AtomProbe::ModifiedFocusSphericProjection Class Reference

#include <projection.h>

Inheritance diagram for AtomProbe::ModifiedFocusSphericProjection:

Collaboration diagram for AtomProbe::ModifiedFocusSphericProjection:

Public Member Functions
	ModifiedFocusSphericProjection (float focus)
	Create a Spheric projection, with a focal point that is moved behind the sphere. More...
void	setFocus (float focus)
	Set the focus position of the sphere. 0= sphere centre, 1=sphere end, >1 is outside sphere. More...
float	etaToTheta (float eta) const
	Convert the spherical angle to an azimuthal angle. See docs/figures for examples. More...
float	thetaToEta (float theta) const
	Convert azimuthal angle to spherical. See etaToTheta for description. More...
virtual bool	toAzimuthal (float fx, float fy, float &theta, float &phi) const
	Convert from plane coordinates to stereographic (NOT SPHERICAL) coords. More...
virtual bool	toPlanar (float theta, float phi, float &fx, float &fy) const
	Convert from stereographic (NOT SPHERICAL) coordinates to plane. More...
virtual void	scaleDown (float flightLength, float detX, float detY, float &scaledX, float &scaledY) const
	Convert from actual detector postion (eg. mm) and flight path to scaled-down transform. More...
virtual void	scaleUp (float flightLength, float scaledX, float scaledY, float &realX, float &realY) const
	Convert from scaled-down to actual dimension. More...
float	getMaxFOV () const
	Obtain angle spherical angle, eta, (i.e. angle from point of sphere, sphere centre and x axis) of the line that is tangent to the sphere. More...
float	getFOVRadius (float eta) const
	Obtain the radius in the XY plane of the sphere-angle (eta) that gives us a given FOV. More...

Detailed Description

Definition at line 117 of file projection.h.

Constructor & Destructor Documentation

ModifiedFocusSphericProjection()

AtomProbe::ModifiedFocusSphericProjection::ModifiedFocusSphericProjection

(

float

focus

)

Create a Spheric projection, with a focal point that is moved behind the sphere.

Definition at line 219 of file projection.cpp.

Member Function Documentation

etaToTheta()

float AtomProbe::ModifiedFocusSphericProjection::etaToTheta

(

float

eta

)

const

Convert the spherical angle to an azimuthal angle. See docs/figures for examples.

Definition at line 233 of file projection.cpp.

References ASSERT, and AtomProbe::SphericProjectionParams::focusDist.

Referenced by main(), and scaleUp().

getFOVRadius()

float AtomProbe::ModifiedFocusSphericProjection::getFOVRadius

(

float

eta

)

const

Obtain the radius in the XY plane of the sphere-angle (eta) that gives us a given FOV.

Definition at line 305 of file projection.cpp.

References AtomProbe::SphericProjectionParams::focusDist, and AtomProbe::SphericProjectionParams::theta.

getMaxFOV()

float AtomProbe::ModifiedFocusSphericProjection::getMaxFOV

(

)

const

Obtain angle spherical angle, eta, (i.e. angle from point of sphere, sphere centre and x axis) of the line that is tangent to the sphere.

Beyond this there is no intersection, and no solution.

Definition at line 287 of file projection.cpp.

References AtomProbe::SphericProjectionParams::focusDist.

Referenced by main(), and scaleUp().

scaleDown()

void AtomProbe::ModifiedFocusSphericProjection::scaleDown ( float  flightLength, float  detX, float  detY, float &  scaledX, float &  scaledY  ) const

virtual

Convert from actual detector postion (eg. mm) and flight path to scaled-down transform.

Implements AtomProbe::SphericPlaneProjection.

Definition at line 356 of file projection.cpp.

References ASSERT, and AtomProbe::SphericProjectionParams::focusDist.

scaleUp()

void AtomProbe::ModifiedFocusSphericProjection::scaleUp ( float  flightLength, float  scaledX, float  scaledY, float &  realX, float &  realY  ) const

virtual

Convert from scaled-down to actual dimension.

Implements AtomProbe::SphericPlaneProjection.

Definition at line 367 of file projection.cpp.

References ASSERT, etaToTheta(), AtomProbe::SphericProjectionParams::focusDist, getMaxFOV(), M_PI, TEST, AtomProbe::SphericProjectionParams::theta, thetaToEta(), AtomProbe::GnomonicProjection::toAzimuthal(), toAzimuthal(), AtomProbe::tolEqual(), and AtomProbe::GnomonicProjection::toPlanar().

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setFocus()

void AtomProbe::ModifiedFocusSphericProjection::setFocus

(

float

focus

)

Set the focus position of the sphere. 0= sphere centre, 1=sphere end, >1 is outside sphere.

Definition at line 224 of file projection.cpp.

References AtomProbe::SphericProjectionParams::focusDist.

thetaToEta()

float AtomProbe::ModifiedFocusSphericProjection::thetaToEta ( float  theta ) const

virtual

Convert azimuthal angle to spherical. See etaToTheta for description.

input range is limited to [0,getMaxFOV()]

Implements AtomProbe::SphericPlaneProjection.

Definition at line 242 of file projection.cpp.

References AtomProbe::SphericProjectionParams::focusDist, M_PI, AtomProbe::SphericProjectionEqn(), and AtomProbe::SphericProjectionParams::theta.

Referenced by scaleUp().

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toAzimuthal()

bool AtomProbe::ModifiedFocusSphericProjection::toAzimuthal ( float  fx, float  fy, float &  theta, float &  phi  ) const

virtual

Convert from plane coordinates to stereographic (NOT SPHERICAL) coords.

Implements AtomProbe::SphericPlaneProjection.

Definition at line 341 of file projection.cpp.

References AtomProbe::SphericProjectionParams::focusDist.

Referenced by scaleUp().

toPlanar()

bool AtomProbe::ModifiedFocusSphericProjection::toPlanar ( float  theta, float  phi, float &  fx, float &  fy  ) const

virtual

Convert from stereographic (NOT SPHERICAL) coordinates to plane.

Implements AtomProbe::SphericPlaneProjection.

Definition at line 327 of file projection.cpp.

Referenced by main().

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The documentation for this class was generated from the following files:

• include/atomprobe/projection/projection.h
• src/projection/projection.cpp