本文整理汇总了Python中qgis.core.QgsRasterLayer.rasterUnitsPerPixel方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRasterLayer.rasterUnitsPerPixel方法的具体用法？Python QgsRasterLayer.rasterUnitsPerPixel怎么用？Python QgsRasterLayer.rasterUnitsPerPixel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.rasterUnitsPerPixel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: test_clipRaster
# 需要导入模块: from qgis.core import QgsRasterLayer [as 别名]
# 或者: from qgis.core.QgsRasterLayer import rasterUnitsPerPixel [as 别名]
def test_clipRaster(self):
"""Raster layers can be clipped
"""
# Create a raster layer
myName = 'shake'
myRasterLayer = QgsRasterLayer(RASTERPATH, myName)
msg = 'Did not find layer "%s" in path "%s"' % (myName,
RASTERPATH)
assert myRasterLayer is not None, msg
# Create a bounding box
myRect = [97, -3, 104, 1]
# Clip the vector to the bbox
myResult = clipLayer(myRasterLayer, myRect)
# Check the output is valid
assert os.path.exists(myResult)
# Clip and give a desired resolution for the output
mySize = 0.05
myResult = clipLayer(myRasterLayer, myRect, mySize)
myNewRasterLayer = QgsRasterLayer(myResult, myName)
assert myNewRasterLayer.isValid(), 'Resampled raster is not valid'
msg = ('Resampled raster has incorrect pixel size.'
'Expected: %f, Actual: %f' %
(mySize, myNewRasterLayer.rasterUnitsPerPixel()))
assert myNewRasterLayer.rasterUnitsPerPixel() == mySize, msg