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HEALPixUtils.h@ 3689

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Last change on this file since 3689 was 2985, checked in by ansari, 19 years ago

1/ Suite codage HEALPix-NEST , test avec transforme Ylm OK
2/ Petites modifs et corrections diverses (ajout SizeIndex2Resol() par exemple)

Reza 21 Juin 2006

File size: 999 bytes

Rev	Line
[1195]	1	#ifndef HEALPixUtils_SEEN
	2	#define HEALPixUtils_SEEN
	3	#include "machdefs.h"
	4	#include "ndatablock.h"
	5
	6	// utilitaires de pixelisation HEALPix
	7
	8
	9	namespace SOPHYA {
	10
[1196]	11	// Utility class to compute index to/from angle conversion in HEALPix
	12	// spherical map pixelisation
[1195]	13
[1196]	14	class HEALPix {
[1195]	15	public :
[1196]	16	static int_4 nest2ring(int_4 nside,int_4 ipnest) ;
	17	static int_4 ring2nest(int_4 nside,int_4 ipring) ;
[1195]	18
[1196]	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) ;
[2973]	23
	24	static int_4 ResolToSizeIndex(double res);
	25	static inline int_4 ResolToNSide(double res)
	26	{ return ResolToSizeIndex(res); }
[2985]	27	static double SizeIndexToResol(int_4 m);
	28	static inline double NSideToResol(int_4 m)
	29	{ return SizeIndexToResol(m); }
[1195]	30	};
	31
	32
	33
	34	} // Fin du namespace
	35
	36	#endif

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