Python FloatParameter.precision方法代码示例

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
    def test_init(self):
        """Test initialize qt4 parameter factory."""

        boolean_parameter = BooleanParameter('1231231')
        boolean_parameter.name = 'Boolean'
        boolean_parameter.help_text = 'A boolean parameter'
        boolean_parameter.description = 'A test _description'
        boolean_parameter.is_required = True
        boolean_parameter.value = True

        float_parameter = FloatParameter()
        float_parameter.name = 'Float Parameter'
        float_parameter.is_required = True
        float_parameter.precision = 3
        float_parameter.minimum_allowed_value = 1.0
        float_parameter.maximum_allowed_value = 2.0
        float_parameter.help_text = 'Short help.'
        float_parameter.description = 'Long description for parameter.'
        float_parameter.unit = 'metres'
        float_parameter.value = 1.1

        parameters = [boolean_parameter, float_parameter]

        qt4_parameter_factory = Qt4ParameterFactory()
        widgets = []
        widget_classes = []

        for parameter in parameters:
            widget = qt4_parameter_factory.get_widget(parameter)
            widgets.append(widget)
            widget_classes.append(widget.__class__)

        expected_classes = [BooleanParameterWidget, FloatParameterWidget]
        message = 'Expected %s got %s' % (expected_classes, widget_classes)
        self.assertListEqual(widget_classes, expected_classes, message)

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
def high_threshold():
    """Generate high  hazard zone threshold parameter

    :return: list of FloatParameter
    :rtype: list[FloatParameter]
    """
    field = FloatParameter()
    field.is_required = True
    field.name = 'High Hazard Zone Threshold'
    field.precision = 2
    field.value = 8
    field.minimum_allowed_value = 0
    field.maximum_allowed_value = 100
    unit_metres = parameter_unit_metres()
    field.unit = unit_metres
    field.allowed_units = [unit_metres]
    field.help_text = tr('High Hazard Zone threshold.')
    field.description = tr(
        'The threshold of hazard categorized as High Hazard Zone in '
        'meter. A zone is categorized as High Hazard Zone if the depth of '
        'tsunami inundation is more than Medium Hazard Zone Threshold and '
        'less than High Hazard Zone Threshold.'
        'A zone that has more than High Hazard Zone Threshold is categorized '
        'as Very High Hazard Zone.')
    return field

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
    def default_field_to_parameter(self, default_field):
        """Obtain parameter from default field.

        :param default_field: A default field definition.
        :type default_field: dict

        :returns: A parameter object.
        :rtype: FloatParameter, IntegerParameter
        """
        if default_field.get('type') == QVariant.Double:
            parameter = FloatParameter()
        elif default_field.get('type') in qvariant_whole_numbers:
            parameter = IntegerParameter()
        else:
            return
        default_value = default_field.get('default_value')
        if not default_value:
            message = (
                'InaSAFE default field %s does not have default value'
                % default_field.get('name'))
            LOGGER.exception(message)
            return

        parameter.guid = default_field.get('key')
        parameter.name = default_value.get('name')
        parameter.is_required = True
        parameter.precision = default_field.get('precision')
        parameter.minimum_allowed_value = default_value.get(
            'min_value', 0)
        parameter.maximum_allowed_value = default_value.get(
            'max_value', 100000000)
        parameter.help_text = default_value.get('help_text')
        parameter.description = default_value.get('description')

        # Check if user ask to restore to the most default value.
        if self.is_restore_default:
            parameter._value = default_value.get('default_value')
        else:
            # Current value
            qsetting_default_value = get_inasafe_default_value_qsetting(
                self.settings, GLOBAL, default_field['key'])

            # To avoid python error
            if qsetting_default_value > parameter.maximum_allowed_value:
                qsetting_default_value = parameter.maximum_allowed_value
            if qsetting_default_value < parameter.minimum_allowed_value:
                qsetting_default_value = parameter.minimum_allowed_value

            parameter.value = qsetting_default_value
        return parameter

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
def evacuation_percentage():
    """Generator for the default evaluation percentage parameter.
    :return: List of Float parameter
    :rtype: list[FloatParameter]
    """
    field = FloatParameter()
    field.name = 'Evacuation Percentage'
    field.is_required = True
    field.maximum_allowed_value = 100
    field.minimum_allowed_value = 0
    field.value = 1
    field.precision = 2
    unit_percentage = parameter_unit_percentage()
    field.unit = unit_percentage
    field.allowed_units = [unit_percentage]
    field.help_text = tr('Percentage value of affected population.')
    field.description = tr(
        'The value in percentage of the population that '
        'represent the number of people needed to be evacuated.')
    return field

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
def threshold():
    """Generator for the default threshold parameter.

    :return: List of FloatParameter
    :rtype: list[FloatParameter]
    """
    field = FloatParameter()
    field.name = tr('Thresholds [m]')
    field.is_required = True
    field.precision = 2
    field.value = 1.0  # default value
    unit_metres = parameter_unit_metres()
    field.unit = unit_metres
    field.allowed_units = [unit_metres]
    field.help_text = tr(
        'Threshold value to categorize inundated area.')
    field.description = tr(
        'Hazard value above the threshold in meter will be considered '
        'inundated.')
    return field

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
def low_threshold():
    """Generate low hazard zone threshold parameter

    :return: list of FloatParameter
    :rtype: list[FloatParameter]
    """
    field = FloatParameter()
    field.is_required = True
    field.name = 'Low Hazard Zone Threshold'
    field.precision = 2
    field.value = 1
    field.minimum_allowed_value = 0
    field.maximum_allowed_value = 100
    unit_metres = parameter_unit_metres()
    field.unit = unit_metres
    field.allowed_units = [unit_metres]
    field.help_text = tr('Low Hazard Zone threshold.')
    field.description = tr(
        'The threshold of hazard categorized as Low Hazard Zone in meter. A '
        'zone is categorized as Low Hazard Zone if the depth of tsunami '
        'inundation is less than Low Hazard Zone Threshold.')
    return field

