
Compositing a Negated 12-Hue Image with Its Original Using the Following Filters |

Original |

Negate |
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As you can see below, both the Plus and Add produced white on white images and therefore are not useful.

Original |

Plus
|

Minus |

Original |

Add
|

Subtract |

Original |

Difference
|

Multiply |

Original |

Bumpmap |

CopyRed |

Original |

CopyGreen |

CopyBlue |

Original |

Modulate |

Threshold |
Compositing Intro ~ 1
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