Grib2GDSVariables (GRIB IOSP and Feature Collection 4.3.19 API)

java.lang.Object
- ucar.grib.grib2.Grib2GDSVariables

All Implemented Interfaces:

GribGDSVariablesIF
```
public class Grib2GDSVariables
extends Object
implements GribGDSVariablesIF
```
Representing the grid definition section (GDS) of a GRIB record as variables are extracted from a byte[]. This is section 3 of a Grib record that contains information about the grid

Field Summary
- Fields inherited from interface ucar.grib.GribGDSVariablesIF
  tenToNegSix, tenToNegThree, tenToSix, tenToThree

Constructor Summary

Constructors
Constructor and Description

Grib2GDSVariables(byte[] input)
Constructs a Grib2GDSVariables object from a byte[].

Constructors
Constructor and Description
`Grib2GDSVariables(byte[] input)` Constructs a Grib2GDSVariables object from a byte[].

Method Summary

Methods
Modifier and Type	Method and Description
`long`	`calcCRC()`
`int`	`calculateNx()` Gets the Maximum number of points in a parallel for Quasi/Thin grids
`float`	`get80La1()` octet 47-50.
`float`	`get80Lo1()` octet 51-54.
`int`	`get80TypeGdsKey()` gdsKey for version 8.0
`int`	`getAngle()` octet 61-64.
`int`	`getBasicAngle()` octet 39-42.
`float`	`getDx()` octet 64-67.
`float`	`getDy()` octet 68-71.
`float`	`getEarthRadius()` EarthRadius
`byte[]`	`getGDSBytes()` GDS as byte[]
`int`	`getGdsKey()` .
`int`	`getGdtn()` Get type of grid.
`String`	`getGridUnits()` GridUnits
`int`	`getInt(int index)` Converts byte to int.
`int`	`getIolon()` octet 12 are extreme points in the quasi regular grid.
`float`	`getLa1()` octet 47-50.
`float`	`getLa2()` octet 56-59.
`float`	`getLaD()` octet 48-51.
`float`	`getLap()` octet 39-42.
`float`	`getLatin1()` octet 66-69.
`float`	`getLatin2()` octet 70-73.
`int`	`getLength()`
`float`	`getLo1()` octet 51-54.
`float`	`getLo2()` octet 60-63.
`float`	`getLop()` octet 43-46.
`float`	`getLoV()` octet 52-55.
`float`	`getMajorAxis()` MajorAxis
`float`	`getMinorAxis()` MinorAxis
`int`	`getN()` octet 61-62.
`int`	`getNp()` octet 68-71.
`float`	`getNr()` octet 69-72.
`int`	`getNumberPoints()` octets 7-10 number of data points .
`int`	`getNx()` octet 31-34.
`int`	`getNy()` octet 35-38.
`int`	`getOlon()` octet 11 olon > 0 is a quasi regular grid.
`int[]`	`getParallels()` Gets the number of points in each parallel for Quasi/Thin grids
`float`	`getPoleLat()` octet 85-88.
`float`	`getPoleLon()` octet 89-92.
`int`	`getProjectionFlag()` octet 64.
`int`	`getResolution()` octet 55.
`float`	`getRotationAngle()` octet 81-84.
`int`	`getScaleFactorMajor()` octet 21.
`int`	`getScaleFactorMinor()` octet 26.
`int`	`getScaleFactorRadius()` octet 16.
`int`	`getScaleValueMajor()` octet 22-25.
`int`	`getScaleValueMinor()` octet 27-30.
`int`	`getScaleValueRadius()` octet 17-20.
`int`	`getScanMode()` octet 72.
`int`	`getSection()` octet 5 Number of this section, should be 3.
`int`	`getShape()` octet 15.
`int`	`getSource()` octet 6 source of grid definition.
`float`	`getSpLat()` octet 73-76.
`float`	`getSpLon()` octet 77-80.
`float`	`getStretchingFactor()` octet 93-96.
`int`	`getSubDivisions()` octet 43-46.
`int`	`getUnscaledLa1()` octet 47-50.
`int`	`getUnscaledLo1()` octet 51-54.
`float`	`getXo()` octet 73-76.
`float`	`getXp()` octet 56-59.
`float`	`getYo()` octet 77-80.
`float`	`getYp()` octet 60-63.

