1:1 previews discarted

Community Beginner ,
Mar 19, 2021 Mar 19, 2021

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When I choose to discard 1:1 previews after 1month, no other small preview is created? Why?

Would be smarter to leave a smaller preview in place, wouldn't it?

 

Thanks

Marcos

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Adobe Community Professional ,
Mar 19, 2021 Mar 19, 2021

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Sorry, but I don't exactly understand your question.

Normally if you dicard previews after a month the previews were deleted and recreated at the moment when they needed.

Why should a smaller preview should be created?

 

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Community Beginner ,
Feb 07, 2022 Feb 07, 2022

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Thanks for your help . The thing is, when discarding the 1:1 preview, no other smaller preview is created, we are left with no image!

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Adobe Community Professional ,
Feb 07, 2022 Feb 07, 2022

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@Argosfoto wrote:

When I choose to discard 1:1 previews after 1month, no other small preview is created? Why?

Would be smarter to leave a smaller preview in place, wouldn't it?



Smaller previews are left in place. Lightroom shows you one of the so-called 'standard-sized previews' when you view an image. That is a pyramid of previews ranging from a small thumbnail to 'loup view size'. The 1:1 preview you mention is something extra. You can build it on import, or Lightroom will build it when you zoom in to 100%. The 1:1 preview is not part of the standard-sized previews, so if you automatically discard them after a certain time, then the standard-sized previews are not discarded.

 

Please note that if you manually delete the 'previews.lrdata', then you delete all previews, not only the 1:1 previews!

 

-- Johan W. Elzenga

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Community Beginner ,
Feb 08, 2022 Feb 08, 2022

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Thanks for your answer . I always create 1:1 views on import, discarding them after 30 days. After that many views disappear - nothing is left in place - after this period. I never threw away "previews.lrdata". 

I've been working like this for many years. I don't understand what could be happening. 

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Adobe Community Professional ,
Feb 08, 2022 Feb 08, 2022

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Maybe 'previews.lrdata' is corrupted, so what you can do is actually throw away the 'catalogname previews.lrdata'. Lightroom will rebuild the previews and that may also solve that problem.

 

-- Johan W. Elzenga

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