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calcpa.c
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calcpa.c
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// hoe : Subaru HDS OPE file Editor
// calcpa.c : Calculate Objects' Position & Plot
// 2018.02.14 A.Tajitsu
#include"main.h"
#include"calcpa.h"
////////////////////// Global Args //////////////////////
extern gboolean flagChildDialog;
extern gboolean flagSkymon;
extern gboolean flagPlot;
extern gboolean flagFC;
extern gboolean flagPlan;
extern gboolean flagPAM;
extern gboolean flagService;
extern gboolean flag_getFCDB;
extern gboolean flag_getDSS;
extern gboolean flag_make_obj_tree;
extern gboolean flag_make_line_tree;
extern gboolean flag_make_etc_tree;
extern gboolean flag_nodraw;
extern int debug_flg;
#ifndef USE_WIN32
extern pid_t fc_pid;
#endif
extern pid_t fcdb_pid;
extern pid_t stddb_pid;
void set_plot_e_date(typHOE *hg){
gchar *tmp;
if(!flagPlot) return;
tmp=g_strdup_printf("%s %d, %d",
cal_month[hg->fr_month-1],
hg->fr_day,
hg->fr_year);
gtk_entry_set_text(GTK_ENTRY(hg->plot_e_date),tmp);
g_free(tmp);
}
void select_plot_calendar (GtkWidget *widget, gpointer gdata){
typHOE *hg=(typHOE *)gdata;
gtk_calendar_get_date(GTK_CALENDAR(widget),
&hg->fr_year,
&hg->fr_month,
&hg->fr_day);
hg->fr_month++;
hg->skymon_year = hg->fr_year;
hg->skymon_month= hg->fr_month;
hg->skymon_day = hg->fr_day;
set_skymon_e_date(hg);
set_fr_e_date(hg);
set_plot_e_date(hg);
if(flagSkymon){
if(hg->skymon_mode==SKYMON_SET){
calcpa2_skymon(hg);
draw_skymon_cairo(hg->skymon_dw,hg);
}
}
if(flagPlot){
draw_plot_cairo(hg->plot_dw,hg);
}
gtk_main_quit();
}
void popup_plot_calendar (GtkWidget *widget, gpointer gdata)
{
GtkWidget *dialog, *calendar;
GtkAllocation *allocation=g_new(GtkAllocation, 1);
gint root_x, root_y;
typHOE *hg=(typHOE *)gdata;
gtk_widget_get_allocation(widget,allocation);
dialog = gtk_dialog_new();
gtk_window_set_transient_for(GTK_WINDOW(dialog),GTK_WINDOW(hg->plot_main));
gtk_window_set_modal(GTK_WINDOW(dialog),TRUE);
gtk_window_get_position(GTK_WINDOW(hg->plot_main),&root_x,&root_y);
my_signal_connect(dialog,"delete-event",delete_main_quit,NULL);
gtk_window_set_decorated(GTK_WINDOW(dialog), FALSE);
calendar=gtk_calendar_new();
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
calendar,FALSE, FALSE, 0);
gtk_calendar_select_month(GTK_CALENDAR(calendar),
hg->fr_month-1,
hg->fr_year);
gtk_calendar_select_day(GTK_CALENDAR(calendar),
hg->fr_day);
my_signal_connect(calendar,
"day-selected-double-click",
select_plot_calendar,
(gpointer)hg);
gtk_window_set_keep_above(GTK_WINDOW(dialog),TRUE);
gtk_window_move(GTK_WINDOW(dialog),
root_x+allocation->x,
root_y+allocation->y);
g_free(allocation);
gtk_widget_show_all(dialog);
gtk_main();
gtk_widget_destroy(dialog);
}
// Function for calculation of atmospheric dispersion
double adrad(double zrad, double wlnm,double h,double t,double p,double f){
double wlinv, c, en0m1, r0, r1;
wlinv=1./wlnm;
c=2371.34 + 683939.7/(130.0-wlinv*wlinv)+4547.3/(38.9-wlinv*wlinv);
en0m1=1.0E-8*c*(p/t)*(1.0+p*(57.9E-8 - 9.325E-4/t+0.25844/(t*t)))
*(1-0.16*f/p);
r0=en0m1*(1-h);
r1=0.5*en0m1*en0m1-en0m1*h;
return(r0*tan(zrad) + r1*(tan(zrad)*tan(zrad)*tan(zrad)));
