[TLE] New tle api to load TLE files only once
This is a wrapper over the existing code, underlying parsing is not changed.pull/36/head
Martin Herren (HB9FXX)
parent
289eaf14dd
commit
7177ad68bd
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@ -19,8 +19,8 @@ all:
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rffit: rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o
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gfortran -o rffit rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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gfortran -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o
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gfortran -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o $(LFLAGS)
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rfedit: rfedit.o rfio.o rftime.o
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$(CC) -o rfedit rfedit.o rfio.o rftime.o -lm
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@ -31,8 +31,8 @@ rffind: rffind.o rfio.o rftime.o
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rftrack: rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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$(CC) -o rftrack rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o -lm
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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gfortran -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o $(LFLAGS)
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o
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gfortran -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o $(LFLAGS)
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rffft: rffft.o rftime.o
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$(CC) -o rffft rffft.o rftime.o -lfftw3f -lm
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@ -33,8 +33,8 @@ all:
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rffit: rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o
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$(CC) -o rffit rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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$(CC) -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o
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$(CC) -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o $(LFLAGS)
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rfedit: rfedit.o rfio.o rftime.o
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$(CC) -o rfedit rfedit.o rfio.o rftime.o -lm
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@ -45,8 +45,8 @@ rffind: rffind.o rfio.o rftime.o
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rftrack: rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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$(CC) -o rftrack rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o -lm
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o
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$(CC) -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o $(LFLAGS)
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o rftles.o
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$(CC) -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o rftles.o $(LFLAGS)
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rffft: rffft.o rftime.o
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$(CC) -o rffft rffft.o rftime.o -lfftw3f -lm $(LFLAGS)
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12
makefile
12
makefile
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@ -19,11 +19,11 @@ all:
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rffit: rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o
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gfortran -o rffit rffit.o sgdp4.o satutl.o deep.o ferror.o dsmin.o simplex.o versafit.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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gfortran -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o $(LFLAGS)
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rfpng: rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o
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gfortran -o rfpng rfpng.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o rftles.o $(LFLAGS)
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rfdop: rfdop.o rftrace.o rfio.o rftime.o sgdp4.o satutl.o deep.o ferror.o
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$(CC) -o rfdop rfdop.o rftrace.o rfio.o rftime.o sgdp4.o satutl.o deep.o ferror.o -lm
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rfdop: rfdop.o rftrace.o rfio.o rftime.o sgdp4.o satutl.o deep.o ferror.o rftles.o
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$(CC) -o rfdop rfdop.o rftrace.o rfio.o rftime.o sgdp4.o satutl.o deep.o ferror.o rftles.o -lm
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rfedit: rfedit.o rfio.o rftime.o
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$(CC) -o rfedit rfedit.o rfio.o rftime.o -lm
