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FX-map Max blending in color mode?

Engaged ,
Jan 10, 2023 Jan 10, 2023

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Fx map in color mode does 3 kinds of blending : add/sub , Max and alpha blend .    But  Max one doesn't seem working.

kirkr5689_0-1673338386240.png

Is it a bug or  I am  missing something?

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Substance Graph

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correct answers 1 Correct answer

Adobe Employee , Jan 19, 2023 Jan 19, 2023

Hello,

 

Thank you @davescm for flagging this to me!

 

The Max blending mode is not supported for FX-Maps in Color mode. There is indeed a bug in the sense that this blending mode should not be listed in this case.

Similarly, the Alpha blending mode is not supported in Grayscale mode.

 

I have reported this to the rest of the team. Thank you @kirkr5689 for reporting this!

 

Best regards.

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Community Expert ,
Jan 11, 2023 Jan 11, 2023

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It looks like a bug to me. It appears to work correctly in greyscale but not in colour.

Tagging Adobe's @Luca Giarrizzo to see if he can comment.

 

 

Dave

 

 

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Engaged ,
Jan 12, 2023 Jan 12, 2023

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Would be nice if  fxmap cold do same style of blending as in shape splatter with "if else" where  the  heights from  alphas give the boolen by ">" and RGBA goes to if and else .

 

I also wonder  would it be same  performance wise if I just split RGBA to gray channels and  do synced  FX-map on them? 

 

 

 

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Adobe Employee ,
Jan 19, 2023 Jan 19, 2023

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Hello,

 

Thank you @davescm for flagging this to me!

 

The Max blending mode is not supported for FX-Maps in Color mode. There is indeed a bug in the sense that this blending mode should not be listed in this case.

Similarly, the Alpha blending mode is not supported in Grayscale mode.

 

I have reported this to the rest of the team. Thank you @kirkr5689 for reporting this!

 

Best regards.

Luca Giarrizzo | QA Analyst, 3D & Immersive | Adobe

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Engaged ,
Jan 20, 2023 Jan 20, 2023

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Why not keep it and make it work  instead.   Could be a huge improvement.   Max blending per channel for example

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Adobe Employee ,
Jan 20, 2023 Jan 20, 2023

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This is an opportunity to discuss this internally for sure! Changes to atomic nodes – especially ones as fundamental as the FX-Map – should always be considered with great care.

 

I appreciate the feedback!

 

Best regards.

Luca Giarrizzo | QA Analyst, 3D & Immersive | Adobe

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