}
double new_tu(int iyear, int month, int iday){
time_t t, t2000;
struct tm tmpt,tmpt2000;
gdouble itu;
tmpt2000.tm_year=2000-1900;
tmpt2000.tm_mon=0;
tmpt2000.tm_mday=1;
tmpt2000.tm_hour=0;
tmpt2000.tm_min=0;
tmpt2000.tm_sec=0;
t2000=mktime(&tmpt2000);
tmpt.tm_year=iyear-1900;
tmpt.tm_mon=month-1;
//tmpt.tm_mday=iday-1;
tmpt.tm_mday=iday;
tmpt.tm_hour=0;
tmpt.tm_min=0;
tmpt.tm_sec=0;
t=mktime(&tmpt);
itu=(t-t2000)/60./60./24./36525.;
return(itu);
}
void calc_moon_plan(typHOE *hg){
/* for Moon */
double JD,JD_end;
struct ln_lnlat_posn observer;
struct ln_equ_posn equ, sequ;
struct ln_hms hms;
struct ln_dms dms;
struct ln_zonedate local_date;
struct ln_rst_time rst;
struct ln_zonedate set,rise;
struct ln_hrz_posn hrz;
gdouble d_t,d_ss;
gint d_mm;
gint i_pp;
/* observers location (Subaru), used to calc rst */
observer.lat = hg->obs_latitude;
observer.lng = hg->obs_longitude;
local_date.years=hg->fr_year;
local_date.months=hg->fr_month;
local_date.days=hg->fr_day;
local_date.hours=hg->atw18.s_set.hours;
local_date.minutes=hg->atw18.s_set.minutes;
local_date.seconds=0.;
local_date.gmtoff=(long)(hg->obs_timezone*60);
//local_date.gmtoff=(long)(+10);
JD = ln_get_julian_local_date(&local_date);
local_date.years=hg->fr_year;
local_date.months=hg->fr_month;
local_date.days=hg->fr_day+1;
local_date.hours=hg->atw18.s_rise.hours;
local_date.minutes=hg->atw18.s_rise.minutes;
local_date.seconds=0.;
JD_end = ln_get_julian_local_date(&local_date);
i_pp=0;
do{
/* Lunar RA, DEC */
ln_get_lunar_equ_coords (JD, &equ);
ln_deg_to_hms(equ.ra, &hms);
ln_deg_to_dms(equ.dec, &dms);
hg->moon.p_ra[i_pp]=hms;
hg->moon.p_dec[i_pp]=dms;
ln_get_hrz_from_equ (&equ, &observer, JD, &hrz);
if(hrz.az>180) hrz.az-=360;
hg->moon.p_az[i_pp]=hrz.az;
hg->moon.p_el[i_pp]=hrz.alt;
i_pp++;
JD+=30./60./24.;
} while((JD<JD_end)&&(i_pp<MAX_PP));
hg->i_pp_moon_max=i_pp;
}
typPlanMoon init_typPlanMoon(){
/* for Moon */
typPlanMoon moon;
ln_deg_to_hms(0, &moon.ra);
ln_deg_to_dms(0, &moon.dec);
moon.az=0;
moon.el=0;
moon.disk =0;
moon.phase=0;
moon.limb =0;
moon.age =-1;
moon.sep =-1;
return(moon);
}
typPlanMoon calc_typPlanMoon(typHOE *hg, glong sod, gdouble az, gdouble el){
/* for Moon */
typPlanMoon moon;
double JD;
struct ln_lnlat_posn observer;
struct ln_equ_posn equ;
struct ln_zonedate local_date;
struct ln_hrz_posn hrz;
gdouble d_t,d_ss;
gint d_mm;
gint i_pp;
/* observers location (Subaru), used to calc rst */
observer.lat = hg->obs_latitude;
observer.lng = hg->obs_longitude;
local_date.years=hg->fr_year;
local_date.months=hg->fr_month;
local_date.days=hg->fr_day;
local_date.hours=0;
local_date.minutes=0;
local_date.seconds=1.;
local_date.gmtoff=(long)(hg->obs_timezone*60);
//local_date.gmtoff=(long)(+10);
JD = ln_get_julian_local_date(&local_date);
JD += (gdouble)sod/60./60./24.;
/* Lunar RA, DEC */
ln_get_lunar_equ_coords (JD, &equ);
ln_deg_to_hms(equ.ra, &moon.ra);
ln_deg_to_dms(equ.dec, &moon.dec);
ln_get_hrz_from_equ (&equ, &observer, JD, &hrz);
if(hrz.az>180) hrz.az-=360;
moon.az=hrz.az;
moon.el=hrz.alt;
moon.disk =ln_get_lunar_disk(JD);
moon.phase=ln_get_lunar_phase(JD);
moon.limb =ln_get_lunar_bright_limb(JD);
moon.age =(moon.limb>180) ?
