Import data from *.ch file

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Davide Masiello
Davide Masiello 2024-4-23
编辑： Austin M. Weber 2024-5-11
Hello - has anyone ever tried to import gas chromatograph data from files with .ch extension?
  2 个评论
Mathieu NOE
Mathieu NOE 2024-4-23
编辑：Mathieu NOE 2024-4-30
I am not really in that business but just in case it would help :
Chromatographic File Converter • chromConverter (ethanbass.github.io)
Austin M. Weber
Austin M. Weber 2024-5-11
编辑：Austin M. Weber 2024-5-11
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])
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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