Blackmagic Forum

Posted: **Thu Aug 09, 2018 1:39 am**

Well, some people may have already done this, but as I couldn't find it anywhere I took some time out of my free time and converted all of the 363 to .cube using LUT-Convert Python script https://github.com/mikeboers/LUT-Convert
Here is the link to the 2.4GiB folder
https://drive.google.com/folderview?id=1cBaI31TaZgj6Z7abReTEHIJPVtLqY4Dg
If by any means you appreciate it and feel your life was made in any way easier or happy, don't hesitate to send me anything you deem worthy through Paypal at gordoviajao@yahoo.com.br (well, I'm between jobs and could always use some gratitude

)
I'm also open to comments, suggestions and doubts. I may not be able to answer everything, as I just converted them, I'm not the original author of them for GMIC.

Posted: **Thu Aug 09, 2018 2:02 am**

Hey, i use those LUTS long time ago and they are the best looking LUTs ever. And free. But i converted them with IWLTBAP LUT Generator. Those LUTS are technically well made and usable in LOG and wide gamut. Colors are slightly different in wide gamut but no any wired posterization or banding compare to many other LUTs.

P.S. I can also suggest to download and convert to cube LUT pack from RawTherapy app. It seems that pack based on similar source but uses more complicated contrast curves and higher resolution.
https://patdavid.net/2015/03/film-emula ... rapee.html
http://rawtherapee.com/shared/HaldCLUT.zip

P.P.S. I also found that different software may convert HaldCLUT to cube in slightly different way. I'll be happy to check yours conversions and compare.

Posted: **Thu Aug 09, 2018 3:21 am**

Dmitry Shijan wrote:Hey, i use those LUTS long time ago and they are the best looking LUTs ever. And free. But i converted them with IWLTBAP LUT Generator. Those LUTS are technically well made and usable in LOG and wide gamut. Colors are slightly different in wide gamut but no any wired posterization or banding compare to many other LUTs.

P.S. I can also suggest to download and convert to cube LUT pack from RawTherapy app. It seems that pack based on similar source but uses more complicated contrast curves and higher resolution.
https://patdavid.net/2015/03/film-emula ... rapee.html
http://rawtherapee.com/shared/HaldCLUT.zip

P.P.S. I also found that different software may convert HaldCLUT to cube in slightly different way. I'll be happy to check yours conversions and compare.

Thanks! Please, do compare them! I'm curious to see what people think of it and if this was worth the time I spent on it

Posted: **Fri Aug 10, 2018 1:46 am**

I've used some of Pat David's film emulations at times past. Downloaded the HaldCLUT.png files directly from the G'MIC webpage:

https://gmic.eu/film_emulation/negative_new_sample_1.shtml#browse

Just a matter of clicking on the selected thumbnail image to get the download for the respective HaldCLUT.png file.

Like Dmitry, I used IWLTBAP_LUT_Generator for converting to CUBE LUT's

https://sellfy.com/p/aQ1y/

Nothing complicated. Simple one-click conversion.

Just compared some of 'so-converted' LUT's that I kept on file with the equivalent LUT's from Fernando's download pack and they produced identical scope profiles (with some test HD-AVC clips) in Resolve 15.

Edit:

Dmitry Shijan wrote:P.S. I can also suggest to download and convert to cube LUT pack from RawTherapy app. It seems that pack based on similar source but uses more complicated contrast curves and higher resolution.
https://patdavid.net/2015/03/film-emula ... rapee.html
http://rawtherapee.com/shared/HaldCLUT.zip

P.P.S. I also found that different software may convert HaldCLUT to CUBE in slightly different way.

Did that: downloaded the Raw Therapy pack and converted some of the HaldCLUT files to CUBE LUT's in like manner with the IWLTBAP-LUT generator. Testing in Resolve and comparing the profiles obtained with the equivalent LUT's from Fernando's pack (and mine) it is clear that the original have been 'modified' somewhat - generally higher contrast.

Also, as you noted Dmitry, the Raw Therapy HaldCLUT png's are higher resolution (1728 x 1728) than the 'original' G'MIC files (512 x 512) and the IWLTBAP-converted CUBE LUT files are way larger (79.7 MB vs 7.0 MB).

Beyond that, I can't really comment having never used Raw Therapy and knowing next to nothing about the complexities of 3D LUT's.

Edit: According to the ReadMe.txt in the RawTherapee (not Raw Therapy :roll:

) pack, the HaldCLUT.pngs are Image Level 12, sRGB, 8bits/channel. As I learn, the 'Image Level' is the cube root of the resolution and equals the number of columns. Which makes the 'original' G'MIC (512) images, Level 8:

http://www.quelsolaar.com/technology/clut.html
http://rawpedia.rawtherapee.com/Film_Simulation

In theory, the higher the Image Level, the greater the precision, but if the RawTherapee HaldCLUT's were (as assumed) derived from the originals, with some modifications along the way, I can't see that would make the transforms any more precise.

Posted: **Fri Aug 10, 2018 4:07 am**

Bryan Worsley wrote:I've used some of Pat David's film emulations at times. Downloaded the HaldCLUT.png files directly from the G'MIC webpage:

https://gmic.eu/film_emulation/negative_new_sample_1.shtml#browse

Just a matter of clicking on the selected thumbnail image to get the download for the respective HaldCLUT.png file.
I also used IWLTBAP_LUT_Generator to convert them to CUBE LUT's

https://sellfy.com/p/aQ1y/

Nothing complicated there. Simple one-click conversion.