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@ -34,8 +34,8 @@ rffind: rffind.o rfio.o rftime.o
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rftrack: rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o
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$(CC) -o rftrack rftrack.o rfio.o rftime.o rftrace.o sgdp4.o satutl.o deep.o ferror.o -lm
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o
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gfortran -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o $(LFLAGS)
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rfplot: rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o rftles.o
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gfortran -o rfplot rfplot.o rftime.o rfio.o rftrace.o sgdp4.o satutl.o deep.o ferror.o versafit.o dsmin.o simplex.o rftles.o $(LFLAGS)
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rffft: rffft.o rftime.o
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$(CC) -o rffft rffft.o rftime.o -lfftw3f -lm
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@ -0,0 +1,92 @@
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#include "rftles.h"
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#include "satutl.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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tles_t load_tles(char *tlefile) {
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tles_t tles;
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tles.orbits = NULL;
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tles.number_of_elements = 0;
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char filename[1024];
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if (tlefile) {
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strncpy(filename, tlefile, sizeof(filename));
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} else {
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char * env = getenv("ST_TLEDIR");
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if (env == NULL || strlen(env) == 0) {
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env=".";
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}
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sprintf(filename, "%s/bulk.tle", env);
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}
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FILE * file = fopen(filename, "r");
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if (file == NULL) {
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fprintf(stderr, "TLE file %s not found\n", filename);
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return tles;
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}
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size_t linesize = 256;
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char * line = malloc(linesize);
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ssize_t read;
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// Count number of entries
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long num_elements = 0;
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while ((read = getline(&line, &linesize, file)) != -1) {
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if (read > 0 && strncmp(line, "1 ", 2) == 0) {
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num_elements++;
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}
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}
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tles.orbits = (orbit_t *)calloc(num_elements, sizeof(orbit_t));
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// Rewind and parse file
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rewind(file);
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while (read_twoline(file, 0, &(tles.orbits[tles.number_of_elements])) == 0) {
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tles.number_of_elements++;
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}
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free(line);
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fclose(file);
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printf("Loaded %ld orbits\n", tles.number_of_elements);
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return tles;
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}
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void free_tles(tles_t *tles) {
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if (tles) {
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free(tles->orbits);
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tles->number_of_elements = 0;
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}
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}
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orbit_t *get_orbit_by_index(tles_t *tles, long index) {
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if (tles) {
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return &(tles->orbits[index]);