(180-moon.phase)/360.*29.5 : // Jo-gen
moon.phase/360.*29.5 + 29.5/2.; // Ka-gen
if((el>0)&&(moon.el>0)){
moon.sep=deg_sep(az, el, moon.az, moon.el);
}
else{
moon.sep=-1;
}
return(moon);
}
gdouble get_moon_age(gdouble JD){
gdouble phase, limb, age;
phase=ln_get_lunar_phase(JD);
limb =ln_get_lunar_bright_limb(JD);
age =(limb>180) ?
(180-phase)/360.*29.5 : // Jo-gen
phase/360.*29.5 + 29.5/2.; // Ka-gen
return(age);
}
gdouble get_moon_sep(gdouble paz, gdouble pel, gdouble JD_hst){
gint i, i_moon=-1;
gdouble d_jd1, d_jd2, d_jd;
gdouble az_moon, el_moon;
for (i=0;i<i_moon_max-1;i++){
if(jd_moon[i]<JD_hst){
if(JD_hst<jd_moon[i+1]){
i_moon=i;
break;
}
}
}
if(i_moon<=0) return(-1);
if(i_moon>=i_moon_max-1) return(-1);
d_jd1=JD_hst-jd_moon[i_moon];
d_jd2=jd_moon[i_moon+1]-JD_hst;
d_jd=d_jd1+d_jd2;
az_moon=paz_moon[i_moon]*d_jd2/d_jd
+paz_moon[i_moon+1]*d_jd1/d_jd;
el_moon=pel_moon[i_moon]*d_jd2/d_jd
+pel_moon[i_moon+1]*d_jd1/d_jd;
if(el_moon<0) return(-1);
return(deg_sep(paz,pel,az_moon,el_moon));
}
// See http://www.stjarnhimlen.se/comp/ppcomp.html#13
// http://chiron.blog.ocn.ne.jp/astrocal/2012/11/de_e827.html
void calc_moon_topocen(typHOE *hg,
gdouble JD,
struct ln_equ_posn * equ_geoc,
struct ln_equ_posn * equ)
{
gdouble mpar, gclat, rho, HA, g, topRA, topDec, d_moon;
gdouble r_earth=6378.137;
gdouble flst;
gdouble N, e2;
gdouble f=1./298.257222101;
flst = ln_get_mean_sidereal_time(JD) + hg->obs_longitude *24/360;
d_moon=ln_get_lunar_earth_dist(JD); //km
mpar=asin((r_earth+hg->obs_altitude/1000.)/d_moon)*180./M_PI; //degree
gclat=(hg->obs_latitude
- 0.1924*sin(2*hg->obs_latitude*M_PI/180.))*M_PI/180.; //rad
rho =0.99833 + 0.00167 * cos(2*hg->obs_latitude*M_PI/180.)
+ hg->obs_altitude/1000./r_earth; // r_earth
HA = flst - (equ_geoc->ra * 24./360.); // hour
g = atan(tan(gclat) / cos(HA*M_PI/12.)); // rad
equ->ra = equ_geoc->ra - mpar * rho * cos(gclat)
* sin(HA*M_PI/12.) / cos(equ_geoc->dec*M_PI/180.); // degree
if(equ_geoc->dec>89.99){
equ->dec = equ_geoc->dec - mpar * rho * sin(-equ_geoc->dec*M_PI/180.)
