本文整理汇总了Python中qgis.core.QgsRasterLayer.isValidRasterFileName方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRasterLayer.isValidRasterFileName方法的具体用法？Python QgsRasterLayer.isValidRasterFileName怎么用？Python QgsRasterLayer.isValidRasterFileName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.QgsRasterLayer的用法示例。
在下文中一共展示了QgsRasterLayer.isValidRasterFileName方法的2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: showFileDialog
# 需要导入模块: from qgis.core import QgsRasterLayer [as 别名]
# 或者: from qgis.core.QgsRasterLayer import isValidRasterFileName [as 别名]
def showFileDialog(self, seldir):
settings = QgsSettings()
text = str(self.text.text())
if os.path.isdir(text):
path = text
elif not seldir and os.path.isdir(os.path.dirname(text)):
path = os.path.dirname(text)
elif settings.contains('/Processing/LastInputPath'):
path = str(settings.value('/Processing/LastInputPath'))
else:
path = ''
if not seldir:
ret, selected_filter = QFileDialog.getOpenFileNames(
self, self.tr('Select Files'), path, getFileFilter(self.param)
)
else:
ret = QFileDialog.getExistingDirectory(self, self.tr('Select Directory'), path)
if ret:
if seldir:
settings.setValue('/Processing/LastInputPath', ret)
files = []
for pp in Path(ret).rglob("*"):
if not pp.is_file():
continue
p = pp.as_posix()
if ((isinstance(self.param, QgsProcessingParameterRasterLayer)
or (isinstance(self.param, QgsProcessingParameterMultipleLayers) and self.param.layerType() == QgsProcessing.TypeRaster)) and
not QgsRasterLayer.isValidRasterFileName(p)):
continue
files.append(p)
if not files:
return
else:
files = list(ret)
settings.setValue('/Processing/LastInputPath', os.path.dirname(str(files[0])))
for i, filename in enumerate(files):
files[i] = dataobjects.getRasterSublayer(filename, self.param)
if len(files) == 1:
self.text.setText(files[0])
self.textEditingFinished()
else:
if isinstance(self.param, QgsProcessingParameterMultipleLayers):
self.text.setText(';'.join(str(f) for f in files))
else:
rowdif = len(files) - (self._table().rowCount() - self.row)
for i in range(rowdif):
self._panel().addRow()
for i, f in enumerate(files):
self._table().cellWidget(i + self.row,
self.col).setValue(f)示例2: dropMimeData
# 需要导入模块: from qgis.core import QgsRasterLayer [as 别名]
# 或者: from qgis.core.QgsRasterLayer import isValidRasterFileName [as 别名]
def dropMimeData(self, data, action, row, column, parent):
global isImportVectorAvail
if action == Qt.IgnoreAction:
return True
# vectors/tables to be imported must be dropped on connected db, schema or table
canImportLayer = isImportVectorAvail and parent.isValid() and \
(isinstance(parent.internalPointer(), (SchemaItem, TableItem)) or
(isinstance(parent.internalPointer(), ConnectionItem) and parent.internalPointer().populated))
added = 0
if data.hasUrls():
for u in data.urls():
filename = u.toLocalFile()
if filename == "":
continue
if self.hasSpatialiteSupport:
from .db_plugins.spatialite.connector import SpatiaLiteDBConnector
if SpatiaLiteDBConnector.isValidDatabase(filename):
# retrieve the SL plugin tree item using its path
index = self._rPath2Index(["spatialite"])
if not index.isValid():
continue
item = index.internalPointer()
conn_name = QFileInfo(filename).fileName()
uri = QgsDataSourceUri()
uri.setDatabase(filename)
item.getItemData().addConnection(conn_name, uri)
item.changed.emit()
added += 1
continue
if canImportLayer:
if QgsRasterLayer.isValidRasterFileName(filename):
layerType = 'raster'
providerKey = 'gdal'
else:
layerType = 'vector'
providerKey = 'ogr'
layerName = QFileInfo(filename).completeBaseName()
if self.importLayer(layerType, providerKey, layerName, filename, parent):
added += 1
if data.hasFormat(self.QGIS_URI_MIME):
for uri in QgsMimeDataUtils.decodeUriList(data):
if canImportLayer:
if self.importLayer(uri.layerType, uri.providerKey, uri.name, uri.uri, parent):
added += 1
return added > 0