def create_surface_and_gap(surf_data,
radius_mode=False,
prev_medium=None,
wvl=550.0,
**kwargs):
""" create a surface and gap where surf_data is a list that contains:
[curvature, thickness, refractive_index, v-number] """
s = surface.Surface()
if radius_mode:
if surf_data[0] != 0.0:
s.profile.cv = 1.0 / surf_data[0]
else:
s.profile.cv = 0.0
else:
s.profile.cv = surf_data[0]
if len(surf_data) > 2:
if isanumber(surf_data[2]): # assume all args are numeric
if len(surf_data) < 3:
if surf_data[2] == 1.0:
mat = m.Air()
else:
mat = m.Medium(surf_data[2])
else:
mat = m.Glass(surf_data[2], surf_data[3], '')
else: # string args
if surf_data[2].upper() == 'REFL':
s.interact_mode = 'reflect'
mat = prev_medium
else:
num_args = len(surf_data[2:])
if num_args == 2:
name, cat = surf_data[2], surf_data[3]
else:
name, cat = surf_data[2].split(',')
try:
mat = gfact.create_glass(name, cat)
except ge.GlassNotFoundError as gerr:
logging.info('%s glass data type %s not found',
gerr.catalog, gerr.name)
logging.info('Replacing material with air.')
mat = m.Air()
else: # only curvature and thickness entered, set material to air
mat = m.Air()
thi = surf_data[1]
g = gap.Gap(thi, mat)
rndx = mat.rindex(wvl)
tfrm = np.identity(3), np.array([0., 0., thi])
return s, g, rndx, tfrm
def _initialize_arrays(self):
""" initialize object and image interfaces and intervening gap """
# add object interface
self.ifcs.append(surface.Surface('Obj'))
tfrm = np.identity(3), np.array([0., 0., 0.])
self.gbl_tfrms.append(tfrm)
self.lcl_tfrms.append(tfrm)
# add object gap
self.gaps.append(gap.Gap())
self.z_dir.append(1)
self.rndx.append([1.0])
# add image interface
self.ifcs.append(surface.Surface('Img'))
self.gbl_tfrms.append(tfrm)
self.lcl_tfrms.append(tfrm)
self.z_dir.append(1)
self.rndx.append([1.0])
def insert_surface_and_gap(self):
s = surface.Surface()
g = gap.Gap()
self.insert(s, g)
return s, g
def create_surface_and_gap(surf_data,
radius_mode=False,
prev_medium=None,
wvl=550.0,
**kwargs):
""" create a surface and gap where `surf_data` is a list that contains:
[curvature, thickness, refractive_index, v-number, semi-diameter]
The `curvature` entry is interpreted as radius if `radius_mode` is **True**
The `thickness` is the signed thickness
The `refractive_index, v-number` entry can have several forms:
- **refractive_index, v-number**
- **refractive_index** only -> constant index model
- **'REFL'** -> set interact_mode to 'reflect'
- **glass_name, catalog_name** as 1 or 2 strings
- blank -> defaults to air
The `semi-diameter` entry is optional
"""
s = surface.Surface()
if radius_mode:
if surf_data[0] != 0.0:
s.profile.cv = 1.0 / surf_data[0]
else:
s.profile.cv = 0.0
else:
s.profile.cv = surf_data[0]
if len(surf_data) > 2:
if isanumber(surf_data[2]): # assume all args are numeric
if len(surf_data) < 3:
if surf_data[2] == 1.0:
mat = m.Air()
else:
mat = m.Medium(surf_data[2])
else:
if surf_data[2] == 1.0:
mat = m.Air()
else:
mat = m.Glass(surf_data[2], surf_data[3], '')
else: # string args
if surf_data[2].upper() == 'REFL':
s.interact_mode = 'reflect'
mat = prev_medium
else:
num_str_args = 0
for tkn in surf_data[2:]:
if isinstance(tkn, str) and len(tkn) > 0:
num_str_args += 1
if num_str_args == 2:
name, cat = surf_data[2], surf_data[3]
elif num_str_args == 1:
name, cat = surf_data[2].split(',')
elif num_str_args == 0:
mat = m.Air()
if num_str_args > 0:
try:
mat = gfact.create_glass(name, cat)
except ge.GlassNotFoundError as gerr:
logging.info('%s glass data type %s not found',
gerr.catalog, gerr.name)
logging.info('Replacing material with air.')
mat = m.Air()
if len(surf_data) >= 5:
s.set_max_aperture(surf_data[4])
else: # only curvature and thickness entered, set material to air
mat = m.Air()
thi = surf_data[1]
g = gap.Gap(thi, mat)
rndx = mat.rindex(wvl)
tfrm = np.identity(3), np.array([0., 0., thi])
return s, g, rndx, tfrm