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HEALPix/C subroutines
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nside2npix
Function to provide the number of pixels
over the full sky corresponding to resolution parameter
.
Location in HEALPix directory tree:
src/C/subs/chealpix.c
FORMAT
long nside2npix(const long nside)
ARGUMENTS
name&dimensionality
kind
in/out
description
nside
long
IN
the
parameter of the map.
nside2npix
long
OUT
returns the number of pixels
of the map
.
EXAMPLE:
npix= nside2npix(256);
Returns the number of
HEALPix
pixels (786432) for the resolution parameter 256.
RELATED ROUTINES
This section lists the routines related to
nside2npix
ang2vec
converts
spherical coordinates into
(
x
,
y
,
z
)
cartesian coordinates.
vec2ang
converts
(
x
,
y
,
z
)
cartesian coordinates into
spherical coordinates.
npix2nside
converts
into number of full sky pixels
.
Previous:
npix2nside
Up:
HEALPix/C subroutines
Next:
pix2xxx, ang2xxx, vec2xxx, nest2ring, ring2nest
Top:
Main Page
Version 3.30, 2015-10-08