DicomObjects Reference
DicomObjects Reference / DicomImage Object / MaskFraction Property
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    MaskFraction Property
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    Description
    Controls partial masking to show some original image landmarks
    Property type
    Read-write property
    Syntax
    Visual Basic
    Public Property MaskFraction As Single
    Remarks
    The frame selected by MaskFrame is normally subtracted 100% from the chosen display frame (or all frames if a cine mode is in use) before display, leaving only the differences between the frames.  By setting this value to slightly less than 1.0 it is possible to “leave” a little of the original image showing, which can make it easier to see bony landmarks etc.
    See Also