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 spliited single channel images in different folders that are just automatically created!