source: Sophya/trunk/SophyaLib/SkyMap/HEALPixUtils.h@ 1220

Last change on this file since 1220 was 1196, checked in by ansari, 25 years ago

Introduction de la classe HEALPix pour accrocher les methodes de
converion angle<>index
rajout en methodes inline static de ces methodes de conversion pour
SphereHEALPix<T>
+ Autre modifs cosmetiques + MAJ Makefile , Reza 21/9/2000
File size: 734 bytes
Line 
1#ifndef HEALPixUtils_SEEN
2#define HEALPixUtils_SEEN
3#include "machdefs.h"
4#include "ndatablock.h"
5
6// utilitaires de pixelisation HEALPix
7
8
9namespace SOPHYA {
10
11 // Utility class to compute index to/from angle conversion in HEALPix
12 // spherical map pixelisation
13
14class HEALPix {
15public :
16 static int_4 nest2ring(int_4 nside,int_4 ipnest) ;
17 static int_4 ring2nest(int_4 nside,int_4 ipring) ;
18
19 static int_4 ang2pix_ring(int_4 nside,double theta,double phi) ;
20 static int_4 ang2pix_nest(int_4 nside,double theta,double phi) ;
21 static void pix2ang_ring(int_4 nside,int_4 ipix,double& theta,double& phi) ;
22 static void pix2ang_nest(int_4 nside,int_4 ipix,double& theta,double& phi) ;
23};
24
25
26
27} // Fin du namespace
28
29#endif
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