package geoml

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Ellipses manipulation

type t = private {
  1. f1 : Point.t;
  2. f2 : Point.t;
  3. radius : float;
  4. big_axis : float;
  5. small_axis : float;
}
val make_bifocal : Point.t -> Point.t -> float -> t
val focal1 : t -> Point.t
val focal2 : t -> Point.t
val center : t -> Point.t
val radius : t -> float
val big_axis : t -> float
val small_axis : t -> float
val rotate : t -> Point.t -> float -> t

radian rotation. rotate e p f returns the rotated ellipse with p as the rotation center and f a angle in radian

val rotate_angle : t -> Point.t -> float -> t

degree rotation. rotate e p f returns the rotated ellipse with p as the rotation center and f a angle in degree

val translate : float -> float -> t -> t
val scale_x : t -> float -> t
val scale_y : t -> float -> t
val contains : t -> Point.t -> bool
val area : t -> float