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opt_point.py
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opt_point.py
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import math
import time
import datetime
import controller
import ccd
import signal
import sys
from pyslalib import slalib
class opt_point_controller(object):
#reference : ccd.py, imageppm.cpp, imagepgm.cpp
pointing_list = "/home/amigos/NECST/soft/core/pointing.list"
tai_utc = 36.0 # tai_utc=TAI-UTC 2015 July from ftp://maia.usno.navy.mil/ser7/tai-utc.dat
dut1 = 0.14708
def __init__(self):
self.ctrl = controller.controller()
self.ccd = ccd.ccd_client("172.20.0.12", 8010)
return
def handler(self, num, flame):
print("!!ctrl+C!!")
print("STOP MOVING")
self.ctrl.tracking_end()
sys.exit()
def calc_star_azel(self, ra, dec, mjd):
ra = ra*math.pi/180.
dec = dec*math.pi/180.
ret = slalib.sla_map(ra, dec, 0, 0, 0, 0, 2000, mjd + (self.tai_utc + 32.184)/(24.*3600.))
ret = list(ret)
ret = slalib.sla_aop(ret[0], ret[1], mjd, self.dut1, -67.70308139*math.pi/180, -22.96995611*math.pi/180, 4863.85, 0, 0, 283, 500, 0.1, 0.5, tlr=0.0065)
real_az = ret[0]
real_el = math.pi/2. - ret[1]
real_az = real_az*180./math.pi
real_el = real_el*180./math.pi
return [real_az, real_el]
def create_table(self):
#create target_list
f = open(self.pointing_list)
line = f.readline()
target_list = []
tv = time.time()
mjd2 = tv/24./3600. + 40587.0 # 40587.0 = MJD0
#calculate mjd(now) and mjd(2000)
date = datetime.datetime.today()
ret = slalib.sla_cldj(date.year, date.month, date.day)
mjd = ret[0]
ret = slalib.sla_cldj(2000, 1, 1)
mjd2000 = ret[0]
while line:
list = []
line = line.replace(";", " ")
line = line.split()
#number(FK6)
list.append(line[0])
#ra,dec(degree)
ra = float(line[1])*(360./24.)+float(line[2])*(360./24.)/60.+float(line[3])*(360./24.)/3600.+float(line[4])*(360./24.)/3600.*(mjd - mjd2000)/36525.
if line[5] == "+":
dec = float(line[6])+float(line[7])/60.+float(line[8])/3600.+float(line[9])/3600.*(mjd - mjd2000)/36525.
else:
dec = -(float(line[6])+float(line[7])/60.+float(line[8])/3600.)+float(line[9])/3600.*(mjd - mjd2000)/36525.
list.append(ra)
list.append(dec)
list.append(line[21]) #magnitude
ret = self.calc_star_azel(ra, dec, mjd2)
list.append(ret[0]) #az
#list = [number, ra, dec, magnitude, az]
#print(ret[1])
print(str(ra)+" "+str(dec))
if ret[1] >= 30 and ret[1] <= 80:
print("============")
num = len(target_list)
if num == 0:
target_list.append(list)
elif num == 1:
if target_list[0][4] < list[4]:
target_list.append(list)
else:
target_list.insert(0, list)
else:
for i in range(num):
if target_list[i][4] > list[4]:
target_list.insert(i, list)
break
if i == num-1:
target_list.insert(num, list)
#print(target_list)
line = f.readline()
f.close()
return target_list
def start_observation(self):
signal.signal(signal.SIGINT, self.handler)
table = self.create_table()
num = len(table)
self.ctrl.dome_track()
print(table)
date = datetime.datetime.today()
month = str("{0:02d}".format(date.month))
day = str("{0:02d}".format(date.day))
hour = str("{0:02d}".format(date.hour))
minute = str("{0:02d}".format(date.minute))
second = str("{0:02d}".format(date.second))
data_name = "opt_"+str(date.year)+month+day+hour+minute+second
for _tbl in table:
tv = time.time()
mjd2 = tv/24./3600. + 40587.0 # 40587.0 = MJD0
#calculate Az and El for check
ret = self.calc_star_azel(_tbl[1], _tbl[2], mjd2)
real_el = ret[1]
if real_el >= 30. and real_el <= 80.:
self.ctrl.radec_move(_tbl[1], _tbl[2], "J2000", 0, 0, hosei = 'hosei_opt.txt', offcoord = 'HORIZONTAL', lamda = 0.5)
print(_tbl[1], _tbl[2])
print(ret)
#track_flag = ["TRUE", "TRUE"] #for test
track_flag = [False, False, False]
#wait track
while all(track_flag) == False:
time.sleep(0.5)
track_flag[0] = track_flag[1]
track_flag[1] = track_flag[2]
track_flag[2] = self.ctrl.read_track()
#print(track_flag)
#continue
status = self.ctrl.read_status()
dome_az = status["Current_Dome"]
if dome_az < 0.:
dome_az += 360.
target_az = ret[0]
if target_az < 0.:
target_az += 360.
while abs(dome_az - target_az) > 10.:
time.sleep(0.5)
status = self.ctrl.read_status()
dome_az = status["Current_Dome"]
if dome_az < 0.:
dome_az += 360.
#continue
tv = time.time()
mjd2 = tv/24./3600. + 40587.0
n_star = self.calc_star_azel(_tbl[1], _tbl[2], mjd2)
self.ccd.all_sky_shot(_tbl[0], _tbl[3], n_star[0], n_star[1], data_name, status)
else:
#out of range(El)
pass
self.ctrl.tracking_end()
print("OBSERVATION END")
return