On Wed, Nov 30, 2016 at 2:31 AM, Robert William Hutton <[email protected]> wrote: > On 30/11/16 09:58, Jimmy Gowrisanker wrote: >> >> Based on the instructions >> here >> http://www.darktable.org/2012/10/whats-involved-with-adding-support-for-new-cameras/ >> , I took 9 >> shots (auto0:Keep white-reduce warm colours, auto1:normal, auto1: keep >> warm colours, Incan, FL, >> Sunlight, flash, cloudy and shade). What do I do now? I seem to be lost ! > > > There's a few different scripts floating around to help you extract the > white balance info from your images. Here's what I do: > > Download latest exiftool from http://www.sno.phy.queensu.ca/~phil/exiftool/ > the first link will do. I find the version in Ubuntu is too old. > > sudo apt-get install git ruby ruby-nokogiri > mkdir wd && cd wd > tar xvzf ~/Downloads/Image-ExifTool-10.36.tar.gz # this is the exiftool > download > export PATH=$PATH:~/wd/Image-ExifTool-10.36 > git clone https://github.com/darktable-org/darktable.git > cd <directory with your white balance images> > rm -rf ~/white_balance.txt > for file in *; do ~/wd/darktable/tools/extract_wb "$file" >> > ~/white_balance.txt ; echo >> ~/white_balance.txt ; done > > Now, have a look in the ~/white_balance.txt file. You will see the > extracted white balance information for each image that you made. For me, I > got more than one line per image, so I had to go through and select the one > that was the setting that I set the camera to. Delete the other lines so > you end up with one line per image. > > Add a comment to the top of your file with camera name and version like > this: > > /* Fujifilm X-T10 Firmware Version 1.21 */ > > Now, you can either just post this info into a redmine issue: > > https://redmine.darktable.org/projects/darktable > > Or you can test them out first by copy/pasting them into the source code of > darktable and building and installing to test. If you're running darktable > 2.0.x, the instructions are here: > > https://redmine.darktable.org/projects/darktable/wiki/Building_darktable_20 > > Version 2.2 rc is here: > > https://redmine.darktable.org/projects/darktable/wiki/Building_darktable_22 > > After you check out the tag for the version you want to build, you need to > copy your new white balance values into this file: > > ~/wd/darktable/src/external/wb_presets.c > > Then you build and install, and run your newly installed darktable by doing: > > /opt/darktable/bin/darktable > > Make sure you back up your database before running your modified darktable > version though! > > cd ~/.config > cp -a ./darktable ./darktable.bak > > > Hope that helps! Also, you might want to consider shooting additional > images with the white balance fine-tune settings on your camera (this is > typically 19 images per white balance preset, though). This enables the fine > tune slider in the white balance module of darktable which I find really > useful. > > Regards, > > Rob Rob, you have rather outdated information :) https://github.com/darktable-org/darktable/blob/master/tools/extract_wb is the tool.
Roman. > ____________________________________________________________________________ > darktable user mailing list > to unsubscribe send a mail to [email protected] > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
