Convert between undistorted focal plane and ground coordinates. More...

#include <LineScanCameraGroundMap.h>

Public Types
enum	PartialType { WRT_Latitude, WRT_Longitude, WRT_Radius, WRT_MajorAxis, WRT_MinorAxis, WRT_PolarAxis }
	Radius axes types to use when computing partials. More...

Public Member Functions
	LineScanCameraGroundMap (Camera *cam)
	Constructor. More...

virtual	~LineScanCameraGroundMap ()
	Destructor. More...

virtual bool	SetGround (const Latitude &lat, const Longitude &lon)
	Compute undistorted focal plane coordinate from ground position. More...

virtual bool	SetGround (const SurfacePoint &surfacePoint)
	Compute undistorted focal plane coordinate from ground position. More...

virtual bool	SetGround (const SurfacePoint &surfacePoint, const int &approxLine)
	Compute undistorted focal plane coordinate from ground position. More...

virtual bool	SetFocalPlane (const double ux, const double uy, const double uz)
	Compute ground position from focal plane coordinate. More...

virtual bool	GetXY (const SurfacePoint &spoint, double cudx, double cudy)
	Compute undistorted focal plane coordinate from ground position using current Spice from SetImage call. More...

virtual bool	GetXY (const double lat, const double lon, const double radius, double cudx, double cudy)
	Compute undistorted focal plane coordinate from ground position using current Spice from SetImage call. More...

virtual bool	GetdXYdPosition (const SpicePosition::PartialType varType, int coefIndex, double cudx, double cudy)
	Compute derivative w/r to position of focal plane coordinate from ground position using current Spice from SetImage call. More...

virtual bool	GetdXYdOrientation (const SpiceRotation::PartialType varType, int coefIndex, double cudx, double cudy)
	Compute derivative of focal plane coordinate w/r to instrument using current state from SetImage call. More...

virtual bool	GetdXYdTOrientation (const SpiceRotation::PartialType varType, int coefIndex, double cudx, double cudy)
	Compute derivative of focal plane coordinate w/r to target body using current state. More...

virtual bool	GetdXYdPoint (std::vector< double > d_lookB, double cudx, double cudy)
	Compute derivative of focal plane coordinate w/r to ground point using current state. More...

std::vector< double >	PointPartial (SurfacePoint spoint, PartialType wrt)
	Compute derivative with respect to indicated variable of conversion function from lat/lon/rad to rectangular coord. More...

std::vector< double >	EllipsoidPartial (SurfacePoint spoint, PartialType raxis)
	Compute derivative of focal plane coordinate w/r to one of the ellipsoidal radii (a, b, or c) More...

std::vector< double >	MeanRadiusPartial (SurfacePoint spoint, Distance meanRadius)
	Compute derivative of focal plane coordinate w/r to mean of the ellipsoidal radii (a, b, c) More...

double	DQuotient (std::vector< double > &look, std::vector< double > &dlook, int index)
	Convenience method for quotient rule applied to look vector. More...

double	FocalPlaneX () const
	Return undistorted focal plane x. More...

double	FocalPlaneY () const
	Return undistorted focal plane y. More...

Protected Types
enum	FindFocalPlaneStatus { Success, BoundingProblem, Failure }

Protected Member Functions
FindFocalPlaneStatus	FindFocalPlane (const int &approxLine, const SurfacePoint &surfacePoint)

double	FindSpacecraftDistance (int line, const SurfacePoint &surfacePoint)

Protected Attributes
Camera *	p_camera
	Camera. More...

double	p_focalPlaneX
	Camera's x focal plane coordinate. More...

double	p_focalPlaneY
	Camera's y focal plane coordinate. More...

Detailed Description

Convert between undistorted focal plane and ground coordinates.

This class is used to convert between undistorted focal plane coordinates (x/y) in millimeters and ground coordinates lat/lon for line scan cameras.

See Also: Camera

Author: 2005-02-08 Jeff Anderson

Member Enumeration Documentation

enum Isis::LineScanCameraGroundMap::FindFocalPlaneStatus

protected

Enumerator
Success
BoundingProblem
Failure

enum Isis::CameraGroundMap::PartialType

inherited

Radius axes types to use when computing partials.

When computing partials, this enum represents the "with respect to" variable in the computation.

Enumerator
WRT_Latitude
WRT_Longitude
WRT_Radius
WRT_MajorAxis
WRT_MinorAxis
WRT_PolarAxis

Constructor & Destructor Documentation

Isis::LineScanCameraGroundMap::LineScanCameraGroundMap ( Camera * cam )

Constructor.

