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Exclusive OR of two `polyshape`

objects

`[`

also returns vertex mapping information from the vertices in
`polyout`

,`shapeID`

,`vertexID`

] = xor(`poly1`

,`poly2`

)`polyout`

to the vertices in `poly1`

and
`poly2`

. The `xor`

function only supports this
syntax when `poly1`

and `poly2`

are scalar
`polyshape`

objects.

The `shapeID`

elements identify whether the corresponding vertex
in `polyout`

originated in `poly1`

,
`poly2`

, or was created from the exclusive OR.
`vertexID`

maps the vertices of `polyout`

to
the vertices of `poly1`

, `poly2`

, or the exclusive
OR.