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Python Raster.getBandsCount方法代码示例

本文整理汇总了Python中molusce.algorithms.dataprovider.Raster.getBandsCount方法的典型用法代码示例。如果您正苦于以下问题:Python Raster.getBandsCount方法的具体用法?Python Raster.getBandsCount怎么用?Python Raster.getBandsCount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molusce.algorithms.dataprovider.Raster的用法示例。


在下文中一共展示了Raster.getBandsCount方法的3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_save

# 需要导入模块: from molusce.algorithms.dataprovider import Raster [as 别名]
# 或者: from molusce.algorithms.dataprovider.Raster import getBandsCount [as 别名]
 def test_save(self):
     try:
         filename = 'temp.tiff'
         self.r1.save(filename)
         r2 = Raster(filename)
         self.assertEqual(r2.get_dtype(), self.r1.get_dtype())
         self.assertEqual(r2.getBandsCount(), self.r1.getBandsCount())
         for i in range(r2.getBandsCount()):
             assert_array_equal(r2.getBand(i+1), self.r1.getBand(i+1))
     finally:
         os.remove(filename)
开发者ID:asiaairsurvey,项目名称:molusce,代码行数:13,代码来源:test_dataprovider.py

示例2: TestRaster

# 需要导入模块: from molusce.algorithms.dataprovider import Raster [as 别名]
# 或者: from molusce.algorithms.dataprovider.Raster import getBandsCount [as 别名]
class TestRaster (unittest.TestCase):
    def setUp(self):
        self.r1 = Raster('examples/multifact.tif')
        self.r2 = Raster('examples/sites.tif')
        self.r3 = Raster('examples/two_band.tif')

        # r1
        data1 = np.array(
            [
                [1,1,3],
                [3,2,1],
                [0,3,1]
            ])
        # r2
        data2 = np.array(
            [
                [1,2,1],
                [1,2,1],
                [0,1,2]
            ])
        mask = [
            [False, False, False],
            [False, False, False],
            [False, False, False]
        ]
        self.data1 = ma.array(data=data1, mask=mask)
        self.data2 = ma.array(data=data2, mask=mask)

    def test_RasterInit(self):
        self.assertEqual(self.r1.getBandsCount(), 1)
        band = self.r1.getBand(1)
        shape = band.shape
        x = self.r1.getXSize()
        y = self.r1.getYSize()
        self.assertEqual(shape, (x,y))

        self.assertEqual(self.r2.getBandsCount(), 1)
        band = self.r2.getBand(1)
        assert_array_equal(band, self.data2)

        self.assertTrue(self.r1.geoDataMatch(self.r2))

        self.assertTrue(self.r1.isMetricProj())


    def test_getBandStat(self):
        stat = self.r1.getBandStat(1)
        self.assertAlmostEqual(stat['mean'], 15.0/9)
        self.assertAlmostEqual(stat['std'], np.sqrt(10.0/9))

    def test_normalize(self):
        multifact = [
            [1,1,3],
            [3,2,1],
            [0,3,1],
        ]

        # Normalize using std and mean
        r1 = Raster('examples/multifact.tif')
        r1.normalize()
        r1.denormalize()
        assert_array_equal(r1.getBand(1), multifact)

        # Normalize using min and max
        r1 = Raster('examples/multifact.tif')
        r1.normalize(mode='maxmin')
        r1.denormalize()
        assert_array_equal(r1.getBand(1), multifact)

        # Two normalization procedures
        r1 = Raster('examples/multifact.tif')
        r1.normalize()
        r1.normalize(mode='maxmin')
        r1.denormalize()
        assert_array_equal(r1.getBand(1), multifact)
        r1 = Raster('examples/multifact.tif')
        r1.normalize(mode='maxmin')
        r1.normalize()
        r1.denormalize()
        assert_array_equal(r1.getBand(1), multifact)


    def test_getNeighbours(self):
        neighbours = self.r2.getNeighbours(row=1,col=0, size=0)
        self.assertEqual(neighbours, [[1]])

        neighbours = self.r2.getNeighbours(row=1,col=1, size=1)
        assert_array_equal(neighbours, [self.data2])

        neighbours = self.r3.getNeighbours(row=1,col=1, size=1)
        assert_array_equal(neighbours, [self.data2, self.data1])

        # Check pixel on the raster bound and nonzero neighbour size
        self.assertRaises(ProviderError, self.r2.getNeighbours, col=1, row=0, size=1)
        self.assertRaises(ProviderError, self.r2.getNeighbours, col=1, row=1, size=2)

    def test_geodata(self):
        geodata = self.r1.getGeodata()
        self.r1.setGeoData(geodata)
        geodata['xSize'] = geodata['xSize'] + 10
#.........这里部分代码省略.........
开发者ID:asiaairsurvey,项目名称:molusce,代码行数:103,代码来源:test_dataprovider.py

示例3: test_create

# 需要导入模块: from molusce.algorithms.dataprovider import Raster [as 别名]
# 或者: from molusce.algorithms.dataprovider.Raster import getBandsCount [as 别名]
 def test_create(self):
     raster = Raster()
     raster.create([self.data1], geodata=self.r1.getGeodata())
     self.assertTrue(raster.geoDataMatch(self.r1))
     self.assertEqual(raster.getBandsCount(), 1)
     self.assertEqual(set(raster.getBandGradation(1)), set([0, 1, 2, 3]))
开发者ID:nextgis,项目名称:molusce,代码行数:8,代码来源:test_dataprovider.py


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