Does Rawtherapee support Vuescan Raw Tiff (DNG) format?
I can find discussion that rawtherapee was adapted to support scanning negatives via dslr in 2020 timeframe. In those discussions I find some discussion that work was on going to support regular scanner (non DSLR) for vuescan / silverfast.
I’m working with 40 year old 35mm slides.
It is a fact that I can produce via vuescan so called raw tiff files. These files are claimed to be gamma=1 files with .dng extension. IF I OPEN THESE FILES in rawtherapee, they look identical to the display presented by vuescan. If I use rawtherapee WB -Automatic and Refinement - Temperature Coorelation, I am able to use the two additional sliders AWB temperature bias and green refinement. All this looks like rawtherapee is supporting this format. However, if I use vuescan tiff dng files which are dng files with gamma set to 2.2, 1.8, or whatever depending on what vuescan color tab output color space is sRGB, adobe RGB, or proPhoto, this rawtherapee WB - Automatic and Refinement work but restricted in capability.
IF I take the vuescan rawtiff (gamma=1) dng file and feed it into Adobe Digital Format Converter, the converter produces new dng files with slight rawtherapee histagram changes. Feeding these adobe converted dng files into rawtherapee gets slightly better results (in my opinion) compared to vuescan dng output. The adobe documentations states that it is advised to run the converter on dng files since it will “normalize” older dng’s to the current standard. Seems to improve things a little bit.
It seems like rawtherapee is working with this workflow. Can it be said vuescan is supported?
I ask the question because it seems to work, there was prior mention (in 2020) that work was in progress, and the results seem ok.
Thank you for responding.