ucar.grib.grib2
Class Grib2PDSVariables

java.lang.Object
  ucar.grib.grib2.Grib2PDSVariables

All Implemented Interfaces:

GribPDSVariablesIF

public final class Grib2PDSVariables
extends java.lang.Object
implements GribPDSVariablesIF

Representing the product definition section (PDS) of a GRIB product as variables extracted from a byte[]. This is section 4 of a Grib record that contains information about the parameter

Constructor Summary

Grib2PDSVariables(byte[] input)
Constructs a Grib2PDSVariables object from a byte[].

Method Summary

int	calculateForecast(int idx, int forecastTime) calculateForecast.
int	getAnalysisGenProcess() analysisGenProcess.
int	getBackGenProcess() backGenProcess.
int	getChemicalType() ChemicalType.
int	getCoordinates() Number of this coordinates.
int	getForecastPercentile() ForecastPercentile.
int	getForecastProbability() ForecastProbability.
int	getForecastTime() forecastTime.
int[]	getForecastTimeInterval() forecastTimeInterval for accumalation type variables.
int	getHoursAfter() hoursAfter.
int	getInt(int index) Converts byte to int.
int	getLength()
int	getMinutesAfter() minutesAfter.
int	getNB() Number Bands.
int	getNumberForecasts() number of forecasts.
int	getObservationProcess() ObservationProcess.
int	getParameterCategory() parameter Category .
int	getParameterNumber() parameter Number.
byte[]	getPDSBytes() PDS as byte[]
int	getPerturbation() Perturbation number
int	getProductDefinition() productDefinition.
int	getSection() octet 5 Number of this section, should be 4.
int	getTimeRangeUnit() returns timeRangeUnit .
int	getType() Type of Derived Code table 4.7.
int	getTypeFirstFixedSurface() typeFirstFixedSurface.
int	getTypeGenProcess() type of Generating Process.
int	getTypeSecondFixedSurface() typeSecondFixedSurface.
float	getValueFirstFixedSurface() FirstFixedSurfaceValue
float	getValueLowerLimit() ValueLowerLimit
float	getValueSecondFixedSurface() SecondFixedSurfaceValue
float	getValueUpperLimit() ValueUpperLimit
boolean	isEnsemble() Ensemble type data.

Methods inherited from class java.lang.Object

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

Constructor Detail

Grib2PDSVariables

public Grib2PDSVariables(byte[] input)
                  throws java.io.IOException

Constructs a Grib2PDSVariables object from a byte[].

Parameters:

input - PDS

Throws:

java.io.IOException - if raf contains no valid GRIB file

Method Detail

getPDSBytes

public byte[] getPDSBytes()

PDS as byte[]

Specified by:

getPDSBytes in interface GribPDSVariablesIF

Returns:

PDS bytes

getLength

public final int getLength()

Specified by:

getLength in interface GribPDSVariablesIF

getSection

public final int getSection()

octet 5 Number of this section, should be 4.

Specified by:

getSection in interface GribPDSVariablesIF

Returns:

section number

getCoordinates

public final int getCoordinates()

Number of this coordinates.

Specified by:

getCoordinates in interface GribPDSVariablesIF

Returns:

Coordinates number

getProductDefinition

public final int getProductDefinition()

productDefinition.

Specified by:

getProductDefinition in interface GribPDSVariablesIF

Returns:

ProductDefinition

getParameterCategory

public final int getParameterCategory()

parameter Category .

Specified by:

getParameterCategory in interface GribPDSVariablesIF

Returns:

parameterCategory as int

getParameterNumber

public final int getParameterNumber()

parameter Number.

Specified by:

getParameterNumber in interface GribPDSVariablesIF

Returns:

ParameterNumber

getTypeGenProcess

public final int getTypeGenProcess()

type of Generating Process.

Specified by:

getTypeGenProcess in interface GribPDSVariablesIF

Returns:

GenProcess

getChemicalType

public final int getChemicalType()

ChemicalType.

Specified by:

getChemicalType in interface GribPDSVariablesIF

Returns:

ChemicalType

getBackGenProcess

public final int getBackGenProcess()

backGenProcess.

