ringNum

Find pixel ring numbers

Contents

Syntax

nRing = ringNum(nSide,pix)

Input Arguments

nSide      HEALPix resolution parameter
pix        (optional) MEALPix pixel number array (ring indexing).
           Defaults to all pixels

Return Arguments

nRing      size(pix) array of ring numbers

Description

Algorithm Notes

Example

ringNum(2)
Undefined function or method 'ringNum' for input arguments of type 'double'.

Error in ==> ringNum_help at 20
ringNum(2)

See also

inRing

Requires

pix2vec, z2ring

References

K. M. Gorski et al. 2005. HEALPix: A Framework for High-Resolution Discretization and Fast Analysis of Data Distributed on the Sphere. The Astrophysical Journal 622 759

K. M. Gorski et al. 1999. The HEALPix Primer. arXiv:astro-ph/9905275

K. M. Gorski et al. 2002. HEALPix - a Framework for High Resolution, Fast Analysis on the Sphere. In Astronomical Data Analysis Software and Systems XI, Bohlender, D. A. et al. ed. ASP Conference Series Vol 281, pp. 107-111

Mark R. Calabrettal and Boudewijn F. Roukema. 2007. Mapping on the HEALPix grid. Monthly Notices of the Royal Astronomical Society 381:2 pp. 865 - 872.

W. O'Mullane et al. 2001. Splitting the Sky - HTM and HEALPix. In Mining The Sky. Anthony Banday et al., Ed. Anthony ESO Astrophysics Symposia 2001, 638 - 648.

L. Nicastro and Calderone, G. 2008. Indexing Astronomical Database Tables using HTM and HEALPix. In Astronomical Data Analysis Software and Systems (ADASS) XVII. A. W. Argle et. al, ed. Astronomical Society of the Pacific Conference Series vol. 394 pp. 486-490.

Notices

Copyright 2010-2011 Lee Samuel Finn Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.nSideWarn(nSide,mfilename);