Parameters

cam	pointer to camera model

Isis::LineScanCameraGroundMap::~LineScanCameraGroundMap ( )

virtual

Destructor.

Member Function Documentation

double Isis::CameraGroundMap::DQuotient	(	std::vector< double > &	look,
		std::vector< double > &	dlook,
		int	index
	)

inherited

Convenience method for quotient rule applied to look vector.

This method will compute the derivative of the following function (coordinate x or y) / (coordinate z)

Parameters

look	look vector in camera frame
dlook	derivative of look vector in camera frame
index	vector value to differentiate

Returns: double derivative Computed derivative

vector< double > Isis::CameraGroundMap::EllipsoidPartial	(	SurfacePoint	spoint,
		PartialType	raxis
	)

inherited

Compute derivative of focal plane coordinate w/r to one of the ellipsoidal radii (a, b, or c)

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to the a (major axis), b (minor axis), or c (polar axis) radius, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

spoint	Surface point whose derivative is to be evalutated
raxis	Radius axis enumerated partial type (definitions in this header)

Exceptions

IException::Programmer "Invalid partial type for this method"

Returns: vector<double> partialDerivative of body-fixed point with respect to selected ellipsoid axis

References _FILEINFO_, Isis::SurfacePoint::GetLatitude(), Isis::SurfacePoint::GetLongitude(), and Isis::Angle::radians().

LineScanCameraGroundMap::FindFocalPlaneStatus Isis::LineScanCameraGroundMap::FindFocalPlane	(	const int &	approxLine,
		const SurfacePoint &	surfacePoint
	)

protected

References Isis::Camera::DetectorMap(), Isis::iTime::Et(), Failure, Isis::Camera::FocalLength(), Isis::CameraGroundMap::p_camera, Isis::CameraGroundMap::p_focalPlaneX, Isis::CameraGroundMap::p_focalPlaneY, Isis::Camera::ParentSamples(), ptXLessThan(), Isis::CameraDetectorMap::SetParent(), Success, and Isis::Spice::time().

Referenced by SetGround().

double Isis::LineScanCameraGroundMap::FindSpacecraftDistance	(	int	line,
		const SurfacePoint &	surfacePoint
	)

protected

References Isis::Camera::DetectorMap(), Isis::CameraGroundMap::p_camera, Isis::Camera::ParentSamples(), Isis::CameraDetectorMap::SetParent(), and Isis::Sensor::SlantDistance().

double Isis::CameraGroundMap::FocalPlaneX ( ) const

inlineinherited

Return undistorted focal plane x.

References Isis::CameraGroundMap::p_focalPlaneX.

double Isis::CameraGroundMap::FocalPlaneY ( ) const

inlineinherited

Return undistorted focal plane y.

References Isis::CameraGroundMap::p_focalPlaneY.

bool Isis::CameraGroundMap::GetdXYdOrientation	(	const SpiceRotation::PartialType	varType,
		int	coefIndex,
		double *	dx,
		double *	dy
	)

virtualinherited

Compute derivative of focal plane coordinate w/r to instrument using current state from SetImage call.

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to the instrument orientation, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

varType[in]	enumerated partial type (definitions in SpicePosition)
coefIndex[in]	coefficient index of fit polynomial
*dx[out]	pointer to partial derivative of undistorted focal plane x
*dy[out]	pointer to partial derivative of undistorted focal plane y

Returns: bool If conversion was successful

References Isis::SpiceRotation::ReferenceVector(), and Isis::SpiceRotation::ToReferencePartial().

bool Isis::CameraGroundMap::GetdXYdPoint	(	std::vector< double >	d_lookB,
		double *	cudx,
		double *	cudy
	)

virtualinherited

Compute derivative of focal plane coordinate w/r to ground point using current state.

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to lat, lon, or radius, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

d_pB	Point vector
*dx[out]	pointer to partial derivative of undistorted focal plane x
*dy[out]	pointer to partial derivative of undistorted focal plane y

Returns: conversion was successful

Reimplemented in Isis::RadarGroundMap.

References Isis::SpiceRotation::J2000Vector(), and Isis::SpiceRotation::ReferenceVector().

bool Isis::CameraGroundMap::GetdXYdPosition	(	const SpicePosition::PartialType	varType,
		int	coefIndex,
		double *	dx,
		double *	dy
	)

virtualinherited

Compute derivative w/r to position of focal plane coordinate from ground position using current Spice from SetImage call.

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to a spacecraft position coordinate, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

varType[in]	enumerated partial type (definitions in SpicePosition)
coefIndex[in]	coefficient index of fit polynomial
*dx[out]	pointer to partial derivative of undistorted focal plane x
*dy[out]	pointer to partial derivative of undistorted focal plane y

Returns: bool If conversion was successful

Reimplemented in Isis::RadarGroundMap.