Specified by:

getBackGenProcess in interface GribPDSVariablesIF

Returns:

BackGenProcess

getObservationProcess

public final int getObservationProcess()

ObservationProcess.

Specified by:

getObservationProcess in interface GribPDSVariablesIF

Returns:

ObservationProcess

getNB

public final int getNB()

Number Bands.

Specified by:

getNB in interface GribPDSVariablesIF

Returns:

NB

getAnalysisGenProcess

public final int getAnalysisGenProcess()

analysisGenProcess.

Specified by:

getAnalysisGenProcess in interface GribPDSVariablesIF

Returns:

analysisGenProcess

getHoursAfter

public final int getHoursAfter()

hoursAfter.

Specified by:

getHoursAfter in interface GribPDSVariablesIF

Returns:

HoursAfter

getMinutesAfter

public final int getMinutesAfter()

minutesAfter.

Specified by:

getMinutesAfter in interface GribPDSVariablesIF

Returns:

MinutesAfter

getTimeRangeUnit

public final int getTimeRangeUnit()

returns timeRangeUnit .

Specified by:

getTimeRangeUnit in interface GribPDSVariablesIF

Returns:

TimeRangeUnitName

getForecastTime

public final int getForecastTime()

forecastTime.

Specified by:

getForecastTime in interface GribPDSVariablesIF

Returns:

ForecastTime

calculateForecast

public final int calculateForecast(int idx,
                                   int forecastTime)

calculateForecast.

Parameters:

idx - where to start in the byte[]

forecastTime - initial forecast time

Returns:

calculateForecast as int

getForecastTimeInterval

public final int[] getForecastTimeInterval()

forecastTimeInterval for accumalation type variables.

Returns:

ForecastTimeInterval int[] start, end of interval

getTypeFirstFixedSurface

public final int getTypeFirstFixedSurface()

typeFirstFixedSurface.

Specified by:

getTypeFirstFixedSurface in interface GribPDSVariablesIF

Returns:

FirstFixedSurface as int

getValueFirstFixedSurface

public float getValueFirstFixedSurface()

FirstFixedSurfaceValue

Specified by:

getValueFirstFixedSurface in interface GribPDSVariablesIF

Returns:

float FirstFixedSurfaceValue

getTypeSecondFixedSurface

public final int getTypeSecondFixedSurface()

typeSecondFixedSurface.

Specified by:

getTypeSecondFixedSurface in interface GribPDSVariablesIF

Returns:

SecondFixedSurface as int

getValueSecondFixedSurface

public float getValueSecondFixedSurface()

SecondFixedSurfaceValue

Specified by:

getValueSecondFixedSurface in interface GribPDSVariablesIF

Returns:

float SecondFixedSurfaceValue

isEnsemble

public final boolean isEnsemble()

Ensemble type data.

Returns:

ensemble type of data

getType

public final int getType()

Type of Derived Code table 4.7. Type of Ensemble code table 4.6 Type of Probability code table 4.9

Specified by:

getType in interface GribPDSVariablesIF

Returns:

int Type Derived, Ensemble, or Probability

getForecastProbability

public final int getForecastProbability()

ForecastProbability.

Specified by:

getForecastProbability in interface GribPDSVariablesIF

Returns:

int ForecastProbability

getForecastPercentile

public final int getForecastPercentile()

ForecastPercentile.

Specified by:

getForecastPercentile in interface GribPDSVariablesIF

Returns:

int ForecastPercentile

getPerturbation

public final int getPerturbation()

Perturbation number

Specified by:

getPerturbation in interface GribPDSVariablesIF

Returns:

int Perturbation

getNumberForecasts

public final int getNumberForecasts()

number of forecasts.

Specified by:

getNumberForecasts in interface GribPDSVariablesIF

Returns:

int

getValueLowerLimit

public final float getValueLowerLimit()

ValueLowerLimit

Specified by:

getValueLowerLimit in interface GribPDSVariablesIF

Returns:

float ValueLowerLimit

getValueUpperLimit

public final float getValueUpperLimit()

ValueUpperLimit

Specified by:

getValueUpperLimit in interface GribPDSVariablesIF

Returns:

float ValueUpperLimit

getInt

public final int getInt(int index)

Converts byte to int.

Parameters:

index - in the byte[] to convert

Returns:

int byte as int