[darktable-user] denoising problems

2018-03-07 Thread darktable
DT 2.4.1 I'm having problems with the denoising: Canon 7DMkII and Canon 70-200L IS f/4 ISO1250 Darktable: * before denoise: https://i.imgur.com/k9Njy70.png * denoise profiled: https://i.imgur.com/Unw2i8O.png and it's very blotchy * equalizer denoise: https://i.imgur.com/8E1CzHt.png (w/o the

Re: [darktable-user] How to delete a film roll

2018-03-07 Thread Tobias Ellinghaus
Am Mittwoch, 7. März 2018, 18:41:28 CET schrieb Anders Lund: > Hi list, > > How do I remove a film roll from darktables memory? Just select all the images in it and remove them from darktable. The now empty filmroll will be removed automatically. > Kindly, > Anders Tobias signature.asc

Re: [darktable-user] How to delete a film roll

2018-03-07 Thread Tobias Ellinghaus
Am Mittwoch, 7. März 2018, 19:16:16 CET schrieb Anders Lund: > onsdag den 7. marts 2018 19.05.56 CET skrev Tobias Ellinghaus: > > Am Mittwoch, 7. März 2018, 18:41:28 CET schrieb Anders Lund: > > > Hi list, > > > > > > How do I remove a film roll from darktables memory? > > > > Just select all

Re: [darktable-user] denoising problems

2018-03-07 Thread Matej Martinovic
Hey, denoising in darktable is somewhat tricky: Use the *denoise (profiled)*, set it to "wavelet" and set blend mode to "color". This eliminates the awful color noise. Use a *second instance* of denoise (profiled), set it to non-local means and choose blend mode "lightness". With that second

Re: [darktable-user] denoising problems

2018-03-07 Thread darktable
Thanks to all. It does help. On Wed, 7 Mar 2018 20:36:14 +0100 Matej Martinovic wrote: >Hey, > >denoising in darktable is somewhat tricky: > >Use the *denoise (profiled)*, set it to "wavelet" and set blend mode >to "color". This eliminates the awful color noise. Use a

Re: [darktable-user] How to delete a film roll

2018-03-07 Thread Anders Lund
onsdag den 7. marts 2018 19.05.56 CET skrev Tobias Ellinghaus: > Am Mittwoch, 7. März 2018, 18:41:28 CET schrieb Anders Lund: > > Hi list, > > > > How do I remove a film roll from darktables memory? > > Just select all the images in it and remove them from darktable. The now > empty filmroll

Re: [darktable-user] Checking for errors/debugging my openCL

2018-03-07 Thread Bernhard
Ulrich Pegelow schrieb am 05.03.2018 um 17:54: Additionally you may want to play with opencl_number_event_handles. Start with an extreme setting of zero. In case this would solve your issues you can then try different values in-between. Ulrich I changed this value with no result. Then I

Re: [darktable-user] Checking for errors/debugging my openCL

2018-03-07 Thread Šarūnas
On 03/07/2018 04:30 PM, Bernhard wrote: > > > Ulrich Pegelow schrieb am 05.03.2018 um 17:54: >> Additionally you may want to play with opencl_number_event_handles. >> Start with an extreme setting of zero. In case this would solve your >> issues you can then try different values in-between. >>

Re: [darktable-user] denoising problems

2018-03-07 Thread I. Ivanov
I took the profile Denoise_chinese from https://dtstyle.net/ Some times I simply rely on it while others I only tweak the demosaic module to VNG4 two times full average or Amaze. I should say however that I very rarely shoot at more than ISO 6400. Never compared to RawTherapee... I had a

Re: [darktable-user] denoising problems

2018-03-07 Thread Bernhard
Robert Krawitz schrieb am 08.03.2018 um 03:52: On Wed, 7 Mar 2018 20:36:14 +0100, Matej Martinovic wrote: Hey, denoising in darktable is somewhat tricky: Use the *denoise (profiled)*, set it to "wavelet" and set blend mode to "color". This eliminates the awful color noise. Use a *second

Re: [darktable-user] What does the "subtract" blend mode do?