*cos(HA*M_PI/12.); // degree
}
else{
equ->dec = equ_geoc->dec - mpar * rho * sin(gclat) *
sin(g-equ_geoc->dec*M_PI/180.) / sin(g); // degree
}
}
void close_plot(GtkWidget *w, gpointer gdata)
{
typHOE *hg;
hg=(typHOE *)gdata;
gtk_widget_destroy(GTK_WIDGET(hg->plot_main));
flagPlot=FALSE;
}
#ifdef USE_GTK3
gboolean draw_plot_cb(GtkWidget *widget,
cairo_t *cr,
gpointer userdata){
typHOE *hg=(typHOE *)userdata;
if(!pixbuf_plot) draw_plot_cairo(widget,hg);
gdk_cairo_set_source_pixbuf(cr, pixbuf_plot, 0, 0);
cairo_paint(cr);
return(TRUE);
}
#else
gboolean expose_plot_cairo(GtkWidget *widget,
GdkEventExpose *event,
gpointer userdata){
typHOE *hg=(typHOE *)userdata;
if(!pixmap_plot) draw_plot_cairo(hg->plot_dw,hg);
{
GtkAllocation *allocation=g_new(GtkAllocation, 1);
GtkStyle *style=gtk_widget_get_style(widget);
gtk_widget_get_allocation(widget,allocation);
gdk_draw_drawable(gtk_widget_get_window(widget),
style->fg_gc[gtk_widget_get_state(widget)],
pixmap_plot,
0,0,0,0,
allocation->width,
allocation->height);
g_free(allocation);
}
return (TRUE);
}
#endif
gboolean configure_plot_cb(GtkWidget *widget,
GdkEventConfigure *event,
gpointer userdata){
typHOE *hg=(typHOE *)userdata;
draw_plot_cairo(widget,hg);
return(TRUE);
}
void do_plot_moon (GtkWidget *w, gpointer gdata)
{
typHOE *hg;
hg=(typHOE *)gdata;
hg->plot_moon=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w));
if(flagPlot){
draw_plot_cairo(hg->plot_dw,hg);
}
}
void do_plot_pam (GtkWidget *w, gpointer gdata)
{
typHOE *hg;
hg=(typHOE *)gdata;
hg->plot_pam=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w));
if(flagPlot){
draw_plot_cairo(hg->plot_dw,hg);
}
}
void cc_get_plot_mode (GtkWidget *widget, gint * gdata)
{
GtkTreeIter iter;
typHOE *hg;
hg=(typHOE *)gdata;
if(gtk_combo_box_get_active_iter(GTK_COMBO_BOX(widget), &iter)){
gint n;
GtkTreeModel *model;
model=gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
gtk_tree_model_get (model, &iter, 1, &n, -1);
hg->plot_mode=n;
refresh_plot(widget, hg);
}
}
void cc_get_plot_all (GtkWidget *widget, gint * gdata)
{
GtkTreeIter iter;
typHOE *hg;
hg=(typHOE *)gdata;
if(gtk_combo_box_get_active_iter(GTK_COMBO_BOX(widget), &iter)){
gint n;
GtkTreeModel *model;
model=gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
gtk_tree_model_get (model, &iter, 1, &n, -1);
hg->plot_all=n;
refresh_plot(widget, hg);
}
}
gdouble set_ul(gdouble lower, gdouble input, gdouble upper){
gdouble step;
step=upper-lower;
if(input<lower){
do{
input+=step;
}while(input<lower);
}
else if(input>=upper){
do{
input-=step;
}while(input>=upper);
}
return input;
}
gdouble hdspa_deg(gdouble phi, gdouble dec, gdouble ha){
gdouble pdeg, zdeg;
pdeg=atan2((tan(phi)*cos(dec)-sin(dec)*cos(ha)),sin(ha))*180./M_PI;
zdeg=acos(sin(phi)*sin(dec)+cos(phi)*cos(dec)*cos(ha))*180./M_PI;
return(set_ul(-180., -(pdeg-zdeg)+HDS_PA_OFFSET, 180.));
}
//////////////////////////////////////////////////////////////////
