convert_nest2ring


Routine to convert a HEALPix map from NESTED to RING scheme. This routine is fast, but requires memory to store a temporary map in.


Location in HEALPix directory tree: src/f90/mod/pix_tools.f90


FORMAT

call convert_nest2ring( nside, map )


ARGUMENTS

name&dimensionality kind in/out description
       
nside I4B IN the Nside parameter of the map to be converted.
map(0:12*nside**2-1) SP INOUT map to be converted to RING scheme.


EXAMPLE:

call convert_nest2ring(256,map)

Converts an Nside = 256 map given in array map from NESTED to RING scheme.


MODULES & ROUTINES

This section lists the modules and routines used by convert_nest2ring.

nest2ring
routine to convert a NESTED pixel index to RING pixel number.

RELATED ROUTINES

This section lists the routines related to convert_nest2ring


convert_inplace_real
convert between NESTED and RING schemes inplace. This routine is slower than convert_nest2ring, but doesn't require that much space.

Eric Hivon 2003-02-07