From 4a3aef3f7236d2b3267aead61f11c587c6f4bddb Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Thu, 5 Mar 2015 18:05:27 -0500 Subject: Further improvements --- include/sgp4.h | 62 ---------------------------------------------------------- 1 file changed, 62 deletions(-) delete mode 100644 include/sgp4.h (limited to 'include/sgp4.h') diff --git a/include/sgp4.h b/include/sgp4.h deleted file mode 100644 index 289b969..0000000 --- a/include/sgp4.h +++ /dev/null @@ -1,62 +0,0 @@ -/* H+ - * Title : sgp4.h - * Author : Bryce A. Roberts - * Date : 23 February 1999 - * Synopsis : header file for SGP4 propagation routines - * SCCS : @(#)sgp4.h 1.1 03/04/03 - * Revisions : - * mm/dd/yy name description - * H- - */ - -#ifndef _SGP4_H -#define _SGP4_H - -#include -#include -#include -#include - -#define MJD2000 (51544.0) - -/* the data structure itself */ -struct sgp4_st { - /* NORAD tle components */ - double epochTime, n0, n0dt, n0dt2, bstar, i0, raan, e0, w0, M0; - - /* derived variables */ - double n0dp, a0dp, q0ms4, theta, theta_2, zeta_4, beta0_2, eta, C1, - C1_2, C1_3, C1_4, C3, C4, C5, D2, D3, D4, mdot, wdot, raandot; - }; - -typedef struct sgp4_st * SGP4; - -/* create a new instance of SGP4 */ -extern SGP4 SGP4_create(void); - -/* destroy an instance of SGP4 */ -extern void SGP4_destroy(SGP4 sgp4); - -/* convert NORAD time string to TJD */ -extern int SGP4_getTime(const char *str, double *t); - -/* do time-invariant initializations */ -extern void SGP4_init(SGP4 sgp4); - -/* get a state vector at a point in time */ -extern void SGP4_getStateVector(SGP4 sgp4, double t, double pos[3], - double vel[3]); - -/* finds the pole (orbit plane normal) */ -extern void SGP4_getPole(double pos[3], double vel[3], double pole[3]); - -/* sets the elements of an instance of SGP4 */ -extern void SGP4_set(SGP4 sgp4, double epochTime, double n0dt, double n0dt2, - double bstar, double i0, double raan, double e0, - double w0, double M0, double n0); - -/* precesses a direction vector from t1 to t2 */ -void SGP4_precess(double v[3], double t1, double t2); - - -#endif -- cgit