uvw_utilities.h File Reference

#include "purify/config.h"
#include "purify/types.h"
#include <fstream>
#include <string>
#include <type_traits>

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Classes
struct	purify::utilities::vis_params

Namespaces
	purify
	purify::utilities

Enumerations
enum class	purify::utilities::vis_source { purify::utilities::measurements , purify::utilities::simulation }
enum class	purify::utilities::vis_units { purify::utilities::lambda , purify::utilities::radians , purify::utilities::pixels }

Functions
template<class T >
T	purify::utilities::calculate_rotated_u (const T &u, const T &v, const T &w, const t_real alpha, const t_real beta, const t_real gamma)
	calculate the rotated u from euler angles in zyz and starting coordinates (u, v, w) More...
template<class T >
T	purify::utilities::calculate_rotated_v (const T &u, const T &v, const T &w, const t_real alpha, const t_real beta, const t_real gamma)
	calculate the rotated v from euler angles in zyz and starting coordinates (u, v, w) More...
template<class T >
T	purify::utilities::calculate_rotated_w (const T &u, const T &v, const T &w, const t_real alpha, const t_real beta, const t_real gamma)
	calculate the rotated w from euler angles in zyz and starting coordinates (u, v, w) More...
utilities::vis_params	purify::utilities::random_sample_density (const t_int vis_num, const t_real mean, const t_real standard_deviation, const t_real rms_w=0)
	Generates a random visibility coverage. More...
Matrix< t_real >	purify::utilities::generate_antennas (const t_uint N, const t_real scale)
	Generate guassianly distributed (sigma = scale) antenna positions. More...
template<class T >
utilities::vis_params	purify::utilities::antenna_to_coverage (const t_uint N, const t_real scale, const T &frequency)
utilities::vis_params	purify::utilities::antenna_to_coverage (const t_uint N)
	Using guassianly distributed (sigma = pi) antenna positions generate a coverage. More...
utilities::vis_params	purify::utilities::antenna_to_coverage (const Matrix< t_real > &B, const t_real frequency, const std::vector< t_real > &times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
	Provided antenna positions generate a coverage for a fixed frequency for mulitple times. More...
utilities::vis_params	purify::utilities::antenna_to_coverage (const Matrix< t_real > &B, const t_real frequency, const t_real times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
	Provided antenna positions generate a coverage for a fixed frequency a fixed time. More...
utilities::vis_params	purify::utilities::antenna_to_coverage (const Matrix< t_real > &B, const std::vector< t_real > &frequencies, const t_real times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
	Provided antenna positions generate a coverage for multiple frequency a fixed time. More...
utilities::vis_params	purify::utilities::antenna_to_coverage (const Matrix< t_real > &B, const std::vector< t_real > &frequencies, const std::vector< t_real > times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
template<class F >
utilities::vis_params	purify::utilities::antenna_to_coverage_general (const Matrix< t_real > &B, const std::vector< t_real > &frequencies, const std::vector< t_real > &times, const F &position_angle_RA_function, const F &position_angle_DEC_function, const t_real latitude)
template<class T , class K >
utilities::vis_params	purify::utilities::antenna_to_coverage (const Vector< t_real > &x, const Vector< t_real > &y, const Vector< t_real > &z, const T &frequencies, const K &times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
	Provided antenna positions generate a coverage. More...
Matrix< t_real >	purify::utilities::read_ant_positions (const std::string &pos_name)
	Read in a text file of antenna positions into a matrix [x, y ,z]. More...
template<class T , class K >
utilities::vis_params	purify::utilities::read_ant_positions_to_coverage (const std::string &pos_name, const T &frequencies, const K &times, const t_real theta_ra, const t_real phi_dec, const t_real latitude)
t_real	purify::utilities::streamtoreal (std::ifstream &stream)
	Reading reals from visibility file (including nan's and inf's) More...
utilities::vis_params	purify::utilities::read_visibility_csv (const std::string &vis_name, const bool w_term=false)
	Reads in visibility csv file. More...
utilities::vis_params	purify::utilities::read_visibility (const std::string &vis_name, const bool w_term=false)
	Reads in visibility file. More...
utilities::vis_params	purify::utilities::read_visibility (const std::vector< std::string > &names, const bool w_term=false)
	Read visibility files from name of vector. More...
utilities::vis_params	purify::utilities::read_visibility (const std::string &vis_name2, const utilities::vis_params &u1)
	Reads in two visibility files. More...
void	purify::utilities::write_visibility (const utilities::vis_params &uv_vis, const std::string &file_name, const bool w_term=false)
	Writes visibilities to txt. More...
utilities::vis_params	purify::utilities::set_cell_size (const utilities::vis_params &uv_vis, const t_real &cell_size_u=0, const t_real &cell_size_v=0)
	Scales visibilities to a given pixel size in arcseconds. More...
utilities::vis_params	purify::utilities::set_cell_size (const utilities::vis_params &uv_vis, const t_real &max_u, const t_real &max_v, const t_real &input_cell_size_u, const t_real &input_cell_size_v)
utilities::vis_params	purify::utilities::convert_to_pixels (const utilities::vis_params &uv_vis, const t_real cell_x, const t_real cell_y, const t_real imsizex, const t_real imsizey, const t_real oversample_ratio)
	Converts u and v coordaintes to units of pixels. More...
utilities::vis_params	purify::utilities::uv_scale (const utilities::vis_params &uv_vis, const t_int &ftsizeu, const t_int &ftsizev)
	scales the visibilities to units of pixels More...
utilities::vis_params	purify::utilities::conjugate_w (const utilities::vis_params &uv_vis)
	reflects visibilities into the w >= 0 domain More...