2018-03-07 Thread Ulrich Pegelow
Am 07.03.2018 um 17:10 schrieb Matthieu Moy: Now, what "subtract" should do with colors is debatable, especially in Lab. On the L channel, something like max(in - out, 0) would be rather natural. On the a an b channels, I'm not sure what to do. Just doing in-out would mean the final image would

[darktable-user] How to delete a film roll

2018-03-07 Thread Anders Lund
Hi list, How do I remove a film roll from darktables memory? Kindly, Anders darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org

Re: [darktable-user] Lua Export

2018-03-07 Thread David Vincent-Jones
Thank you Bill; I was confused ... the documentation indicates that the 'official' scripts are 'maintained by the darktable community', I had incorrectly assumed that they would be updated as a part of the automatic process. I now know better. David On 03/06/2018 09:59 PM, William Ferguson wrote:

Re: [darktable-user] Lua Export

2018-03-07 Thread David Vincent-Jones
After making the git update some items (gimp for instance) are now functioning correctly and I have moved the 'unresponsive' items to the bottom of the list. The error message however still appears as it was before indicating a version mismatch: LUA ERROR API Version: 5.0.0 LUA ERROR :

Re: [darktable-user] Lua Export

2018-03-07 Thread thokster
The current version of selection_to_pdf.lua from here: https://github.com/darktable-org/lua-scripts/tree/master/official has the correct line 39. Am 07.03.2018 um 11:38 schrieb David Vincent-Jones: I am running dt ver. 2.5.0 ~git Should line 39 be modified for the current version?? On

Re: [darktable-user] Lua Export

2018-03-07 Thread thokster
Did you check line 39 in selection_to_pdf.lua? 39 dt.configuration.check_version(...,{2,0,0},{3,0,0},{4,0,0},{5,0,0}) Am 07.03.2018 um 11:01 schrieb David Vincent-Jones: After making the git update some items (gimp for instance) are now functioning correctly and I have moved the

Re: [darktable-user] Lua Export

2018-03-07 Thread David Vincent-Jones
thanks ... that is exacltly what I currently have very confusing! On 03/07/2018 11:49 AM, thokster wrote: > The current version of selection_to_pdf.lua from here: > https://github.com/darktable-org/lua-scripts/tree/master/official > has the correct line 39. > > Am 07.03.2018 um 11:38 schrieb

Re: [darktable-user] What does the "subtract" blend mode do?

2018-03-07 Thread Matthieu Moy
- Original Message - > From: "Ulrich Pegelow" > You obviously have a point here, the current implementation does not do > what the word "substact" implies. > Before considering a fix: any idea how the "substract" operator should > act in the Lab color space?

Re: [darktable-user] Lua Export

2018-03-07 Thread David Vincent-Jones
I am running dt ver. 2.5.0 ~git Should line 39 be modified for the current version?? On 03/07/2018 11:31 AM, thokster wrote: > Did you check line 39 in selection_to_pdf.lua? > > > 39 dt.configuration.check_version(...,{2,0,0},{3,0,0},{4,0,0},{5,0,0})

Re: [darktable-user] What does the "subtract" blend mode do?

2018-03-07 Thread Romano Giannetti
On 07/03/18 11:32, Matthieu Moy wrote: Before considering a fix: any idea how the "substract" operator should act in the Lab color space? I have no idea ;-). Actually, my guess is that "subtract" is useful to blend two totally different images together (e.g. blend a black text onto an image

Re: [darktable-user] What does the "subtract" blend mode do?

2018-03-07 Thread Matthieu Moy
- Original Message - > From: "Romano Giannetti" > On 07/03/18 11:32, Matthieu Moy wrote: >> Before considering a fix: any idea how the "substract" operator should >>> act in the Lab color space? >> I have no idea ;-). >> >> Actually, my guess is that "subtract" is

Re: [darktable-user] What does the "subtract" blend mode do?

2018-03-07 Thread Rafa García
2018-03-07 16:13 GMT+01:00 Romano Giannetti : > > On 07/03/18 11:32, Matthieu Moy wrote: > >> Before considering a fix: any idea how the "substract" operator should >> >>> act in the Lab color space? >>> >> I have no idea ;-). >> >> Actually, my guess is that "subtract" is