本文整理汇总了Python中qgis.core.QgsProcessingUtils.compatibleVectorLayers方法的典型用法代码示例。如果您正苦于以下问题：Python QgsProcessingUtils.compatibleVectorLayers方法的具体用法？Python QgsProcessingUtils.compatibleVectorLayers怎么用？Python QgsProcessingUtils.compatibleVectorLayers使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsProcessingUtils的用法示例。
在下文中一共展示了QgsProcessingUtils.compatibleVectorLayers方法的8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: getAsString
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def getAsString(self, value):
if self.datatype == dataobjects.TYPE_RASTER:
if isinstance(value, QgsRasterLayer):
return str(value.dataProvider().dataSourceUri())
else:
s = str(value)
layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
for layer in layers:
if layer.name() == s:
return str(layer.dataProvider().dataSourceUri())
return s
if self.datatype == dataobjects.TYPE_FILE:
return str(value)
else:
if isinstance(value, QgsVectorLayer):
return str(value.source())
else:
s = str(value)
if self.datatype != dataobjects.TYPE_VECTOR_ANY:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [self.datatype], False)
else:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
for layer in layers:
if layer.name() == s:
return str(layer.source())
return s示例2: showLayerSelectionDialog
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def showLayerSelectionDialog(self):
if (isinstance(self.param, ParameterRaster) or
(isinstance(self.param, ParameterMultipleInput) and
self.param.datatype == dataobjects.TYPE_RASTER)):
layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
elif isinstance(self.param, ParameterTable):
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
else:
if isinstance(self.param, ParameterVector):
datatype = self.param.datatype
else:
datatype = [self.param.datatype]
if datatype != dataobjects.TYPE_VECTOR_ANY:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [datatype])
else:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.setValue(layers[selected[0]])
else:
if isinstance(self.param, ParameterMultipleInput):
self.text.setText(';'.join(layers[idx].name() for idx in selected))
else:
rowdif = len(selected) - (self._table().rowCount() - self.row)
for i in range(rowdif):
self._panel().addRow()
for i, layeridx in enumerate(selected):
self._table().cellWidget(i + self.row,
self.col).setValue(layers[layeridx])示例3: showLayerSelectionDialog
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def showLayerSelectionDialog(self):
layers = []
if (isinstance(self.param, QgsProcessingParameterRasterLayer) or
(isinstance(self.param, QgsProcessingParameterMultipleLayers) and
self.param.layerType() == QgsProcessing.TypeRaster)):
layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
elif isinstance(self.param, QgsProcessingParameterVectorLayer):
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
elif (isinstance(self.param, QgsProcessingParameterMeshLayer) or
(isinstance(self.param, QgsProcessingParameterMultipleLayers) and
self.param.layerType() == QgsProcessing.TypeMesh)):
layers = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance())
else:
datatypes = [QgsProcessing.TypeVectorAnyGeometry]
if isinstance(self.param, QgsProcessingParameterFeatureSource):
datatypes = self.param.dataTypes()
elif isinstance(self.param, QgsProcessingParameterMultipleLayers):
datatypes = [self.param.layerType()]
if QgsProcessing.TypeVectorAnyGeometry not in datatypes:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), datatypes)
else:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
def generate_layer_id(layer):
# prefer layer name if unique
if len([l for l in layers if l.name().lower() == layer.name().lower()]) == 1:
return layer.name()
else:
# otherwise fall back to layer id
return layer.id()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.setValue(generate_layer_id(layers[selected[0]]))
else:
if isinstance(self.param, QgsProcessingParameterMultipleLayers):
self.text.setText(';'.join(layers[idx].id() for idx in selected))
else:
rowdif = len(selected) - (self._table().rowCount() - self.row)
for i in range(rowdif):
self._panel().addRow()
for i, layeridx in enumerate(selected):
self._table().cellWidget(i + self.row,
self.col).setValue(generate_layer_id(layers[layeridx]))示例4: value
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def value(self):