/////// global functions
//////////////////////////////////////////////////////////////////
void calcpa2_main(typHOE* hg){
double JD, JD_hst;
struct ln_lnlat_posn observer;
struct lnh_equ_posn hobject;
struct ln_equ_posn object;
struct lnh_equ_posn hobject_prec;
struct ln_equ_posn object_prec;
gdouble objd;
struct ln_hrz_posn hrz;
double phi; //latitude [deg]
double sinphi; //=sin(pi*phi/180.0);
double cosphi; //=cos(pi*phi/180.0);
//### constants #####
// for AD
double h=0.00130;
double t=273.0; //[K]
double f=0.0; //[hPa]
//#### input #######
int iyear;
int month;
int iday;
int min,hour;
gdouble sec;
double a0,d0,d0rad;
double ut;
double ut_offset;
double flst, ha;
double el0, az0;
double el0d, d1rad, d1, ume1, den1, ha1rad, ha1;
double delta_a, delta_d, pa, padeg;
double zrad, ad1, ad0, adsec, hst;
double a1;
int i_list;
time_t tt;
struct ln_zonedate zonedate;
struct ln_date date;
gdouble dAz, dEl, dAz1, dAz2;
gint i_min_c_rt=-1;
double ha1rad_1;
phi=hg->obs_latitude; //latitude [deg]
sinphi=sin(M_PI*phi/180.0);
cosphi=cos(M_PI*phi/180.0);
observer.lat = hg->obs_latitude;
observer.lng = hg->obs_longitude;
ln_get_date_from_sys(&date);
ln_date_to_zonedate(&date,&zonedate,(long)hg->obs_timezone*60);
JD = ln_get_julian_local_date(&zonedate);
flst = ln_get_mean_sidereal_time(JD) + hg->obs_longitude *24./360.;
flst=set_ul(0., flst, 24.);
hg->lst_hour=(gint)flst;
hg->lst_min=(gint)((flst-(double)hg->lst_hour)*60.);
hg->lst_sec=((flst-(double)hg->lst_hour-(double)hg->lst_min/60.)*60.*60.);
for(i_list=0;i_list<hg->i_max;i_list++){
if(hg->obj[i_list].i_nst>=0){ //Non-Sidereal
if(hg->nst[hg->obj[i_list].i_nst].eph[0].jd>JD){
hg->obj[i_list].ra=hg->nst[hg->obj[i_list].i_nst].eph[0].ra;
hg->obj[i_list].dec=hg->nst[hg->obj[i_list].i_nst].eph[0].dec;
hg->obj[i_list].equinox=hg->nst[hg->obj[i_list].i_nst].eph[0].equinox;
hg->nst[hg->obj[i_list].i_nst].c_fl=-1;
}
else if(hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].jd<JD){
hg->obj[i_list].ra=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].ra;
hg->obj[i_list].dec=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].dec;
hg->obj[i_list].equinox=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].equinox;
hg->nst[hg->obj[i_list].i_nst].c_fl=1;
}
else{
gint i;
gdouble dJD, dJD1, ra1,ra2,dec1,dec2,dra,ddec;
for(i=0;i<hg->nst[hg->obj[i_list].i_nst].i_max;i++){
if(hg->nst[hg->obj[i_list].i_nst].eph[i].jd>JD){
dJD=hg->nst[hg->obj[i_list].i_nst].eph[i].jd
-hg->nst[hg->obj[i_list].i_nst].eph[i-1].jd;
dJD1=JD-hg->nst[hg->obj[i_list].i_nst].eph[i-1].jd;
ra1=ra_to_deg(hg->nst[hg->obj[i_list].i_nst].eph[i-1].ra);
ra2=ra_to_deg(hg->nst[hg->obj[i_list].i_nst].eph[i].ra);
dec1=dec_to_deg(hg->nst[hg->obj[i_list].i_nst].eph[i-1].dec);
dec2=dec_to_deg(hg->nst[hg->obj[i_list].i_nst].eph[i].dec);
dra=ra2-ra1;
ddec=dec2-dec1;
hg->obj[i_list].ra=deg_to_ra(ra1+dra*dJD1/dJD);
