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Simple structure to hold a centroid, covarince and the number of points in a leaf. More...

#include <pcl/filters/voxel_grid_covariance.h>

Public Member Functions

Leaf ()
Constructor. More...
Eigen::Matrix3d getCov () const
Get the voxel covariance. More...
Eigen::Matrix3d getInverseCov () const
Get the inverse of the voxel covariance. More...
Eigen::Vector3d getMean () const
Get the voxel centroid. More...
Eigen::Matrix3d getEvecs () const
Get the eigen vectors of the voxel covariance. More...
Eigen::Vector3d getEvals () const
Get the eigen values of the voxel covariance. More...
int getPointCount () const
Get the number of points contained by this voxel. More...

Public Attributes

int nr_points
Number of points contained by voxel. More...
Eigen::Vector3d mean_
3D voxel centroid More...
Eigen::VectorXf centroid
Nd voxel centroid. More...
Eigen::Matrix3d cov_
Voxel covariance matrix. More...
Eigen::Matrix3d icov_
Inverse of voxel covariance matrix. More...
Eigen::Matrix3d evecs_
Eigen vectors of voxel covariance matrix. More...
Eigen::Vector3d evals_
Eigen values of voxel covariance matrix. More...

Detailed Description

template<typename PointT>
struct pcl::VoxelGridCovariance< PointT >::Leaf

Simple structure to hold a centroid, covarince and the number of points in a leaf.

Inverse covariance, eigen vectors and engen values are precomputed.

Definition at line 91 of file voxel_grid_covariance.h.

Constructor & Destructor Documentation

Leaf()

template<typename PointT >
pcl::VoxelGridCovariance< PointT >::Leaf::Leaf ( )
inline

Constructor.

Sets nr_points, cov_, icov_, mean_ and evals_ to 0 and evecs_ to the identity matrix

Definition at line 96 of file voxel_grid_covariance.h.

Member Function Documentation

getCov()

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::getCov ( ) const
inline

Get the voxel covariance.

Returns
covariance matrix

Definition at line 110 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::cov_.

getEvals()

template<typename PointT >
Eigen::Vector3d pcl::VoxelGridCovariance< PointT >::Leaf::getEvals ( ) const
inline

Get the eigen values of the voxel covariance.

Note
Order corresponds with getEvecs
Returns
vector of eigen values

Definition at line 148 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::evals_.

getEvecs()

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::getEvecs ( ) const
inline

Get the eigen vectors of the voxel covariance.

Note
Order corresponds with getEvals
Returns
matrix whose columns contain eigen vectors

Definition at line 138 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::evecs_.

getInverseCov()

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::getInverseCov ( ) const
inline

Get the inverse of the voxel covariance.

Returns
inverse covariance matrix

Definition at line 119 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::icov_.

getMean()

template<typename PointT >
Eigen::Vector3d pcl::VoxelGridCovariance< PointT >::Leaf::getMean ( ) const
inline

Get the voxel centroid.

Returns
centroid

Definition at line 128 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::mean_.

getPointCount()

template<typename PointT >
int pcl::VoxelGridCovariance< PointT >::Leaf::getPointCount ( ) const
inline

Get the number of points contained by this voxel.

Returns
number of points

Definition at line 157 of file voxel_grid_covariance.h.

References pcl::VoxelGridCovariance< PointT >::Leaf::nr_points.

Member Data Documentation

centroid

template<typename PointT >
Eigen::VectorXf pcl::VoxelGridCovariance< PointT >::Leaf::centroid

Nd voxel centroid.

Note
Differs from mean_ when color data is used

Definition at line 171 of file voxel_grid_covariance.h.

cov_

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::cov_

Voxel covariance matrix.

Definition at line 174 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getCov().

evals_

template<typename PointT >
Eigen::Vector3d pcl::VoxelGridCovariance< PointT >::Leaf::evals_

Eigen values of voxel covariance matrix.

Definition at line 183 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getEvals().

evecs_

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::evecs_

Eigen vectors of voxel covariance matrix.

Definition at line 180 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getEvecs().

icov_

template<typename PointT >
Eigen::Matrix3d pcl::VoxelGridCovariance< PointT >::Leaf::icov_

Inverse of voxel covariance matrix.

Definition at line 177 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getInverseCov().

mean_

template<typename PointT >
Eigen::Vector3d pcl::VoxelGridCovariance< PointT >::Leaf::mean_

3D voxel centroid

Definition at line 166 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getMean().

nr_points

template<typename PointT >
int pcl::VoxelGridCovariance< PointT >::Leaf::nr_points

Number of points contained by voxel.

Definition at line 163 of file voxel_grid_covariance.h.

Referenced by pcl::VoxelGridCovariance< PointT >::Leaf::getPointCount().

The documentation for this struct was generated from the following file:

© 2009–2012, Willow Garage, Inc.
© 2012–, Open Perception, Inc.
Licensed under the BSD License.
https://pointclouds.org/documentation/structpcl_1_1_voxel_grid_covariance_1_1_leaf.html