本文整理汇总了Python中processing.core.parameters.ParameterCrs类的典型用法代码示例。如果您正苦于以下问题：Python ParameterCrs类的具体用法？Python ParameterCrs怎么用？Python ParameterCrs使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ParameterCrs类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testScriptCode
def testScriptCode(self):
parameter = ParameterCrs('myName', 'myDescription')
code = parameter.getAsScriptCode()
result = getParameterFromString(code)
self.assertIsInstance(result, ParameterCrs)
parameter.optional = True
code = parameter.getAsScriptCode()
result = getParameterFromString(code)
self.assertIsInstance(result, ParameterCrs)
self.assertTrue(result.optional)示例2: testOptional
def testOptional(self):
optionalParameter = ParameterString('myName', 'myDesc', default='test', optional=True)
self.assertEqual(optionalParameter.value, 'test')
optionalParameter.setValue('check')
self.assertEqual(optionalParameter.value, 'check')
self.assertTrue(optionalParameter.setValue(None))
self.assertEqual(optionalParameter.value, '')
requiredParameter = ParameterCrs('myName', 'myDesc', default='test', optional=False)
self.assertEqual(requiredParameter.value, 'test')
requiredParameter.setValue('check')
self.assertEqual(requiredParameter.value, 'check')
self.assertFalse(requiredParameter.setValue(None))
self.assertEqual(requiredParameter.value, 'check')示例3: testOptional
def testOptional(self):
optionalParameter = ParameterCrs("myName", "myDesc", default="EPSG:4326", optional=True)
self.assertEqual(optionalParameter.value, "EPSG:4326")
optionalParameter.setValue("EPSG:12003")
self.assertEqual(optionalParameter.value, "EPSG:12003")
self.assertTrue(optionalParameter.setValue(None))
self.assertEqual(optionalParameter.value, None)
requiredParameter = ParameterCrs("myName", "myDesc", default="EPSG:4326", optional=False)
self.assertEqual(requiredParameter.value, "EPSG:4326")
requiredParameter.setValue("EPSG:12003")
self.assertEqual(requiredParameter.value, "EPSG:12003")
self.assertFalse(requiredParameter.setValue(None))
self.assertEqual(requiredParameter.value, "EPSG:12003")示例4: testParameterCRS
def testParameterCRS(self):
param = ParameterCrs('name', 'desc')
assert param.setValue('EPSG:12003')
assert param.value == 'EPSG:12003'
assert param.setValue(None)
assert param.value == param.default
s = param.serialize()
param2 = ParameterCrs()
param2.deserialize(s)
assert param.default == param2.default
assert param.description == param2.description
assert param.name == param2.name示例5: ModelerParameterDefinitionDialog
#.........这里部分代码省略.........
for param in list(self.alg.inputs.values()):
if isinstance(param.param, (ParameterVector, ParameterTable)):
self.parentCombo.addItem(param.param.description(), param.param.name())
if self.param is not None:
if self.param.parent_layer == param.param.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
isinstance(self.param, ParameterString)):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.defaultValue())
self.verticalLayout.addWidget(self.defaultTextBox)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
isinstance(self.param, ParameterFile)):
self.verticalLayout.addWidget(QLabel(self.tr('Type')))
self.fileFolderCombo = QComboBox()
self.fileFolderCombo.addItem(self.tr('File'))
self.fileFolderCombo.addItem(self.tr('Folder'))
if self.param is not None:
self.fileFolderCombo.setCurrentIndex(
1 if self.param.isFolder else 0)
self.verticalLayout.addWidget(self.fileFolderCombo)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
isinstance(self.param, ParameterPoint)):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.defaultValue())
self.verticalLayout.addWidget(self.defaultTextBox)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
isinstance(self.param, ParameterCrs)):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.selector = QgsProjectionSelectionWidget()
if self.param is not None:
self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue()))
else:
self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.verticalLayout.addWidget(self.selector)
self.verticalLayout.addSpacing(20)
self.requiredCheck = QCheckBox()
self.requiredCheck.setText(self.tr('Mandatory'))
self.requiredCheck.setChecked(True)
if self.param is not None:
self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
self.verticalLayout.addWidget(self.requiredCheck)
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.verticalLayout.addStretch()
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
def okPressed(self):
description = str(self.nameTextBox.text())
if description.strip() == '':示例6: okPressed
def okPressed(self):
description = str(self.nameTextBox.text())
if description.strip() == '':
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Invalid parameter name'))
return
if self.param is None:
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
safeName = ''.join(c for c in description if c in validChars)
name = safeName.lower()
i = 2
while name in self.alg.inputs:
name = safeName.lower() + str(i)
else:
name = self.param.name()
if (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or
isinstance(self.param, ParameterBoolean)):
self.param = ParameterBoolean(name, description, self.state.isChecked())
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
isinstance(self.param, ParameterTableField)):
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.currentData()
datatype = self.datatypeCombo.currentData()
self.param = ParameterTableField(name, description, parent, datatype, multiple=self.multipleCheck.isChecked())
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or
isinstance(self.param, ParameterRaster)):
self.param = ParameterRaster(
name, description)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or
isinstance(self.param, ParameterTable)):
self.param = ParameterTable(
name, description)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
isinstance(self.param, ParameterVector)):
self.param = ParameterVector(
name, description,
[self.shapetypeCombo.currentIndex() - 1])
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
isinstance(self.param, ParameterMultipleInput)):
self.param = ParameterMultipleInput(
name, description,
self.datatypeCombo.currentIndex() - 1)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
isinstance(self.param, ParameterNumber)):
try:
vmin = self.minTextBox.text().strip()
if vmin == '':
vmin = None
else:
vmin = float(vmin)
vmax = self.maxTextBox.text().strip()
if vmax == '':
vmax = None
else:
vmax = float(vmax)
self.param = ParameterNumber(name, description, vmin, vmax,
str(self.defaultTextBox.text()))
except:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
isinstance(self.param, ParameterExpression)):
parent = self.parentCombo.currentData()
self.param = ParameterExpression(name, description,
default=str(self.defaultEdit.expression()),
parent_layer=parent)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
isinstance(self.param, ParameterString)):
self.param = ParameterString(name, description,
str(self.defaultTextBox.text()))
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or
isinstance(self.param, ParameterExtent)):
self.param = ParameterExtent(name, description)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
isinstance(self.param, ParameterFile)):
isFolder = self.fileFolderCombo.currentIndex() == 1
self.param = ParameterFile(name, description, isFolder=isFolder)
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
isinstance(self.param, ParameterPoint)):
self.param = ParameterPoint(name, description,
str(self.defaultTextBox.text()))
elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
isinstance(self.param, ParameterCrs)):
self.param = ParameterCrs(name, description, default=self.selector.crs().authid())
if not self.requiredCheck.isChecked():
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)
self.close()示例7: testSetValue
def testSetValue(self):
parameter = ParameterCrs("myName", "myDesc")
self.assertTrue(parameter.setValue("EPSG:12003"))
self.assertEqual(parameter.value, "EPSG:12003")