hg->obj[i_list].dec=deg_to_dec(dec1+ddec*dJD1/dJD);
hg->obj[i_list].equinox=hg->nst[hg->obj[i_list].i_nst].eph[i-1].equinox;
hg->nst[hg->obj[i_list].i_nst].c_fl=0;
break;
}
}
}
} // Non-Sidereal
object.ra=ra_to_deg(hg->obj[i_list].ra);
object.dec=dec_to_deg(hg->obj[i_list].dec);
ln_get_equ_prec2 (&object, get_julian_day_of_epoch(hg->obj[i_list].equinox),
JD, &object_prec);
ln_equ_to_hequ (&object_prec, &hobject_prec);
ln_get_hrz_from_equ (&object_prec, &observer, JD, &hrz);
hg->obj[i_list].c_elmax=90.0-(object_prec.dec-hg->obs_latitude);
a0=ln_hms_to_deg(&hobject_prec.ra)/360.*24.; //[hour]
d0rad=ln_dms_to_rad(&hobject_prec.dec);
ha=flst-a0; //hour angle [hour]
ha=set_ul(-12., ha, 12.);
//### 2nd step: (RA,Dec) -> (AZ,EL)
el0=hrz.alt*M_PI/180.;
az0=(180.+hrz.az)*M_PI/180.;
if(az0<0.) az0=az0+2.*M_PI;
if(hrz.alt<0.0){
hg->obj[i_list].c_az=-1;
hg->obj[i_list].c_el=-1;
hg->obj[i_list].c_rt=-1;
hg->obj[i_list].c_ha=-99;
hg->obj[i_list].c_pa=-180;
hg->obj[i_list].c_ad=-1;
hg->obj[i_list].c_vaz=-100;
hg->obj[i_list].c_vpa=-100;
hg->obj[i_list].c_sep=-1;
hg->obj[i_list].c_hpa=0;
hg->obj[i_list].c_vhpa=-100;
}
else{
el0d=el0+M_PI*4./3600./180.;
d1rad=asin(sinphi*sin(el0d)+cosphi*cos(az0)*cos(el0d));
d1=d1rad*180./M_PI;
ume1=-sin(az0)*cos(el0d);
den1=cosphi*sin(el0d)-sinphi*cos(az0)*cos(el0d);
ha1rad=atan2(ume1,den1);
ha1=ha1rad*12./M_PI;
ha1=set_ul(-12., ha1, 12.);
a1=flst-ha1;
a1=set_ul(0., a1, 24.);
//### 4th step: (RA1-RA,Dec1-Dec) => PA
delta_a=(a1-a0)*M_PI/12.; //[rad]
delta_d=d1rad-d0rad; //[rad]
pa=atan2(delta_a,delta_d);
padeg=180.*pa/M_PI;
{
struct ln_hrz_posn hrz_1;
double flst_1, ha_1;
double el0_1, az0_1, el0d_1, d1_1, d1rad_1;
double ume1_1, den1_1;
double ha1_1, a1_1;
double delta_a_1, delta_d_1, pa_1, padeg_1;
flst_1 = ln_get_mean_sidereal_time(JD+1./60./24.)
+ hg->obs_longitude *24/360;
flst_1=set_ul(0., flst_1, 24.);
ln_get_hrz_from_equ (&object_prec, &observer, JD+1./60./24., &hrz_1);
ha_1=flst_1-a0; //hour angle [hour]
ha_1=set_ul(-12., ha_1, 12.);
el0_1=(gdouble)hrz_1.alt*M_PI/180.;
az0_1=(180.+(gdouble)hrz_1.az)*M_PI/180.;
if(az0_1<0.) az0_1=az0_1+2.*M_PI;
el0d_1=el0_1+M_PI*4./3600./180.;
d1rad_1=asin(sinphi*sin(el0d_1)+cosphi*cos(az0_1)*cos(el0d_1));
d1_1=d1rad_1*180./M_PI;
ume1_1=-sin(az0_1)*cos(el0d_1);
den1_1=cosphi*sin(el0d_1)-sinphi*cos(az0_1)*cos(el0d_1);
ha1rad_1=atan2(ume1_1,den1_1);
ha1_1=ha1rad_1*12./M_PI;
ha1_1=set_ul(-12., ha1_1, 12.);
a1_1=flst_1-ha1_1;
a1_1=set_ul(0., a1_1, 24.);
delta_a_1=(a1_1-a0)*M_PI/12.; //[rad]
delta_d_1=d1rad_1-d0rad; //[rad]
pa_1=atan2(delta_a_1,delta_d_1);
padeg_1=180.*pa_1/M_PI;
hg->obj[i_list].c_vaz=hrz_1.az-hrz.az;
hg->obj[i_list].c_vaz=set_ul(-180.,hg->obj[i_list].c_vaz,180.);
hg->obj[i_list].c_vpa=padeg_1-padeg;
hg->obj[i_list].c_vpa=set_ul(-180.,hg->obj[i_list].c_vpa,180.);
}
//### 5th step: Atmospheric Dispersion at 3500A
zrad=M_PI*(90.0-hrz.alt)/180.;
