本文整理匯總了Python中processing.core.parameters.ParameterSelection類的典型用法代碼示例。如果您正苦於以下問題：Python ParameterSelection類的具體用法？Python ParameterSelection怎麽用？Python ParameterSelection使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了ParameterSelection類的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: testMultiple
def testMultiple(self):
parameter = ParameterSelection("myName", "myDesc", ["option1", "option2", "option3"], multiple=True)
self.assertEqual(parameter.setValue(1), True)
self.assertEqual(parameter.value, 1)
self.assertEqual(parameter.setValue([0, 1]), True)
self.assertEqual(parameter.value, [0, 1])
self.assertEqual(parameter.setValue(["0", "1"]), True)
self.assertEqual(parameter.value, [0, 1])示例2: defineCharacteristicsFromFile
def defineCharacteristicsFromFile(self):
with open(self.descriptionFile) as lines:
line = lines.readline().strip('\n').strip()
self.name = line
if '|' in self.name:
tokens = self.name.split('|')
self.name = tokens[0]
#cmdname is the name of the algorithm in SAGA, that is, the name to use to call it in the console
self.cmdname = tokens[1]
else:
self.cmdname = self.name
self.i18n_name = QCoreApplication.translate("SAGAAlgorithm", str(self.name))
#_commandLineName is the name used in processing to call the algorithm
#Most of the time will be equal to the cmdname, but in same cases, several processing algorithms
#call the same SAGA one
self._commandLineName = self.createCommandLineName(self.name)
self.name = decoratedAlgorithmName(self.name)
self.i18n_name = QCoreApplication.translate("SAGAAlgorithm", str(self.name))
line = lines.readline().strip('\n').strip()
self.undecoratedGroup = line
self.group = decoratedGroupName(self.undecoratedGroup)
self.i18n_group = QCoreApplication.translate("SAGAAlgorithm", self.group)
line = lines.readline().strip('\n').strip()
while line != '':
if line.startswith('Hardcoded'):
self.hardcodedStrings.append(line[len('Hardcoded|'):])
elif line.startswith('Parameter'):
self.addParameter(getParameterFromString(line))
elif line.startswith('AllowUnmatching'):
self.allowUnmatchingGridExtents = True
elif line.startswith('NoResamplingChoice'):
self.noResamplingChoice = True
elif line.startswith('Extent'):
# An extent parameter that wraps 4 SAGA numerical parameters
self.extentParamNames = line[6:].strip().split(' ')
self.addParameter(ParameterExtent(self.OUTPUT_EXTENT,
'Output extent'))
else:
self.addOutput(getOutputFromString(line))
line = lines.readline().strip('\n').strip()
hasRaster = False
for param in self.parameters:
if (isinstance(param, ParameterRaster) or
(isinstance(param, ParameterMultipleInput)
and param.datatype == ParameterMultipleInput.TYPE_RASTER)):
hasRaster = True
break
if (not self.noResamplingChoice and hasRaster):
param = ParameterSelection(self.RESAMPLING, "Resampling method", ["Nearest Neighbour", "Bilinear Interpolation", "Bicubic Spline Interpolation", "B-Spline Interpolation"], 3)
param.isAdvanced = True
self.addParameter(param)示例3: __init__
def __init__(self):
super().__init__()
self.addParameter(ParameterVector(self.INPUT_LAYER,
self.tr('Point layer'), [dataobjects.TYPE_VECTOR_POINT]))
self.addParameter(ParameterNumber(self.RADIUS,
self.tr('Radius (layer units)'),
0.0, 9999999999, 100.0))
radius_field_param = ParameterTableField(self.RADIUS_FIELD,
self.tr('Radius from field'), self.INPUT_LAYER, optional=True, datatype=ParameterTableField.DATA_TYPE_NUMBER)
radius_field_param.setFlags(radius_field_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(radius_field_param)
class ParameterHeatmapPixelSize(ParameterNumber):
def __init__(self, name='', description='', parent_layer=None, radius_param=None, radius_field_param=None, minValue=None, maxValue=None,
default=None, optional=False, metadata={}):
ParameterNumber.__init__(self, name, description, minValue, maxValue, default, optional, metadata)