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}
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return NULL;
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}
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orbit_t *get_orbit_by_catalog_id(tles_t *tles, long satno) {
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if (tles) {
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for (long i = 0; i < tles->number_of_elements; i++) {
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if (tles->orbits[i].satno == satno) {
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return &(tles->orbits[i]);
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}
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}
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}
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return NULL;
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}
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@ -0,0 +1,24 @@
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#ifndef _RFTLES_H
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#define _RFTLES_H
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#include "sgdp4h.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct tles {
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long number_of_elements;
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orbit_t *orbits;
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} tles_t;
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tles_t load_tles(char *tlefile);
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void free_tles(tles_t *tles);
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orbit_t *get_orbit_by_index(tles_t *tles, long index);
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orbit_t *get_orbit_by_catalog_id(tles_t *tles, long satno);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RFTLES_H */
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217
rftrace.c
217
rftrace.c
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@ -9,6 +9,9 @@
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#include <sys/time.h>
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#include <time.h>
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#include "rftles.h"
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#define LIM 80
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#define D2R M_PI/180.0
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#define R2D 180.0/M_PI
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@ -41,7 +44,7 @@ double modulo(double x,double y)
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int fgetline(FILE *file,char *s,int lim)
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{
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int c,i=0;
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while (--lim > 0 && (c=fgetc(file)) != EOF && c != '\n')
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s[i++] = c;
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// if (c == '\n')
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@ -88,10 +91,10 @@ void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel
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dtheta=dgmst(mjd)*D2R/86400;
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pos->x=gc*cos(lat*D2R)*cos(theta*D2R)*XKMPER;
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pos->y=gc*cos(lat*D2R)*sin(theta*D2R)*XKMPER;
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pos->y=gc*cos(lat*D2R)*sin(theta*D2R)*XKMPER;
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pos->z=gs*sin(lat*D2R)*XKMPER;
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vel->x=-gc*cos(lat*D2R)*sin(theta*D2R)*XKMPER*dtheta;
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vel->y=gc*cos(lat*D2R)*cos(theta*D2R)*XKMPER*dtheta;
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vel->y=gc*cos(lat*D2R)*cos(theta*D2R)*XKMPER*dtheta;
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vel->z=0.0;
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return;
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@ -103,7 +106,7 @@ void equatorial2horizontal(double mjd,double ra,double de,double lng,double lat,
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double h;
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h=gmst(mjd)+lng-ra;
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*azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(lat*D2R)-tan(de*D2R)*cos(lat*D2R))*R2D,360.0);
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*alt=asin(sin(lat*D2R)*sin(de*D2R)+cos(lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
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@ -148,7 +151,7 @@ struct site get_site(int site_id)
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// Change to km
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alt/=1000.0;
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// Copy site
