ostk.mathematics.geometry.d3.object.Ray

class Ray(
self: ostk.mathematics.geometry.d3.object.Ray,
origin: ostk.mathematics.geometry.d3.object.Point,
direction: numpy.ndarray[numpy.float64[3, 1]],
)

Bases: Object

Create a 3D ray with specified origin and direction.

Parameters:
  • origin (Point) -- The origin point of the ray.

  • direction (numpy.array) -- The direction vector of the ray.

Example

>>> origin = Point(0.0, 0.0, 0.0)
>>> direction = numpy.array([1.0, 0.0, 0.0])
>>> ray = Ray(origin, direction)

Methods

apply_transformation

Apply a transformation to the ray.

as_cone

Convert the object to a cone.

as_ellipsoid

Convert the object to an ellipsoid.

as_line

Convert the object to a line.

as_line_string

Convert the object to a line string.

as_plane

Convert the object to a plane.

as_point

Convert the object to a point.

as_point_set

Convert the object to a point set.

as_polygon

Convert the object to a polygon.

as_pyramid

Convert the object to a pyramid.

as_ray

Convert the object to a ray.

as_segment

Convert the object to a segment.

as_sphere

Convert the object to a sphere.

contains

Overloaded function.

distance_to

Calculate the distance from the ray to a point.

get_direction

Get the direction vector of the ray.

get_origin

Get the origin point of the ray.

intersection_with

Overloaded function.

intersects

Overloaded function.

is_cone

Check if the object is a cone.

is_defined

Check if the ray is defined.

is_ellipsoid

Check if the object is an ellipsoid.

is_line

Check if the object is a line.

is_line_string

Check if the object is a line string.

is_plane

Check if the object is a plane.

is_point

Check if the object is a point.

is_point_set

Check if the object is a point set.

is_polygon

Check if the object is a polygon.

is_pyramid

Check if the object is a pyramid.

is_ray

Check if the object is a ray.

is_segment

Check if the object is a segment.

is_sphere

Check if the object is a sphere.

undefined

Create an undefined ray.

apply_transformation(
self: ostk.mathematics.geometry.d3.object.Ray,
transformation: ostk::mathematics::geometry::d3::Transformation,
) None

Apply a transformation to the ray.

Parameters:

transformation (Transformation) -- The transformation to apply.

Example

>>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
>>> transformation = Transformation.translation([1.0, 0.0])
>>> ray.apply_transformation(transformation)
as_cone(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Cone

Convert the object to a cone.

Returns:

The cone.

Return type:

Cone

as_ellipsoid(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Ellipsoid

Convert the object to an ellipsoid.

Returns:

The ellipsoid.

Return type:

Ellipsoid

as_line(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Line

Convert the object to a line.

Returns:

The line.

Return type:

Line

as_line_string(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::LineString

Convert the object to a line string.

Returns:

The line string.

Return type:

LineString

as_plane(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Plane

Convert the object to a plane.

Returns:

The plane.

Return type:

Plane

as_point(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Point

Convert the object to a point.

Returns:

The point.

Return type:

Point

as_point_set(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::PointSet

Convert the object to a point set.

Returns:

The point set.

Return type:

PointSet

as_polygon(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Polygon

Convert the object to a polygon.

Returns:

The polygon.

Return type:

Polygon

as_pyramid(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Pyramid

Convert the object to a pyramid.

Returns:

The pyramid.

Return type:

Pyramid

as_ray(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Ray

Convert the object to a ray.

Returns:

The ray.

Return type:

Ray

as_segment(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Segment

Convert the object to a segment.

Returns:

The segment.

Return type:

Segment

as_sphere(
self: ostk.mathematics.geometry.d3.Object,
) ostk::mathematics::geometry::d3::object::Sphere

Convert the object to a sphere.

Returns:

The sphere.

Return type:

Sphere

contains(*args, **kwargs)

Overloaded function.

  1. contains(self: ostk.mathematics.geometry.d3.object.Ray, point: ostk.mathematics.geometry.d3.object.Point) -> bool

    Check if the ray contains a point.

    Args:

    point (Point): The point to check.

    Returns:

    bool: True if the ray contains the point, False otherwise.

    Example:
    >>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
    >>> ray.contains(Point(2.0, 0.0, 0.0))  # True (point on ray)
    
  2. contains(self: ostk.mathematics.geometry.d3.object.Ray, point_set: ostk.mathematics.geometry.d3.object.PointSet) -> bool

    Check if the ray contains a point set.

    Args:

    point_set (PointSet): The point set to check.

    Returns:

    bool: True if the ray contains the point set, False otherwise.

distance_to(
self: ostk.mathematics.geometry.d3.object.Ray,
point: ostk.mathematics.geometry.d3.object.Point,
) ostk.core.type.Real

Calculate the distance from the ray to a point.

Parameters:

point (Point) -- The point to calculate distance to.

Returns:

The minimum distance from the ray to the point.

Return type:

float

Example

>>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
>>> distance = ray.distance_to(Point(1.0, 1.0, 0.0))  # 1.0
get_direction(
self: ostk.mathematics.geometry.d3.object.Ray,
) numpy.ndarray[numpy.float64[3, 1]]

Get the direction vector of the ray.

Returns:

The normalized direction vector of the ray.

