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/*------------------------------------------------------------------------------
* rtklib unit test driver : norad two line element function
*-----------------------------------------------------------------------------*/
#include <stdio.h>
#include <assert.h>
#include "../../src/rtklib.h"
#define OUT stdout
/* dump tle ------------------------------------------------------------------*/
static void dumptle(FILE *fp, const tle_t *tle)
{
int i;
for (i=0;i<tle->n;i++) {
fprintf(fp,"(%2d) name = %s\n", i+1,tle->data[i].name );
fprintf(fp,"(%2d) satno= %s\n", i+1,tle->data[i].satno);
fprintf(fp,"(%2d) class= %c\n", i+1,tle->data[i].satclass);
fprintf(fp,"(%2d) desig= %s\n", i+1,tle->data[i].desig);
fprintf(fp,"(%2d) epoch= %s\n", i+1,time_str(tle->data[i].epoch,0));
fprintf(fp,"(%2d) etype= %d\n", i+1,tle->data[i].etype);
fprintf(fp,"(%2d) eleno= %d\n", i+1,tle->data[i].eleno);
fprintf(fp,"(%2d) ndot = %19.12e\n",i+1,tle->data[i].ndot );
fprintf(fp,"(%2d) nddot= %19.12e\n",i+1,tle->data[i].nddot);
fprintf(fp,"(%2d) bstar= %19.12e\n",i+1,tle->data[i].bstar);
fprintf(fp,"(%2d) inc = %19.12e\n",i+1,tle->data[i].inc );
fprintf(fp,"(%2d) OMG = %19.12e\n",i+1,tle->data[i].OMG );
fprintf(fp,"(%2d) ecc = %19.12e\n",i+1,tle->data[i].ecc );
fprintf(fp,"(%2d) omg = %19.12e\n",i+1,tle->data[i].omg );
fprintf(fp,"(%2d) M = %19.12e\n",i+1,tle->data[i].M );
fprintf(fp,"(%2d) n = %19.12e\n",i+1,tle->data[i].n );
fprintf(fp,"(%2d) rev = %d\n", i+1,tle->data[i].rev );
}
}
/* tle_read() ----------------------------------------------------------------*/
static void utest1(void)
{
const char *file1="../data/tle/tle_sgp4.err";
const char *file2="../data/tle/tle_sgp4.txt";
const char *file3="../data/tle/tle_nav.txt";
tle_t tle={0};
int stat;
stat=tle_read(file1,&tle);
assert(!stat);
stat=tle_read(file2,&tle);
assert(stat);
assert(tle.n==1);
stat=tle_read(file3,&tle);
assert(stat);
assert(tle.n==114);
#if 0
dumptle(OUT,&tle);
#endif
fprintf(OUT,"%s utest1 : OK\n",__FILE__);
}
/* tle_pos() -----------------------------------------------------------------*/
static void utest2(void)
{
const char *file2="../data/tle/tle_sgp4.txt";
const double ep0[6]={1980,1,1};
tle_t tle={0};
gtime_t epoch;
double min,rs[6];
int i,stat;
epoch=utc2gpst(timeadd(epoch2time(ep0),274.98708465*86400.0));
stat=tle_read(file2,&tle);
assert(stat);
stat=tle_pos(epoch,"TEST_ERR","","",&tle,NULL,rs);
assert(!stat);
for (i=0;i<5;i++) {
min=360.0*i;
stat=tle_pos(timeadd(epoch,min*60.0),"TEST_SAT","","",&tle,NULL,rs);
assert(stat);
fprintf(OUT,"%4.0f: %14.8f %14.8f %14.8f %11.8f %11.8f %11.8f\n",min,
rs[0]/1e3,rs[1]/1e3,rs[2]/1e3,rs[3]/1e3,rs[4]/1e3,rs[5]/1e3);
}
fprintf(OUT,"%s utest2 : OK\n",__FILE__);
}
/* tle_pos() accuracy --------------------------------------------------------*/
static void utest3(void)
{
const char *file1="../data/tle/brdc3050.12*";
const char *file2="../data/tle/TLE_GNSS_20121101.txt";
const char *file3="../data/tle/igs17127.erp";
const double ep[6]={2012,10,31,0,0,0};
nav_t nav={0};
erp_t erp={0};
tle_t tle={0};
gtime_t time;
char sat[32];
double rs1[6],rs2[6],ds[6],dts[2],var;
int i,j,k,stat,svh;
readrnx(file1,0,"",NULL,&nav,NULL);
assert(nav.n>0);
stat=readerp(file3,&erp);
assert(stat);
stat=tle_read(file2,&tle);
assert(stat);
for (i=0;i<MAXSAT;i++) {
satno2id(i+1,sat);
fprintf(OUT,"SAT=%s\n",sat);
for (j=0;j<96;j++) {
time=timeadd(epoch2time(ep),900.0*j);
if (!satpos(time,time,i+1,EPHOPT_BRDC,&nav,rs1,dts,&var,&svh)) continue;
if (satsys(i+1,NULL)==SYS_QZS) svh&=0xFE;
if (svh) continue;
stat=tle_pos(time,sat,"","",&tle,&erp,rs2);
assert(stat);
for (k=0;k<3;k++) ds[k]=rs2[k]-rs1[k];
fprintf(OUT,"%6.0f %11.3f %11.3f %11.3f %11.3f\n",900.0*j,
ds[0]/1e3,ds[1]/1e3,ds[2]/1e3,norm(ds,3)/1e3);
assert(norm(ds,3)/1e3<300.0);
}
fprintf(OUT,"\n");
}
fprintf(OUT,"%s utest3 : OK\n",__FILE__);
}
/* main ----------------------------------------------------------------------*/
int main(int argc, char **argv)
{
utest1();
utest2();
utest3();
return 0;
}
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