程序包 org.meteoinfo.data

类 TableUtil

java.lang.Object

org.meteoinfo.data.TableUtil

public class TableUtil
extends Object

作者:

yaqiang

构造器概要

构造器

构造器	说明
TableUtil()

方法概要

修饰符和类型	方法	说明
static DataTable	ave_Month(List<org.meteoinfo.ndarray.Array> data, List<String> colNames, List<LocalDateTime> time)	Average month by month
static String	getDateFormat(String dt)	Get date format string
static List<String>	getFormats(String formatSpec)	Get format list
static List<String>	getYearMonths(List<LocalDateTime> time)	Get year months
static TableData	readASCIIFile(String fileName, String delimiter, int headerLines, String formatSpec, String encoding, boolean readVarNames)	Read data table from ASCII file
static TableData	readASCIIFile(String fileName, String delimiter, int headerLines, String formatSpec, String encoding, boolean readVarNames, List<Object> usecolsin)	Read data table from ASCII file
static org.meteoinfo.ndarray.DataType	toDataTypes(String dt)	To data type - MeteoInfo

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

TableUtil

public TableUtil()

方法详细资料

readASCIIFile

public static TableData readASCIIFile(String fileName,
                                      String delimiter,
                                      int headerLines,
                                      String formatSpec,
                                      String encoding,
                                      boolean readVarNames)
                               throws FileNotFoundException,
                                      IOException,
                                      Exception

Read data table from ASCII file

参数:

fileName - File name

delimiter - Delimiter

headerLines - Number of lines to skip at begining of the file

formatSpec - Format specifiers string

encoding - Fle encoding

readVarNames - Read variable names or not

返回:

TableData object

抛出:

FileNotFoundException

IOException

Exception

readASCIIFile

public static TableData readASCIIFile(String fileName,
                                      String delimiter,
                                      int headerLines,
                                      String formatSpec,
                                      String encoding,
                                      boolean readVarNames,
                                      List<Object> usecolsin)
                               throws FileNotFoundException,
                                      IOException,
                                      Exception

Read data table from ASCII file

参数:

fileName - File name

delimiter - Delimiter

headerLines - Number of lines to skip at begining of the file

formatSpec - Format specifiers string

encoding - Fle encoding

readVarNames - Read variable names or not

usecolsin - Filter columns by column names or indices

返回:

TableData object

抛出:

FileNotFoundException

IOException

Exception

getFormats

public static List<String> getFormats(String formatSpec)

Get format list

参数:

formatSpec - Input format specific string

返回:

Format list

toDataTypes

public static org.meteoinfo.ndarray.DataType toDataTypes(String dt)

To data type - MeteoInfo

参数:

dt - Data type string

返回:

Data type

getDateFormat

public static String getDateFormat(String dt)

Get date format string

参数:

dt - Format string

返回:

Date format string

ave_Month

public static DataTable ave_Month(List<org.meteoinfo.ndarray.Array> data,
                                  List<String> colNames,
                                  List<LocalDateTime> time)
                           throws Exception

Average month by month

参数:

data - Data array list

colNames - Column names

time - Time list

返回:

Result data table

抛出:

Exception

getYearMonths

public static List<String> getYearMonths(List<LocalDateTime> time)

Get year months

参数:

time - Date list

返回:

Year month list