open3d::core::eigen_converter Namespace Reference

Functions
Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor >	TensorToEigenMatrixXd (const core::Tensor &tensor)
	Converts a 2D tensor to Eigen::MatrixXd of same shape. Regardless of the tensor dtype, the output will be converted to double. More...
Eigen::Matrix< float, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor >	TensorToEigenMatrixXf (const core::Tensor &tensor)
	Converts a 2D tensor to Eigen::MatrixXf of same shape. Regardless of the tensor dtype, the output will be converted to float. More...
Eigen::Matrix< int, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor >	TensorToEigenMatrixXi (const core::Tensor &tensor)
	Converts a 2D tensor to Eigen::MatrixXi of same shape. Regardless of the tensor dtype, the output will be converted to int. More...
std::vector< Eigen::Vector2d >	TensorToEigenVector2dVector (const core::Tensor &tensor)
	Converts a tensor of shape (N, 2) to std::vector<Eigen::Vector2d>. An exception will be thrown if the tensor shape is not (N, 2). Regardless of the tensor dtype, the output will be converted to double. More...
std::vector< Eigen::Vector3d >	TensorToEigenVector3dVector (const core::Tensor &tensor)
	Converts a tensor of shape (N, 3) to std::vector<Eigen::Vector3d>. An exception will be thrown if the tensor shape is not (N, 3). Regardless of the tensor dtype, the output will be converted to double. More...
std::vector< Eigen::Vector3i >	TensorToEigenVector3iVector (const core::Tensor &tensor)
	Converts a tensor of shape (N, 3) to std::vector<Eigen::Vector3i>. An exception will be thrown if the tensor shape is not (N, 3). Regardless of the tensor dtype, the output will be converted to int. More...
std::vector< Eigen::Vector2i >	TensorToEigenVector2iVector (const core::Tensor &tensor)
	Converts a tensor of shape (N, 2) to std::vector<Eigen::Vector2i>. An exception will be thrown if the tensor shape is not (N, 2). Regardless of the tensor dtype, the output will be converted to int. More...
core::Tensor	EigenVector3dVectorToTensor (const std::vector< Eigen::Vector3d > &values, core::Dtype dtype, const core::Device &device)
	Converts a vector of Eigen::Vector3d to a (N, 3) tensor. This function also takes care of dtype conversion and device transfer if necessary. More...
core::Tensor	EigenVector2dVectorToTensor (const std::vector< Eigen::Vector2d > &values, core::Dtype dtype, const core::Device &device)
	Converts a vector of Eigen::Vector2d to a (N, 2) tensor. This function also takes care of dtype conversion and device transfer if necessary. More...
core::Tensor	EigenVector3iVectorToTensor (const std::vector< Eigen::Vector3i > &values, core::Dtype dtype, const core::Device &device)
	Converts a vector of Eigen::Vector3i to a (N, 3) tensor. This function also takes care of dtype conversion and device transfer if necessary. More...
core::Tensor	EigenVector2iVectorToTensor (const std::vector< Eigen::Vector2i > &values, core::Dtype dtype, const core::Device &device)
	Converts a vector of Eigen::Vector2i to a (N, 2) tensor. This function also takes care of dtype conversion and device transfer if necessary. More...
template<class Derived >
core::Tensor	EigenMatrixToTensor (const Eigen::MatrixBase< Derived > &matrix)
	Converts a eigen matrix of shape (M, N) with alignment A and type T to a tensor. More...

Function Documentation

EigenMatrixToTensor()

template<class Derived >

core::Tensor open3d::core::eigen_converter::EigenMatrixToTensor

(

const Eigen::MatrixBase< Derived > &

matrix

)

Converts a eigen matrix of shape (M, N) with alignment A and type T to a tensor.

Parameters

matrix

An eigen matrix (e.g. Eigen::Matrix3f) or vector (e.g. Eigen::Vector3d).

Returns

A tensor converted from the eigen matrix. The resuliting tensor is always 2D.

EigenVector2dVectorToTensor()

core::Tensor open3d::core::eigen_converter::EigenVector2dVectorToTensor	(	const std::vector< Eigen::Vector2d > &	values,
		core::Dtype	dtype,
		const core::Device &	device
	)

Converts a vector of Eigen::Vector2d to a (N, 2) tensor. This function also takes care of dtype conversion and device transfer if necessary.

Parameters

values	A vector of Eigen::Vector2d values, e.g. a list of UV coordinates.
dtype	Dtype of the output tensor.
device	Device of the output tensor.

Returns

A tensor of shape (N, 2) with the specified dtype and device.

EigenVector2iVectorToTensor()

core::Tensor open3d::core::eigen_converter::EigenVector2iVectorToTensor	(	const std::vector< Eigen::Vector2i > &	values,
		core::Dtype	dtype,
		const core::Device &	device
	)

Converts a vector of Eigen::Vector2i to a (N, 2) tensor. This function also takes care of dtype conversion and device transfer if necessary.

