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Lightroom: Adjustment brush Auto Mask broken for 32bit TIFF image

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LEGEND ,
Oct 31, 2012 Oct 31, 2012

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Hello,

I am using Lightroom 4.2 (updated today) on Windows 7 64bit. I have an issue using the adjustment brush with the option "Auto Mask" within a 32 bit TIFF file: the Auto Mask magic there does not work.

I've created 32 bit TIFF files using the "merge to HDR Pro in Photoshop" workflow, where the resulting TIFF is automatically added back to Lightroom. There, I edit the TIFF just in the same way as I edit any other picture in Lightroom. Some of my TIFF files have very clear edges with high contrast. Example:



I assume you agree with me that the adjustment brush Auto Mask must be able to detect this particular edge between the blue sky and the almost black wall of a building. However, when I use the adjustment brush on this edge (no feather, 100 density and flow, show selected mask overlay in green), it does not detect the transition:



When I do the same in one of the RAW pictures that contributed to the TIFF above, Auto Mask works as expected:



I tried this with various edges in various TIFF and RAW files. In the RAW files, basically all edges are detected, while the Auto Mask feature entirely fails in my TIFFs. I've first observed this in Lightroom 4.1. Then I updated to 4.2 which did not change the behavior.

Is there something I can do wrong? Note that in this tutorial: http://tv.adobe.com/watch/the-complet... Julieanne Kost is doing exactly this: first she merges a set of pictures to a HDR TIFF and then she uses the adjustment brush with Auto Mask in the resulting TIFF. In the video it looks like the edge detection works properly for her.

Any suggestion is welcome. Thanks!
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12 Comments
LEGEND ,
Nov 01, 2012 Nov 01, 2012

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Cannot reproduce in 4.2 Win7 64.
Automask works on a 32-bit TIFF here.

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LEGEND ,
Nov 02, 2012 Nov 02, 2012

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On the one hand this is good to hear. On the other hand, I tried it again and still was not able to get it working. What could I possibly do wrong? I am quite new to Lightroom, so it could be that I'm doing something very stupid. However, as already mentioned, for normal raw files I am able to use the Auto Mask feature.

Maybe the TIFF files I am working on are very special in a certain regard (shouldn't be, I created them with Photoshop CS 5 in the 'normal' HDR Pro merge workflow).

Does it make sense to upload the data I am working on for someone else to try?

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Adobe Employee ,
Nov 02, 2012 Nov 02, 2012

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Could you post the image you're having trouble with? (Dropbox, etc) Might be specific to the file or give us other clues.

Senior Product Manager - Customer Advocacy - Digital Imaging

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LEGEND ,
Nov 04, 2012 Nov 04, 2012

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Here you can find one of my TIFF files with which I have the described problem:

http://gehrcke.de/files/perm/tiffissu...

It's a 180 MB zip file which contains a TIFF file of 204 MB. I know this is crazy, but I did not want to introduce another uncertainty by modifying the file and I trust in your internet connections. If requested, I can try to create a smaller test case.

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LEGEND ,
Nov 04, 2012 Nov 04, 2012

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I can now reproduce with your file.

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LEGEND ,
Nov 05, 2012 Nov 05, 2012

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Okay -- how do we proceed now?

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LEGEND ,
Nov 05, 2012 Nov 05, 2012

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I've reported the bug. Sit and wait, perhaps? 🙂

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LEGEND ,
Nov 05, 2012 Nov 05, 2012

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Please keep the file available at the address you posted.

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LEGEND ,
Nov 06, 2012 Nov 06, 2012

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Of course. Is the bug report and its progress available to the public?

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LEGEND ,
Nov 06, 2012 Nov 06, 2012

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No.

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Adobe Employee ,
Nov 06, 2012 Nov 06, 2012

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This topic is the public record and would be updated if/when a fix is available.

Senior Product Manager - Customer Advocacy - Digital Imaging

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LEGEND ,
Nov 25, 2013 Nov 25, 2013

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I have this same problem using LR 5.2 x64 and Photoshop CC (14.1.2 x64) on Win7.

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