int main(int argc,char *argv[])
{
int arg=0,satno=0,header=0,oneline=0,no,name=0,desig=0;
char tlefile[LIM];
char line0[LIM],line1[LIM],line2[LIM],nfd[32];
FILE *file;
orbit_t orb;
float aodp,perigee,apogee,period;
int info=0;
double mjd;
char *env;
env=getenv("ST_TLEDIR");
sprintf(tlefile,"%s/bulk.tle",env);
// Decode options
while ((arg=getopt(argc,argv,"c:i:aH1ftnd"))!=-1) {
switch (arg) {
case 'c':
strcpy(tlefile,optarg);
break;
case '1':
oneline=1;
break;
case 'f':
oneline=2;
break;
case 'n':
name=1;
break;
case 'd':
desig=1;
break;
case 'i':
satno=atoi(optarg);
break;
case 'a':
info=1;
break;
case 'H':
header=1;
break;
case 'h':
usage();
return 0;
break;
default:
usage();
return 0;
}
}
if (oneline==0) {
// Open file
file=fopen(tlefile,"rb");
if (file==NULL)
fatal_error("File open failed for reading \"%s\"",tlefile);
while (fgetline(file,line1,LIM)>0) {
// Find TLE line
if (line1[0]=='1') {
fgetline(file,line2,LIM);
sscanf(line1+2,"%d",&no);
if (satno==0 || satno==no) {
if (name==1 && desig==0)
printf("%s\n",line0);
else if (name==0 && desig==1)
printf("%.8s\n",line1+9);
else
printf("%s\n%s\n%s\n",line0,line1,line2);
}
}
strcpy(line0,line1);
}
/*
// Loop over file
while (fgetline(file,line0,LIM)>0) {
// Read data lines
if (line0[0]!='1' || line0[0]!='2') {
fgetline(file,line1,LIM);
fgetline(file,line2,LIM);
sscanf(line1+2,"%d",&no);
if (satno==0 || satno==no) {
if (name==1 && desig==0)
printf("%s\n",line0);
else if (name==0 && desig==1)
printf("%.8s\n",line1+9);
else
printf("%s\n%s\n%s\n",line0,line1,line2);
}
} else if (line0[0]=='1') {
fgetline(file,line2,LIM);
sscanf(line1+2,"%d",&no);
if (satno==0 || satno==no)
printf("%s\n%s\n",line0,line2);
}
}
*/
fclose(file);
} else if (oneline==1) {
// Open file
file=fopen(tlefile,"rb");
if (file==NULL)
fatal_error("File open failed for reading \"%s\"",tlefile);
if (info==0 && header==1)
printf("SATNO YEAR DOY INCL ASCN ARGP MA ECC MM\n");
if (info==1 && header==1)
printf("SATNO SEMI PERIGEE APOGEE PERIOD ECC\n");
// Loop over file
while (read_twoline(file,satno,&orb)==0) {
orbit(orb,&aodp,&perigee,&apogee,&period);
mjd=doy2mjd(orb.ep_year,orb.ep_day);
mjd2nfd(mjd,nfd);
if (info==0) printf("%05d %10.4lf %8.4f %8.4f %8.4f %8.4f %8.6f %8.5f\n",orb.satno,mjd,DEG(orb.eqinc),DEG(orb.ascn),DEG(orb.argp),DEG(orb.mnan),orb.ecc,orb.rev);
if (info==1) printf("%05d %6.0f x %6.0f x %6.2f %8.2f %8.6f %14.8lf\n",orb.satno,perigee,apogee,DEG(orb.eqinc),period,orb.ecc,mjd);
}
fclose(file);
} else if (oneline==2) {
// Open file
file=fopen(tlefile,"rb");
if (file==NULL)
fatal_error("File open failed for reading \"%s\"",tlefile);
if (info==0 && header==1)
printf("SATNO YEAR DOY INCL ASCN ARGP MA ECC MM\n");
if (info==1 && header==1)
printf("SATNO SEMI PERIGEE APOGEE PERIOD ECC\n");
// Loop over file
while (read_twoline(file,satno,&orb)==0)
print_orb(&orb);
fclose(file);
}
return 0;
}
int main(int argc, char *argv[])
{
orbit_t orb;
xyz_t pos, vel;
double jd, tsince;
long satno=0;
int imode;
char filename[ST_SIZE] = "twoline.txt";
FILE *fp=NULL;
char ctrl_name[ST_SIZE] = "ssd.txt";
long ii,imax=0,iend=0;
/* Data for the prediction type and time period */
double ts = 0.0, delta=0.0; /* Time since TLE epoch to start predictions */
int bad=1;
int c;
time_t tnow;
time(&tnow);
fprintf(stderr, "# Start time = %s", ctime(&tnow));
GETOPT(c, options)
{
case 'c': strncpy(ctrl_name, optarg, ST_SIZE-1); break;
case 'i': strncpy(filename, optarg, ST_SIZE-1); break;
case 's': satno = atol(optarg); break;
case 'v': Verbose = atoi(optarg); break;
default:
fprintf(stderr, usage, argv[0]);
exit(1);
break;
}
if((fp=fopen(ctrl_name, "rb")) != NULL)
{
if(fscanf(fp, " %lf %lf %ld %ld %ld", &ts, &delta, &imax, &iend, &satno) == 5)
{
bad=0;
}
fclose(fp);
}
if(bad)
{
fprintf(stderr, "Failed to read ssd.txt file for 'tstart,delta,imax,isat'\n");
return 1;
}
fp = fopen(filename, "rb");
if(fp == NULL)
{
fatal_error("File open failed for reading \"%s\"", filename);
}
while(read_twoline(fp, satno, &orb) == 0)
{
print_orb(&orb);
Isat = orb.satno;
imode = init_sgdp4(&orb);
switch(imode)
{
case SGDP4_ERROR : printf("# SGDP error\n"); break;
case SGDP4_NOT_INIT : printf("# SGDP not init\n"); break;
case SGDP4_ZERO_ECC : printf("# SGDP zero ecc\n"); break;
case SGDP4_NEAR_SIMP : printf("# SGP4 simple\n"); break;
case SGDP4_NEAR_NORM : printf("# SGP4 normal\n"); break;
case SGDP4_DEEP_NORM : printf("# SDP4 normal\n"); break;
case SGDP4_DEEP_RESN : printf("# SDP4 resonant\n"); break;
case SGDP4_DEEP_SYNC : printf("# SDP4 synchronous\n"); break;
default: printf("# SGDP mode not recognised!\n");
}
if(imode == SGDP4_ERROR) continue;
printf("# Satellite number\n");
printf("%05ld\n", (long)orb.satno);
printf("# Tsince X Y Z Xdot Ydot Zdot\n");
/* Run test like the original SGP doccument */
for(ii=0; ii <= imax; ii++)
{
if(ii != iend)
{
tsince=ts + ii*delta;
}
else
{
tsince=ts + delta;
}
jd = SGDP4_jd0 + tsince / 1440.0;
if(satpos_xyz(jd, &pos, &vel) == SGDP4_ERROR) break;
printf("%12.4f %16.8f %16.8f %16.8f %16.12f %16.12f %16.12f\n",
tsince,
pos.x, pos.y, pos.z,
vel.x, vel.y, vel.z);
}
}
time(&tnow);
fprintf(stderr, "# End time = %s", ctime(&tnow));
exit(0);
return 0;
}