本文整理汇总了Python中qgis.core.QgsProcessingContext.setTransformErrorCallback方法的典型用法代码示例。如果您正苦于以下问题:Python QgsProcessingContext.setTransformErrorCallback方法的具体用法?Python QgsProcessingContext.setTransformErrorCallback怎么用?Python QgsProcessingContext.setTransformErrorCallback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.QgsProcessingContext
的用法示例。
在下文中一共展示了QgsProcessingContext.setTransformErrorCallback方法的1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: createContext
# 需要导入模块: from qgis.core import QgsProcessingContext [as 别名]
# 或者: from qgis.core.QgsProcessingContext import setTransformErrorCallback [as 别名]
def createContext():
"""
Creates a default processing context
"""
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
invalid_features_method = ProcessingConfig.getSetting(ProcessingConfig.FILTER_INVALID_GEOMETRIES)
if invalid_features_method is None:
invalid_features_method = QgsFeatureRequest.GeometryAbortOnInvalid
context.setInvalidGeometryCheck(invalid_features_method)
def raise_error(f):
raise GeoAlgorithmExecutionException(QCoreApplication.translate("FeatureIterator",
'Features with invalid geometries found. Please fix these geometries or specify the "Ignore invalid input features" flag'))
context.setInvalidGeometryCallback(raise_error)
def raise_transform_error(f):
raise GeoAlgorithmExecutionException(QCoreApplication.translate("FeatureIterator",
'Encountered a transform error when reprojecting feature with id {}.'.format(f.id())))
context.setTransformErrorCallback(raise_transform_error)
settings = QgsSettings()
context.setDefaultEncoding(settings.value("/Processing/encoding", "System"))
return context