Fix and recreate atmosphere

@123sg your edit has more punch. I had to retire from this edit because my desktop has a graphics card which for some reason doesn’t support Open CL so it was frustratingly slow. I had high hopes for this computer as it was a very reasonable computer when it was new. At work it run a computer resource hungry instrument and the replacement computer was billed at $18K. I was gifted this computer for $50 and then I replaced the graphics card with a NVIDIA Corporation GP108 [GeForce GT 1030]. I thought that would be sufficient to run DT. Evidently not.

I would have thought that would be fine too - maybe you can update drivers? I’n not sure how that works on linux, but I rather think Nvidia do make linux drivers…

Hopefully it can be sorted. Linux is a strange beast to work with when you have become used to working with Windows. I am hoping to get my head around linux as it is a nice operating system to breath life into older computers. Also Mint is a nice OS. I have posted a question about the graphic cards on the forum and hopefully someone can point me in the right direction.

I hope my Windows laptop just needs a new battery. It flashed a warning about going into powersaving mode and just shut down. Off to the computer shop tomorrow.

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@Terry Have you installed the official Nvidia drivers or are you using the open source Nouveau drivers?

Thanks for posting
darktable 4.2.1


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@anon42681393 after a challenging day on google I have the latest official drivers but stil no OpenCL. Bummer.

My versions…

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And of course you haven’t just installed them, but also activated in the driver manager…

Linux is torture for a Windows dummy. I have now resolved the problem after many hours of google andhelp from forums.

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My fun in GIMP

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@123sg I think the most important lesson for me in this thread is your take on perspective correction. The slightly diagonal roof-line you left in your version is much more interesting than the frontal view I created from the RAW. Most of the other posters seem to agree.

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@Terry In my initial attempt I did not use filmic at all, as I found it does not bring much improvement. Especially in its default settings right after enabling it the highlights looked terrible and I had to tweak the mask of the reconstruction tab.
It is interesting to see, to which degree the individual versions in this thread are able to reproduce the details of the crystal chandeliers that are next to the blow out lights. Some are more or less a bright blob, while others show some of the finer structures. I still need to go through the histories of the sidecars to see, what is different there.

Ha…I went this route when I decided to “play” with Linux. I saw all posts about drivers and opencl etc etc…

image

:slight_smile:

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Thanks Todd. It was a challenging day and at many times I gave up, but always came back and eventually got the problem solve. One of the issues is discussing Linux issues and solutions is like a foriegn language to linux newbies. I suspect my problem would have been solved early if I just went to the driver manager and set the recommended propriety driver despite it not being the latest and then uninstalled and reinstalled DT. I will never know for sure, but I feel the sledgehammer approach of reinstalling DT was the critical issue and that is a real Windows fallback method. I am glad it is working and hope this desktop will prove a good DT machine. I plan not to install many programs on it and focus it for DT edits. But I miss the weekly Windows Insider program to see the improvements coming.

I didn’t focus on the blown highlights with any deliberate effort. If I achieved this it was by doing a second masked exposure for the top region of the image. Personally I feel my result looks dull and would like to put more lift into the image. But I had limited time and a really slow computer at the time. I made cups of coffee while it did some calculations. Now it has a very fast OpenCL and I hope it works a lot quicker for future edits.

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ART

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@gaaned92 I think you’ve done the best job in highlight reconstruction so far, (the chandeliers have their details back). The overall processing is very balanced.
I am not sure if the sepia look is intended, personally I’d take your version as starting point for some more color grading. Especially I’d desaturate the yellowish cast on the foreground to have a little more contrast to the warm light from the inside.

A late entry.
darktable-4.3.0+1304
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