[darktable-user] Scanning and EXIF information

Hi All, I shot and developed a roll of B+W film, and I will scan it using my Canon EOS 5D iv with the EF 100mm f2.8 Macro lens. As I was shooting the roll of film I maintained a notebook where I wrote down the settings, what is the best way to substitute the info in the resulting .CR2 files w

[darktable-user] Ubuntu 20.04, OpenCL, DT3.2.1, Radeon HD5400

Hello All, DT 3.2.1 here, running on Ubuntu 20.04, Radeon HD5400. OpenCL should be working, however DT complains "could not get platforms" (see below). I see that a folder /etc/OpenCL is missing: could this be the issue? Thanks for any advice. -Gian 0.032024 [opencl_init] opencl related

[darktable-user] Interactive gpu and opencl performance in the darkroom

Perhaps all this isn't new for this audience, but for me as a new user since 6 months it is. I am glad I found it and am glad to share it. So further to my other subject here under ( https://www.mail-archive.com/darktable-user@lists.darktable.org/msg10267.html) opencl parameters should/can be tu