Just compared some of 'so-converted' LUT's that I kept on file with the equivalent LUT's from Fernando's download pack and they produced identical scope profiles with some test clips (HD-AVC) in Resolve 15.

Edit:

Dmitry Shijan wrote:P.S. I can also suggest to download and convert to cube LUT pack from RawTherapy app. It seems that pack based on similar source but uses more complicated contrast curves and higher resolution.
https://patdavid.net/2015/03/film-emula ... rapee.html
http://rawtherapee.com/shared/HaldCLUT.zip

P.P.S. I also found that different software may convert HaldCLUT to CUBE in slightly different way.

Did just that: downloaded the Raw Therapy pack and converted some of the HaldCLUT files to CUBE LUT's in like manner. Testing in Resolve and comparing the profiles obtained with the equivalent LUT's from Fernando's pack (and mine) it is clear that they have been 'modified' somewhat - generally higher contrast.

As you noted Dmitry, the Raw Therapy HaldCLUT png's are also higher resolution (1728 x 1728) than the 'original' G'MIC files (512 x 512) and the IWLTBAP-converted CUBE LUT files are way larger (79.7 MB vs 7.0 MB).

Beyond that, I can't really comment having never used Raw Therapy and knowing next to nothing about the complexities of 3D LUT's.

Thanks for confirming that, your input is much appreciated and now we know Rawtherapee handles that in a different way. That's interesting news!

Posted: **Fri Aug 10, 2018 4:43 am**

For example Velviia100 LUT extracted from GMIC pack vs extracted from Rawtherapee pack:

Posted: **Sun Aug 12, 2018 4:19 am**

Yeah, the Rawtherapee one really introduces some extra contrast into the mix

Posted: **Thu Nov 14, 2019 9:51 pm**

Posted: **Mon Nov 18, 2019 9:04 pm**

Dmitry Shijan wrote:I am thinking to release large unified G'MIC and RawTherapee pack of x33 and x65 sized .cube LUTs.

It would be so kind if you could share your conversion results with us! <3

Posted: **Tue Nov 19, 2019 12:17 am**

Here it is! G'MIC and RawTherapee Film Simulation LUTs converted to .cube format by RADIOPROEKTOR on 2019-11-14.
Awesome LUTs made by talented people based on real film stocks. A lot of known free and commercial products are based on those HaldCLUTs sources. G'MIC and RawTherapee LUTs have some common roots but they are definitely not exact the same.

G'MIC Color Presets and Simulate Film Filters Collection 2019-10-19.
Package includes 296 Film LUTs and 159 Creative LUTs.
https://gmic.eu/color_presets/
Converted from x64 HaldCLUT sources to x33 and x64 sized .cube format. G'MIC LUT files where renamed, numbered and sorted in correct order to match RawTherapee LUT files naming logic. Numbered the files so they are sorted in the correct order when pushed or pulled (--, -, normal, +, ++).

RawTherapee Film Simulation Collection 2015-09-20.
Package includes 259 Film LUTs and 33 Creative LUTs.
http://rawpedia.rawtherapee.com/Film_Simulation
Converted from x144 HaldCLUT sources to x33 and x65 sized .cube format.

It took me a lot of time and effort to organize and transform these HaldCLUTs into .cube format, to made them compatible with DaVinci Resolve and other editing apps. I ask only $10 for this user friendly pack, but if you want to donate more - just add to cart two or more item copies.

:arrow:

ORDER LUTs HERE: https://lavky.com/handmade/visual-arts/ ... t=VR243296

For any details contact me directly to radioproektor (@) gmail . com

Distributed under Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0)

Posted: **Tue Nov 19, 2019 6:14 am**

Hey Dmitry, I got the HaldCLUT from the links you provided before but I think your new conversion is much better. I'll going to donate and download it when I get back tomorrow.

Is this a reasonable workflow for BRAW and being able to use the film out?
Node 1 = BRAW tab (Exposure)
Node 2 = ColorSpace Transform (Input colorspace/gamma: timeline/timeline; Output CS/Gamma: Arri/C-LOG
Node 3 to N = Primary grades (L-G-G, Contrast, Sat)
Node N+1 = GMIC Film LUT

Thoughts?

Posted: **Tue Nov 19, 2019 4:15 pm**

Ellory Yu wrote:Hey Dmitry, I got the HaldCLUT from the links you provided before but I think your new conversion is much better. I'll going to donate and download it when I get back tomorrow.

Is this a reasonable workflow for BRAW and being able to use the film out?
Node 1 = BRAW tab (Exposure)
Node 2 = ColorSpace Transform (Input colorspace/gamma: timeline/timeline; Output CS/Gamma: Arri/C-LOG
Node 3 to N = Primary grades (L-G-G, Contrast, Sat)
Node N+1 = GMIC Film LUT

Thoughts?

step by step workflow FAQ:
viewtopic.php?f=21&t=65149&p=543725#p537852

Posted: **Tue Nov 19, 2019 6:57 pm**

Here are also some examples of OLD vs NEW G'MIC LUTs versions applied to test gradient image.

Original test image:

Сomparative test 1

Сomparative test 2

Сomparative test 3

Posted: **Fri Jul 03, 2020 7:13 am**

Also here are few articles and examples from the authors of G'MIC and RawTherapee LUTs:
https://patdavid.net/2015/03/film-emula ... rapee.html
https://patdavid.net/2013/08/film-emula ... -gimp.html
https://patdavid.net/2013/09/film-emula ... -gimp.html
https://gmic.eu/color_presets/
http://rawpedia.rawtherapee.com/Film_Simulation

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GMIC HaldCLUT's converted to .cube

GMIC HaldCLUT's converted to .cube

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