def init_lcmodel(log, filename='salt2.npz'):
global model_components
if model_components is None:
if filename is None:
model_components = salt2.ModelComponents.load_from_saltpath()
else:
model_components = salt2.ModelComponents(filename)
fs = salt2.load_filters(np.unique(log.band))
lcmodel = snsim.SALT2LcModel(fs, model_components)
return lcmodel
def init_lcmodel(bands, filename='salt2.npz'):
"""
Utility function to load a SALT2 light curve model.
The model components are cached.
This should be a function of the snsim module.
"""
global model_components
if model_components is None:
print 'we have to reload model_components'
if filename is None:
model_components = salt2.ModelComponents.load_from_saltpath()
else:
model_components = salt2.ModelComponents(filename)
fs = salt2.load_filters(np.unique(bands))
lcmodel = snsim.SALT2LcModel(fs, model_components)
return lcmodel