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type t
val empty : t
val (+): t -> Gg.v2 -> t
val get_coord : t -> Gg.v2
val get_stamp : t -> float
val create: angle:float -> width:float -> stamp:float -> x:float -> y:float -> t
val copy : t -> Gg.v2 -> t
val set_angle : t -> float -> t
val get_angle : t -> float
val set_width: t -> float -> t
val get_width: t -> float
val get_coord'
: t -> Gg.v2
(** [mix f point p0 p1] create a new point at the position point, with the
characteristics from p0 and p1 *)
val mix
: float -> Gg.v2 -> t -> t -> t
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