本文整理汇总了Python中qgis.core.QgsRasterLayer.bandName方法的典型用法代码示例。如果您正苦于以下问题:Python QgsRasterLayer.bandName方法的具体用法?Python QgsRasterLayer.bandName怎么用?Python QgsRasterLayer.bandName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.bandName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: on_pushButton_clicked
# 需要导入模块: from qgis.core import QgsRasterLayer [as 别名]
# 或者: from qgis.core.QgsRasterLayer import bandName [as 别名]
def on_pushButton_clicked(self):
"""Wow - an autoconnected slot!"""
print 'Click!'
myPath = os.path.join(
os.path.dirname(__file__),
'landsat.tif')
print myPath
layer = QgsRasterLayer(myPath, 'A Layer')
QgsMapLayerRegistry.instance().addMapLayers([layer])
layer.setGrayBandName(layer.bandName(1))
layer.setDrawingStyle(QgsRasterLayer.SingleBandPseudoColor)
layer.setColorShadingAlgorithm(QgsRasterLayer.PseudoColorShader)
layer.saveDefaultStyle()
self.widget.zoomToFullExtent()
print self.widget.extent().toString()
print layer.extent().toString()
self.widget.refresh()
示例2: accept
# 需要导入模块: from qgis.core import QgsRasterLayer [as 别名]
# 或者: from qgis.core.QgsRasterLayer import bandName [as 别名]
def accept(self):
"""Handler for when OK is clicked.
"""
input_path = str(self.leInputPath.text())
output_path = str(self.leOutputPath.text())
if not output_path.endswith('.tif'):
# noinspection PyArgumentList
QMessageBox.warning(
self.parent, self.tr('InaSAFE'),
(self.tr('Output file name must be tif file')))
if not os.path.exists(input_path):
# noinspection PyArgumentList
QMessageBox.warning(
self.parent, self.tr('InaSAFE'),
(self.tr('Input file is not exist')))
return
if self.radNearest.isChecked():
my_algorithm = 'nearest'
else:
my_algorithm = 'invdist'
QtGui.qApp.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))
fileName = convert_mmi_data(
input_path, output_path,
algorithm=my_algorithm,
algorithm_filename_flag=False)
QtGui.qApp.restoreOverrideCursor()
if self.cBLoadLayer.isChecked():
fileInfo = QFileInfo(fileName)
baseName = fileInfo.baseName()
layer = QgsRasterLayer(fileName, baseName)
layer.setGrayBandName(layer.bandName(1))
layer.setDrawingStyle(QgsRasterLayer.SingleBandPseudoColor)
layer.setColorShadingAlgorithm(QgsRasterLayer.PseudoColorShader)
layer.saveDefaultStyle()
if not layer.isValid():
LOGGER.debug("Failed to load")
else:
# noinspection PyArgumentList
QgsMapLayerRegistry.instance().addMapLayer(layer)
self.done(self.Accepted)