self.parent_layer = parent_layer
self.radius_param = radius_param
self.radius_field_param = radius_field_param
self.addParameter(ParameterHeatmapPixelSize(self.PIXEL_SIZE,
self.tr('Output raster size'), parent_layer=self.INPUT_LAYER, radius_param=self.RADIUS,
radius_field_param=self.RADIUS_FIELD,
minValue=0.0, maxValue=9999999999, default=0.1,
metadata={'widget_wrapper': HeatmapPixelSizeWidgetWrapper}))
weight_field_param = ParameterTableField(self.WEIGHT_FIELD,
self.tr('Weight from field'), self.INPUT_LAYER, optional=True, datatype=ParameterTableField.DATA_TYPE_NUMBER)
weight_field_param.setFlags(weight_field_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(weight_field_param)
kernel_shape_param = ParameterSelection(self.KERNEL,
self.tr('Kernel shape'), self.KERNELS)
kernel_shape_param.setFlags(kernel_shape_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(kernel_shape_param)
decay_ratio = ParameterNumber(self.DECAY,
self.tr('Decay ratio (Triangular kernels only)'),
-100.0, 100.0, 0.0)
decay_ratio.setFlags(decay_ratio.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(decay_ratio)
output_scaling = ParameterSelection(self.OUTPUT_VALUE,
self.tr('Output value scaling'), self.OUTPUT_VALUES)
output_scaling.setFlags(output_scaling.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(output_scaling)
self.addOutput(OutputRaster(self.OUTPUT_LAYER,
self.tr('Heatmap')))示例4: testOptional
def testOptional(self):
optionalParameter = ParameterSelection(
"myName", "myDesc", ["option1", "option2", "option3"], default=0, optional=True
)
self.assertEqual(optionalParameter.value, 0)
optionalParameter.setValue(1)
self.assertEqual(optionalParameter.value, 1)
self.assertTrue(optionalParameter.setValue(None))
self.assertEqual(optionalParameter.value, None)
requiredParameter = ParameterSelection(
"myName", "myDesc", ["option1", "option2", "option3"], default=0, optional=False
)
self.assertEqual(requiredParameter.value, 0)
requiredParameter.setValue(1)
self.assertEqual(requiredParameter.value, 1)
self.assertFalse(requiredParameter.setValue(None))
self.assertEqual(requiredParameter.value, 1)示例5: testSetValue
def testSetValue(self):
parameter = ParameterSelection("myName", "myDesc", ["option1", "option2", "option3"])
self.assertIsNone(parameter.value)
self.assertEqual(parameter.setValue(1), True)
self.assertEqual(parameter.value, 1)
self.assertEqual(parameter.setValue("1"), True)
self.assertEqual(parameter.value, 1)
self.assertEqual(parameter.setValue(1.0), True)
self.assertEqual(parameter.value, 1)
self.assertEqual(parameter.setValue("1a"), False)
self.assertEqual(parameter.setValue([1]), False)示例6: testTupleOptions
def testTupleOptions(self):
options = (("o1", "option1"), ("o2", "option2"), ("o3", "option3"))
optionalParameter = ParameterSelection("myName", "myDesc", options, default="o1")
self.assertEqual(optionalParameter.value, "o1")
optionalParameter.setValue("o2")
self.assertEqual(optionalParameter.value, "o2")
optionalParameter = ParameterSelection("myName", "myDesc", options, default=["o1", "o2"], multiple=True)
self.assertEqual(optionalParameter.value, ["o1", "o2"])
optionalParameter.setValue(["o2"])
self.assertEqual(optionalParameter.value, ["o2"])示例7: testTupleOptions
def testTupleOptions(self):
options = (
('o1', 'option1'),
('o2', 'option2'),
('o3', 'option3'))
optionalParameter = ParameterSelection('myName', 'myDesc', options, default='o1')
self.assertEqual(optionalParameter.value, 'o1')
optionalParameter.setValue('o2')
self.assertEqual(optionalParameter.value, 'o2')
optionalParameter = ParameterSelection('myName', 'myDesc', options, default=['o1', 'o2'], multiple=True)
self.assertEqual(optionalParameter.value, ['o1', 'o2'])
optionalParameter.setValue(['o2'])
self.assertEqual(optionalParameter.value, ['o2'])