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Vit Kovalcik
Known Participant
Dec 8, 2016 8:40 PM UTC
Needs More Info

P: Photo selection delay / Operation on a wrong photo

I consider this a confising behaviour occuring sometimes maybe a part-bug:

Scenario: In Loupe view, you can switch betwen photos using arrows. Sometimes, this operation is fast, but it takes around two seconds - the photo is shown immediately, but it takes some time till the UI is refreshed (Histogram, Metadata panel etc.), photo is redrawn in high res. etc. This is not the bug yet.

The problem is: During this operation, you are already seeing the new photo, but the filmstrip below show the previous photo as selected. And if you press the "B" button to ad it into quick collection, the _previous_ photo is added into the collection. Although you are watching different photo. I found this very confusing at start, before I found I have to wait. But this bug hase been here for years and would be nice to fix it 🙂

I have a Windows 10 on a very fast computer (i7 6700K, 32 GB RAM, nvidia GTX 1070).

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    5 replies

    Vit KovalcikAuthor
    Known Participant
    Dec 14, 2016 2:59 PM UTC
    Thanks a lot!
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    Rikk Flohr-Retired
    Adobe Employee
    Rikk Flohr-Retired
    Dec 14, 2016 2:53 PM UTC
    Thanks for your diligence, Vit. I am able to reproduce with a Mac and a Magic mouse with a finger gesture (similar to a mouse wheel).  I will file a bug. 
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    Rikk Flohr: Adobe Photography Org
    Vit KovalcikAuthor
    Known Participant
    Dec 14, 2016 12:18 PM UTC
    Found it and now I can reproduce it any time! I was incorrect in my initial post. The keyboard arrows operate perfectly, but is is mouse wheel, which is causing the problem.

    To summarize: In loupe view, the mouse wheel moves VIEW to the next photo immediately, but the film strip shows the PREVIOUS selection for about one second. In this time, if you press "B" to add photo into quick collection, the previous photo is added instead of the one you are looking at.

    Because the arrows transition the selection immediately, this seems to be a bug. Or at least very confusing.
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    Vit KovalcikAuthor
    Known Participant
    Dec 8, 2016 9:21 PM UTC
    Thanks for the suggestion. Unfortunately (?) this doesn't happen always, so currently the walking between photo is instantenous even with GPU support switched on.

    I even started two export jobs to slow it down. Then the photo walking is somewhat slower, but the delayed selection in filmstrip doesn't happen.

    Seems that this is influenced by something else too, possibly by Lightroom running for a few days. Then it get slower in all aspects. I will watch it to see if I can tell when it happens.
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    Rikk Flohr-Retired
    Adobe Employee
    Rikk Flohr-Retired
    Dec 8, 2016 8:58 PM UTC
    If you go to Preferences>Performance and disable the GPU support does the walking between images behavior improve?
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    Rikk Flohr: Adobe Photography Org
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