def update_surface_and_gap(opt_model, dlist, idx=None):
global _glass_handler
seq_model = opt_model.seq_model
s, g = seq_model.insert_surface_and_gap()
if opt_model.radius_mode:
if dlist[0] != 0.0:
s.profile.cv = 1.0 / dlist[0]
else:
s.profile.cv = 0.0
else:
s.profile.cv = dlist[0]
if g:
g.thi = dlist[1]
if len(dlist) < 3:
g.medium = Air()
else:
if dlist[2].upper() == 'REFL':
s.interact_mode = 'reflect'
g.medium = seq_model.gaps[seq_model.cur_surface - 1].medium
else:
g.medium = _glass_handler.process_glass_data(dlist[2])
else:
# at image surface, apply defocus to previous thickness
seq_model.gaps[idx - 1].thi += dlist[1]
def process_glass_data(glass_data):
""" process GLA string for fictitious, catalog or private catalog glass """
if isanumber(glass_data): # process as fictitious glass code
n, v = fictitious_glass_decode(float(glass_data))
medium = Glass(n, v, '')
else: # look for glass name and optional catalog
name_cat = glass_data.split('_')
if len(name_cat) == 2:
name, cat = name_cat
elif len(name_cat) == 1:
name, cat = glass_data, None
if cat is not None:
if cat.upper() == 'SCHOTT' and name[:1].upper() == 'N':
name = name[:1] + '-' + name[1:]
elif cat.upper() == 'OHARA' and name[:1].upper() == 'S':
name = name[:1] + '-' + name[1:]
if not name[-2:].isdigit() and name[-1].isdigit():
name = name[:-1] + ' ' + name[-1]
try:
medium = gfact.create_glass(name, cat)
except glasserror.GlassNotFoundError as gerr:
logging.info('%s glass data type %s not found', gerr.catalog,
gerr.name)
logging.info('Replacing material with air.')
medium = Air()
else: # name with no data. default to crown glass
global _private_catalog_glasses
if name in _private_catalog_glasses:
medium = _private_catalog_glasses[name]
else:
medium = Glass(1.5, 60.0, name)
return medium