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if (id==site_id) {
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s.lat=lat;
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@ -171,7 +174,7 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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struct point *p;
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struct site s,sg;
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double *v,*vg;
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orbit_t orb;
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orbit_t *orb;
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xyz_t satpos,satvel;
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FILE *file;
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double dx,dy,dz,dvx,dvy,dvz,r,za;
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@ -204,26 +207,31 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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// Mid point
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imid=t.n/2;
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// Loop over TLEs
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file=fopen(tlefile,"r");
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if (file==NULL) {
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fprintf(stderr,"TLE file %s not found\n",tlefile);
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// Load TLEs
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tles_t twolines = load_tles(tlefile);
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if (twolines.number_of_elements == 0) {
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fprintf(stderr,"TLE file %s not found or empty\n", tlefile);
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return;
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}
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while (read_twoline(file,satno,&orb)==0) {
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for (long elem = 0; elem < twolines.number_of_elements; elem++) {
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// Get TLE
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orb = get_orbit_by_index(&twolines, elem);
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// Initialize
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imode=init_sgdp4(&orb);
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imode=init_sgdp4(orb);
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if (imode==SGDP4_ERROR) {
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printf("Error with %d, skipping\n",orb.satno);
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printf("Error with %d, skipping\n",orb->satno);
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continue;
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}
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}
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// Loop over points
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for (i=0,sum1=0.0,sum2=0.0;i<t.n;i++) {
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// Get satellite position
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satpos_xyz(t.mjd[i]+2400000.5,&satpos,&satvel);
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dx=satpos.x-p[i].obspos.x;
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dx=satpos.x-p[i].obspos.x;
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dy=satpos.y-p[i].obspos.y;
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dz=satpos.z-p[i].obspos.z;
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dvx=satvel.x-p[i].obsvel.x;
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@ -237,7 +245,7 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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de=asin(dz/r)*R2D;
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equatorial2horizontal(t.mjd[i],ra,de,s.lng,s.lat,&azi,&alt);
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}
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dx=satpos.x-p[i].grpos.x;
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dx=satpos.x-p[i].grpos.x;
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dy=satpos.y-p[i].grpos.y;
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dz=satpos.z-p[i].grpos.z;
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dvx=satvel.x-p[i].grvel.x;
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@ -254,7 +262,7 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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freq0=143050000.0;
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// Compute residuals
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for (i=0,rms=0.0;i<t.n;i++)
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for (i=0,rms=0.0;i<t.n;i++)
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rms+=pow(t.freq[i]-(1.0-v[i]/C)*(1.0-vg[i]/C)*freq0,2);
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rms=sqrt(rms/(double) t.n);