ad1=adrad(zrad,(double)hg->wave1/10000.,h,(double)hg->temp+t,
(double)hg->pres,f); //@3500A default
ad0=adrad(zrad,(double)hg->wave0/10000,h,(double)hg->temp+t,
(double)hg->pres,f); //@5500A default
if(hrz.alt>3){
if(hg->wave1<hg->wave0){
adsec=180.*3600.*(ad1-ad0)/M_PI; //[arcsec]
}
else{
adsec=-180.*3600.*(ad1-ad0)/M_PI; //[arcsec]
}
}
else{
adsec=100;
}
hst=ut+ut_offset;
if(hrz.az>180) hrz.az-=360;
hg->obj[i_list].c_az=hrz.az;
hg->obj[i_list].c_el=hrz.alt;
hg->obj[i_list].c_ha=ha1;
hg->obj[i_list].c_pa=padeg;
hg->obj[i_list].c_ad=adsec;
// HDS PA w/o ImR
hg->obj[i_list].c_hpa=hdspa_deg(phi*M_PI/180.,d0rad,ha1rad);
hg->obj[i_list].c_vhpa=hdspa_deg(phi*M_PI/180.,d0rad,ha1rad_1)
-hg->obj[i_list].c_hpa;
hg->obj[i_list].c_vhpa=set_ul(-180.,hg->obj[i_list].c_vhpa,180.);
#ifdef USE_XMLRPC
if(hg->telstat_flag){
if( hg->obj[i_list].c_el<0 ){
hg->obj[i_list].c_rt=-1;
}
else if( hg->obj[i_list].c_az>90 ){
dAz1 = fabs(hg->stat_az -hg->pa_a0 - hg->obj[i_list].c_az);
dAz2 = fabs(hg->stat_az -hg->pa_a0 - (hg->obj[i_list].c_az-360));
dAz = (dAz1>dAz2) ? dAz2 : dAz1;
}
else if ( hg->obj[i_list].c_az<-90 ){
dAz1 = fabs(hg->stat_az -hg->pa_a0 - hg->obj[i_list].c_az);
dAz2 = fabs(hg->stat_az -hg->pa_a0 - (hg->obj[i_list].c_az+360));
dAz = (dAz1>dAz2) ? dAz2 : dAz1;
}
else{
dAz=fabs(hg->stat_az -hg->pa_a0 - hg->obj[i_list].c_az);
}
dEl=fabs(hg->stat_el -hg->pa_a1 - hg->obj[i_list].c_el);
if( (dAz/hg->vel_az) > (dEl/hg->vel_el) )
hg->obj[i_list].c_rt=dAz/hg->vel_az;
else
hg->obj[i_list].c_rt=dEl/hg->vel_el;
if(i_min_c_rt==-1){
i_min_c_rt=i_list;
}
else if(hg->obj[i_list].c_rt < hg->obj[i_min_c_rt].c_rt){
i_min_c_rt=i_list;
}
}
else{
hg->obj[i_list].c_rt=-1;
}
hg->obj[i_list].check_lock=FALSE;
#endif
}
}
for(i_list=0;i_list<hg->std_i_max;i_list++){
object.ra=ra_to_deg(hg->std[i_list].ra);
object.dec=dec_to_deg(hg->std[i_list].dec);
ln_get_equ_prec2 (&object, get_julian_day_of_epoch(hg->std[i_list].equinox),
JD, &object_prec);
ln_equ_to_hequ (&object_prec, &hobject_prec);
ln_get_hrz_from_equ (&object_prec, &observer, JD, &hrz);
hg->std[i_list].c_elmax=90.0-(object_prec.dec-hg->obs_latitude);
if(hrz.alt<0.0){
hg->std[i_list].c_az=-1;
hg->std[i_list].c_el=-1;
}
else{
if(hrz.az>180) hrz.az-=360;
hg->std[i_list].c_az=hrz.az;
hg->std[i_list].c_el=hrz.alt;
}
}
#ifdef USE_XMLRPC
if(hg->auto_check_lock){
if(hg->telstat_flag){
if(i_min_c_rt!=-1){
if(hg->obj[i_min_c_rt].c_rt<2){
hg->obj[i_min_c_rt].check_lock=TRUE;
}
}
}
}
#endif
calc_moon(hg);
{
hobject.ra=hg->moon.c_ra;
hobject.dec=hg->moon.c_dec;
ln_hequ_to_equ (&hobject, &object);
ln_get_hrz_from_equ (&object, &observer, JD, &hrz);
if(hrz.alt<0.0){
hg->moon.c_az=-1;
hg->moon.c_el=-1;
hg->obj[i_list].c_sep=-1;
}
else{
hg->moon.c_az=hrz.az;
hg->moon.c_el=hrz.alt;
for(i_list=0;i_list<hg->i_max;i_list++){
if(hg->obj[i_list].c_el>0){
hg->obj[i_list].c_sep=deg_sep(hg->obj[i_list].c_az,
hg->obj[i_list].c_el,
hg->moon.c_az,
