Import data from *.ch file
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Hello - has anyone ever tried to import gas chromatograph data from files with .ch extension?
2 commentaires
Mathieu NOE
le 23 Avr 2024
Modifié(e) : Mathieu NOE
le 30 Avr 2024
I am not really in that business but just in case it would help :
Austin M. Weber
le 11 Mai 2024
Modifié(e) : Austin M. Weber
le 11 Mai 2024
I downloaded the chemstation_130.ch file from the chromConverter repository and it looks like it's possible to extract the data using fread:
file_name = 'chemstation_130.ch';
fid = fopen(file_name);
data = fread(fid);
fclose(fid)
figure
area(data,'EdgeColor','none')
xlim([0 500])
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1692296/image.png)
However, while it appears to be a GC spectrum, this method doesn't provide any metadata so I can't be sure what the units are. @Davide Masiello, you might try opening your own files using fread to see if the data match what you would expect.
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