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Rebuilding 1:1 previews on several forders - numbers do not match

Nov 27, 2012 2:39 PM

In order to speed up previews in library mode, I selected several folders containing 2352 pictures and deleted the previews, selecting delete all previews.

I then wenton to rebuild all 1:1 previews, selecting all pics. and, as usual, asking to render 1:1 previews.

 

To my surprise LR (4.2 on a  10.6.8 Mac) is proceeding to render... 1252 previews. The skipped files seem haphazard (rebuilding 290, skippping 291/292/293, rebuilding 294-300, skipping 301,...).

I also checked whether the skipped files were cropped differrently. No luck. Starting from 3888 px CR2 files I found two contiguous files cropped to 3554 px, with one preview rebuilt and one not, then two pics. cropped to 3527 px treated likewise.

  What's going on?

Thanks in advance.

 
Replies
  • Currently Being Moderated
    Nov 29, 2012 3:35 AM   in reply to zyboo

    Zyboo,

     

    The previews of the files might still have struck through in ACR cache due to which LR is not rebuilding the previews.

     

    You want to do it all so purge the ACR cache too and check the same.

     

    Hope that can make some things look better.

     

    Mandhir

     
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  • Currently Being Moderated
    Nov 30, 2012 5:42 AM   in reply to zyboo

    You can follow the steps below to go to See the ACR cache settings.

     

    Choose Lightroom > Preferences (Mac OS) or Edit > Preferences (Windows).

    Click the File Handling tab.

    In the Camera Raw Cache Settings area & Click on Purge Cache

     

     

    Choose Lightroom > Preferences (Mac OS) or Edit > Preferences (Windows).

    Click the File Handling tab.

    In the Camera Raw Cache Settings area, Click on Purge Cache.

     

    After that recreate the LR would rebuild the cache once back in Develop Module....

     

    Mandhir

     
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