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npix2nside
Function to provide the resolution parameter
correspoonding to
pixels over the full sky.
Location in HEALPix directory tree:
src/f90/mod/pix_tools.F90
FORMAT
var=
npix2nside
(
npix
)
ARGUMENTS
name & dimensionality
kind
in/out
description
npix
I4B/ I8B
IN
the number
of pixels over the whole sky.
var
I4B
OUT
the parameter
. If
is valid (12 times a power of 2 in
),
is returned; if not, an error message is issued and -1 is returned.
EXAMPLE:
use
healpix_modules
integer(
I4B
) :: nside
nside= npix2nside(786432)
Returns the resolution parameter
(256) corresponding to 786432 pixels on the sky.
RELATED ROUTINES
This section lists the routines related to
npix2nside
nside2npix
returns the number of pixels
correspondinng to resolution parameter
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HEALPix Fortran90 Subroutines Overview
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Version 3.82, 2022-07-28