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HDR > Edit in Photoshop 2024 shows unprocessed HDR?

Forum|Forum|1 year ago
April 20, 2024
4 replies
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This may be just how it works, but if I try and do "Edit in" on my merged HDR from LC into "Photoshop2024" I see what I assume is the full, unprocessed/edited 32-bit HDR file once it gets to Photoshop.

I want to edit the Lightroom-processed version that I worked on in LC. Is there a way to do that directly from LC or do I have to export to a 16-bit tif and then reimport when I'm done editing the tif?

Windows

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Correct answer Jao vdL

Ah that explains it. I forgot that on windows photoshop doesn't do HDR display yet. Of course without a HDR capable display it won't work anyway.

A

Ark HunterAuthor

Known Participant

Two useful things I've found while looking into this.
This blog post from Adobe on HDR and this video.

TL;DR: I probably can't do what I want on Windows (yet) and/or without an HDR monitor. I just have to export it from LRc reimport it if I want it back in my Lightroom catalog.

J

Jao vdL

Community Expert

You need to make sure to enable the preference in Photoshop's Technology Preview settings for "Precise color management for HDR display". It is not enabled by default and without it you don't get correct HDR display in Photoshop. If this is enabled, the file coming into Photoshop will look identical to what you see in Lightroom except that it will be in linear rec 2020 color space and 32 bits indeed.

A

Ark HunterAuthor

Known Participant

I don't seem to have that option. I also don't have an HDR monitor though.

Ah. Here is why. I'm on Windows.

Using “Edit in Photoshop” with an HDR photo will open a document in Photoshop in 32-bit mode. Note that Photoshop itself currently only supports displaying HDR photos on macOS (Windows support is in progress). To display HDR content correctly in Photoshop on macOS, go to the Technology Previews section of the Photoshop Preferences dialog and check the Precise color management for HDR display option.

By @Jao vdL

J

Jao vdL

Correct answer

Community Expert

Ah that explains it. I forgot that on windows photoshop doesn't do HDR display yet. Of course without a HDR capable display it won't work anyway.

JohanElzenga

Community Expert

I can't check it right now, but this is not how it is supposed to work. If you merge to HDR in Lightroom Classic, then the resulting HDR is saved as a DNG. If you send a DNG from Lightroom Classic to Photoshop, then you should get the image with the Lightroom Classic edits opening in Photoshop as a new RGB image, and the bit depth should be as you've specified in the preferences for external editors (8 bits or 16 bits).

If you merge to HDR in Photoshop however, then you can save the result as a 32 bit image. Sending this image from Lightroom Classic to Photoshop using 'Edit original' would result in what you see; a 32 bits image without Lightroom edits. So that leads to the question: Are you sure the HDR was merged in Lightroom Classic and not in Photoshop?

-- Johan W. Elzenga

A

Ark HunterAuthor

Known Participant

Yep! I hardly ever do anything outside of Lightroom Classic if I don't need to. I certainly wouldn't have done HDR in Photoshop. I wanted to content-aware fill in some corners as it was a panorama HDR from my drone.

JohanElzenga

Community Expert

Ah, so it was not a normal HDR, it was a panorama stitched from HDR brackets. That is obviously not the same, so you should have said that from the start. I still have a hard time understanding how you could get a 32 bits file (without edits) in Photoshop, however. You said "I see what I assume is the full, unprocessed/edited 32-bit HDR file". How did you conclude this?

-- Johan W. Elzenga

DdeGannes

Community Expert

Try using Explorer and right click on the HDR file an click open in Photoshop and see if the image opens in Adobe Camera Raw plug-in. When you finish working with Photoshop you will still have to save as Tiff, PSD or jpeg.

Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.0.1, PS 27.0; ) Camera Oly OM-D E-M1.

A

Ark HunterAuthor

Known Participant

It did open it in ACR but it didn't have any of the settings from my LR adjustments.

JohanElzenga

Community Expert

It did open it in ACR but it didn't have any of the settings from my LR adjustments.

By @Ark Hunter

That is as expected. If you open the DNG directly, then you will not get the Lightroom adjustments in ACR, because the adjustments are in the catalog, not in the DNG. It still does not explain what you see when you send the image from Lightroom Classic to Photoshop, however. Like I said, you should see the adjustments and the bit depth should be as specified in the external editor preferences, not 32 bits.

-- Johan W. Elzenga

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