simcalib.cpp File Reference

Functions

void print_usage (OptionParser &flags)
void add_options (OptionParser &flags)
float gauss (const float x, const float mu, const float sigma)
double blackbody (double l, double T)
void wf2xy (float w, float f, float *x2, float *y2)
MArray< float, 2 > mkframe (const MArray< float, 1 > &ww)
void mklinefile (const MArray< float, 1 > &ww, string lineoutfile)
int main (int argc, char *argv[])

Variables

const string version = "$Id: simcalib.cpp 894 2013-11-21 12:15:44Z snigula $"
struct globals g
float fstart
float fstop
float df
float xstop
float xstart
float wlstop
float wlstart
float ystop
float ystart

Function Documentation

void print_usage ( OptionParser & flags )

void add_options ( OptionParser & flags )

References g.

float gauss	(	const float	x,
		const float	mu,
		const float	sigma
	)

2D gaussian MArray<float,2> gauss (MArray<float,2>& x, const float mu, const float sigma) { MArray<float,2> g = 1.f/(sigma*sqrt (2.0f*M_PI))*exp (-pow2 (x-mu)/(2.0f*pow2 (sigma))); return g; }

Referenced by mkframe(), and replace_cosmic().

double blackbody	(	double	l,
		double	T
	)

blackbody spectrum

References c.

Referenced by mkframe().

void wf2xy	(	float	w,
		float	f,
		float *	x2,
		float *	y2
	)

simple model for the distortion transform

References __xsize__, __ysize__, a, b, c, fstart, fstop, g, wlstart, wlstop, xstart, xstop, ystart, and ystop.

Referenced by mkframe(), and mklinefile().

MArray<float,2> mkframe ( const MArray< float, 1 > & ww )

Given a range of wavelengths, place (gaussian) PSFs at each of these wavelenghts in each fiber. With few wavelengths, this generates an "arc frame", and with a densly spaced wavelength grid it generates a continuum "flat field".

References __xsize__, __ysize__, blackbody(), df, fstart, fstop, g, gauss(), and wf2xy().

Referenced by main().