[digiKam-users] How to get wider range of thumbnail sizes

Tue Oct 13 21:19:12 BST 2020

This option requires a restart of digiKam. Then you can pull the slider up to 
512 pixels. Also note that you have to recreate the thumbnails, because they 
were previously only saved with 256 pixels, now with 512 pixels. If you are 
using a 4K screen, activate the HiDPI settings in the digiKam settings under 
Miscellaneous and System. Then with a scal factor 2x from the desktop even 
thumbnails with 1024 pixels are saved in the database in order to get sharp 
thumbs.

Maik

Am Dienstag, 13. Oktober 2020, 21:50:06 CEST schrieb ron.orenstein at rogers.com:
> Thanks - I had already found and checked that box, but I do not see that it
> made any difference. I would very much like to be able to expand thumbnail
> sizes as one can do in Aperture, because as a wildlife photographer I am
> often looking for small details in a large picture while sorting and
> labeling. What is the maximum size possible with DigiKam? It appears to be
> quite a bit s smaller than that available in other programs.
> 
> Ronald Orenstein 1825 Shady Creek Court Mississauga, ON L5L 3W2 Canada
> ronorenstein.blogspot.com
> On Oct 13, 2020, 3:10 PM -0400, Thomas D <sdktda at gmail.com>, wrote:
> > Hi Ron,
> > 
> > Please see this screenshot:
> > 
> > <image.png>
> > 
> > 
> > And yes, it is confusing that this option is directly below the text "Icon
> > View Font:".> 
> > > Den tir. 13. okt. 2020 kl. 14.33 skrev Ronald Orenstein 
<ron.orenstein at rogers.com>:
> > > > Hi all -
> > > > 
> > > > I am using the mac version of Digikam (7.1.0) and cannot find the
> > > > large thumbnails option under either settings or preferences,  Under
> > > > the settings tab the only available options are Configure Language,
> > > > Themes, Configure Keyboard Shortcuts, Configure Toolbars and Database
> > > > Migration.  Is there a way to increase thumbnail size in the Mac
> > > > build?
> > > > 
> > > > Thanks - Ron
> > > > 
> > > > Ronald Orenstein
> > > > 1825 Shady Creek Court
> > > > Mississauga, ON L5L 3W2
> > > > Canada
> > > > ronorenstein.blogspot.com
> > > > ronorensteinwriter.blogspot.com
> > > > 
> > > > 
> > > > On Tuesday, October 13, 2020, 07:23:23 a.m. EDT, Thomas D
> > > > <sdktda at gmail.com> wrote:
> > > > 
> > > > 
> > > > Hi Maik,
> > > > 
> > > > Found "use large thumbnails for high res monitors" in Settings. I did
> > > > not understand this option to do this. I thought it was about the
> > > > internal thumbnail resolution and not the actual display size. Is
> > > > there any reason not to just allow the user to define the range?
> > > > 
> > > > I do not understand why thumbnails below 100 should not be useful. It
> > > > is entirely useful. In Gwenview, I can scale the thumbnails down to
> > > > 48x48. This is really useful when doing a first pass sorting through
> > > > a large amount of incoming photos in which a lot of photos are
> > > > clearly from the same set or same event. I have attached a screenshot
> > > > (pixelated for privacy reasons) of Gwenview with thumbnail size set
> > > > to 48x48.  In this screenshot. Even with the pixilation, it is easy
> > > > to see that each of the three marked selections are related. Now,
> > > > these selections are small for the sake of having an example that
> > > > would easily illustrate the problem. However, in practice, sometimes
> > > > these sets can be hundreds of photos that are nearly identical. And I
> > > > typically need to sort these into folders for each set and then
> > > > finely sort through them set by set at a later stage. I would love
> > > > that digikam would allow me to do this!
> > > > 
> > > > 
> > > > Screenshot:
> > > > <tgu.png>
> > > > 
> > > > You mention that the text is shortened and rating stars cut off when
> > > > thumbnails are this small. I do not see that as a problem. Quite the
> > > > contrary. I would absolutely love it if all the additional details
> > > > like text, rating stars, etc. are hidden when using thumbnails below
> > > > a certain size. Typically you would not rate photos nor care about
> > > > filenames when you are working with thumbnails this small.
> > > > 
> > > > Would it at least be possible to allow the user to decide this by
> > > > having the slider go down to, say, 48x48 and then have DK hide
> > > > everything but the actual thumbnail when size is below X (where could
> > > > be 100 or something suitable)?
> > > > 
> > > > Just like with the large thumbnails, this behavior could be something
> > > > that could be enabled with a checkbox in the Settings.
> > > > 
> > > > Another useful idea: Would it be possible to have a quick toggle that
> > > > would show/hide all the text, rating stars, etc. in the thumbnail
> > > > view. E.g by a shortcut key or similar? That would be really handy!
> > > > 
> > > > 
> > > > BR
> > > > Thomas
> > > > 
> > > > Den tir. 13. okt. 2020 kl. 12.40 skrev Maik Qualmann 
<metzpinguin at gmail.com>:
> > > > > Thumbnails with a size of up to 512 pixels can be activated in the
> > > > > digiKam
> > > > > settings. A test here with thumbnails smaller than 100 pixels is not
> > > > > really
> > > > > useful, the text is only shortened, the rating stars are cut off, it
> > > > > doesn't look good.
> > > > > 
> > > > > Maik
> > > > > 
> > > > > Am Freitag, 9. Oktober 2020, 14:46:10 CEST schrieb Thomas D:
> > > > > > Hi,
> > > > > > 
> > > > > > Using the slider on the image below, I can change the size of
> > > > > > thumbnails
> > > > > > from  128x128 to 256x256px. This is a rather narrow size range.
> > > > > > [image: image.png]
> > > > > >
> > > > > >   I would very much like to be able to move the slider down to at
> > > > > >least
> > > > > >
> > > > > > 64x64 but maybe even down further (48x48 or 32x32) as this will
> > > > > > allow me to
> > > > > > much more easily sort folders with large amounts of images.  I
> > > > > > would also
> > > > > > sometimes, however not as often, like to be able to increase the
> > > > > > size of
> > > > > > thumbnails when I am, for example, sorting out images based on
> > > > > > some smaller
> > > > > > details or on sharpness. When I am on a very high resolution
> > > > > > monitor, even
> > > > > > 256x256 is not very big.
> > > > > > 
> > > > > > So I hope there is a way to adjust these limits.Is there a config
> > > > > > setting
> > > > > > or a  config file or something where I can do this?