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
def medium_threshold():
    """Generate moderate hazard zone threshold parameter

    :return: list of FloatParameter
    :rtype: list[FloatParameter]
    """
    field = FloatParameter()
    field.is_required = True
    field.name = 'Moderate Hazard Zone Threshold'
    field.precision = 2
    field.value = 3
    field.minimum_allowed_value = 0
    field.maximum_allowed_value = 100
    unit_metres = parameter_unit_metres()
    field.unit = unit_metres
    field.allowed_units = [unit_metres]
    field.help_text = tr('Moderate Hazard Zone threshold.')
    field.description = tr(
        'The threshold of hazard categorized as Moderate Hazard Zone in '
        'meter. A zone is categorized as Medium Hazard Zone if the depth of '
        'tsunami inundation is more than Low Hazard Zone Threshold and less '
        'than Medium Hazard Zone Threshold.')
    return field

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
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

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
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

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
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

# 需要导入模块: from safe_extras.parameters.float_parameter import FloatParameter [as 别名]
# 或者: from safe_extras.parameters.float_parameter.FloatParameter import precision [as 别名]
    def set_up_resource_parameters(self):
        """Set up the resource parameter for the add/edit view.
        """
        name_parameter = StringParameter('UUID-1')
        name_parameter.name = tr('Resource name')
        name_parameter.help_text = tr(
            'Name of the resource that will be provided '
            'as part of minimum needs. '
            'e.g. Rice, Water etc.')
        name_parameter.description = tr(
            'A <b>resource</b> is something that you provide to displaced '
            'persons in the event of a disaster. The resource will be made '
            'available at IDP camps and may need to be stockpiled by '
            'contingency planners in their preparations for a disaster.')
        name_parameter.is_required = True
        name_parameter.value = ''

        description_parameter = StringParameter('UUID-2')
        description_parameter.name = tr('Resource description')
        description_parameter.help_text = tr(
            'Description of the resource that will be provided as part of '
            'minimum needs.')
        description_parameter.description = tr(
            'This gives a detailed description of what the resource is and ')
        description_parameter.is_required = True
        description_parameter.value = ''

        unit_parameter = StringParameter('UUID-3')
        unit_parameter.name = tr('Unit')
        unit_parameter.help_text = tr(
            'Single unit for the resources spelled out. e.g. litre, '
            'kilogram etc.')
        unit_parameter.description = tr(
            'A <b>unit</b> is the basic measurement unit used for computing '
            'the allowance per individual. For example when planning water '
            'rations the unit would be single litre.')
        unit_parameter.is_required = True
        unit_parameter.value = ''

        units_parameter = StringParameter('UUID-4')
        units_parameter.name = tr('Units')
        units_parameter.help_text = tr(
            'Multiple units for the resources spelled out. e.g. litres, '
            'kilogram etc.')
        units_parameter.description = tr(
            '<b>Units</b> are the basic measurement used for computing the '
            'allowance per individual. For example when planning water '
            'rations the units would be litres.')
        units_parameter.is_required = True
        units_parameter.value = ''

        unit_abbreviation_parameter = StringParameter('UUID-5')
        unit_abbreviation_parameter.name = tr('Unit abbreviation')
        unit_abbreviation_parameter.help_text = tr(
            'Abbreviations of unit for the resources. e.g. l, kg etc.')
        unit_abbreviation_parameter.description = tr(
            "A <b>unti abbreviation</b> is the basic measurement unit's "
            "shortened. For example when planning water rations "
            "the units would be l.")
        unit_abbreviation_parameter.is_required = True
        unit_abbreviation_parameter.value = ''

        minimum_parameter = FloatParameter('UUID-6')
        minimum_parameter.name = tr('Minimum allowed')
        minimum_parameter.is_required = True
        minimum_parameter.precision = 2
        minimum_parameter.minimum_allowed_value = -99999.0
        minimum_parameter.maximum_allowed_value = 99999.0
        minimum_parameter.help_text = tr(
            'The minimum allowable quantity per person. ')
        minimum_parameter.description = tr(
            'The <b>minimum</b> is the minimum allowed quantity of the '
            'resource per person. For example you may dictate that the water '
            'ration per person per day should never be allowed to be less '
            'than 0.5l. This is enforced when tweaking a minimum needs set '
            'before an impact evaluation')
        minimum_parameter.value = 0.00

        maximum_parameter = FloatParameter('UUID-7')
        maximum_parameter.name = tr('Maximum allowed')
        maximum_parameter.is_required = True
        maximum_parameter.precision = 2
        maximum_parameter.minimum_allowed_value = -99999.0
        maximum_parameter.maximum_allowed_value = 99999.0
        maximum_parameter.help_text = tr(
            'The maximum allowable quantity per person. ')
        maximum_parameter.description = tr(
            'The <b>maximum</b> is the maximum allowed quantity of the '
            'resource per person. For example you may dictate that the water '
            'ration per person per day should never be allowed to be more '
            'than 50l. This is enforced when tweaking a minimum needs set '
            'before an impact evaluation.')
        maximum_parameter.value = 100.0

        default_parameter = FloatParameter('UUID-8')
        default_parameter.name = tr('Default')
        default_parameter.is_required = True
        default_parameter.precision = 2
        default_parameter.minimum_allowed_value = -99999.0
        default_parameter.maximum_allowed_value = 99999.0
#.........这里部分代码省略.........