Last change
on this file since 4034 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
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File size:
999 bytes
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1 | #ifndef HEALPixUtils_SEEN
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2 | #define HEALPixUtils_SEEN
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3 | #include "machdefs.h"
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4 | #include "ndatablock.h"
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5 |
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6 | // utilitaires de pixelisation HEALPix
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7 |
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8 |
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9 | namespace SOPHYA {
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10 |
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11 | // Utility class to compute index to/from angle conversion in HEALPix
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12 | // spherical map pixelisation
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13 |
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14 | class HEALPix {
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15 | public :
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16 | static int_4 nest2ring(int_4 nside,int_4 ipnest) ;
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17 | static int_4 ring2nest(int_4 nside,int_4 ipring) ;
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18 |
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19 | static int_4 ang2pix_ring(int_4 nside,double theta,double phi) ;
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20 | static int_4 ang2pix_nest(int_4 nside,double theta,double phi) ;
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21 | static void pix2ang_ring(int_4 nside,int_4 ipix,double& theta,double& phi) ;
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22 | static void pix2ang_nest(int_4 nside,int_4 ipix,double& theta,double& phi) ;
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23 |
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24 | static int_4 ResolToSizeIndex(double res);
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25 | static inline int_4 ResolToNSide(double res)
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26 | { return ResolToSizeIndex(res); }
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27 | static double SizeIndexToResol(int_4 m);
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28 | static inline double NSideToResol(int_4 m)
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29 | { return SizeIndexToResol(m); }
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30 | };
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31 |
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32 |
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33 |
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34 | } // Fin du namespace
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35 |
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36 | #endif
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