Hello,

After reading and trying out Libraw for a few days, I am confused with the structure of imgdata and what unpack() does to it:

When calling unpack(), the documentation at http://www.libraw.org/docs/API-CXX-eng.html#unpack
says:

Unpacks the RAW files of the image, calculates the black level (not for all formats). The results are placed in imgdata.image.

Yet there is also imgdata.rawdata.raw_image which gives me access to the raw unprocessed image.

What is the difference between imgdata.image and imgdata.rawdata.raw_image right after calling unpack()?
Is imgdata.image affected by some imgdata.params fields and imgdata.rawdata.raw_image is not (by definition, it would stay "raw" indeed)?

Should I also understand that unpack() also fill in the imgdata.rawdata.raw_image (and not only imgdata.image)? The latter appeared empty of any value if I print out values before unpack().

Thank you for this clarification. And thank you also for all your efforts on Libraw.

Raphael