Return type:

Vector3d

Example

>>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
>>> direction = ray.get_direction()  # [1.0, 0.0, 0.0]
get_origin(
self: ostk.mathematics.geometry.d3.object.Ray,
) ostk.mathematics.geometry.d3.object.Point

Get the origin point of the ray.

Returns:

The origin point of the ray.

Return type:

Point

Example

>>> ray = Ray(Point(1.0, 2.0, 3.0), numpy.array([1.0, 0.0, 0.0]))
>>> origin = ray.get_origin()  # Point(1.0, 2.0, 3.0)
intersection_with(*args, **kwargs)

Overloaded function.

  1. intersection_with(self: ostk.mathematics.geometry.d3.object.Ray, plane: ostk::mathematics::geometry::d3::object::Plane) -> ostk::mathematics::geometry::d3::Intersection

    Compute the intersection of the ray with a plane.

    Args:

    plane (Plane): The plane to intersect with.

    Returns:

    Intersection: The intersection of the ray with the plane.

    Example:
    >>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([0.0, 0.0, -1.0]))
    >>> plane = Plane(Point(0.0, 0.0, 0.0), numpy.array([0.0, 0.0, 1.0]))
    >>> intersection = ray.intersection_with(plane)
    >>> intersection.get_point()  # Point(0.0, 0.0, 0.0)
    
  2. intersection_with(self: ostk.mathematics.geometry.d3.object.Ray, sphere: ostk::mathematics::geometry::d3::object::Sphere, only_in_sight: bool = False) -> ostk::mathematics::geometry::d3::Intersection

    Compute the intersection of the ray with a sphere.

    Args:

    sphere (Sphere): The sphere to intersect with. only_in_sight (bool, optional): If true, only return intersection points that are in sight. Defaults to True.

    Returns:

    Intersection: The intersection of the ray with the sphere.

    Example:
    >>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
    >>> sphere = Sphere(Point(0.0, 0.0, 0.0), 1.0)
    >>> intersection = ray.intersection_with(sphere)
    >>> intersection.get_point()  # Point(0.0, 0.0, 0.0)
    
  3. intersection_with(self: ostk.mathematics.geometry.d3.object.Ray, ellipsoid: ostk::mathematics::geometry::d3::object::Ellipsoid, only_in_sight: bool = False) -> ostk::mathematics::geometry::d3::Intersection

    Compute the intersection of the ray with an ellipsoid.

    Args:

    ellipsoid (Ellipsoid): The ellipsoid to intersect with. only_in_sight (bool, optional): If true, only return intersection points that are in sight. Defaults to True.

    Returns:

    Intersection: The intersection of the ray with the ellipsoid.

    Example:
    >>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
    >>> ellipsoid = Ellipsoid(Point(0.0, 0.0, 0.0), 1.0, 1.0, 1.0)
    >>> intersection = ray.intersection_with(ellipsoid)
    >>> intersection.get_point()  # Point(0.0, 0.0, 0.0)
    
intersects(*args, **kwargs)

Overloaded function.

  1. intersects(self: ostk.mathematics.geometry.d3.object.Ray, point: ostk.mathematics.geometry.d3.object.Point) -> bool

  2. intersects(self: ostk.mathematics.geometry.d3.object.Ray, plane: ostk::mathematics::geometry::d3::object::Plane) -> bool

  3. intersects(self: ostk.mathematics.geometry.d3.object.Ray, sphere: ostk::mathematics::geometry::d3::object::Sphere) -> bool

  4. intersects(self: ostk.mathematics.geometry.d3.object.Ray, ellipsoid: ostk::mathematics::geometry::d3::object::Ellipsoid) -> bool

is_cone(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a cone.

Returns:

True if the object is a cone.

Return type:

bool

is_defined(self: ostk.mathematics.geometry.d3.object.Ray) bool

Check if the ray is defined.

Returns:

True if the ray is defined, False otherwise.

Return type:

bool

Example

>>> ray = Ray(Point(0.0, 0.0, 0.0), numpy.array([1.0, 0.0, 0.0]))
>>> ray.is_defined()  # True
is_ellipsoid(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is an ellipsoid.

Returns:

True if the object is an ellipsoid.

Return type:

bool

is_line(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a line.

Returns:

True if the object is a line.

Return type:

bool

is_line_string(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a line string.

Returns:

True if the object is a line string.

Return type:

bool

is_plane(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a plane.

Returns:

True if the object is a plane.

Return type:

bool

is_point(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a point.

Returns:

True if the object is a point.

Return type:

bool

is_point_set(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a point set.

Returns:

True if the object is a point set.

Return type:

bool

is_polygon(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a polygon.

Returns:

True if the object is a polygon.

Return type:

bool

is_pyramid(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a pyramid.

Returns:

True if the object is a pyramid.

Return type:

bool

is_ray(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a ray.

Returns:

True if the object is a ray.

Return type:

bool

is_segment(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a segment.

Returns:

True if the object is a segment.

Return type:

bool

is_sphere(self: ostk.mathematics.geometry.d3.Object) bool

Check if the object is a sphere.

Returns:

True if the object is a sphere.

Return type:

bool

static undefined() ostk.mathematics.geometry.d3.object.Ray

Create an undefined ray.

Returns:

An undefined ray object.

Return type:

Ray

Example

>>> undefined_ray = Ray.undefined()
>>> undefined_ray.is_defined()  # False