ngcppCog.c File Reference

#include <ngc/core/ngcpp.h>
#include <math.h>

Functions
int	ngcppBgThreshold (float *data, float *bg, int nx, int ny, int nbg, double k1, int nLoop, double k2, double *thrMin, double *sigma, double badPixLevel)
int	ngcppCog (double *cx, double *cy, float *data, int nx, int ny, double thr)
int	ngcppCogX (double *cx, float *data, int nx, int ny, double thr)
int	ngcppCogY (double *cy, float *data, int nx, int ny, double thr)

Detailed Description

Copyright

SPDX-FileCopyrightText: 2026 European Southern Observatory (ESO) SPDX-License-Identifier: LGPL-3.0-only

Function Documentation

ngcppBgThreshold()

int ngcppBgThreshold	(	float *	data,
		float *	bg,
		int	nx,
		int	ny,
		int	nbg,
		double	k1,
		int	nLoop,
		double	k2,
		double *	thrMin,
		double *	sigma,
		double	badPixLevel )

Background threshold estimation (sigma clipping above badPixLevel)

ngcppCog()

int ngcppCog	(	double *	cx,
		double *	cy,
		float *	data,
		int	nx,
		int	ny,
		double	thr )

Center of gravity

ngcppCogX()

int ngcppCogX	(	double *	cx,
		float *	data,
		int	nx,
		int	ny,
		double	thr )

Center of gravity in x-direction

ngcppCogY()

int ngcppCogY	(	double *	cy,
		float *	data,
		int	nx,
		int	ny,
		double	thr )

Center of gravity in y-direction