def controller(source, t=30.0):
"""Updates position and re-point telescope every t seconds.
Args:
t (float, optional): number of seconds between updates. Defaults to 30.0 seconds.
"""
logger = logging.getLogger('interf')
try:
while(True):
# Update the time and recompute position
OBS.date = ephem.now()
source.compute(OBS)
logger.debug('Move to telescope to (alt, az): (%s,%s)',
str(getAlt(source)), str(source.az))
radiolab.pntTo(az=source.az*180/np.pi, alt=getAlt(source))
time.sleep(t)
except Exception, e:
logger.error('Re-pointing failed for (alt,az): (%s,%s)',
str(getAlt(source)),
str(source.az))
logger.error(str(e))
def pnt_obj(obs, target):
"""Point to current object location (does not respect obs.date)
prints point status with each pointing operation
"""
obs.date = ephem.now()
target.compute(obs)
print '\nStart pnt: %s (JD: %s)' % (pdt(obs.date), ral.getJulDay())
print 'New pos (alt,az): %s, %s' % (target.alt, target.az)
ral.pntTo(rad2deg(target.alt), rad2deg(target.az))
print 'Finish pnt: %s (JD: %s)\n' % (pdt(ephem.now()), ral.getJulDay())
def track():
if time.localtime()[4]+time.localtime()[5]/60. == t:
print 'Home! - at ' + str(time.localtime()[3]) + ':' + str(time.localtime()[4])
rlb.pntHome()
rlb.pntTo(rot_func_pnt.convert()[1]*180./np.pi, rot_func_pnt.convert()[0]*180./np.pi)
time.sleep(30)
rlb.pntTo(rot_func_pnt.convert()[1]*180./np.pi, rot_func_pnt.convert()[0]*180./np.pi)
time.sleep(30)
rlb.pntTo(rot_func_pnt.convert()[1]*180./np.pi, rot_func_pnt.convert()[0]*180./np.pi)
else:
time.sleep(30)
rlb.pntTo(rot_func_pnt.convert()[1]*180./np.pi, rot_func_pnt.convert()[0]*180./np.pi)
def point(self, az, alt):
"""Wrapper around radiolab.pntTo that also logs, pass as degrees"""
logger.warning("Start pointing to (az, alt): {az} {alt}".format(az=az, alt=alt))
radiolab.pntTo(az=az, alt=alt)
logger.warning("Finished pointing.")
def controller(t=30.0):
"""Re-point telescope every t seconds.
Args:
t (float, optional): number of seconds between updates. Defaults to 30.0 seconds.
"""
logger = logging.getLogger('interf')
try:
while(True):
logger.debug('Move to telescope to (alt, az): (%s,%s)',
str(getAlt()), str(sun.az))
radiolab.pntTo(az=sun.az*180/np.pi, alt=getAlt())
time.sleep(t)
except Exception, e:
logger.error('Re-pointing failed for (alt,az): (%d,%d)',
str(getAlt()),
str(sun.az))
logger.error(str(e))
def point(self, az, alt):
logger.warning("Start pointing to (az, alt): {az} {alt}".format(az=az, alt=alt))
radiolab.pntTo(az=np.rad2deg(az), alt=np.rad2deg(alt))
logger.warning("Finished pointing.")
def controller(source, t=30.0):
"""Updates position and re-point telescope every t seconds.
Args:
t (float, optional): number of seconds between updates. Defaults to 30.0 seconds.
"""
logger = logging.getLogger('interf')
try:
while (True):
# Update the time and recompute position
OBS.date = ephem.now()
source.compute(OBS)
logger.debug('Move to telescope to (alt, az): (%s,%s)',
str(getAlt(source)), str(source.az))
radiolab.pntTo(az=source.az * 180 / np.pi, alt=getAlt(source))
time.sleep(t)
except Exception, e:
logger.error('Re-pointing failed for (alt,az): (%s,%s)',
str(getAlt(source)), str(source.az))
logger.error(str(e))