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@ -262,18 +270,18 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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for (i=1,mjd0=0.0;i<t.n;i++)
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if (v[i]*v[i-1]<0.0)
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mjd0=t.mjd[i];
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if (mjd0>0.0)
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mjd2nfd(mjd0,nfd);
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else
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strcpy(nfd,"0000-00-00T00:00:00");
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if (rms<1000) {
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if (rms<50.0)
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printf("%05d: %s %8.1f Hz (%.1f,%.1f)\n",orb.satno,nfd,rms,modulo(azi+180.0,360.0),alt);
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// printf("%05d: %s %8.3f MHz %8.3f kHz\n",orb.satno,nfd,1e-6*freq0,1e-3*rms);
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printf("%05d: %s %8.1f Hz (%.1f,%.1f)\n",orb->satno,nfd,rms,modulo(azi+180.0,360.0),alt);
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// printf("%05d: %s %8.3f MHz %8.3f kHz\n",orb->satno,nfd,1e-6*freq0,1e-3*rms);
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if (flag==0 || rms<rmsmin) {
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satnomin=orb.satno;
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satnomin=orb->satno;
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strcpy(nfdmin,nfd);
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freqmin=freq0;
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rmsmin=rms;
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@ -283,7 +291,6 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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}
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}
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}
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fclose(file);
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fclose(stderr);
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if (flag==1) {
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@ -305,6 +312,7 @@ void identify_trace_graves(char *tlefile,struct trace t,int satno,char *freqlist
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}
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// Free
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free_tles(&twolines);
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free(p);
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free(v);
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free(vg);
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|
|
@ -319,7 +327,7 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
struct point *p;
|
||||
struct site s;
|
||||
double *v;
|
||||
orbit_t orb;
|
||||
orbit_t *orb;
|
||||
xyz_t satpos,satvel;
|
||||
FILE *file;
|
||||
double dx,dy,dz,dvx,dvy,dvz,r,za;
|
||||
|
|
@ -329,7 +337,7 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
double rmsmin,freqmin;
|
||||
struct timeval tv;
|
||||
char tbuf[30];
|
||||
|
||||
|
||||
// Reloop stderr
|
||||
if (freopen("/tmp/stderr.txt","w",stderr)==NULL)
|
||||
fprintf(stderr,"Failed to redirect stderr\n");
|
||||
|
|
@ -342,31 +350,36 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
v=(double *) malloc(sizeof(double)*t.n);
|
||||
|
||||
// Get observer position
|
||||
for (i=0;i<t.n;i++)
|
||||
for (i=0;i<t.n;i++)
|
||||
obspos_xyz(t.mjd[i],s.lng,s.lat,s.alt,&p[i].obspos,&p[i].obsvel);
|
||||
|
||||
printf("Fitting trace:\n");
|
||||
|
||||
// Loop over TLEs
|
||||
file=fopen(tlefile,"r");
|
||||
if (file==NULL) {
|
||||
fprintf(stderr,"TLE file %s not found\n",tlefile);
|
||||
// Load TLEs
|
||||
tles_t twolines = load_tles(tlefile);
|
||||
|
||||
if (twolines.number_of_elements == 0) {
|
||||
fprintf(stderr,"TLE file %s not found or empty\n", tlefile);
|
||||
return;
|
||||
}
|
||||
while (read_twoline(file,satno,&orb)==0) {
|
||||
|
||||
for (long elem = 0; elem < twolines.number_of_elements; elem++) {
|
||||
// Get TLE
|
||||
orb = get_orbit_by_index(&twolines, elem);
|
||||
|
||||
// Initialize
|
||||
imode=init_sgdp4(&orb);
|
||||
imode=init_sgdp4(orb);
|
||||
if (imode==SGDP4_ERROR) {
|
||||
printf("Error with %d, skipping\n",orb.satno);
|
||||
printf("Error with %d, skipping\n",orb->satno);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
// Loop over points
|
||||
for (i=0,sum1=0.0,sum2=0.0;i<t.n;i++) {
|
||||
// Get satellite position
|
||||
satpos_xyz(t.mjd[i]+2400000.5,&satpos,&satvel);
|
||||
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
dy=satpos.y-p[i].obspos.y;
|
||||
dz=satpos.z-p[i].obspos.z;
|
||||
dvx=satvel.x-p[i].obsvel.x;
|
||||
|
|
@ -383,7 +396,7 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
freq0=sum1/sum2;
|
||||
|
||||
// Compute residuals
|
||||
for (i=0,rms=0.0;i<t.n;i++)
|
||||
for (i=0,rms=0.0;i<t.n;i++)
