ladybug_comfort.parameter.utci module

Parameters for specifying acceptable thermal conditions using the UTCI model.

class ladybug_comfort.parameter.utci.UTCIParameter(cold_thresh=None, heat_thresh=None, extreme_cold_thresh=None, very_strong_cold_thresh=None, strong_cold_thresh=None, moderate_cold_thresh=None, moderate_heat_thresh=None, strong_heat_thresh=None, very_strong_heat_thresh=None, extreme_heat_thresh=None)[source]

Bases: ComfortParameter

Parameters of UTCI comfort.

Parameters

  • cold_thresh – UTCI temperature below which conditions represent cold stress [C]. Default: 9C.

  • heat_thresh – UTCI temperature above which conditions represent heat stress [C]. Default: 26C.

  • extreme_cold_thresh – UTCI temperature below which conditions represent extreme cold stress [C]. Default: -40C.

  • very_strong_cold_thresh – UTCI temperature below which conditions represent very strong cold stress [C]. Default: -27C.

  • strong_cold_thresh – UTCI temperature below which conditions represent strong cold stress [C]. Default: -13C.

  • moderate_cold_thresh – UTCI temperature below which conditions represent moderate cold stress [C]. Default: 0C.

  • moderate_heat_thresh – UTCI temperature above which conditions represent moderate heat stress [C]. Default: 28C.

  • strong_heat_thresh – UTCI temperature above which conditions represent strong heat stress [C]. Default: 32C.

  • very_strong_heat_thresh – UTCI temperature above which conditions represent very strong heat stress [C]. Default: 38C.

  • extreme_heat_thresh – UTCI temperature above which conditions represent extreme heat stress [C]. Default: 46C.

Properties:

  • cold_thresh

  • heat_thresh

  • extreme_cold_thresh

  • very_strong_cold_thresh

  • strong_cold_thresh

  • moderate_cold_thresh

  • moderate_heat_thresh

  • strong_heat_thresh

  • very_strong_heat_thresh

  • extreme_heat_thresh

ToString()

Overwrite .NET ToString.

duplicate()

Get a copy of this object.

classmethod from_dict(data)[source]

Create a UTCIParameter object from a dictionary.

Parameters

data – A UTCIParameter dictionary in following the format below.

{
'type': 'UTCIParameter',
'cold_thresh': 9,
'heat_thresh': 26,
'extreme_cold_thresh': -40,
'very_strong_cold_thresh': -27,
'strong_cold_thresh': -13,
'moderate_cold_thresh': 0,
'moderate_heat_thresh': 28,
'strong_heat_thresh': 32,
'very_strong_heat_thresh': 38,
'extreme_heat_thresh': 46
}
classmethod from_string(utci_parameter_string)[source]

Create an UTCIParameter object from an PMVParameter string.

is_comfortable(utci)[source]

Determine if conditions are comfortable or not.

Values are one of the following:

0 = uncomfortable 1 = comfortable

original_utci_category(utci)[source]

Determine the category according to the original UTCI assessment scale.

Glossary of Terms for Thermal Physiology (2003). Journal of Thermal Biology 28, 75-106

Values are one of the following:

  • 0 = extreme cold stress

  • 1 = very strong cold stress

  • 2 = strong cold stress

  • 3 = moderate cold stress

  • 4 = slight cold stress

  • 5 = no thermal stress

  • 6 = moderate heat stress

  • 7 = strong heat stress

  • 8 = strong heat stress

  • 9 = extreme heat stress

thermal_condition(utci)[source]

Determine whether conditions are cold, neutral or hot.

Values are one of the following:

  • -1 = cold

  • 0 = netural

  • +1 = hot

thermal_condition_eleven_point(utci)[source]

Determine the thermal condition on an eleven-point scale.

Values are one of the following:

  • -5 = extreme cold stress

  • -4 = very strong cold stress

  • -3 = strong cold stress

  • -2 = moderate cold stress

  • -1 = slight cold stress

  • 0 = no thermal stress

  • +1 = slight heat stress

  • +2 = moderate heat stress

  • +3 = strong heat stress

  • +4 = very strong heat stress

  • +5 = extreme heat stress

thermal_condition_five_point(utci)[source]

Determine the thermal condition on a five-point scale.

Values are one of the following:

  • -2 = strong/extreme cold stress

  • -1 = moderate cold stress

  • 0 = no thermal stress

  • +1 = moderate heat stress

  • +2 = strong/extreme heat stress

thermal_condition_nine_point(utci)[source]

Determine the thermal condition on a nine-point scale.

Values are one of the following:

  • -4 = very strong/extreme cold stress

  • -3 = strong cold stress

  • -2 = moderate cold stress

  • -1 = slight cold stress

  • 0 = no thermal stress

  • +1 = slight heat stress

  • +2 = moderate heat stress

  • +3 = strong heat stress

  • +4 = very strong/extreme heat stress

thermal_condition_seven_point(utci)[source]

Determine the thermal condition on a seven-point scale.

Values are one of the following:

  • -3 = very strong/extreme cold stress

  • -2 = strong cold stress

  • -1 = moderate cold stress

  • 0 = no thermal stress

  • +1 = moderate heat stress

  • +2 = strong heat stress

  • +3 = very strong/extreme heat stress

to_dict()[source]

UTCIParameter dictionary representation.

property cold_thresh

UTCI temperature below which conditions represent cold stress [C].

Default: 9C.

property comfort_model

Return the name of the comfort model to which the parameters belong.

property extreme_cold_thresh

UTCI temperature below which conditions represent extreme cold stress [C].

Default: -40C.

property extreme_heat_thresh

UTCI temperature above which conditions represent extreme heat stress [C].

Default: 46C.

property heat_thresh

UTCI temperature above which conditions represent heat stress [C].

Default: 26C.

property moderate_cold_thresh

UTCI temperature below which conditions represent moderate cold stress [C].

Default: 0C.

property moderate_heat_thresh

UTCI temperature above which conditions represent moderate heat stress [C].

Default: 28C.

property strong_cold_thresh

UTCI temperature below which conditions represent strong cold stress [C].

Default: -13C.

property strong_heat_thresh

UTCI temperature above which conditions represent strong heat stress [C].

Default: 32C.

property very_strong_cold_thresh

UTCI temperature below which conditions represent very strong cold stress [C].

Default: -27C.

property very_strong_heat_thresh

UTCI temperature above which conditions represent very strong heat stress [C].

Default: 38C.