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ImageJ/Fiji macro for bulk splitting glTF metallicRoughness.pngs back into their respective metallic, roughness and AO maps

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based on lfang-salk/Batch-processing-toolkit

##Split RGB channels

ImageJ/FIJI macro for bulk splitting glTF metalicRoughness.pngs back into their respective Metallic, Roughness and Ambient Occlusion maps.

Specification:

Input - RGB metallicRoughness.png images saved in one folder.
Output - Splitted single channel images saved in three folders, each of which contains images of one single channel.

The maps are distributed assuming Red = AO, Green = Rougness, Blue = Metallic.

Installing Imagej:

  • go to https://imagej.net/downloads
  • pick a distribution (Fiji is the newest as of now)
  • unzip the portable application into a folder (not Program Files)

How to use:

  • Put all your images in one folder.
  • Simply drag and drop the .ijm file into ImageJ/FIJI.
  • Click "Run".
  • When the dialog window pops up, select the folder where you put all your images as the target directory.
  • Then you are done! Check the splitted single channel images in different folders that were just automatically created!

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ImageJ/Fiji macro for bulk splitting glTF metallicRoughness.pngs back into their respective metallic, roughness and AO maps

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  • ImageJ Macro 100.0%