|
||||
rms+=pow(t.freq[i]-(1.0-v[i]/C)*freq0,2);
|
||||
rms=sqrt(rms/(double) t.n);
|
||||
|
||||
|
|
@ -391,16 +404,16 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
for (i=1,mjd0=0.0;i<t.n;i++)
|
||||
if (v[i]*v[i-1]<0.0)
|
||||
mjd0=t.mjd[i];
|
||||
|
||||
|
||||
if (mjd0>0.0)
|
||||
mjd2nfd(mjd0,nfd);
|
||||
else
|
||||
strcpy(nfd,"0000-00-00T00:00:00");
|
||||
|
||||
|
||||
if (rms<1000) {
|
||||
printf("%05d: %s %8.3f MHz %8.3f kHz\n",orb.satno,nfd,1e-6*freq0,1e-3*rms);
|
||||
printf("%05d: %s %8.3f MHz %8.3f kHz\n",orb->satno,nfd,1e-6*freq0,1e-3*rms);
|
||||
if (flag==0 || rms<rmsmin) {
|
||||
satnomin=orb.satno;
|
||||
satnomin=orb->satno;
|
||||
strcpy(nfdmin,nfd);
|
||||
freqmin=freq0;
|
||||
rmsmin=rms;
|
||||
|
|
@ -408,7 +421,6 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
}
|
||||
}
|
||||
}
|
||||
fclose(file);
|
||||
fclose(stderr);
|
||||
|
||||
if (flag==1) {
|
||||
|
|
@ -432,6 +444,7 @@ void identify_trace(char *tlefile,struct trace t,int satno,char *freqlist)
|
|||
}
|
||||
|
||||
// Free
|
||||
free_tles(&twolines);
|
||||
free(p);
|
||||
free(v);
|
||||
|
||||
|
|
@ -444,12 +457,12 @@ int is_classified(int satno)
|
|||
int flag=0,no;
|
||||
char *env,tlefile[128],line[LIM];
|
||||
FILE *file;
|
||||
|
||||
|
||||
// Get classfd.tle path
|
||||
env=getenv("ST_TLEDIR");
|
||||
if(env==NULL||strlen(env)==0)
|
||||
env=".";
|
||||
sprintf(tlefile,"%s/classfd.tle",env);
|
||||
sprintf(tlefile,"%s/classfd.tle",env);
|
||||
|
||||
// Does it exist
|
||||
file=fopen(tlefile,"r");
|
||||
|
|
@ -467,7 +480,7 @@ int is_classified(int satno)
|
|||
}
|
||||
fclose(file);
|
||||
}
|
||||
|
||||
|
||||
return flag;
|
||||
}
|
||||
|
||||
|
|
@ -478,7 +491,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
struct point *p;
|
||||
struct site s,sg;
|
||||
FILE *file,*infile;
|
||||
orbit_t orb;
|
||||
orbit_t *orb;
|
||||
xyz_t satpos,satvel;
|
||||
double dx,dy,dz,dvx,dvy,dvz,r,v,za,vg;
|
||||
double freq0;
|
||||
|
|
@ -494,7 +507,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
// Reloop stderr
|
||||
if (freopen("/tmp/stderr.txt","w",stderr)==NULL)
|
||||
fprintf(stderr,"Failed to redirect stderr\n");
|
||||
|
||||
|
||||
// Find number of satellites in frequency range
|
||||
infile=fopen(freqlist,"r");
|
||||
if (infile==NULL) {
|
||||
|
|
@ -503,7 +516,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
return NULL;
|
||||
} else {
|
||||
for (i=0;;) {
|
||||
if (fgetline(infile,line,LIM)<=0)
|
||||
if (fgetline(infile,line,LIM)<=0)
|
||||
break;
|
||||
if (line[0]=='#')
|
||||
continue;
|
||||
|
|
@ -513,7 +526,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
i++;
|
||||
else if (freq0>=fmin && freq0<=fmax && graves==0)
|
||||
i++;
|
||||
|
||||
|
||||
}
|
||||
fclose(infile);
|
||||
*nsat=i;
|
||||
|
|
@ -541,16 +554,24 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
p=(struct point *) malloc(sizeof(struct point)*m);
|
||||
|
||||
// Get observer position
|
||||
for (i=0;i<m;i++)
|
||||
for (i=0;i<m;i++)
|
||||
obspos_xyz(mjd[i],s.lng,s.lat,s.alt,&p[i].obspos,&p[i].obsvel);
|
||||
|
||||
// Compute Graves positions
|
||||
if (graves==1) {
|
||||
sg=get_site(9999);
|
||||
for (i=0;i<m;i++)
|
||||
for (i=0;i<m;i++)
|
||||
obspos_xyz(mjd[i],sg.lng,sg.lat,sg.alt,&p[i].grpos,&p[i].grvel);
|
||||
}
|
||||
|
||||
// Load TLEs
|
||||
tles_t twolines = load_tles(tlefile);
|
||||
|
||||
if (twolines.number_of_elements == 0) {
|
||||
fprintf(stderr,"TLE file %s not found or empty\n", tlefile);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
infile=fopen(freqlist,"r");
|
||||
for (j=0;;) {
|
||||
if (fgetline(infile,line,LIM)<=0)
|
||||
|
|
@ -562,10 +583,10 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
flag=1;
|
||||
else if (freq0>=fmin && freq0<=fmax && graves==0)
|
||||
flag=1;
|
||||
|
||||
|
||||
if (flag==0)
|
||||
continue;
|
||||
|
||||
|
||||
// Allocate
|
||||
t[j].satno=satno;
|
||||
t[j].site=site_id;
|
||||
|
|
@ -576,27 +597,24 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
t[j].za=(float *) malloc(sizeof(float)*m);
|
||||
t[j].classfd=is_classified(t[j].satno);
|
||||
t[j].graves=graves;
|
||||
|
||||
// Loop over TLEs
|
||||
hastle=0;
|
||||
file=fopen(tlefile,"r");
|
||||
while (read_twoline(file,satno,&orb)==0) {
|
||||
if (orb.satno==satno)
|
||||
hastle=1;
|
||||
|
||||
// Get TLE
|
||||
orb = get_orbit_by_catalog_id(&twolines, satno);
|
||||
|
||||
if (orb) {
|
||||
// Initialize
|
||||
imode=init_sgdp4(&orb);
|
||||
imode=init_sgdp4(orb);
|
||||
if (imode==SGDP4_ERROR) {
|
||||
printf("Error with %d, skipping\n",orb.satno);
|
||||
printf("Error with %d, skipping\n",orb->satno);
|
||||
continue;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Loop over points
|
||||
for (i=0,flag=0,tflag=0;i<m;i++) {
|
||||
// Get satellite position
|
||||
satpos_xyz(mjd[i]+2400000.5,&satpos,&satvel);
|
||||
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
dy=satpos.y-p[i].obspos.y;
|
||||
dz=satpos.z-p[i].obspos.z;
|
||||
dvx=satvel.x-p[i].obsvel.x;
|
||||
|
|
