def fit_pix_values(t_ccd, esec, id=1):
logger = logging.getLogger("sherpa")
logger.setLevel(logging.WARN)
data_id = id
ui.clean()
ui.set_method('simplex')
ui.load_user_model(dark_scale_model, 'model')
ui.add_user_pars('model', ['scale', 'dark_t_ref'])
ui.set_model(data_id, 'model')
ui.load_arrays(
data_id,
np.array(t_ccd),
np.array(esec),
)
ui.set_staterror(data_id, 30 * np.ones(len(t_ccd)))
model.scale.val = 0.588
model.scale.min = 0.3
model.scale.max = 1.0
model.dark_t_ref.val = 500
ui.freeze(model.scale)
# If more than 5 degrees in the temperature range,
# thaw and fit for model.scale. Else just use/return
# the fit of dark_t_ref
if np.max(t_ccd) - np.min(t_ccd) > 2:
# Fit first for dark_t_ref
ui.fit(data_id)
ui.thaw(model.scale)
ui.fit(data_id)
return ui.get_fit_results(), ui.get_model(data_id)
def set_log_level(level):
"""
Set the global logging level
:level: log level string like "verbose" or "critical"
"""
levels = "VERBOSE DEBUG INFO WARNING CRITICAL ERROR".split()
levels_map = {key.lower(): getattr(pyyaks.logger, key) for key in levels}
level = levels_map[level]
logger.setLevel(level)
for handler in logger.handlers:
handler.setLevel(level)
def fit_pix_values(t_ccd, esec, id=1):
logger = logging.getLogger("sherpa")
logger.setLevel(logging.WARN)
data_id = id
ui.clean()
ui.set_method("simplex")
ui.load_user_model(dark_scale_model, "model")
ui.add_user_pars("model", ["scale", "dark_t_ref"])
ui.set_model(data_id, "model")
ui.load_arrays(data_id, np.array(t_ccd), np.array(esec), 0.1 * np.ones(len(t_ccd)))
model.scale.val = 0.70
model.dark_t_ref.val = 500
ui.freeze(model.scale)
# If more than 5 degrees in the temperature range,
# thaw and fit for model.scale. Else just use/return
# the fit of dark_t_ref
ui.fit(data_id)
ui.thaw(model.scale)
ui.fit(data_id)
return ui.get_fit_results(), ui.get_model(data_id)