hg->moon.c_el);
}
else{
hg->obj[i_list].c_sep=-1;
}
}
}
}
{
hobject.ra=hg->sun.c_ra;
hobject.dec=hg->sun.c_dec;
ln_hequ_to_equ (&hobject, &object);
ln_get_hrz_from_equ (&object, &observer, JD, &hrz);
if(hrz.alt<0.0){
hg->sun.c_az=-1;
hg->sun.c_el=-1;
}
else{
hg->sun.c_az=hrz.az;
hg->sun.c_el=hrz.alt;
}
}
objtree_update_radec(hg);
update_c_label(hg);
}
void calcpa2_skymon(typHOE* hg){
double JD;
struct ln_lnlat_posn observer;
struct lnh_equ_posn hobject;
struct ln_equ_posn object;
struct lnh_equ_posn hobject_prec;
struct ln_equ_posn object_prec;
gdouble objd;
struct ln_hrz_posn hrz;
double phi; //latitude [deg]
double sinphi; //=sin(pi*phi/180.0);
double cosphi; //=cos(pi*phi/180.0);
//### constants #####
// for AD
double h=0.00130;
double t=273.0; //[K]
double f=0.0; //[hPa]
//#### input #######
int iyear;
int month;
int iday;
int hour,min;
gdouble sec;
double a0,d0,a0rad,d0rad;
double ut;
double ut_offset;
double flst, ha;
double el0, az0;
double el0d, d1rad, d1, ume1, den1, ha1rad, ha1;
double delta_a, delta_d, pa, padeg;
double zrad, ad1, ad0, adsec, hst;
double a1;
int i_list;
double ha1rad_1;
struct ln_zonedate zonedate;
struct ln_date date;
phi=hg->obs_latitude; //latitude [deg]
sinphi=sin(M_PI*phi/180.0);
cosphi=cos(M_PI*phi/180.0);
observer.lat = hg->obs_latitude;
observer.lng = hg->obs_longitude;
zonedate.years=hg->skymon_year;
zonedate.months=hg->skymon_month;
zonedate.days=hg->skymon_day;
zonedate.hours=hg->skymon_hour;
zonedate.minutes=hg->skymon_min;
zonedate.seconds=0;
zonedate.gmtoff=(long)hg->obs_timezone*60;
JD = ln_get_julian_local_date(&zonedate);
flst = ln_get_mean_sidereal_time(JD) + hg->obs_longitude *24/360;
flst=set_ul(0., flst, 24.);
hg->skymon_lst_hour=(gint)flst;
hg->skymon_lst_min=(gint)((flst-(double)hg->skymon_lst_hour)*60.);
hg->skymon_lst_sec=((flst-(double)hg->skymon_lst_hour-(double)hg->skymon_lst_min/60.)*60.*60.);
for(i_list=0;i_list<hg->i_max;i_list++){
if(hg->obj[i_list].i_nst>=0){ //Non-Sidereal
if(hg->nst[hg->obj[i_list].i_nst].eph[0].jd>JD){
hg->obj[i_list].ra=hg->nst[hg->obj[i_list].i_nst].eph[0].ra;
hg->obj[i_list].dec=hg->nst[hg->obj[i_list].i_nst].eph[0].dec;
hg->obj[i_list].equinox=hg->nst[hg->obj[i_list].i_nst].eph[0].equinox;
hg->nst[hg->obj[i_list].i_nst].s_fl=-1;
}
else if(hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].jd<JD){
hg->obj[i_list].ra=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].ra;
hg->obj[i_list].dec=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].dec;
hg->obj[i_list].equinox=hg->nst[hg->obj[i_list].i_nst].eph[hg->nst[hg->obj[i_list].i_nst].i_max-1].equinox;
hg->nst[hg->obj[i_list].i_nst].s_fl=1;
}
else{
gint i;
gdouble dJD, dJD1, ra1,ra2,dec1,dec2,dra,ddec;
for(i=0;i<hg->nst[hg->obj[i_list].i_nst].i_max;i++){
if(hg->nst[hg->obj[i_list].i_nst].eph[i].jd>JD){
dJD=hg->nst[hg->obj[i_list].i_nst].eph[i].jd
-hg->nst[hg->obj[i_list].i_nst].eph[i-1].jd;