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

- Constructor Detail
  - Grib2GDSVariables
```
public Grib2GDSVariables(byte[] input)
                  throws IOException
```
    Constructs a Grib2GDSVariables object from a byte[].
    
    Parameters:
    input - PDS
    
    Throws:
    
    IOException - if raf contains no valid GRIB file
- Method Detail
  - getGDSBytes
```
public byte[] getGDSBytes()
```
    GDS as byte[]
    
    Specified by:
    
    getGDSBytes in interface GribGDSVariablesIF
    
    Returns:
    input as byte[]
  - calcCRC
```
public long calcCRC()
```
  - getLength
```
public final int getLength()
```
    Specified by:
    
    getLength in interface GribGDSVariablesIF
  - getSection
```
public final int getSection()
```
    octet 5 Number of this section, should be 3.
    
    Specified by:
    
    getSection in interface GribGDSVariablesIF
    
    Returns:
    section as int
  - getSource
```
public final int getSource()
```
    octet 6 source of grid definition.
    
    Specified by:
    
    getSource in interface GribGDSVariablesIF
    
    Returns:
    source
  - getNumberPoints
```
public final int getNumberPoints()
```
    octets 7-10 number of data points .
    
    Specified by:
    
    getNumberPoints in interface GribGDSVariablesIF
    
    Returns:
    numberPoints
  - getOlon
```
public final int getOlon()
```
    octet 11 olon > 0 is a quasi regular grid.
    
    Specified by:
    
    getOlon in interface GribGDSVariablesIF
    
    Returns:
    olon
  - getIolon
```
public final int getIolon()
```
    octet 12 are extreme points in the quasi regular grid.
    
    Specified by:
    
    getIolon in interface GribGDSVariablesIF
    
    Returns:
    iolon
  - getGdtn
```
public final int getGdtn()
```
    Get type of grid.
    
    Specified by:
    
    getGdtn in interface GribGDSVariablesIF
    
    Returns:
    type of grid
  - getShape
```
public final int getShape()
```
    octet 15.
    
    Specified by:
    
    getShape in interface GribGDSVariablesIF
    
    Returns:
    shape as a int
  - getScaleFactorRadius
```
public final int getScaleFactorRadius()
```
    octet 16.
    
    Returns:
    scaleFactorRadius as a int
  - getScaleValueRadius
```
public final int getScaleValueRadius()
```
    octet 17-20.
    
    Returns:
    scaleValueRadius as a int
  - getScaleFactorMajor
```
public final int getScaleFactorMajor()
```
    octet 21.
    
    Returns:
    scaleFactorMajor as a int
  - getScaleValueMajor
```
public final int getScaleValueMajor()
```
    octet 22-25.
    
    Returns:
    scaleValueMajor as a int
  - getScaleFactorMinor
```
public final int getScaleFactorMinor()
```
    octet 26.
    
    Returns:
    scaleFactorMinor as a int
  - getScaleValueMinor
```
public final int getScaleValueMinor()
```
    octet 27-30.
    
    Returns:
    scaleValueMinor as a int
  - getNx
```
public final int getNx()
```
    octet 31-34.
    
    Specified by:
    
    getNx in interface GribGDSVariablesIF
    
    Returns:
    Number of points on x-axis or parallel as a int
  - getNy
```
public final int getNy()
```
    octet 35-38.
    
    Specified by:
    
    getNy in interface GribGDSVariablesIF
    
    Returns:
    Number of points on y-axis or meridian as a int
  - getLap
```
public final float getLap()
```
    octet 39-42.
    
    Specified by:
    
    getLap in interface GribGDSVariablesIF
    
    Returns:
    Lap as float
  - getLop
```
public final float getLop()
```
    octet 43-46.
    
    Specified by:
    
    getLop in interface GribGDSVariablesIF
    
    Returns:
    Lop as float
  - getBasicAngle
```
public final int getBasicAngle()
```
    octet 39-42.
    
    Returns:
    BasicAngle as a int
  - getSubDivisions
```
public final int getSubDivisions()
```
    octet 43-46.
    
    Specified by:
    
    getSubDivisions in interface GribGDSVariablesIF
    
    Returns:
    SubDivisions as a int
  - getLa1
```
public final float getLa1()
```
    octet 47-50.
    
