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[])
{
int imode,satno=0,arg,desigflag=0;
FILE *file;
orbit_t orb;
xyz_t r,v;
char tlefile[LIM],nfd[32];
char line1[80],line2[80],desig[20];
double mjd,epoch,ep_day,bstar;
char *env;
int ep_year;
// Get environment variable
env=getenv("ST_TLEDIR");
sprintf(tlefile,"%s/classfd.tle",env);
// Set date
nfd_now(nfd);
mjd=nfd2mjd(nfd);
// Decode options
while ((arg=getopt(argc,argv,"c:i:t:m:he:d:"))!=-1) {
switch (arg) {
case 't':
strcpy(nfd,optarg);
mjd=nfd2mjd(nfd);
break;
case 'e':
epoch=(double) atof(optarg);
ep_year=(int) floor(epoch/1000.0);
ep_day=epoch-1000*ep_year;
printf("%d %f\n",ep_year,ep_day);
if (ep_year<50)
ep_year+=2000;
else
ep_year+=1900;
mjd=doy2mjd(ep_year,ep_day);
break;
case 'd':
strcpy(desig,optarg);
desigflag=1;
break;
case 'm':
mjd=(double) atof(optarg);
break;
case 'c':
strcpy(tlefile,optarg);
break;
case 'i':
satno=atoi(optarg);
break;
case 'h':
usage();
return 0;
break;
default:
usage();
return 0;
}
}
// Open file
file=fopen(tlefile,"r");
while (read_twoline(file,satno,&orb)==0) {
format_tle(orb,line1,line2);
// printf("Input:\n%s\n%s\n",line1,line2);
if (desigflag==0)
strcpy(desig,orb.desig);
bstar=orb.bstar;
// Propagate
imode=init_sgdp4(&orb);
imode=satpos_xyz(mjd+2400000.5,&r,&v);
// Convert
orb=rv2el(orb.satno,mjd,r,v);
// Copy back
strcpy(orb.desig,desig);
orb.bstar=bstar;
format_tle(orb,line1,line2);
printf("%s\n%s\n",line1,line2);
}
fclose(file);
return 0;
}
