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Python OCO_Matrix.data[:,column_idx]方法代码示例

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


在下文中一共展示了OCO_Matrix.data[:,column_idx]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: Process_File

# 需要导入模块: from OCO_Matrix import OCO_Matrix [as 别名]
# 或者: from OCO_Matrix.OCO_Matrix import data[:,column_idx] [as 别名]
def Process_File(source, destination, fileKeywords, moduleSections, valuesDict, mapDict):
    logger = logging.getLogger(os.path.basename(__file__))

    # Load existing file
    matrix_obj = OCO_Matrix(source)

    for realizeSect in moduleSections:

        # Add ability to specify cols individually or using a * to goto end
        covariance = Apply_Template(realizeSect.Get_Keyword_Value('covariance'), valuesDict, mapDict=mapDict)
        column     = Apply_Template(realizeSect.Get_Keyword_Value('column'), valuesDict, mapDict=mapDict)

        if type(column) is ListType:
            raise TypeError('Only one column can be modified per file')

        if covariance == None or len(covariance) == 0:
            raise IOError('covariance file is not specified')

        if not os.path.exists(covariance):
            raise IOError('covariance file does not exist: %s' % covariance)

        cov_obj = OCO_Matrix(covariance)

        rand_factors = [ random.normalvariate(0,1) for i in range(matrix_obj.dims[0]) ]
        (eigen_val, eigen_vec) = linalg.eigh(cov_obj.data)

        try:
            column_idx = int(column)
        except:
            if column == None:
                raise IOError('column named not defined for source file: %s' % (source))
            elif not column.lower() in matrix_obj.labels_lower:
                raise IOError('column named %s not found in source file: %s' % (column, source))

            column_idx = matrix_obj.labels_lower.index(column.lower())

        update_vals = dot(eigen_vec.transpose(), (rand_factors* sqrt(eigen_val)))
        matrix_obj.data[:, column_idx] = matrix_obj.data[:, column_idx] + update_vals

    matrix_obj.write(destination)
开发者ID:E-LLP,项目名称:RtRetrievalFramework,代码行数:42,代码来源:covariance_realization.py

示例2: write_spectra_files

# 需要导入模块: from OCO_Matrix import OCO_Matrix [as 别名]
# 或者: from OCO_Matrix.OCO_Matrix import data[:,column_idx] [as 别名]
def write_spectra_files(output_dir, ids, data):
    for curr_id, curr_data in zip(ids, data):
        out_filename = '%s/%s.dat' % (output_dir, curr_id)
        used_data = []
        
        out_obj = OCO_Matrix()
        out_obj.labels = FILE_LABELS
        out_obj.units  = FILE_UNITS
        out_obj.file_id = FILE_ID_TMPL % (curr_id)

        out_obj.data = numpy.zeros((curr_data['Num_Points'], len(FILE_LABELS)), dtype=float)
        used_data.append('Num_Points')
        for column_idx, column_name in enumerate(FILE_LABELS):
            if curr_data.has_key(column_name):
                out_obj.data[:, column_idx] = curr_data[column_name]
                used_data.append(column_name)

        header_dict = copy.copy(curr_data)
        header_dict.update(HEADER_FILL_VALUES)
        for data_name, data_values in header_dict.items():
            if data_name in used_data:
                continue

            out_name = translate_header_name(data_name)

            try:
                if len(data_values.shape) == 0:
                    out_obj.header[out_name] = str(data_values)
                else:
                    out_obj.header[out_name] = ' '.join([ str(item) for item in iter(data_values)])
            except:
                try:
                    out_obj.header[out_name] = str(data_values)
                except:
                    print >>sys.stderr, 'Barfed on parsing %s with values: %s for header of file %s' % (data_name, data_values, out_filename)

        print 'Writing: %s' % out_filename
        out_obj.write(out_filename)
开发者ID:E-LLP,项目名称:RtRetrievalFramework,代码行数:40,代码来源:extract_gosat_spectra.py


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