if self.dialogType == DIALOG_STANDARD:
if self.param.datatype == dataobjects.TYPE_FILE:
return self.param.setValue(self.widget.selectedoptions)
else:
if self.param.datatype == dataobjects.TYPE_RASTER:
options = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False)
elif self.param.datatype == dataobjects.TYPE_VECTOR_ANY:
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
else:
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [self.param.datatype], False)
return [options[i] for i in self.widget.selectedoptions]
elif self.dialogType == DIALOG_BATCH:
return self.widget.getText()
else:
options = self._getOptions()
values = [options[i] for i in self.widget.selectedoptions]
if len(values) == 0 and not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional:
raise InvalidParameterValue()
return values示例5: showLayerSelectionDialog
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def showLayerSelectionDialog(self):
layers = []
if (isinstance(self.param, QgsProcessingParameterRasterLayer) or
(isinstance(self.param, QgsProcessingParameterMultipleLayers) and
self.param.layerType() == QgsProcessingParameterDefinition.TypeRaster)):
layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
elif isinstance(self.param, QgsProcessingParameterVectorLayer):
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
else:
datatypes = [QgsProcessingParameterDefinition.TypeVectorAny]
if isinstance(self.param, QgsProcessingParameterFeatureSource):
datatypes = self.param.dataTypes()
elif isinstance(self.param, QgsProcessingParameterMultipleLayers):
datatypes = [self.param.layerType()]
if QgsProcessingParameterDefinition.TypeVectorAny not in datatypes:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), datatypes)
else:
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
dlg = MultipleInputDialog([layer.name() for layer in layers])
dlg.exec_()
if dlg.selectedoptions is not None:
selected = dlg.selectedoptions
if len(selected) == 1:
self.setValue(layers[selected[0]].id())
else:
if isinstance(self.param, QgsProcessingParameterMultipleLayers):
self.text.setText(';'.join(layers[idx].id() for idx in selected))
else:
rowdif = len(selected) - (self._table().rowCount() - self.row)
for i in range(rowdif):
self._panel().addRow()
for i, layeridx in enumerate(selected):
self._table().cellWidget(i + self.row,
self.col).setValue(layers[layeridx].id())示例6: postInitialize
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def postInitialize(self, wrappers):
for wrapper in wrappers:
if wrapper.param.name == self.param.parent:
wrapper.widgetValueHasChanged.connect(self.parentLayerChanged)
break
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
if len(layers) > 0:
# as first item in combobox is already selected
self.widget.setLayer(layers[0])
# remove exiting spacers to get FieldsMappingPanel fully expanded
if self.dialogType in (DIALOG_STANDARD, DIALOG_MODELER):
layout = self.widget.parent().layout()
spacer = layout.itemAt(layout.count() - 1)
if isinstance(spacer, QSpacerItem):
layout.removeItem(spacer)示例7: processAlgorithm
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def processAlgorithm(self, parameters, context, feedback):
commands = self.getConsoleCommands(parameters)
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
supported = QgsVectorFileWriter.supportedFormatExtensions()
for i, c in enumerate(commands):
for layer in layers:
if layer.source() in c:
exported = dataobjects.exportVectorLayer(layer, supported)
exportedFileName = os.path.splitext(os.path.split(exported)[1])[0]
c = c.replace(layer.source(), exported)
if os.path.isfile(layer.source()):
fileName = os.path.splitext(os.path.split(layer.source())[1])[0]
c = re.sub('[\s]{}[\s]'.format(fileName), ' ' + exportedFileName + ' ', c)
c = re.sub('[\s]{}'.format(fileName), ' ' + exportedFileName, c)
c = re.sub('["\']{}["\']'.format(fileName), "'" + exportedFileName + "'", c)
commands[i] = c
GdalUtils.runGdal(commands, feedback)示例8: updateLayerCombo
# 需要导入模块: from qgis.core import QgsProcessingUtils [as 别名]
# 或者: from qgis.core.QgsProcessingUtils import compatibleVectorLayers [as 别名]
def updateLayerCombo(self):
layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
for layer in layers:
self.layerCombo.addItem(layer.name(), layer)