Package ucar.nc2.grib.grib2

Class Grib2Record

java.lang.Object

ucar.nc2.grib.grib2.Grib2Record

public class Grib2Record
extends Object

Read one Record from a GRIB-2 files

Since:

3/28/11

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	getlastRecordRead
static Grib2Record	lastRecordRead
int	repeat

Constructor Summary

Constructors

Constructor	Description
Grib2Record(byte[] header, Grib2SectionIndicator is, Grib2SectionIdentification id, Grib2SectionLocalUse lus, Grib2SectionGridDefinition gdss, Grib2SectionProductDefinition pdss, Grib2SectionDataRepresentation drs, Grib2SectionBitMap bms, Grib2SectionData dataSection, boolean bmsReplaced, int scanMode)	Construction for Grib2Record.

Method Summary

Modifier and Type	Method	Description
void	check(ucar.unidata.io.RandomAccessFile raf, Formatter f)
GribData.Info	getBinaryDataInfo(ucar.unidata.io.RandomAccessFile raf)
Grib2SectionBitMap	getBitmapSection()
Grib2SectionDataRepresentation	getDataRepresentationSection()
Grib2SectionData	getDataSection()
int	getDiscipline()
int	getFile()
Grib2Gds	getGDS()
Grib2SectionGridDefinition	getGDSsection()
byte[]	getHeader()
Grib2SectionIdentification	getId()
Grib2SectionIndicator	getIs()
Grib2SectionLocalUse	getLocalUseSection()
Grib2Pds	getPDS()
Grib2SectionProductDefinition	getPDSsection()
ucar.nc2.time.CalendarDate	getReferenceDate()
int	getScanMode()
boolean	hasLocalUseSection()
boolean	isBmsReplaced()
float[]	readData(ucar.unidata.io.RandomAccessFile raf)
float[]	readData(ucar.unidata.io.RandomAccessFile raf, long drsPos)	Read data array
static float[]	readData(ucar.unidata.io.RandomAccessFile raf, long drsPos, long bmsPos, int gdsNumberPoints, int scanMode, int nx, int ny, int[] nptsInLine)	Read data array: use when you want to be independent of the GribRecord
Grib2Drs.Type40	readDataTest(ucar.unidata.io.RandomAccessFile raf)
int[]	readRawData(ucar.unidata.io.RandomAccessFile raf)
void	setBms(Grib2SectionBitMap bms, boolean replaced)
void	setDataSection(Grib2SectionData dataSection)
void	setDrs(Grib2SectionDataRepresentation drs)
void	setFile(int file)
void	setGdss(Grib2SectionGridDefinition gdss)
void	setLus(Grib2SectionLocalUse lus)
void	setPdss(Grib2SectionProductDefinition pdss)
void	show(Formatter f)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

repeat

public int repeat

getlastRecordRead

public static boolean getlastRecordRead

lastRecordRead

public static Grib2Record lastRecordRead

Constructor Detail

Grib2Record

public Grib2Record(byte[] header,
                   Grib2SectionIndicator is,
                   Grib2SectionIdentification id,
                   Grib2SectionLocalUse lus,
                   Grib2SectionGridDefinition gdss,
                   Grib2SectionProductDefinition pdss,
                   Grib2SectionDataRepresentation drs,
                   Grib2SectionBitMap bms,
                   Grib2SectionData dataSection,
                   boolean bmsReplaced,
                   int scanMode)

Construction for Grib2Record.

Parameters:

header - Grib header

is - Grib2IndicatorSection

id - Grib2IdentificationSection

lus - raw bytes of local use section

gdss - Grib2GridDefinitionSection

pdss - Grib2ProductDefinitionSection

drs - Grib2SectionDataRepresentation

bms - Grib2SectionBitMap

dataSection - Grib2SectionData

bmsReplaced - Grib2SectionData

scanMode - from GDS of this record

Method Detail

getHeader

public byte[] getHeader()

getIs

public Grib2SectionIndicator getIs()

getId

public Grib2SectionIdentification getId()

hasLocalUseSection

public boolean hasLocalUseSection()

getLocalUseSection

public Grib2SectionLocalUse getLocalUseSection()

getGDSsection

public Grib2SectionGridDefinition getGDSsection()

getPDSsection

public Grib2SectionProductDefinition getPDSsection()

getDataRepresentationSection

public Grib2SectionDataRepresentation getDataRepresentationSection()

getBitmapSection

public Grib2SectionBitMap getBitmapSection()

getDataSection

public Grib2SectionData getDataSection()

getDiscipline

public int getDiscipline()

getReferenceDate

public ucar.nc2.time.CalendarDate getReferenceDate()

getPDS

public Grib2Pds getPDS()

getGDS

public Grib2Gds getGDS()

getScanMode

public int getScanMode()

show

public void show(Formatter f)

setLus

public void setLus(Grib2SectionLocalUse lus)

setGdss

public void setGdss(Grib2SectionGridDefinition gdss)

setPdss

public void setPdss(Grib2SectionProductDefinition pdss)

setDrs

public void setDrs(Grib2SectionDataRepresentation drs)

setBms

public void setBms(Grib2SectionBitMap bms,
                   boolean replaced)

setDataSection

public void setDataSection(Grib2SectionData dataSection)

getFile

public int getFile()

setFile

public void setFile(int file)

isBmsReplaced

public boolean isBmsReplaced()

toString

public String toString()

Overrides:

toString in class Object

readData

public float[] readData(ucar.unidata.io.RandomAccessFile raf)
                 throws IOException

Throws:

IOException

readRawData

@Nullable
public int[] readRawData(ucar.unidata.io.RandomAccessFile raf)
                  throws IOException

Throws:

IOException

readDataTest

@Nullable
public Grib2Drs.Type40 readDataTest(ucar.unidata.io.RandomAccessFile raf)
                             throws IOException

Throws:

IOException

readData

public float[] readData(ucar.unidata.io.RandomAccessFile raf,
                        long drsPos)
                 throws IOException

Read data array

Parameters:

raf - from this RandomAccessFile

drsPos - Grib2SectionDataRepresentation starts here

Returns:

data as float[] array

Throws:

IOException - on read error

readData

public static float[] readData(ucar.unidata.io.RandomAccessFile raf,
                               long drsPos,
                               long bmsPos,
                               int gdsNumberPoints,
                               int scanMode,
                               int nx,
                               int ny,
                               int[] nptsInLine)
                        throws IOException

Read data array: use when you want to be independent of the GribRecord

Parameters:

raf - from this RandomAccessFile

drsPos - Grib2SectionDataRepresentation starts here

bmsPos - if non-zero, use the bms that starts here

gdsNumberPoints - gdss.getNumberPoints()

scanMode - gds.scanMode

nx - gds.nx

Returns:

data as float[] array

Throws:

IOException - on read error

check

public void check(ucar.unidata.io.RandomAccessFile raf,
                  Formatter f)
           throws IOException

Throws:

IOException

getBinaryDataInfo

public GribData.Info getBinaryDataInfo(ucar.unidata.io.RandomAccessFile raf)
                                throws IOException

Throws:

IOException