir = datadir / "ramandata/labspec"

Read some data:

A = scp.read_labspec("Activation.txt", directory=ramandir)
A

NDDataset: [float64] unitless (shape: (y:532, x:1024))[Activation]

Summary

name

:

Activation

author

:

runner@pkrvmxyh4eaekms

created

:

2025-06-15 01:53:10+00:00

description

:

Spectrum acquisition : 2016-05-01 11:22:14

history

:

2025-06-15 01:53:10+00:00> Imported from LabSpec6 text file
/home/runner/.spectrochempy/testdata/ramandata/labspec/Activation.txt

Data

title

:

Counts

values

:

...

[[3.277e+05 3.278e+05 ... 7.594e+05 7.607e+05]
[3.239e+05 3.252e+05 ... 7.513e+05 7.501e+05]
...
[5.711e+04 5.69e+04 ... 9.721e+04 9.697e+04]
[ 3831 3826 ... 6476 6385]]

shape

:

(y:532, x:1024)

Dimension `x`

size

:

1024

title

:

Raman shift

coordinates

:

[ 198.2 199.8 ... 1692 1693] cm⁻¹

Dimension `y`

size

:

532

title

:

Time

coordinates

:

[ 0 308.4 ... 1.689e+05 1.692e+05] s

labels

:

[ 2016-05-01 11:22:14 2016-05-01 11:27:14 ... 2016-05-03 07:32:14 2016-05-03 07:37:14]

Now plot them:

A.plot()

As it is a 2D dataset, we can plot it as an image:

A.plot_image()

or a contour plot:

A.plot_map()

We can also read the content of a folder, and merge all spectra:

B = scp.read_labspec(ramandir / "subdir")
B.plot()

This ends the example ! The following line can be uncommented if no plot shows when running the .py script with python

# scp.show()