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Flip Horizontal / flip vertical : named backwards

When clicking an image/token and selecting Flip Horizontal, it flips along the vertical axis.   Selecting flip vertical, it flips it along the horizontal axis.
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Brian C.
Pro
Marketplace Creator
Compendium Curator
It is named for which direction the pixels are rearranged rather than the axis used. This matches the usage of the term in image editing programs such as the GIMP.
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keithcurtis
Forum Champion
Marketplace Creator
API Scripter
This is standard nomenclature. Something flipping along a vertical axis is flipping horizontally, i.e. exchanging left for right. Flipping along the horizontal axis is exchanging up for down: vertically. An axis is always perpendicular to the direction of movement, and the flipping refers to the direction of movement, not the orientation of the axis.