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  • 1.  Invert Mask Option?

    Posted 01-24-2018 20:29
    Is there a way to invert a mask within Xpression?


  • 2.  RE: Invert Mask Option?

    Posted 01-25-2018 15:41
    No, you have to create an image of the shape of mask you want and use that.
    #XPression


  • 3.  RE: Invert Mask Option?

    Posted 01-25-2018 18:25
    This seems to come up every couple of months. One thing Ross has been really good with is implementing requested functionality in future releases. So, to that end, are there any plans for inverse mask interpolation on the development road map?
    #XPression


  • 4.  RE: Invert Mask Option?

    Posted 07-08-2025 09:46

    We need INVERT MASK!  I'm replying to this thread to bump it back to the top.  It's been coming up "every couple of months" for years.  Other systems have had this feature since last century and I think it's high time Ross joined the club!  This one item would vastly simplify both creation and animation.  Please Ross?



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    Kraig
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    Original Message


  • 5.  RE: Invert Mask Option?

    Posted 07-08-2025 11:21

    https://rossvideo.community/discussion/how-to-create-an-inverted-alpha-mask#bm4b3e18c2-4eae-4f5c-978b-9de4c2f0c2a5 



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    Simon Redmile
    Senior Graphic Programmer & Designer
    Ross Video
    Bristol United Kingdom
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    Original Message


  • 6.  RE: Invert Mask Option?

    Posted 01-26-2018 01:23
    Open the Material editor for your mask material, select Texture, then Alpha Blending, pull down Blend Mode, choose Subtract, then set Mix Value to 100. I've only used this with a very soft, feathered mask...with a harder edge, you might see problems.
    #XPression


  • 7.  RE: Invert Mask Option?

    Posted 01-26-2018 17:39
    Yeah, that work around doesn't hold in all usage cases, I've done it myself at times.
    #XPression