wide_field_utilities.cc File Reference

#include "purify/wide_field_utilities.h"
#include "purify/utilities.h"

Include dependency graph for wide_field_utilities.cc:

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Namespaces
	purify
	purify::widefield

Functions
t_int	purify::widefield::w_support (const t_real w, const t_real du, const t_int min, const t_int max)
	estimate support size of w given u resolution du More...
t_real	purify::widefield::pixel_to_lambda (const t_real cell, const t_uint imsize, const t_real oversample_ratio)
	return factors to convert between arcsecond pixel size image space and lambda for uv space More...
t_real	purify::widefield::estimate_cell_size (const t_real max_u, const t_uint imsize, const t_real oversample_ratio)
	return cell size from the bandwidth More...
t_real	purify::widefield::fov_cosine (t_real const cell, t_uint const imsize)
	Work out max L and M directional cosines from image parameters. More...
t_real	purify::widefield::equivalent_miriad_cell_size (const t_real cell, const t_uint imsize, const t_real oversample_ratio)
	for a given purify cell size in arcsec provide the equivalent miriad cell size in arcsec More...
Matrix< t_complex >	purify::widefield::generate_chirp (const t_real w_rate, const t_real cell_x, const t_real cell_y, const t_uint x_size, const t_uint y_size)
	Generates image of chirp. More...
Matrix< t_complex >	purify::widefield::estimate_sample_density (const Vector< t_real > &u, const Vector< t_real > &v, const t_real cellx, const t_real celly, const t_uint imsizex, const t_uint imsizey, const t_real oversample_ratio, const t_real scale)
	estimate sample desity grid for a given field of view More...
Vector< t_complex >	purify::widefield::sample_density_weights (const Vector< t_real > &u, const Vector< t_real > &v, const t_real cellx, const t_real celly, const t_uint imsizex, const t_uint imsizey, const t_real oversample_ratio, const t_real scale)
	create sample density weights for a given field of view, uniform weighting More...