Color Picker ID v3.1

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Contributor: Andrea Geremia
Generate a matte from the ID and the Coverage Pass, like the Cryptomatte
11.0, 10.5, 10.0, 9.0, 8.0, 7.1, 7.0 or later
Linux, Mac, Windows
17 Dec 2019

Use this Gizmo if you want to extract a matte from your ID pass, instead of Cryptomatte

Video instructions:


New in version 3.1:

+ Modified for Nuke 8.0


New in version 3.0:

+ Some little fixes

+ Cleaned label of the node

+ Added Reset button

+ Added bold and italic texts


New in version 2.0:

+ Removed button UPDATE. Now it's done automatically :)

+ More attributes to extract the correct ID in an easier way!

+ knob MIX for each ID

+ Added mask

+ Choose the channel of the Coverage Pass





Connect input ID to the ObjectID that you rendered.


This Gizmo has 4 tabs:

  • ColorPicker: select colors in your ID. Click on checkbox active to activate this Picker
  • Controls: select Pick from the list and click on the UPDATE button. Here you can modify each single matte
  • Coverage: if you connect a Coverage Pass (on the alpha channel), here you can tuning the Coverage
  • Final Matte: adjust the final matte, all IDs together!




ColorPickerID can work with Coverage Pass, with the relative input. Coverage pass must be in the alpha channel.

Use Gizmo CoveragePass to extract this image from Arnold and RenderMan. 


Video instructions:


Special Thanks to Matteo Corbi

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0 # bishoy usama 2018-11-14 17:32
I have a problem with your gizmo that i have to increase tolerance for every color to color id
+1 # Andrea Geremia 2019-02-14 21:40
You have to modify the tolerance for each ColorID.
Change from the list the pick and adjust the tolerance ;)
+2 # ankur suvarapu 2019-10-21 05:04
Thanks for sharing
0 # Ben San 2019-12-02 08:17
Hi, i am using nuke 8.0v5 and i cant load the gizmo.. It says:
BackdropNode13.z_order: no such knob
and this gizmo is for Nuke10.5v2
Can you help me? :D
0 # Andrea Geremia 2019-12-17 00:08
Hello Ben,
thank you for flagging that problem.
I've updated the tool. Try if it can work with your Nuke 8
0 # prasham patel 2021-01-19 14:41
how to install it? i downloaded it and the copied to .nuke folder but it is not showing when i open nuke
0 # Andrea Geremia 2021-01-19 20:55
It's like any other gizmo, man.
You need to update "All plugins" in Nuke, or you can copy-paste it in Node Graph
0 # prasham patel 2021-01-19 14:41
how to install it? i downloaded it and the copied to .nuke folder but it is not showing when i open nuke

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