java.lang.Object
- ucar.nc2.grib.grib2.Grib2Pds

```
@Immutable
public abstract class Grib2Pds
extends Object
```
Abstract superclass for GRIB2 PDS handling. Inner classes are specific to each template.

Since:

3/28/11

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`Grib2Pds.PdsAerosol`
`static interface`	`Grib2Pds.PdsEnsemble`
`static interface`	`Grib2Pds.PdsEnsembleDerived`
`static interface`	`Grib2Pds.PdsInterval`
`static interface`	`Grib2Pds.PdsPercentile`
`static interface`	`Grib2Pds.PdsProbability`
`static interface`	`Grib2Pds.PdsSatellite`
`static interface`	`Grib2Pds.PdsSpatialInterval`
`static class`	`Grib2Pds.SatelliteBand`
`static class`	`Grib2Pds.TimeInterval`

Field Summary

Fields
Modifier and Type Field Description

protected byte[] input

protected int template

Constructor Summary

Constructors
Modifier Constructor Description

protected Grib2Pds(byte[] input)
Constructs a Grib2PDSVariables object from a byte[].

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected CalendarDate`	`calcTime(int startIndex)`
`static Grib2Pds`	`factory(int template, byte[] input)`	Factory for Grib2Pds
`int`	`getBackProcessId()`	Get Background generating process identifier (defined by originating centre)
`int`	`getExtraCoordinatesCount()`	Number of coordinate values at end of template.
`int`	`getForecastTime()`	Forecast time in units of getTimeUnit() forecast time for points, should not be used for intervals
`int`	`getGenProcessId()`	Forecast/Analysis generating process identifier (defined by originating centre).
`int`	`getGenProcessType()`	Type of Generating Process (Code Table 4.3)
`int`	`getInt4StartingAtOctet(int index)`
`int`	`getLevelScale1()`
`int`	`getLevelScale2()`
`int`	`getLevelType1()`
`int`	`getLevelType2()`
`double`	`getLevelValue1()`
`double`	`getLevelValue2()`
`int`	`getOctet(int index)`	Get the index'th byte in the PDS as an unsigned integer.
`int`	`getOctetSigned(int index)`
`int`	`getParameterCategory()`	Parameter Category
`int`	`getParameterNumber()`	Parameter Number
`int`	`getRawLength()`
`protected double`	`getScaledValue(int start)`
`int`	`getStatisticalProcessType()`
`int`	`getTemplateNumber()`	product Definition template, Table 4.0
`abstract int`	`getTimeUnit()`	Indicator of unit of time range (see Code table 4.4)
`boolean`	`isAerosol()`
`boolean`	`isEnsemble()`
`boolean`	`isEnsembleDerived()`
`boolean`	`isPercentile()`
`boolean`	`isProbability()`
`boolean`	`isSatellite()`
`boolean`	`isSpatialInterval()`
`boolean`	`isTimeInterval()`
`void`	`show(Formatter f)`
`abstract int`	`templateLength()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - input
```
protected final byte[] input
```
  - template
```
protected final int template
```
- Constructor Detail
  - Grib2Pds
```
protected Grib2Pds(byte[] input)
```
    Constructs a Grib2PDSVariables object from a byte[].
    
    Parameters:
    
    input - raw bytes
- Method Detail
  - factory
```
@Nullable
public static Grib2Pds factory(int template,
                               byte[] input)
```
    Factory for Grib2Pds
    
    Parameters:
    
    template - pds template number
    
    input - raw bytes
    
    Returns:
    
    Grib2Pds or null on error
  - templateLength
```
public abstract int templateLength()
```
  - getExtraCoordinatesCount
```
public int getExtraCoordinatesCount()
```
    Number of coordinate values at end of template.
    
    Returns:
    
    Coordinates number
  - getTemplateNumber
```
public final int getTemplateNumber()
```
    product Definition template, Table 4.0
    
    Returns:
    
    ProductDefinition
  - getParameterCategory
```
public final int getParameterCategory()
```
    Parameter Category
    
    Returns:
    
    parameterCategory as int
  - getParameterNumber
```
public final int getParameterNumber()
```
    Parameter Number
    
    Returns:
    
    ParameterNumber
  - getGenProcessType
```
public int getGenProcessType()
```
    Type of Generating Process (Code Table 4.3)
    
    Returns:
    
    Type of Generating Process
  - getGenProcessId
```
public int getGenProcessId()
```
    Forecast/Analysis generating process identifier (defined by originating centre).
    For NCEP, apparently http://www.nco.ncep.noaa.gov/pmb/docs/on388/tablea.html as linked from here: http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_temp4-0.shtml
    
    Returns:
    
    generating process id
  - getBackProcessId
```
public int getBackProcessId()
```
    Get Background generating process identifier (defined by originating centre)
    
    Returns:
    
    Background generating process identifier
  - getTimeUnit
```
public abstract int getTimeUnit()
```
    Indicator of unit of time range (see Code table 4.4)
    
    Returns:
    
    unit of time range
  - getForecastTime
```
public int getForecastTime()
```
    Forecast time in units of getTimeUnit() forecast time for points, should not be used for intervals
    
    Returns:
    
    Forecast time
  - getLevelValue1
```
public double getLevelValue1()
```
  - getLevelScale1
```
public int getLevelScale1()
```
  - getLevelValue2
```
public double getLevelValue2()
```
  - getLevelType1
```
public int getLevelType1()
```
  - getLevelType2
```
public int getLevelType2()
```
  - getLevelScale2
```
public int getLevelScale2()
```
  - isAerosol
```
public boolean isAerosol()
```
  - isEnsemble
```
public boolean isEnsemble()
```
  - isEnsembleDerived
```
public boolean isEnsembleDerived()
```
  - isProbability
```
public boolean isProbability()
```
  - isTimeInterval
```
public boolean isTimeInterval()
```
  - isSpatialInterval
```
public boolean isSpatialInterval()
```
  - isSatellite
```
public boolean isSatellite()
```
  - isPercentile
```
public boolean isPercentile()
```
  - show
```
public void show(Formatter f)
```
  - getOctet
```
public final int getOctet(int index)
```
    Get the index'th byte in the PDS as an unsigned integer. THIS IS ONE BASED (not zero) to correspond with the manual. Will throw Exception if index is out of bounds.
    
    Parameters:
    
    index - 1 based index
    
    Returns:
    
    input[index-1] & 0xff
  - getInt4StartingAtOctet
```
public final int getInt4StartingAtOctet(int index)
```
  - getOctetSigned
```
public final int getOctetSigned(int index)
```
  - getRawLength
```
public final int getRawLength()
```
  - getScaledValue
```
protected double getScaledValue(int start)
```
  - getStatisticalProcessType
```
public int getStatisticalProcessType()
```
  - calcTime
```
protected CalendarDate calcTime(int startIndex)
```

Class Grib2Pds

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

input

template

Constructor Detail

Grib2Pds

Method Detail

factory

templateLength

getExtraCoordinatesCount

getTemplateNumber

getParameterCategory

getParameterNumber

getGenProcessType

getGenProcessId

getBackProcessId

getTimeUnit

getForecastTime

getLevelValue1

getLevelScale1

getLevelValue2

getLevelType1

getLevelType2

getLevelScale2

isAerosol

isEnsemble

isEnsembleDerived

isProbability

isTimeInterval

isSpatialInterval

isSatellite

isPercentile

show

getOctet

getInt4StartingAtOctet

getOctetSigned

getRawLength

getScaledValue

getStatisticalProcessType

calcTime