NaMaster
|
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... | |
flouble * | ell_min |
Array of n_ell values containing the lower edges of each of the |k| rings. More... | |
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|.
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
))