Class LeapData

Defined in File LeapData.h

Inheritance Relationships

Derived Type

public icrar::cuda::HostLeapData (Class HostLeapData)

Class Documentation

class LeapData

container of phaserotation constants and variables for calibrating a single beam. Can be mutated to calibrate for multiple directions.

Subclassed by icrar::cuda::HostLeapData

Public Functions

LeapData(const icrar::MeasurementSet &ms, boost::optional<unsigned int> refAnt = boost::none, double minimumBaselineThreshold = 0.0, bool computeInverse = true, bool useCache = true)

Construct a new LeapData object. SetDirection() must be called after construction.

Parameters:

ms – measurement set to read observations from
refAnt – the reference antenna index, default is the last index
minimumBaselineThreshold – baseline lengths less that the minimum in meters are flagged
computeInverse – whether to compute inverse using cpu inversion
useCache – whether to load Ad matrix from cache

LeapData(const icrar::MeasurementSet &ms, const SphericalDirection &direction, boost::optional<unsigned int> refAnt = boost::none, double minimumBaselineThreshold = 0.0, bool computeInverse = true, bool useCache = true)

Construct a new LeapData object.

Parameters:

ms – measurement set to read observations from
direction – the direction of the beam to calibrate for
refAnt – the reference antenna index, default is the last index
minimumBaselineThreshold – baseline lengths less that the minimum in meters are flagged
useCache – whether to load Ad matrix from cache

const Constants &GetConstants() const

const Eigen::MatrixXd &GetA() const: Matrix of baseline pairs of shape [baselines, stations].

const Eigen::VectorXi &GetI() const: Vector of indexes of the stations that are not flagged in A of shape [baselines].

const Eigen::MatrixXd &GetAd() const: The pseudoinverse of A with shape [stations, baselines].

inline virtual void SetAd(Eigen::MatrixXd &&Ad)

const Eigen::MatrixXd &GetA1() const: Matrix of baselines using the reference antenna of shape [stations+1, stations] where the last row represents the reference antenna.

const Eigen::VectorXi &GetI1() const

Vector of indexes of the stations that are not flagged in A1 of shape [stations].

Returns:: const Eigen::VectorXi&

const Eigen::MatrixXd &GetAd1() const

inline virtual void SetAd1(Eigen::MatrixXd &&ad1)

inline const SphericalDirection &GetDirection() const

inline const Eigen::Matrix3d &GetDD() const

void SetDirection(const SphericalDirection &direction)

void ComputeInverse(): Computes the A and A1 inverse matrices.

void ValidateInverse() const: Output logs on the validity of inverse matrices.

Eigen::Matrix3d GenerateDDMatrix(const SphericalDirection &direction) const

Utility method to generate a direction matrix using the configured zenith direction.

Parameters:: direction –
Returns:: Eigen::Matrix3d

inline const Eigen::VectorXcd &GetAvgData() const

inline Eigen::VectorXcd &GetAvgData()

bool operator==(const LeapData &rhs) const

inline bool operator!=(const LeapData &rhs) const

Protected Attributes

Constants m_constants

double m_minimumBaselineThreshold

bool m_useCache

Eigen::MatrixXd m_A

Eigen::VectorXi m_I

Eigen::MatrixXd m_A1

Eigen::VectorXi m_I1

Eigen::MatrixXd m_Ad: The pseudo-inverse of m_A, late intitialized.

Eigen::MatrixXd m_Ad1

std::vector<icrar::MVuvw> m_UVW

SphericalDirection m_direction

Eigen::Matrix3d m_dd

Eigen::VectorXcd m_avgData

Friends

friend class icrar::cuda::DeviceLeapData

friend class icrar::cuda::ConstantBuffer