ObitZernike.h File Reference

ObitZernike utility module definition. More...

#include "Obit.h"

Go to the source code of this file.

Functions
gfloat	ObitZernike (gint n, gfloat x, gfloat y)
	Return Zernike term N for X and Y.
gfloat	ObitZernikeGradX (gint n, gfloat x, gfloat y)
	Return Zernike term N gradient in X for X and Y.
gfloat	ObitZernikeGradY (gint n, gfloat x, gfloat y)
	Return Zernike term N gradient in Y for X and Y.
gfloat	ObitZernikePolar (gint n, gfloat rho, gfloat phi)
	Return Zernike term N for Polar coordinates rho and phi.

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Detailed Description

ObitZernike utility module definition.

This utility package supplies Zernike terms and derivatives. Zernike polynomials are used to describe phase errors across an aperature.

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Function Documentation

gfloat ObitZernike (  gint  n, gfloat  x, gfloat  y )

Return Zernike term N for X and Y. Parameters: N  1-rel term number, between 1 and 18 supported X  "X" rectangular coordinate on unit circle Y  "Y" rectangular coordinate on unit circle Returns: Zernike term

gfloat ObitZernikeGradX (  gint  n, gfloat  x, gfloat  y )

Return Zernike term N gradient in X for X and Y. Parameters: N  1-rel term number, between 1 and 18 supported X  "X" rectangular coordinate on unit circle Y  "Y" rectangular coordinate on unit circle Returns: Zernike term

gfloat ObitZernikeGradY (  gint  n, gfloat  x, gfloat  y )

Return Zernike term N gradient in Y for X and Y. Parameters: N  1-rel term number, between 1 and 18 supported X  "X" rectangular coordinate on unit circle Y  "Y" rectangular coordinate on unit circle Returns: Zernike term

gfloat ObitZernikePolar (  gint  n, gfloat  rho, gfloat  phi )

Return Zernike term N for Polar coordinates rho and phi. Parameters: N  1-rel term number, between 1 and 36 supported rho  radial coordinate on unit circle phi  azimuthal coordinate on unit circle (radian) Returns: Zernike term

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