def low_threshold():
"""Generate low hazard zone threshold parameter
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('Low Hazard Zone Threshold')
field.precision = 2
field.value = 2
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('Low Hazard Zone threshold.')
field.description = tr(
'The threshold of hazard categorized as Low Hazard Zone in '
'centimetres. A zone is categorized as Low Hazard Zone if the '
'thickness of ash is more than Very Low Hazard Zone Threshold and '
'less than Low Hazard Zone Threshold.')
return field
def unaffected_threshold():
"""Generate threshold for unaffected region
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('Unaffected Threshold')
field.precision = 2
field.value = 1
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
field.value = 0.01
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('Unaffected threshold.')
field.description = tr(
'The threshold of hazard categorized as Unaffected in '
'centimetres. A zone is categorized as Unaffected if the '
'thickness of ash is less than Unaffected Threshold.')
return field
def low_threshold():
"""Generate low hazard zone threshold parameter
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('Low Hazard Zone Threshold')
field.precision = 2
field.value = 2
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('Low Hazard Zone threshold.')
field.description = tr(
'The threshold of hazard categorized as Low Hazard Zone in '
'centimetres. A zone is categorized as Low Hazard Zone if the '
'thickness of ash is more than Very Low Hazard Zone Threshold and '
'less than Low Hazard Zone Threshold.')
return field
def unaffected_threshold():
"""Generate threshold for unaffected region
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('Unaffected Threshold')
field.precision = 2
field.value = 1
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
field.value = 0.01
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('Unaffected threshold.')
field.description = tr(
'The threshold of hazard categorized as Unaffected in '
'centimetres. A zone is categorized as Unaffected if the '
'thickness of ash is less than Unaffected Threshold.')
return field
def high_threshold():
"""Generate high hazard zone threshold parameter
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('High Hazard Zone Threshold')
field.precision = 2
field.value = 10
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('High Hazard Zone threshold.')
field.description = tr(
'The threshold of hazard categorized as High Hazard Zone in '
'centimetres. A zone is categorized as High Hazard Zone if the '
'thickness of ash is more than Moderate Hazard Zone Threshold and '
'less than High Hazard Zone Threshold. If it is more than High Hazard '
'Threshold then it was considered as Very High Hazard Zone')
return field
def high_threshold():
"""Generate high hazard zone threshold parameter
:returns: A FloatParameter.
:rtype: FloatParameter
"""
field = FloatParameter()
field.is_required = True
field.name = tr('High Hazard Zone Threshold')
field.precision = 2
field.value = 10
field.minimum_allowed_value = 0
field.maximum_allowed_value = 100
unit_centimetres = parameter_unit_centimetres()
field.unit = unit_centimetres
field.allowed_units = [unit_centimetres]
field.help_text = tr('High Hazard Zone threshold.')
field.description = tr(
'The threshold of hazard categorized as High Hazard Zone in '
'centimetres. A zone is categorized as High Hazard Zone if the '
'thickness of ash is more than Moderate Hazard Zone Threshold and '
'less than High Hazard Zone Threshold. If it is more than High Hazard '
'Threshold then it was considered as Very High Hazard Zone')
return field
