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This script is intended to add and tweak settings of Corona Color correct nodes, it is only compatible with Corona Physical Materials,  i will add support for legacy material in futur version.

You can add some Corona Color correct with any specified values on any selected material slot (Diffuse, Bump, Roughness, Translucency, Self Illumination),the existing bitmaps will be kept inside the color correct.

you can also change any parameter afterward.

i've added some randomization to each parameter.

For example you can add some corona color correct on diffuse and bump with default value, then select only diffuse and choose a random  hue , then you select the bump and roughness and set saturation at -1 and adjust contrast or gamma to your needs. The randomize part will set a random value to the existing material so all objects with the assigned material will get a new color or new bump value, if you need to get each object to have a random color then you can use my other script ( corona material automator ) to create one material by selected objects (in the bottom part of the script), then the random values will be scattered across selected object materials, i will add this option later , or maybe merge the two script into one...

Installation as any other script, drag and drop in the viewport, then go to customize, customize user interface, tool bar, category "SimonScripts"

This Script is also part of this script :

Version Requirement: 
tested on 3dsmax 2023 corona 9 and 3dsmax 2024 corona 10
Other Software Required: 
Corona Render


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SimonBourgeois's picture

No UI Version

Link to a version without UI requested by llp103ping :

SimonBourgeois's picture


I can make a script without UI to add a Corona color correction to the selected nodes in the slate material editor, but you won't have any other options, is that what you need?

llp103ping's picture

without UI

Can you change the color correction to a script without UI? I want to use shortcut keys. thank you very much!

SimonBourgeois's picture

Corona Legacy Material Support

Hi Federico,

it is now compatible with Legacy Materials.You can find the updated version here
let me know if it still doesn't work.

SimonBourgeois's picture

Hi Federico, Did you try on a

Hi Federico,

Did you try on a Corona physical material ? because it is not compatible with legacy materials

i've been doing some updates to this script but it is now included in an other script, you can find it here
maybe it will fix your problem, though it is still not compatible with legacy.

let me know if it doesn't work either.

fede4383's picture

doesn't work

Tried on 3dsmax 2023 Corona 9 and when I hit the button no color correct is add... pity

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