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Python Dataset.get_item方法代码示例

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


在下文中一共展示了Dataset.get_item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_get_item

# 需要导入模块: from pydicom.dataset import Dataset [as 别名]
# 或者: from pydicom.dataset.Dataset import get_item [as 别名]
    def test_get_item(self):
        """Test Dataset.get_item"""
        # TODO: Add test for deferred read
        ds = Dataset()
        ds.CommandGroupLength = 120  # 0000,0000
        ds.SOPInstanceUID = '1.2.3.4'  # 0008,0018

        # Test non-deferred read
        self.assertEqual(ds.get_item(0x00000000), ds[0x00000000])
        self.assertEqual(ds.get_item(0x00000000).value, 120)
        self.assertEqual(ds.get_item(0x00080018), ds[0x00080018])
        self.assertEqual(ds.get_item(0x00080018).value, '1.2.3.4')
开发者ID:glemaitre,项目名称:pydicom,代码行数:14,代码来源:test_dataset.py

示例2: test_get_item

# 需要导入模块: from pydicom.dataset import Dataset [as 别名]
# 或者: from pydicom.dataset.Dataset import get_item [as 别名]
    def test_get_item(self):
        """Test Dataset.get_item"""
        ds = Dataset()
        ds.CommandGroupLength = 120  # 0000,0000
        ds.SOPInstanceUID = '1.2.3.4'  # 0008,0018

        # Test non-deferred read
        assert ds.get_item(0x00000000) == ds[0x00000000]
        assert ds.get_item(0x00000000).value == 120
        assert ds.get_item(0x00080018) == ds[0x00080018]
        assert ds.get_item(0x00080018).value == '1.2.3.4'

        # Test deferred read
        test_file = get_testdata_files('MR_small.dcm')[0]
        ds = dcmread(test_file, force=True, defer_size='0.8 kB')
        ds_ref = dcmread(test_file, force=True)
        # get_item will follow the deferred read branch
        assert ds.get_item((0x7fe00010)).value == ds_ref.PixelData
开发者ID:moloney,项目名称:pydicom,代码行数:20,代码来源:test_dataset.py

示例3: test_get_item_slice

# 需要导入模块: from pydicom.dataset import Dataset [as 别名]
# 或者: from pydicom.dataset.Dataset import get_item [as 别名]
    def test_get_item_slice(self):
        """Test Dataset.get_item with slice argument"""
        # adapted from test_getitem_slice
        ds = Dataset()
        ds.CommandGroupLength = 120  # 0000,0000
        ds.CommandLengthToEnd = 111  # 0000,0001
        ds.Overlays = 12  # 0000,51B0
        ds.LengthToEnd = 12  # 0008,0001
        ds.SOPInstanceUID = '1.2.3.4'  # 0008,0018
        ds.SkipFrameRangeFlag = 'TEST'  # 0008,9460
        ds.add_new(0x00090001, 'PN', 'CITIZEN^1')
        ds.add_new(0x00090002, 'PN', 'CITIZEN^2')
        ds.add_new(0x00090003, 'PN', 'CITIZEN^3')
        elem = RawDataElement(0x00090004, 'PN', 9, b'CITIZEN^4', 0, True, True)
        ds.__setitem__(0x00090004, elem)
        elem = RawDataElement(0x00090005, 'PN', 9, b'CITIZEN^5', 0, True, True)
        ds.__setitem__(0x00090005, elem)
        elem = RawDataElement(0x00090006, 'PN', 9, b'CITIZEN^6', 0, True, True)
        ds.__setitem__(0x00090006, elem)
        ds.PatientName = 'CITIZEN^Jan'  # 0010,0010
        elem = RawDataElement(0x00100020, 'LO', 5, b'12345', 0, True, True)
        ds.__setitem__(0x00100020, elem)  # Patient ID
        ds.ExaminedBodyThickness = 1.223  # 0010,9431
        ds.BeamSequence = [Dataset()]  # 300A,00B0
        ds.BeamSequence[0].PatientName = 'ANON'

        # Slice all items - should return original dataset
        assert ds.get_item(slice(None, None)) == ds

        # Slice starting from and including (0008,0001)
        test_ds = ds.get_item(slice(0x00080001, None))
        assert 'CommandGroupLength' not in test_ds
        assert 'CommandLengthToEnd' not in test_ds
        assert 'Overlays' not in test_ds
        assert 'LengthToEnd' in test_ds
        assert 'BeamSequence' in test_ds

        # Slice ending at and not including (0009,0002)
        test_ds = ds.get_item(slice(None, 0x00090002))
        assert 'CommandGroupLength' in test_ds
        assert 'CommandLengthToEnd' in test_ds
        assert 'Overlays' in test_ds
        assert 'LengthToEnd' in test_ds
        assert 0x00090001 in test_ds
        assert 0x00090002 not in test_ds
        assert 'BeamSequence' not in test_ds

        # Slice with a step - every second tag
        # Should return zeroth tag, then second, fourth, etc...
        test_ds = ds.get_item(slice(None, None, 2))
        assert 'CommandGroupLength' in test_ds
        assert 'CommandLengthToEnd' not in test_ds
        assert 0x00090001 in test_ds
        assert 0x00090002 not in test_ds

        # Slice starting at and including (0008,0018) and ending at and not
        #   including (0009,0008)
        test_ds = ds.get_item(slice(0x00080018, 0x00090006))
        assert 'SOPInstanceUID' in test_ds
        assert 0x00090005 in test_ds
        assert 0x00090006 not in test_ds

        # Slice starting at and including (0008,0018) and ending at and not
        #   including (0009,0006), every third element
        test_ds = ds.get_item(slice(0x00080018, 0x00090008, 3))
        assert 'SOPInstanceUID' in test_ds
        assert 0x00090001 not in test_ds
        assert 0x00090002 in test_ds
        assert not test_ds.get_item(0x00090002).is_raw
        assert 0x00090003 not in test_ds
        assert 0x00090004 not in test_ds
        assert 0x00090005 in test_ds
        assert test_ds.get_item(0x00090005).is_raw
        assert 0x00090006 not in test_ds

        # Slice starting and ending (and not including) (0008,0018)
        assert ds.get_item(slice((0x0008, 0x0018),
                                 (0x0008, 0x0018))) == Dataset()

        # Test slicing using other acceptable Tag initialisations
        assert 'SOPInstanceUID' in ds.get_item(slice(0x00080018, 0x00080019))
        assert 'SOPInstanceUID' in ds.get_item(slice((0x0008, 0x0018),
                                                     (0x0008, 0x0019)))
        assert 'SOPInstanceUID' in ds.get_item(slice('0x00080018',
                                                     '0x00080019'))
开发者ID:kayarre,项目名称:pydicom,代码行数:87,代码来源:test_dataset.py


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