apChroma v1.0


 
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Contributor: Adrian Pueyo
Website: adrianpueyo.com
Advanced chromatic aberration and iterative drift with user-defined color spectrum and multi-alpha calculations.
Requirements:
11.0, 10.5, 10.0 or later
25 Jun 2019
2018

               apChroma apChroma v1.0                

  

 

Tutorial/Overview video: https://vimeo.com/adrianpueyo/apchroma

apChroma

apChroma is an advanced chromatic aberration and drift gizmo, that works through a sub-frame blend of different values on an STMap and Transform, while creating a user-defined color spectrum.

apChroma can calculate a multi-channel alpha for correct merging of the result onto a plate, and the included apChromaMerge node will perform the multi-alpha merge operation.

apChroma screenshot

 

Bugs and suggestions always appreciated :)

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Comments   

 
+2 # Fabian Holtz 2019-06-25 08:44
Damn you Adrian, I have almost the exact same thing close to being ready. With curve, TimeBlur and seperate Merge :D
I'll check yours out tonight to compare more closely :)
 
 
0 # Adrian Pueyo 2019-06-25 09:21
hahaha, nice telepathy there. I'm sure it'll have some different/bette r feature! :lol:
 
 
+1 # Fabian Holtz 2019-06-25 15:25
Hehe yeah, it's interesting to see how we approached the same things in similar but still differerent ways.
Maybe I'll upload mine after we've given it a thorough test on the next show.
 
 
+1 # Mads Hagbarth Damsbo 2019-06-26 10:52
Quoting Fabian Holtz:
Damn you Adrian, I have almost the exact same thing close to being ready. With curve, TimeBlur and seperate Merge :D
I'll check yours out tonight to compare more closely :)


Hehe yea, we also have a similar tool at work with curves, ST and all that, but what a great idea with the multi alpha solution using a seperate merge!
 
 
0 # Anuj Varma 2019-08-16 11:01
hi Adrian , cool Gizmo

getting error on farm rendering

ERROR: apChroma1.Copy1 .disable: Nothing is named "parent.blur_en able"
 
 
0 # Oliver Banasiak 2019-08-30 20:56
This is a fantastic little gizmo BUT, as Anuj, I'm getting an error:

ERROR: apChroma.Copy1. disable: Nothing is named "parent.blur_en able"
 
 
0 # Henrique Reginato 2020-09-03 16:40
ERROR: apChroma1.Copy1 .disable: Nothing is named "parent.blur_en able"

Getting this same error as some people above... It works, but it crashes a lot becuase of this
Any ideas ?
 
 
0 # Henry Wilkinson 2021-12-16 23:55
A pretty cool gizmo, I appreciate the in-depth tutorial video!

Is there any way of attaching the UV map to a lens distortion node set to output an ST map? I've tried shuffling it out and plugging it into the UV input but wasn't able to get it working. Didn't try very long, maybe I'm just a dummy.
 
 
0 # Jojo Jojojojo 2022-02-12 15:32
UV Texture/STMAP mode appears broken in Nuke 13.1 :sad:
 
 
+1 # Fabian Holtz 2022-02-13 12:03
It's a bug in Nuke. You can replace the STMap node inside with a C_STMap node if you have NukeX, wait for the next Nuke version or use an old Nuke version.
 
 
0 # Jacob Slutsky 2023-07-27 18:49
Fantastic Tool!
We still get the following error on the farm at times:
ERROR: apChroma1.Copy1 .disable: Nothing is named "parent.blur_en able"
Any one figure out how to fix this one?
 
 
0 # Jacob Slutsky 2023-07-27 19:10
I'm guessing that I can just remove '!parent.blur_e nable' from the "copy1.disable' expression and all should be good? copy1.disable will just default to OFF and the node will be enabled as it normally is?
 

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