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## Kernel::Direction_3

A type representing directions in three dimensions.

### Refines

CopyConstructible, Assignable, DefaultConstructible

### See Also

CGAL::Direction_3<Kernel>
Kernel::ConstructDirection_3
Kernel::ConstructOppositeDirection_3
Kernel::Equal_2

Next: Kernel::DoIntersect_2

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The CGAL Project . Tue, December 21, 2004 .