    Specified by:
    
    getLa1 in interface GribGDSVariablesIF
    
    Returns:
    La1 as float
  - getUnscaledLa1
```
public final int getUnscaledLa1()
```
    octet 47-50. Used in creating GdsKey from ints
    
    Returns:
    La1 as int
  - get80La1
```
public final float get80La1()
```
    octet 47-50.
    
    Returns:
    La1 as float
  - getLo1
```
public final float getLo1()
```
    octet 51-54.
    
    Specified by:
    
    getLo1 in interface GribGDSVariablesIF
    
    Returns:
    Lo1 as float
  - getUnscaledLo1
```
public final int getUnscaledLo1()
```
    octet 51-54. used to create a gdsKey from ints
    
    Returns:
    Lo1 int
  - get80Lo1
```
public final float get80Lo1()
```
    octet 51-54.
    
    Returns:
    Lo1 as float
  - getResolution
```
public final int getResolution()
```
    octet 55.
    
    Specified by:
    
    getResolution in interface GribGDSVariablesIF
    
    Returns:
    Resolution as int
  - getLaD
```
public final float getLaD()
```
    octet 48-51.
    
    Specified by:
    
    getLaD in interface GribGDSVariablesIF
    
    Returns:
    LaD as float
  - getLoV
```
public final float getLoV()
```
    octet 52-55.
    
    Specified by:
    
    getLoV in interface GribGDSVariablesIF
    
    Returns:
    LoV as float
  - getLa2
```
public final float getLa2()
```
    octet 56-59.
    
    Specified by:
    
    getLa2 in interface GribGDSVariablesIF
    
    Returns:
    La2 as float
  - getLo2
```
public final float getLo2()
```
    octet 60-63.
    
    Specified by:
    
    getLo2 in interface GribGDSVariablesIF
    
    Returns:
    Lo2 as float
  - getDx
```
public final float getDx()
```
    octet 64-67.
    
    Specified by:
    
    getDx in interface GribGDSVariablesIF
    
    Returns:
    Dx as float
  - getDy
```
public final float getDy()
```
    octet 68-71.
    
    Specified by:
    
    getDy in interface GribGDSVariablesIF
    
    Returns:
    Dy as float
  - getXp
```
public final float getXp()
```
    octet 56-59.
    
    Specified by:
    
    getXp in interface GribGDSVariablesIF
    
    Returns:
    Xp as float
  - getYp
```
public final float getYp()
```
    octet 60-63.
    
    Specified by:
    
    getYp in interface GribGDSVariablesIF
    
    Returns:
    Yp as float
  - getNp
```
public final int getNp()
```
    octet 68-71.
    
    Specified by:
    
    getNp in interface GribGDSVariablesIF
    
    Returns:
    Np as a int
  - getN
```
public final int getN()
```
    octet 61-62.
    
    Returns:
    N as a int
  - getProjectionFlag
```
public final int getProjectionFlag()
```
    octet 64.
    
    Specified by:
    
    getProjectionFlag in interface GribGDSVariablesIF
    
    Returns:
    ProjectionFlag as int
  - getScanMode
```
public final int getScanMode()
```
    octet 72.
    
    Specified by:
    
    getScanMode in interface GribGDSVariablesIF
    
    Returns:
    ScanMode as int
  - getLatin1
```
public final float getLatin1()
```
    octet 66-69.
    
    Specified by:
    
    getLatin1 in interface GribGDSVariablesIF
    
    Returns:
    Latin1 as float
  - getLatin2
```
public final float getLatin2()
```
    octet 70-73.
    
    Specified by:
    
    getLatin2 in interface GribGDSVariablesIF
    
    Returns:
    Latin2 as float
  - getAngle
```
public final int getAngle()
```
    octet 61-64.
    
    Specified by:
    
    getAngle in interface GribGDSVariablesIF
    
    Returns:
    Angle as float
  - getNr
```
public final float getNr()
```
    octet 69-72.
    
    Specified by:
    
    getNr in interface GribGDSVariablesIF
    
    Returns:
    Nr as float
  - getXo
```
public final float getXo()
```
    octet 73-76.
    
    Specified by:
    
    getXo in interface GribGDSVariablesIF
    
    Returns:
    Xo as float
  - getYo
```
public final float getYo()
```
    octet 77-80.
    
