open3d.geometry.LineSet¶

class open3d.geometry.LineSet¶

LineSet define a sets of lines in 3D. A typical application is to display the point cloud correspondence pairs.

class Type¶

Enum class for Geometry types.

HalfEdgeTriangleMesh = Type.HalfEdgeTriangleMesh¶

Image = Type.Image¶

LineSet = Type.LineSet¶

PointCloud = Type.PointCloud¶

RGBDImage = Type.RGBDImage¶

TetraMesh = Type.TetraMesh¶

TriangleMesh = Type.TriangleMesh¶

Unspecified = Type.Unspecified¶

VoxelGrid = Type.VoxelGrid¶

__init__(*args, **kwargs)¶

Overloaded function.

__init__(self: open3d.cpu.pybind.geometry.LineSet) -> None

Default constructor

__init__(self: open3d.cpu.pybind.geometry.LineSet, arg0: open3d.cpu.pybind.geometry.LineSet) -> None

Copy constructor

__init__(self: open3d.cpu.pybind.geometry.LineSet, points: open3d.cpu.pybind.utility.Vector3dVector, lines: open3d.cpu.pybind.utility.Vector2iVector) -> None

Create a LineSet from given points and line indices

clear(self)¶

Clear all elements in the geometry.

Returns: open3d.cpu.pybind.geometry.Geometry

static create_from_axis_aligned_bounding_box(box)¶

Factory function to create a LineSet from an AxisAlignedBoundingBox.

Parameters: box (open3d.geometry.AxisAlignedBoundingBox) – The input bounding box.
Returns: open3d.cpu.pybind.geometry.LineSet

static create_from_oriented_bounding_box(box)¶

Factory function to create a LineSet from an OrientedBoundingBox.

Parameters: box (open3d.geometry.OrientedBoundingBox) – The input bounding box.
Returns: open3d.cpu.pybind.geometry.LineSet

static create_from_point_cloud_correspondences(cloud0, cloud1, correspondences)¶

Factory function to create a LineSet from two pointclouds and a correspondence set.

Parameters

cloud0 (open3d.cpu.pybind.geometry.PointCloud) – First point cloud.
cloud1 (open3d.cpu.pybind.geometry.PointCloud) – Second point cloud.
correspondences (List[Tuple[int, int]]) – Set of correspondences.

Returns

open3d.cpu.pybind.geometry.LineSet

static create_from_tetra_mesh(mesh)¶

Factory function to create a LineSet from edges of a tetra mesh.

Parameters: mesh (open3d.geometry.TetraMesh) – The input tetra mesh.
Returns: open3d.cpu.pybind.geometry.LineSet

static create_from_triangle_mesh(mesh)¶

Factory function to create a LineSet from edges of a triangle mesh.

Parameters: mesh (open3d.geometry.TriangleMesh) – The input triangle mesh.
Returns: open3d.cpu.pybind.geometry.LineSet

dimension(self)¶

Returns whether the geometry is 2D or 3D.

Returns: int

get_axis_aligned_bounding_box(self)¶

Returns an axis-aligned bounding box of the geometry.

Returns: open3d.geometry.AxisAlignedBoundingBox

get_center(self)¶

Returns the center of the geometry coordinates.

Returns: numpy.ndarray[float64[3, 1]]

get_geometry_type(self)¶

Returns one of registered geometry types.

Returns: open3d.geometry.Geometry.GeometryType

get_line_coordinate(self, line_index)¶

Parameters: line_index (int) – Index of the line.
Returns: Tuple[numpy.ndarray[float64[3, 1]], numpy.ndarray[float64[3, 1]]]

get_max_bound(self)¶

Returns max bounds for geometry coordinates.

Returns: numpy.ndarray[float64[3, 1]]

get_min_bound(self)¶

Returns min bounds for geometry coordinates.

Returns: numpy.ndarray[float64[3, 1]]

get_oriented_bounding_box(self)¶

Returns an oriented bounding box of the geometry.

Returns: open3d.geometry.OrientedBoundingBox

static get_rotation_matrix_from_axis_angle(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_quaternion(rotation: numpy.ndarray[float64[4, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_xyz(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_xzy(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_yxz(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_yzx(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_zxy(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

static get_rotation_matrix_from_zyx(rotation: numpy.ndarray[float64[3, 1]]) → numpy.ndarray[float64[3, 3]]¶

has_colors(self)¶

Returns True if the object’s lines contain colors.

Returns: bool

has_lines(self)¶

Returns True if the object contains lines.

Returns: bool

has_points(self)¶

Returns True if the object contains points.

Returns: bool

is_empty(self)¶

Returns True iff the geometry is empty.

Returns: bool

paint_uniform_color(self, color)¶

Assigns each line in the line set the same color.

Parameters: color (numpy.ndarray[float64[3, 1]]) – Color for the LineSet.
Returns: open3d.cpu.pybind.geometry.LineSet

LineSet.rotate(R, R, center)

Apply rotation to the geometry coordinates and normals.

Parameters

R (numpy.ndarray[float64[3, 3]]) – The rotation matrix
R – The rotation matrix
center (numpy.ndarray[float64[3, 1]]) – Rotation center used for transformation

Returns

open3d.cpu.pybind.geometry.Geometry3D

LineSet.scale(scale, center, scale, center)

Apply scaling to the geometry coordinates.

Parameters

scale (float) – The scale parameter that is multiplied to the points/vertices of the geometry
center (numpy.ndarray[float64[3, 1]]) – Scale center used for transformation
scale – The scale parameter that is multiplied to the points/vertices of the geometry
center – Scale center used for transformation

Returns

open3d.cpu.pybind.geometry.Geometry3D

transform(self, arg0)¶

Apply transformation (4x4 matrix) to the geometry coordinates.

Parameters: arg0 (numpy.ndarray[float64[4, 4]]) –
Returns: open3d.cpu.pybind.geometry.Geometry3D

translate(self, translation, relative=True)¶

Apply translation to the geometry coordinates.

Parameters

translation (numpy.ndarray[float64[3, 1]]) – A 3D vector to transform the geometry
relative (bool, optional, default=True) – If true, the translation vector is directly added to the geometry coordinates. Otherwise, the center is moved to the translation vector.

Returns

open3d.cpu.pybind.geometry.Geometry3D

HalfEdgeTriangleMesh = Type.HalfEdgeTriangleMesh¶

Image = Type.Image¶

LineSet = Type.LineSet¶

PointCloud = Type.PointCloud¶

RGBDImage = Type.RGBDImage¶

TetraMesh = Type.TetraMesh¶

TriangleMesh = Type.TriangleMesh¶

Unspecified = Type.Unspecified¶

VoxelGrid = Type.VoxelGrid¶

property colors¶

RGB colors of lines.

Type: float64 array of shape (num_lines, 3), range [0, 1] , use numpy.asarray() to access data

property lines¶

Lines denoted by the index of points forming the line.

Type: int array of shape (num_lines, 2), use numpy.asarray() to access data

property points¶

Points coordinates.

Type: float64 array of shape (num_points, 3), use numpy.asarray() to access data