@ -605,7 +623,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
r=sqrt(dx*dx+dy*dy+dz*dz);
|
||||
v=(dvx*dx+dvy*dy+dvz*dz)/r;
|
||||
za=acos((p[i].obspos.x*dx+p[i].obspos.y*dy+p[i].obspos.z*dz)/(r*XKMPER))*R2D;
|
||||
|
||||
|
||||
// Store
|
||||
t[j].mjd[i]=mjd[i];
|
||||
t[j].freq[i]=(1.0-v/C)*freq0;
|
||||
|
|
@ -613,7 +631,7 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
|
||||
// Compute Graves velocity/frequency
|
||||
if (graves==1) {
|
||||
dx=satpos.x-p[i].grpos.x;
|
||||
dx=satpos.x-p[i].grpos.x;
|
||||
dy=satpos.y-p[i].grpos.y;
|
||||
dz=satpos.z-p[i].grpos.z;
|
||||
dvx=satvel.x-p[i].grvel.x;
|
||||
|
|
@ -630,22 +648,22 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
|
|||
t[j].za[i]=100.0;
|
||||
}
|
||||
}
|
||||
}
|
||||
fclose(file);
|
||||
|
||||
// Increment
|
||||
if (hastle==1)
|
||||
// Increment
|
||||
j++;
|
||||
}
|
||||
}
|
||||
fclose(infile);
|
||||
fclose(stderr);
|
||||
|
||||
// Free
|
||||
|
||||
free_tles(&twolines);
|
||||
free(p);
|
||||
|
||||
// Update counter
|
||||
*nsat=j;
|
||||
|
||||
|
||||
return t;
|
||||
}
|
||||
|
||||
|
|
@ -655,8 +673,8 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
int i,j,imode,flag,tflag,m,status;
|
||||
struct point *p;
|
||||
struct site s,sg;
|
||||
FILE *file,*outfile;
|
||||
orbit_t orb;
|
||||
FILE *outfile;
|
||||
orbit_t *orb;
|
||||
xyz_t satpos,satvel;
|
||||
double dx,dy,dz,dvx,dvy,dvz,r,v,rg,vg;
|
||||
double freq0;
|
||||
|
|
@ -669,7 +687,7 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
// Reloop stderr
|
||||
if (freopen("/tmp/stderr.txt","w",stderr)==NULL)
|
||||
fprintf(stderr,"Failed to redirect stderr\n");
|
||||
|
||||
|
||||
// Get site
|
||||
s=get_site(site_id);
|
||||
|
||||
|
|
@ -677,13 +695,13 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
p=(struct point *) malloc(sizeof(struct point)*n);
|
||||
|
||||
// Get observer position
|
||||
for (i=0;i<n;i++)
|
||||
for (i=0;i<n;i++)
|
||||
obspos_xyz(mjd[i],s.lng,s.lat,s.alt,&p[i].obspos,&p[i].obsvel);
|
||||
|
||||
// Compute Graves positions
|
||||
if (graves==1) {
|
||||
sg=get_site(9999);
|
||||
for (i=0;i<n;i++)
|
||||
for (i=0;i<n;i++)
|
||||
obspos_xyz(mjd[i],sg.lng,sg.lat,sg.alt,&p[i].grpos,&p[i].grvel);
|
||||
}
|
||||
|
||||
|
|
@ -695,27 +713,32 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
fprintf(outfile, "# satno mjd r v azi alt rg vg azig altg\n");
|
||||
else
|
||||
fprintf(outfile, "# satno mjd r v azi alt\n");
|
||||
|
||||
// Loop over TLEs
|
||||
file=fopen(tlefile,"r");
|
||||
while (read_twoline(file,satno,&orb)==0) {
|
||||
// Initialize
|
||||
imode=init_sgdp4(&orb);
|
||||
if (imode==SGDP4_ERROR) {
|
||||
printf("Error with %d, skipping\n",orb.satno);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Skip high satellites
|
||||
if (skiphigh==1 && orb.rev<10.0)
|
||||
continue;
|
||||
// Load TLEs
|
||||
tles_t twolines = load_tles(tlefile);
|
||||
|
||||
if (twolines.number_of_elements == 0) {
|
||||
fprintf(stderr,"TLE file %s not found or empty\n", tlefile);
|
||||
return;
|
||||
}
|
||||
|
||||
// Get TLE
|
||||
orb = get_orbit_by_catalog_id(&twolines, satno);
|
||||
|
||||
// Skip high satellites
|
||||
if (orb && !(skiphigh == 1 && orb->rev < 10.0)) {
|
||||
// Initialize
|
||||
imode=init_sgdp4(orb);
|
||||
if (imode==SGDP4_ERROR) {
|
||||
printf("Error with %d, skipping\n",orb->satno);
|
||||
}
|
||||
|
||||
// Loop over points
|
||||
for (i=0,flag=0,tflag=0;i<n;i++) {
|
||||
// Get satellite position
|
||||
satpos_xyz(mjd[i]+2400000.5,&satpos,&satvel);
|
||||
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
|
||||
dx=satpos.x-p[i].obspos.x;
|
||||
dy=satpos.y-p[i].obspos.y;
|
||||
dz=satpos.z-p[i].obspos.z;
|
||||
dvx=satvel.x-p[i].obsvel.x;
|
||||
|
|
@ -726,10 +749,10 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
ra=modulo(atan2(dy,dx)*R2D,360.0);
|
||||
de=asin(dz/r)*R2D;
|
||||
equatorial2horizontal(mjd[i],ra,de,s.lng,s.lat,&azi,&alt);
|
||||
|
||||
|
||||
// Compute Graves velocity/frequency
|
||||
if (graves==1) {
|
||||
dx=satpos.x-p[i].grpos.x;
|
||||
dx=satpos.x-p[i].grpos.x;
|
||||
dy=satpos.y-p[i].grpos.y;
|
||||
dz=satpos.z-p[i].grpos.z;
|
||||
dvx=satvel.x-p[i].grvel.x;
|
||||
|
|
@ -740,18 +763,18 @@ void compute_doppler(char *tlefile,double *mjd,int n,int site_id,int satno,int g
|
|||
rag=modulo(atan2(dy,dx)*R2D,360.0);
|
||||
deg=asin(dz/rg)*R2D;
|
||||
equatorial2horizontal(mjd[i],rag,deg,sg.lng,sg.lat,&azig,&altg);
|
||||
fprintf(outfile,"%05d %14.8lf %f %f %f %f %f %f %f %f\n",orb.satno,mjd[i],r,v,azi,alt,rg,vg,azig,altg);
|
||||
fprintf(outfile,"%05d %14.8lf %f %f %f %f %f %f %f %f\n",orb->satno,mjd[i],r,v,azi,alt,rg,vg,azig,altg);
|
||||
} else {
|
||||
fprintf(outfile,"%05d %14.8lf %f %f %f %f\n",orb.satno,mjd[i],r,v,azi,alt);
|
||||
fprintf(outfile,"%05d %14.8lf %f %f %f %f\n",orb->satno,mjd[i],r,v,azi,alt);
|
||||
}
|
||||
}
|
||||
}
|
||||
fclose(file);
|
||||
fclose(outfile);
|
||||
|
||||
fclose(stderr);
|
||||
|
||||
// Free
|
||||
free_tles(&twolines);
|
||||
free(p);
|
||||
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in New Issue