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General Nerd stuff

H(DR)ello

Here are some Quicklinks to the articles that are most important to me at the moment. Everything else you can find here by scrolling down or checking the menu up right: Panicpost – commercial break

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Nerd stuff

The “lazy” compositor

Use the “winner” HDRI from the previous article and render a car with “no” compositing effort.

The previous article was already a bit long, so I split it up into two parts. Here it now the second part. I go over the preparation of the footage, render a car model and place it in the plate.

Blender Cycles rendering and more or less a simple A over B in Nuke.
Resolve HDR trim pass of the same image. Really shows the “ping” in the specular highlights.

HDR content disclaimer

Please continue with 2.4.4. Refine and Render.

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Theta Z1 vs. Canon 7D

A direct comparison, shooting brackets back to back on a parking lot.

It’s been a while that I wrote the last article in the color chart series. Actually it was January this year, but like it feels like years ago. This time I stick to my “best” workflow using CaptureOne for the RAW to TIFF conversion and PTGui for the stitching of the HDRI, but I had the chance to do a shoot-out between the Ricoh Theta-Z1 vs. my Canon 7D setup on a quiet sunny morning. This article will be followed by a comparison of some Blender&ACES rendering results with the different HDRIs (coming soon).

Please follow the line to the full article “2.4.3. Eliminate Variables“.

I am still playing around with HDR content on this site. That’s why I rendered more content in HDR for further tests. This clip was rendered with Resolve Studio as a ProRes4444 and uploaded directly to Vimeo and YouTube. Somehow they look already different…

Note: I am only able to watch the HDR content when I view this page in Safari on an iPhoneX upwards or from inside the Vimeo App directly. This works then also on an iPadPro.

Test upload of another video. This time from a ProRes4444 directly to YouTube.
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Unfair grading comparisons

Too many times you can this on social media:

Resolve HDR trim pass for 1.000 nits

I took a look at what each step means in a new article:
Flat vs. Graded = Wow?

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Apply 3D-LUTs in Flame and Nuke in ACES

Just some days ago I found a question in the facebook Logik group about how to apply a preview look LUT in flame when working in ACES. I had to do this already sometimes, so I could help out amongst others, but for sure I will forget about it in the next weeks and won’t be able to find it when I need it again. So I put together the working steps that are needed to do the same in Nuke and pointed out some obvious limitations with 3D-LUTs in ACES.

Another article for in the menu Learning ACES:
2.6.1. Apply 3D-LUTs in flame and nuke

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Understand Resolve color management

with some help from Nuke.

A look at Resolve and what the basic controls do to your image: without color management, when using a 3D-LUT and what changes when Resolve is switched to ACES.

Lift / Gamma / Gain

2.5.3. Understanding Resolve Color Management with Nuke

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General Nerd stuff

HDR content – first tests and my HDR experience

B-Log: My HDR experience

Read the full article about my first HDR experience.


Looking for feedback!

I found out that I can link a HDR-Vimeo video here on the website and watch this HDR content on a iPhone (X or 11Pro) directly on the page when viewed with Safari. I don’t even have to be in the Vimeo App for that. I did not know that this is possible.

Sadly it doesn’t work on a iPad or MBP that support HDR as well. If the device doesn’t support HDR you will be presented with a down converted SDR version. Please note also that this page needs to be opened directly in Safari on iOS and not from within LinkedIn or Instagram.

HDR – jump from 100 nits to 1.000 nits peak brightness after 10 seconds.
HDR – sunlit facade gets really bright.

The HDR clip is a part of the new article
1.6.5. Comp before/after view transform (HDR)“.

I am able to see the HDR content:

  • on a iPhone 11ProMax (looks best)
  • on a iPadPro, but only as a direct file playback from an iCloud folder share
  • on a MBP (2018) in the finder with the Quicktime Player X, FCPX/Compressor or Resolve Studio.
  • on a MBP with inside the Vimeo APP – but only in the small preview window, as soon I click full screen, the resolution is awful.
  • on a Samsung S10, but only when it’s played back directly as a file from a google drive account.

I am not able to see the HDR content:

  • in Safari on an iPad Pro.
  • in Safari on a MBP thats supports HDR. 
  • without the latest MacOS Catalina or iOS version.

If you are able to see the HDR video and can give me some feedback, this would be great.

Blender ACEScg Cycles render – graded and output with Resolve Studio 16.
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ACES & the sRGB-Texture IDT

Taking a texture from the “screen” and bringing it inside the “scene”.

In this article I focus on the sRGB-Texture IDT and the right usage in Nuke or 3D packages.

From “scene” to “screen”
and back into the “scene”.

Please find the article in the menu Understanding ACES:

2.7. The sRGB-Texture IDT

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Blender Filmic to ACES

Converting a simple scene with some textures and a HDRI

Here comes another project that I wanted to check out and test. Can I take a very simple scene that I created in Blender out of the box and convert it to render it in ACES? For me it worked out smoothly in this case.

I learned a lot on the way and I am happy to share the results. It can be also found in the menu Learning ACES:
1.9. FILMIC to ACES

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Moving into a bigger gamut

This a another new entry in the menu Learning ACES:
1.8. Moving into a bigger gamut