`Alpha Puli` is a one gizmo solution to make sure the alpha you generated works well with the image using all the setups I could find to check if the alpha channel fits.
This node must NOT be used in your script in a way that it would affect the outcome.
It`s main purpose to check your work!
Let`s see how you can use it:
CHECKER / Mode / Overlay
With the `Overlay` selected you have different colors you can choose from that fills your alpha.
CHECKER / Overlay
These are the color options can be selected as overlay IF the OVER is on `Overlay`.
CHECKER / Color Mix
Here you can adjust the level of mix of the selected overlay color IF the OVER is on `Overlay`.
CHECKER / Mode / Grey, Black, White, Checkerboard
With the `Overlap` selected you have different colors and the checkerboard, you can choose from to check your premultiplied area on.
CHECKER / Box size
Here you can adjust the size of the checkerboard`s boxes when the mode/checkerboard is selected.
CHECKER / Adjust RGB
Here you can find different options to adjust your RGB information in order to see edges better that are might be too blurry or too similar to the background.
CHECKER / Adjust alpha / Checker
Here you can do final checks on your alpha to make sure you don`t leave holes on it or rogue alpha patches. As it only adjusts the alpha channel you can view it in different modes you select above.
Check high values
Check low values
CHECKER / Adjust alpha / Show illegal values ( a<0, 1<a)
Here you get highlighted the alpha values that are lower than 0 or higher than 1.
Show illegal values ( a<0, 1<a)
QC / Contact Sheet View
Allows you to turn on the Contact Sheet View and view your RGBA in different setups.
QC / Labels
Allows you turn on/off the labels for the windows.
QC / Label Scale
Allows you to adjust the scale of the labels.
QC / Background Color
Allows you to change the background color for 'High Values' and 'Low Values'.
QC / Overlay Color
Allows you to change the overlay color for 'Outline', 'Overlay' and 'Overlay Invert'
QC / Overlay Mix
Allows you to change the mix of the overlay color for 'Outline', 'Overlay' and 'Overlay Invert'
QC / Sheet Resolution
Allows you to change the overall image resolution of the contact sheet.
'Contact Sheet View' turned on
This setup is a simplified script of a recommended
way of how to use 'Alpha Puli'.
Hope you will find it useful!
Here's the GitHub link ( just select the text and copy to Nuke )
Huge thanks for the following artists for helping me testing and developing the gizmo: