HealPix projection class implementation. More...

#include <cmath>
#include "GException.hpp"
#include "GTools.hpp"
#include "GMath.hpp"
#include "GVector.hpp"
#include "GSkyDirs.hpp"
#include "GHealpix.hpp"

Macros
#define	G_CONSTRUCT "GHealpix::GHealpix(int& ,std::string& ,std::string&)"

#define	G_READ "GHealpix::read(GFitsHDU&)"

#define	G_XY2DIR "GHealpix::xy2dir(GSkyPixel&)"

#define	G_DIR2XY2 "GHealpix::dir2xy(GSkyDir&)"

#define	G_NEST2RING "GHealpix::nest2ring(int&)"

#define	G_RING2NEST "GHealpix::ring2nest(int&)"

#define	G_PIX2ANG_RING "GHealpix::pix2ang_ring(int, double, double)"

#define	G_PIX2ANG_NEST "GHealpix::pix2ang_nest(int, double, double)"

#define	G_ORDERING_SET "GHealpix::ordering(std::string&)"

#define	G_INTERPOLATOR "GHealpix::interpolator(double&, double&)"

#define	G_NEIGHBOURS "GHealpix::neighbours(GSkyPixel&)"

#define	G_BOUNDARIES "GHealpix::boundaries(GSkyPixel&, int&)"

Variables
const int	jrll [12] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4}

const int	jpll [12] = {1, 3, 5, 7, 0, 2, 4, 6, 1, 3, 5, 7}

const int	nb_xoffset [] = {-1,-1, 0, 1, 1, 1, 0,-1}

const int	nb_yoffset [] = { 0, 1, 1, 1, 0,-1,-1,-1}

const int	nb_facearray [][12]

const int	nb_swaparray [][3]

const int	order_max = 13

const int	ns_max = 1 << order_max

static short	ctab [0x100]

static short	utab [0x100]

Detailed Description

HealPix projection class implementation.

Author: Juergen Knoedlseder

Definition in file GHealpix.cpp.

Macro Definition Documentation

#define G_BOUNDARIES "GHealpix::boundaries(GSkyPixel&, int&)"

Definition at line 51 of file GHealpix.cpp.

Referenced by GHealpix::boundaries().

#define G_CONSTRUCT "GHealpix::GHealpix(int& ,std::string& ,std::string&)"

Definition at line 40 of file GHealpix.cpp.

Referenced by GHealpix::GHealpix().

#define G_DIR2XY2 "GHealpix::dir2xy(GSkyDir&)"

Definition at line 43 of file GHealpix.cpp.

#define G_INTERPOLATOR "GHealpix::interpolator(double&, double&)"

Definition at line 49 of file GHealpix.cpp.

Referenced by GHealpix::interpolator().

#define G_NEIGHBOURS "GHealpix::neighbours(GSkyPixel&)"

Definition at line 50 of file GHealpix.cpp.

Referenced by GHealpix::neighbours().

#define G_NEST2RING "GHealpix::nest2ring(int&)"

Definition at line 44 of file GHealpix.cpp.

Referenced by GHealpix::nest2ring().

#define G_ORDERING_SET "GHealpix::ordering(std::string&)"

Definition at line 48 of file GHealpix.cpp.

Referenced by GHealpix::ordering().

#define G_PIX2ANG_NEST "GHealpix::pix2ang_nest(int, double*, double*)"

Definition at line 47 of file GHealpix.cpp.

Referenced by GHealpix::pix2ang_nest().

#define G_PIX2ANG_RING "GHealpix::pix2ang_ring(int, double*, double*)"

Definition at line 46 of file GHealpix.cpp.

Referenced by GHealpix::pix2ang_ring().

#define G_READ "GHealpix::read(GFitsHDU&)"

Definition at line 41 of file GHealpix.cpp.

Referenced by GHealpix::read().

#define G_RING2NEST "GHealpix::ring2nest(int&)"

Definition at line 45 of file GHealpix.cpp.

Referenced by GHealpix::ring2nest().

#define G_XY2DIR "GHealpix::xy2dir(GSkyPixel&)"

Definition at line 42 of file GHealpix.cpp.

Referenced by GHealpix::pix2dir().

Variable Documentation

short ctab[0x100]

static

Definition at line 88 of file GHealpix.cpp.

Referenced by GHealpix::compress_bits(), GHealpix::init_members(), and GHealpix::pix2xy().

const int jpll[12] = {1, 3, 5, 7, 0, 2, 4, 6, 1, 3, 5, 7}

Definition at line 63 of file GHealpix.cpp.

Referenced by GHealpix::pix2ang_nest(), GHealpix::ring2xyf(), GHealpix::xyf2loc(), and GHealpix::xyf2ring().

const int jrll[12] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4}

Definition at line 62 of file GHealpix.cpp.

Referenced by GHealpix::pix2ang_nest(), GHealpix::ring2xyf(), GHealpix::xyf2loc(), and GHealpix::xyf2ring().

const int nb_facearray[][12]

Initial value:

= {{  8, 9,10,11,-1,-1,-1,-1,10,11, 8, 9 },  
                                {  5, 6, 7, 4, 8, 9,10,11, 9,10,11, 8 },  
                                { -1,-1,-1,-1, 5, 6, 7, 4,-1,-1,-1,-1 },  
                                {  4, 5, 6, 7,11, 8, 9,10,11, 8, 9,10 },  
                                {  0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11 },  
                                {  1, 2, 3, 0, 0, 1, 2, 3, 5, 6, 7, 4 },  
                                { -1,-1,-1,-1, 7, 4, 5, 6,-1,-1,-1,-1 },  
                                {  3, 0, 1, 2, 3, 0, 1, 2, 4, 5, 6, 7 },  
                                {  2, 3, 0, 1,-1,-1,-1,-1, 0, 1, 2, 3 }}

Definition at line 66 of file GHealpix.cpp.

Referenced by GHealpix::neighbours().

const int nb_swaparray[][3]

Initial value:

= {{ 0,0,3 },   
                                { 0,0,6 },   
                                { 0,0,0 },   
                                { 0,0,5 },   
                                { 0,0,0 },   
                                { 5,0,0 },   
                                { 0,0,0 },   
                                { 6,0,0 },   
                                { 3,0,0 }}

Definition at line 75 of file GHealpix.cpp.

Referenced by GHealpix::neighbours().

const int nb_xoffset[] = {-1,-1, 0, 1, 1, 1, 0,-1}

Definition at line 64 of file GHealpix.cpp.

Referenced by GHealpix::neighbours().

const int nb_yoffset[] = { 0, 1, 1, 1, 0,-1,-1,-1}

Definition at line 65 of file GHealpix.cpp.

Referenced by GHealpix::neighbours().

const int ns_max = 1 << order_max

Definition at line 85 of file GHealpix.cpp.

Referenced by GHealpix::ang2pix_z_phi_nest().

const int order_max = 13