htm.c File Reference

#include "htm.h"
#include <math.h>
#include <stdio.h>
#include <string.h>

Include dependency graph for htm.c:

Classes
struct	_bases

Macros
#define	HTM_INVALID_ID   1

Functions
uint64	cc_name2ID (const char *name)
int	cc_isinside (double *p, double *v1, double *v2, double *v3)
int	cc_startpane (double *v1, double *v2, double *v3, double xin, double yin, double zin, char *name)
int	cc_parseVectors (char *spec, int *level, double *ra, double *dec)
uint64	cc_vector2ID (double x, double y, double z, int depth)
uint64	cc_radec2ID (double ra, double dec, int depth)
uint64	idByPoint (double x, double y, double z)
int	cc_IDlevel (uint64 htmid)
int	cc_ID2name (char *name, uint64 id)
int	cc_name2Triangle (char *name, double *v0, double *v1, double *v2)

Variables
double	cc_Epsilon = 1.0E-15
double	cc_sqrt3 = 1.7320508075688772935
double	anchor [][3]
struct _bases	bases []
int	S_indexes [][3]
int	N_indexes [][3]
static int	cc_errcode

Macro Definition Documentation

HTM_INVALID_ID

#define HTM_INVALID_ID   1

Function Documentation

cc_ID2name()

int cc_ID2name	(	char *	name,
		uint64	id
	)

cc_IDlevel()

int cc_IDlevel

(

uint64

htmid

)

cc_isinside()

int cc_isinside	(	double *	p,
		double *	v1,
		double *	v2,
		double *	v3
	)

cc_name2ID()

uint64 cc_name2ID

(

const char *

name

)

cc_name2Triangle()

int cc_name2Triangle	(	char *	name,
		double *	v0,
		double *	v1,
		double *	v2
	)

cc_parseVectors()

int cc_parseVectors	(	char *	spec,
		int *	level,
		double *	ra,
		double *	dec
	)

cc_radec2ID()

uint64 cc_radec2ID	(	double	ra,
		double	dec,
		int	depth
	)

cc_startpane()

int cc_startpane	(	double *	v1,
		double *	v2,
		double *	v3,
		double	xin,
		double	yin,
		double	zin,
		char *	name
	)

cc_vector2ID()

uint64 cc_vector2ID	(	double	x,
		double	y,
		double	z,
		int	depth
	)

idByPoint()

uint64 idByPoint	(	double	x,
		double	y,
		double	z
	)

Variable Documentation

anchor

double anchor[][3]

Initial value:

= {
    { 0.0L, 0.0L, 1.0L },  
    { 1.0L, 0.0L, 0.0L },  
    { 0.0L, 1.0L, 0.0L },  
    { -1.0L, 0.0L, 0.0L }, 
    { 0.0L, -1.0L, 0.0L }, 
    { 0.0L, 0.0L, -1.0L }  
}

bases

struct _bases bases[]

Initial value:

= { { "S2", 10, 3, 5, 4 }, { "N1", 13, 4, 0, 3 }, { "S1", 9, 2, 5, 3 }, { "N2", 14, 3, 0, 2 },
              { "S3", 11, 4, 5, 1 }, { "N0", 12, 1, 0, 4 }, { "S0", 8, 1, 5, 2 }, { "N3", 15, 2, 0, 1 } }

cc_Epsilon

double cc_Epsilon = 1.0E-15

cc_errcode

int cc_errcode

static

cc_sqrt3

double cc_sqrt3 = 1.7320508075688772935

N_indexes

int N_indexes[][3]

Initial value:

= {
    { 1, 0, 4 }, 
    { 4, 0, 3 }, 
    { 3, 0, 2 }, 
    { 2, 0, 1 }  
}

S_indexes

int S_indexes[][3]

Initial value:

= {
    { 1, 5, 2 }, 
    { 2, 5, 3 }, 
    { 3, 5, 4 }, 
    { 4, 5, 1 }  
}