References Isis::SpicePosition::CoordinatePartial(), and Isis::SpiceRotation::ReferenceVector().

bool Isis::CameraGroundMap::GetdXYdTOrientation	(	const SpiceRotation::PartialType	varType,
		int	coefIndex,
		double *	dx,
		double *	dy
	)

virtualinherited

Compute derivative of focal plane coordinate w/r to target body using current state.

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to the target body orientation, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

varType[in]	enumerated partial type (definitions in SpicePosition)
coefIndex[in]	coefficient index of fit polynomial
*dx[out]	pointer to partial derivative of undistorted focal plane x
*dy[out]	pointer to partial derivative of undistorted focal plane y

Returns: bool If conversion was successful

References Isis::SpiceRotation::ReferenceVector(), and Isis::SpiceRotation::toJ2000Partial().

bool Isis::CameraGroundMap::GetXY	(	const SurfacePoint &	point,
		double *	cudx,
		double *	cudy
	)

virtualinherited

Compute undistorted focal plane coordinate from ground position using current Spice from SetImage call.

This method will compute the undistorted focal plane coordinate for a ground position, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/m_pB/x/y. The class value for m_lookJ is set by this method.

Parameters

point[in]	Surface point (ground position)
cudx[out]	Pointer to computed undistored x focal plane coordinate
cudy[out]	Pointer to computed undistored y focal plane coordinate

Returns: bool If conversion was successful

Reimplemented in Isis::RadarGroundMap.

References Isis::SurfacePoint::GetX(), Isis::SurfacePoint::GetY(), Isis::SurfacePoint::GetZ(), Isis::SpiceRotation::J2000Vector(), Isis::Displacement::kilometers(), Isis::PI(), and Isis::SpiceRotation::ReferenceVector().

Referenced by Isis::ControlPoint::ComputeResiduals(), and Isis::ControlPoint::ComputeResiduals_Millimeters().

bool Isis::CameraGroundMap::GetXY	(	const double	lat,
		const double	lon,
		const double	radius,
		double *	cudx,
		double *	cudy
	)

virtualinherited

Compute undistorted focal plane coordinate from ground position using current Spice from SetImage call.

This method will compute the undistorted focal plane coordinate for a ground position, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/m_pB/x/y. The class value for m_lookJ is set by this method.

Parameters

lat[in]	Latitude in degrees
lon[in]	Longitude in degrees
radius[in]	Radius in meters
cudx[out]	Pointer to computed undistored x focal plane coordinate
cudy[out]	Pointer to computed undistored y focal plane coordinate

Returns: bool If conversion was successful

vector< double > Isis::CameraGroundMap::MeanRadiusPartial	(	SurfacePoint	spoint,
		Distance	meanRadius
	)

inherited

Compute derivative of focal plane coordinate w/r to mean of the ellipsoidal radii (a, b, c)

This method will compute the derivative of the undistorted focal plane coordinate for a ground position with respect to the mean of the a (major axis), b (minor axis), and c (polar axis) radius, using the current Spice settings (time and kernels) without resetting the current point values for lat/lon/radius/x/y.

Parameters

spoint	Surface point whose derivative is to be evalutated
meanRadius	Computed mean of radii

Returns: vector<double> partialDerivative of body-fixed point with respect to mean radius TODO This method assumes the radii of all points in the adjustment have been set identically to the ???

References Isis::SurfacePoint::GetX(), Isis::SurfacePoint::GetY(), Isis::SurfacePoint::GetZ(), Isis::Displacement::kilometers(), and Isis::Distance::kilometers().

vector< double > Isis::CameraGroundMap::PointPartial	(	SurfacePoint	spoint,
		PartialType	wrt
	)

inherited

Compute derivative with respect to indicated variable of conversion function from lat/lon/rad to rectangular coord.

Parameters

spoint	Surface point (ground position)
wrt	take derivative with respect to this value

Returns: vector<double> partialDerivative Computed derivative

References Isis::SurfacePoint::GetLatitude(), Isis::SurfacePoint::GetLocalRadius(), Isis::SurfacePoint::GetLongitude(), Isis::Distance::kilometers(), and Isis::Angle::radians().

bool Isis::CameraGroundMap::SetFocalPlane	(	const double	ux,
		const double	uy,
		const double	uz
	)

virtualinherited

Compute ground position from focal plane coordinate.

This method will compute the ground position given an undistorted focal plane coordinate. Note that the latitude/longitude value can be obtained from the camera pointer passed into the constructor.

Parameters