Parameters

values	A vector of Eigen::Vector2i values, e.g. a list of 2D points / indices.
dtype	Dtype of the output tensor.
device	Device of the output tensor.

Returns

A tensor of shape (N, 2) with the specified dtype and device.

EigenVector3dVectorToTensor()

core::Tensor open3d::core::eigen_converter::EigenVector3dVectorToTensor	(	const std::vector< Eigen::Vector3d > &	values,
		core::Dtype	dtype,
		const core::Device &	device
	)

Converts a vector of Eigen::Vector3d to a (N, 3) tensor. This function also takes care of dtype conversion and device transfer if necessary.

Parameters

values	A vector of Eigen::Vector3d values, e.g. a list of 3D points.
dtype	Dtype of the output tensor.
device	Device of the output tensor.

Returns

A tensor of shape (N, 3) with the specified dtype and device.

EigenVector3iVectorToTensor()

core::Tensor open3d::core::eigen_converter::EigenVector3iVectorToTensor	(	const std::vector< Eigen::Vector3i > &	values,
		core::Dtype	dtype,
		const core::Device &	device
	)

Converts a vector of Eigen::Vector3i to a (N, 3) tensor. This function also takes care of dtype conversion and device transfer if necessary.

Parameters

values	A vector of Eigen::Vector3i values, e.g. a list of 3D points.
dtype	Dtype of the output tensor.
device	Device of the output tensor.

Returns

A tensor of shape (N, 3) with the specified dtype and device.

TensorToEigenMatrixXd()

Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor > open3d::core::eigen_converter::TensorToEigenMatrixXd

(

const core::Tensor &

tensor

)

Converts a 2D tensor to Eigen::MatrixXd of same shape. Regardless of the tensor dtype, the output will be converted to double.

Parameters

tensor

A 2D tensor.

Returns

Eigen::MatrixXd.

TensorToEigenMatrixXf()

Eigen::Matrix< float, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor > open3d::core::eigen_converter::TensorToEigenMatrixXf

(

const core::Tensor &

tensor

)

Converts a 2D tensor to Eigen::MatrixXf of same shape. Regardless of the tensor dtype, the output will be converted to float.

Parameters

tensor

A 2D tensor.

Returns

Eigen::MatrixXf.

TensorToEigenMatrixXi()

Eigen::Matrix< int, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor > open3d::core::eigen_converter::TensorToEigenMatrixXi

(

const core::Tensor &

tensor

)

Converts a 2D tensor to Eigen::MatrixXi of same shape. Regardless of the tensor dtype, the output will be converted to int.

Parameters

tensor

A 2D tensor.

Returns

Eigen::MatrixXi.

TensorToEigenVector2dVector()

std::vector< Eigen::Vector2d > open3d::core::eigen_converter::TensorToEigenVector2dVector

(

const core::Tensor &

tensor

)

Converts a tensor of shape (N, 2) to std::vector<Eigen::Vector2d>. An exception will be thrown if the tensor shape is not (N, 2). Regardless of the tensor dtype, the output will be converted to double.

Parameters

tensor

A tensor of shape (N, 2).

Returns

A vector of N Eigen::Vector2d values.

TensorToEigenVector2iVector()

std::vector< Eigen::Vector2i > open3d::core::eigen_converter::TensorToEigenVector2iVector

(

const core::Tensor &

tensor

)

Converts a tensor of shape (N, 2) to std::vector<Eigen::Vector2i>. An exception will be thrown if the tensor shape is not (N, 2). Regardless of the tensor dtype, the output will be converted to int.

Parameters

tensor

A tensor of shape (N, 2).

Returns

A vector of N Eigen::Vector2i values.

TensorToEigenVector3dVector()

std::vector< Eigen::Vector3d > open3d::core::eigen_converter::TensorToEigenVector3dVector

(

const core::Tensor &

tensor

)

Converts a tensor of shape (N, 3) to std::vector<Eigen::Vector3d>. An exception will be thrown if the tensor shape is not (N, 3). Regardless of the tensor dtype, the output will be converted to double.

Parameters

tensor

A tensor of shape (N, 3).

Returns

A vector of N Eigen::Vector3d values.

TensorToEigenVector3iVector()

std::vector< Eigen::Vector3i > open3d::core::eigen_converter::TensorToEigenVector3iVector

(

const core::Tensor &

tensor

)

Converts a tensor of shape (N, 3) to std::vector<Eigen::Vector3i>. An exception will be thrown if the tensor shape is not (N, 3). Regardless of the tensor dtype, the output will be converted to int.

Parameters

tensor

A tensor of shape (N, 3).

Returns

A vector of N Eigen::Vector3i values.