本文整理汇总了Python中pycmbs.data.Data._rasterize方法的典型用法代码示例。如果您正苦于以下问题：Python Data._rasterize方法的具体用法？Python Data._rasterize怎么用？Python Data._rasterize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pycmbs.data.Data的用法示例。
在下文中一共展示了Data._rasterize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: test_rasterize_init
# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import _rasterize [as 别名]
def test_rasterize_init(self):
x = Data(None, None)
x._init_sample_object(ny=1, nx=272)
x.lon = np.random.random(272)*10. + 5. # 5 ... 15
x.lat = np.random.random(272)*20. + 0. # 0 ... 20
lon = np.random.random((10,20))
lat = np.random.random((30,20))
with self.assertRaises(ValueError):
x._rasterize(lon, lat, radius=0.1)
lon = np.random.random((10,20))
lat = np.random.random((10,20))
with self.assertRaises(ValueError):
x._rasterize(lon, lat, radius=None)示例2: test_rasterize_data
# 需要导入模块: from pycmbs.data import Data [as 别名]
# 或者: from pycmbs.data.Data import _rasterize [as 别名]
def test_rasterize_data(self):
"""
testdataset
+---+---+---+
|1.2|2.3| |
+---+---+---+
| | |0.7|
+---+---+---+
| |5.2| |
+---+---+---+
"""
x = Data(None, None)
x._init_sample_object(ny=1, nx=272)
x.lon = np.asarray([2.25, 2.45, 1.8, 3.6])
x.lat = np.asarray([11.9, 10.1, 10.2, 11.3])
x.data = np.asarray([5.2, 2.3, 1.2, 0.7])
# target grid
lon = np.asarray([1.5, 2.5, 3.5])
lat = np.asarray([10., 11., 12.])
LON, LAT = np.meshgrid(lon, lat)
# rasterize data
# no valid data
res = x._rasterize(LON, LAT, radius=0.000001, return_object=True)
self.assertEqual(res.data.mask.sum(), np.prod(LON.shape))
with self.assertRaises(ValueError):
res = x._rasterize(LON, LAT, radius=0.000001, return_object=False)
# check valid results
res = x._rasterize(LON, LAT, radius=0.5, return_object=True)
self.assertEqual(res.data[0,0], 1.2)
self.assertEqual(res.data[0,1], 2.3)
self.assertEqual(res.data[1,2], 0.7)
self.assertEqual(res.ny*res.nx - res.data.mask.sum(), 4)