NaMaster
Data Fields
nmt_flatsky_info Struct Reference

Flat-sky information. More...

#include <namaster.h>

Data Fields

int nx
 Number of grid points in the x dimension. More...
 
int ny
 Number of grid points in the y dimension. More...
 
long npix
 Total number of pixels (given by nx * ny. More...
 
flouble lx
 Length of the x dimension (in steradians) More...
 
flouble ly
 Length of the y dimension (in steradians) More...
 
flouble pixsize
 Pixel area (given by lx * ly / ( nx * ny)) More...
 
int n_ell
 Number of |k|-values for Fourier-space sampling. More...
 
flouble dell
 Width of the Fourier-space rings. This is found as min(2 π / lx,2 π / ly). More...
 
flouble i_dell
 1 / dell More...
 
floubleell_min
 Array of n_ell values containing the lower edges of each of the |k| rings. More...
 

Detailed Description

Flat-sky information.

This structure contains all the information defining a given rectangular flat-sky patch. The structure also contains information about the optimal way of sampling the Fourier version of this patch into rings of |k|.

Field Documentation

flouble nmt_flatsky_info::dell

Width of the Fourier-space rings. This is found as min(2 π / lx,2 π / ly).

flouble* nmt_flatsky_info::ell_min

Array of n_ell values containing the lower edges of each of the |k| rings.

flouble nmt_flatsky_info::i_dell

1 / dell

flouble nmt_flatsky_info::lx

Length of the x dimension (in steradians)

flouble nmt_flatsky_info::ly

Length of the y dimension (in steradians)

int nmt_flatsky_info::n_ell

Number of |k|-values for Fourier-space sampling.

long nmt_flatsky_info::npix

Total number of pixels (given by nx * ny.

int nmt_flatsky_info::nx

Number of grid points in the x dimension.

int nmt_flatsky_info::ny

Number of grid points in the y dimension.

flouble nmt_flatsky_info::pixsize

Pixel area (given by lx * ly / ( nx * ny))


The documentation for this struct was generated from the following file: