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Quasars / orange-spectroscopy

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Preprocess Spectra widget breaks Color widget #652

Closed pisarik closed 1 year ago

pisarik commented 1 year ago

Hi!

It seems that a Color widget inserted after Preprocess Spectra widget with at least one preprocessing step turns all absorbance values into missing values '?'.

Here is a minimal_example.zip. There, the widget Empty does not show any spectra. The output of Mistake here contains missing values, while the input is correct.

Ubuntu, python 3.8, Orange 3.34.1, Orange-spectroscopy 0.6.8 It seems that the bug is also reproducible on Windows and Mac OS.

markotoplak commented 1 year ago

Thanks for a cool minimal example and the report. Can confirm.

markotoplak commented 1 year ago

It is even more general. The same things happens without any Spectroscopy widgets.

If I use the "Normalize" preprocessors the Color widget does not break the data set for the first chosen normalization method, but if I change it to some other I get the same effect. Seems that Color widget breaks on columns with the same name but different recipes. If I switch back to the first method used, the numbers reappear.

a

markotoplak commented 1 year ago

@pisarik, this is now fixed in Orange master. Thanks again for the report.