RawTherapee auto 'contrast threshold' = 0

I noticed that RawTherapee’s auto ‘contrast threshold’ comes out as 0 with this file. This is both for demosaic 3 pass + fast and the new capture sharpening.

Although the image is not particularly that great, I presume that it may serve use for troubleshooting and/or Rawpedia purposes.
DSCF2040.RAF (27.4 MB)


Image is licensed under CC BY-SA 4.0

@chaimav Did you think it should be a value other than zero? Please read http://rawpedia.rawtherapee.com/Demosaicing#Method. It explains the purpose of the threshold and how it is applied. The threshold works roughly the same for the Capture sharpening. Please see this work in progress https://github.com/Beep6581/RawTherapee/issues/5453

You image has a lot of fine details, so I’m not surprised the contrast threshold is zero in both cases.

I am not surprised either. I just felt it could be useful for test purposes.