nside2ntemplates
This IDL facility provides the number of template pixels Ntemplates corresponding
to resolution parameter Nside. Each template pixel has a different shape that
can not be matched (by rotation or reflexion) to that of any of the other templates.
Location in HEALPix directory tree: src/idl/toolkit/nside2ntemplates.pro
FORMAT
QUALIFIERS
-
Nside
- HEALPix resolution parameter (scalar integer),
should be a valid Nside (power of 2 in
)
-
Ntemplates
- number of templates
KEYWORDS
-
ERROR=
- error flag, set to 1 on output if Nside is NOT valid, or
stays to 0 otherwise.
DESCRIPTION
nside2ntemplates outputs the number of template pixels
RELATED ROUTINES
This section lists the routines related to nside2ntemplates
-
idl
- version 6.4 or more is necessary to run nside2ntemplates .
-
template_pixel_ring
-
template_pixel_nest
- return the
template pixel associated with any HEALPix pixel
-
same_shape_pixels_ring
-
same_shape_pixels_nest
- return
the ordered list of pixels having the same shape as a given pixel template
EXAMPLE:
Ntemplates will be 16768 the number of template pixels for the HEALPix
resolution parameter 256 and error will be 0
Version 3.30, 2015-10-08