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ring_num
This function returns the ring number for a z coordinate.
Location in HEALPix directory tree:
src/f90/mod/pix_tools.f90
FORMAT var=ring_num(
nside, z
)
ARGUMENTS
| name&dimensionality |
kind |
in/out |
description |
|---|
| |
|
|
|
|
nside |
I4B |
IN |
the Nside parameter of the map. |
| z |
DP |
IN |
the z coordinate to find the ring number for. |
EXAMPLE:
print*,ring_num(256, 0.5)
Prints the ring number of the ring at position z=0.5.
MODULES & ROUTINESThis section lists the modules and routines used by ring_num.
-
None
RELATED ROUTINESThis section lists the routines related to ring_num
-
in_ring
- Returns the pixels in a slice on a given ring.
Eric Hivon
2010-06-18
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