    Specified by:
    
    getYo in interface GribGDSVariablesIF
    
    Returns:
    Yo as float
  - getSpLat
```
public final float getSpLat()
```
    octet 73-76.
    
    Specified by:
    
    getSpLat in interface GribGDSVariablesIF
    
    Returns:
    SpLat as float
  - getSpLon
```
public final float getSpLon()
```
    octet 77-80.
    
    Specified by:
    
    getSpLon in interface GribGDSVariablesIF
    
    Returns:
    SpLon as float
  - getRotationAngle
```
public final float getRotationAngle()
```
    octet 81-84.
    
    Specified by:
    
    getRotationAngle in interface GribGDSVariablesIF
    
    Returns:
    RotationAngle as float
  - getPoleLat
```
public final float getPoleLat()
```
    octet 85-88.
    
    Specified by:
    
    getPoleLat in interface GribGDSVariablesIF
    
    Returns:
    PoleLat as float
  - getPoleLon
```
public final float getPoleLon()
```
    octet 89-92.
    
    Specified by:
    
    getPoleLon in interface GribGDSVariablesIF
    
    Returns:
    PoleLon as float
  - getStretchingFactor
```
public final float getStretchingFactor()
```
    octet 93-96.
    
    Specified by:
    
    getStretchingFactor in interface GribGDSVariablesIF
    
    Returns:
    StretchingFactor as float
  - getMajorAxis
```
public final float getMajorAxis()
```
    MajorAxis
    
    Specified by:
    
    getMajorAxis in interface GribGDSVariablesIF
    
    Returns:
    MajorAxis as float
  - getMinorAxis
```
public final float getMinorAxis()
```
    MinorAxis
    
    Specified by:
    
    getMinorAxis in interface GribGDSVariablesIF
    
    Returns:
    MajorAxis as float
  - getEarthRadius
```
public final float getEarthRadius()
```
    EarthRadius
    
    Specified by:
    
    getEarthRadius in interface GribGDSVariablesIF
    
    Returns:
    EarthRadius as float
  - getGridUnits
```
public final String getGridUnits()
```
    GridUnits
    
    Specified by:
    
    getGridUnits in interface GribGDSVariablesIF
    
    Returns:
    GridUnits as String
  - calculateNx
```
public final int calculateNx()
```
    Gets the Maximum number of points in a parallel for Quasi/Thin grids
    
    Returns:
    parallels as int[]
  - getParallels
```
public final int[] getParallels()
```
    Gets the number of points in each parallel for Quasi/Thin grids
    
    Returns:
    parallels as int[]
  - getGdsKey
```
public final int getGdsKey()
```
    Description copied from interface: GribGDSVariablesIF
    
    .
    
    Specified by:
    
    getGdsKey in interface GribGDSVariablesIF
    
    Returns:
    gdsKey as int
  - get80TypeGdsKey
```
public final int get80TypeGdsKey()
```
    gdsKey for version 8.0
    
    Returns:
    gdsKey as int
  - getInt
```
public final int getInt(int index)
```
    Converts byte to int.
    
    Parameters:
    index - in the byte[] to convert
    
    Returns:
    int byte as int

Class Grib2GDSVariables

Field Summary

Fields inherited from interface ucar.grib.GribGDSVariablesIF

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Grib2GDSVariables

Method Detail

getGDSBytes

calcCRC

getLength

getSection

getSource

getNumberPoints

getOlon

getIolon

getGdtn

getShape

getScaleFactorRadius

getScaleValueRadius

getScaleFactorMajor

getScaleValueMajor

getScaleFactorMinor

getScaleValueMinor

getNx

getNy

getLap

getLop

getBasicAngle

getSubDivisions

getLa1

getUnscaledLa1

get80La1

getLo1

getUnscaledLo1

get80Lo1

getResolution

getLaD

getLoV

getLa2

getLo2

getDx

getDy

getXp

getYp

getNp

getN

getProjectionFlag

getScanMode

getLatin1

getLatin2

getAngle

getNr

getXo

getYo

getSpLat

getSpLon

getRotationAngle

getPoleLat

getPoleLon

getStretchingFactor

getMajorAxis

getMinorAxis

getEarthRadius

getGridUnits

calculateNx

getParallels

getGdsKey

get80TypeGdsKey

getInt