def create_mos():
_logger.info('create MOS')
layouttable = np.loadtxt('v03/MOS_spaxel_centers.txt')
# Create fiber bundles and light fibers
fiberset = FiberSet(name='MOS', size=0.31 * u.arcsec, fwhm=3.6)
# FIXME: a trans object per fiber is very slow
trans = EfficiencyFile('v03/tfiber_0.1aa_20m.dat')
for line in layouttable:
idx = int(line[3])
if idx not in fiberset.bundles:
name = 'FiberBundle_{}'.format(idx)
fiberset.bundles[idx] = FiberBundle(name, bid=idx, static=False)
fibid = int(line[4])
name = 'LightFiber_{}'.format(fibid)
lf = LightFiber(name, fibid, transmission=trans)
fiberset.bundles[idx].add_light_fiber(lf)
fiberset.fibers[fibid] = lf
# Center of bundles
fiber_mos = FiberMOS('MOS', fiberset)
for line in layouttable[3::7]:
idx = int(line[3])
name = 'RoboticPositioner_{}'.format(idx)
rb = RoboticPositioner(name, id=idx, pos=(line[0], line[1], 0.0), parent=fiber_mos)
rb.connect_bundle(fiberset.bundles[idx])
pseudo_slit_mos = PseudoSlit(name="MOS", insmode='MOS')
pseudo_slit_mos.connect_fibers(fiberset, layouttable[:, 2])
return fiber_mos, pseudo_slit_mos
def create_lcb():
_logger.info('create LCB')
layouttable = np.loadtxt('v03/LCB_spaxel_centers.txt')
fiberset = FiberSet(name='LCB', size=0.31 * u.arcsec, fwhm=3.6)
# FIXME: a trans object per fiber is very slow
trans = EfficiencyFile('v03/tfiber_0.1aa_20m.dat')
for line in layouttable:
idx = int(line[3])
if idx not in fiberset.bundles:
name = 'FiberBundle_{}'.format(idx)
fiberset.bundles[idx] = FiberBundle(name, bid=idx)
fibid = int(line[4])
name = 'LightFiber_{}'.format(fibid)
lf = LightFiber(name, fibid, transmission=trans)
fiberset.bundles[idx].add_light_fiber(lf)
fiberset.fibers[fibid] = lf
lcb_pos = {}
for line in layouttable:
idx = int(line[4])
lcb_pos[idx] = (line[0], line[1])
lcb = LargeCompactBundle('LCB', fiberset, lcb_pos)
pseudo_slit_lcb = PseudoSlit(name="LCB", insmode='LCB')
pseudo_slit_lcb.connect_fibers(fiberset, layouttable[:,2])
return lcb, pseudo_slit_lcb