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Python DataArray.attrs[att]方法代码示例

本文整理汇总了Python中xarray.DataArray.attrs[att]方法的典型用法代码示例。如果您正苦于以下问题:Python DataArray.attrs[att]方法的具体用法?Python DataArray.attrs[att]怎么用?Python DataArray.attrs[att]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xarray.DataArray的用法示例。


在下文中一共展示了DataArray.attrs[att]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: cyclic_dataarray

# 需要导入模块: from xarray import DataArray [as 别名]
# 或者: from xarray.DataArray import attrs[att] [as 别名]
def cyclic_dataarray(da, coord='lon'):
    """ Add a cyclic coordinate point to a DataArray along a specified
    named coordinate dimension.

    >>> from xarray import DataArray
    >>> data = DataArray([[1, 2, 3], [4, 5, 6]],
    ...                      coords={'x': [1, 2], 'y': range(3)},
    ...                      dims=['x', 'y'])
    >>> cd = cyclic_dataarray(data, 'y')
    >>> print cd.data
    array([[1, 2, 3, 1],
           [4, 5, 6, 4]])
    """
    assert isinstance(da, DataArray)

    lon_idx = da.dims.index(coord)
    cyclic_data, cyclic_coord = add_cyclic_point(da.values,
                                                 coord=da.coords[coord],
                                                 axis=lon_idx)

    # Copy and add the cyclic coordinate and data
    new_coords = dict(da.coords)
    new_coords[coord] = cyclic_coord
    new_values = cyclic_data

    new_da = DataArray(new_values, dims=da.dims, coords=new_coords)

    # Copy the attributes for the re-constructed data and coords
    for att, val in da.attrs.items():
        new_da.attrs[att] = val
    for c in da.coords:
        for att in da.coords[c].attrs:
            new_da.coords[c].attrs[att] = da.coords[c].attrs[att]

    return new_da
开发者ID:darothen,项目名称:marc_analysis,代码行数:37,代码来源:convert.py

示例2: _master_dataarray

# 需要导入模块: from xarray import DataArray [as 别名]
# 或者: from xarray.DataArray import attrs[att] [as 别名]
def _master_dataarray(exp, data_dict):

    all_case_vals = exp.all_case_vals()
    first_case = next(exp.all_cases())
    proto = data_dict[first_case]

    n_case_vals = [ len(case_vals) for case_vals in all_case_vals ]
    n_cases = len(n_case_vals)

    new_dims = exp.cases + [str(x) for x in proto.dims]
    new_values = empty(n_case_vals + list(proto.values.shape))
    it = nditer(empty(n_case_vals), flags=['multi_index', ])

    # The logic of this iterator is slightly complicated, but what we're
    # doing is constructing an n-dimensional array where n is the number
    # of cases we're considering. We're looping over the *indices* of that
    # dimension, and performing a lookup in the record of all the case values
    # for all the dimensions (all_case_vals) to create the key which
    # corresponds to this data in the data dictionary which holds the data.
    while not it.finished:
        indx = it.multi_index
        case_indx = tuple([ all_case_vals[n][i] \
                            for i, n in zip(indx, range(n_cases)) ])
        new_values[indx] = data_dict[case_indx].values
        it.iternext()

    # Copy and add the case coordinates
    new_coords = dict(proto.coords)
    for case, vals in zip(exp.cases, all_case_vals):
        new_coords[case] = vals

    da_new = DataArray(new_values, dims=new_dims, coords=new_coords)

    # Copy the attributes for act/aer coords, data itself
    for att, val in proto.attrs.items():
        da_new.attrs[att] = val
    for case, long, _ in exp.itercases():
        da_new.coords[case].attrs['long_name'] = long

    return da_new
开发者ID:darothen,项目名称:marc_analysis,代码行数:42,代码来源:convert.py


注:本文中的xarray.DataArray.attrs[att]方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。