ucar.nc2.iosp.nexrad2

Class Level2VolumeScan

java.lang.Object

ucar.nc2.iosp.nexrad2.Level2VolumeScan

public class Level2VolumeScan
extends java.lang.Object

This class reads a NEXRAD level II data file. It can handle NCDC archives (ARCHIVE2), as well as CRAFT/IDD compressed files (AR2V0001).

Adapted with permission from the Java Iras software developed by David Priegnitz at NSSL.

Documentation on Archive Level II data format can be found at: http://www.ncdc.noaa.gov/oa/radar/leveliidoc.html

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	AR2V0001
static java.lang.String	AR2V0002
static java.lang.String	AR2V0003
static java.lang.String	AR2V0004
static java.lang.String	AR2V0006
static java.lang.String	AR2V0007
static java.lang.String	ARCHIVE2

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDataFormat() Get data format (ARCHIVE2, AR2V0001) for this file.
int	getDopplarResolution()
java.util.Date	getEndDate()
java.util.List<java.util.List<Level2Record>>	getHighResCoeffocientGroups()
java.util.List<java.util.List<Level2Record>>	getHighResDiffPhaseGroups()
java.util.List<java.util.List<Level2Record>>	getHighResDiffReflectGroups()
java.util.List<java.util.List<Level2Record>>	getHighResReflectivityGroups()
java.util.List<java.util.List<Level2Record>>	getHighResSpectrumGroups()
java.util.List<java.util.List<Level2Record>>	getHighResVelocityGroups()
int	getMaxRadials(int r)
int	getMinRadials(int r)
java.util.List<java.util.List<Level2Record>>	getReflectivityGroups() Get Reflectivity Groups Groups are all the records for a variable and elevation_num;
java.util.Date	getStartDate()
double	getStationElevation()
java.lang.String	getStationId() Get the 4-char station ID for this data
double	getStationLatitude()
double	getStationLongitude()
java.lang.String	getStationName()
int	getTitleJulianDays() Get the starting Julian day for this volume
int	getTitleMsecs() Get the starting time in seconds since midnight.
int	getVCP() Get the Volume Coverage Pattern number for this data.
java.util.List<java.util.List<Level2Record>>	getVelocityGroups() Get Velocity Groups Groups are all the records for a variable and elevation_num;
boolean	hasDifferentDopplarResolutions()
boolean	hasHighResolutions(int dt)
static long	testValid(java.lang.String ufilename)

Methods inherited from class java.lang.Object

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

Field Detail

ARCHIVE2

public static final java.lang.String ARCHIVE2

See Also:

Constant Field Values

AR2V0001

public static final java.lang.String AR2V0001

See Also:

Constant Field Values

AR2V0002

public static final java.lang.String AR2V0002

See Also:

Constant Field Values

AR2V0003

public static final java.lang.String AR2V0003

See Also:

Constant Field Values

AR2V0004

public static final java.lang.String AR2V0004

See Also:

Constant Field Values

AR2V0006

public static final java.lang.String AR2V0006

See Also:

Constant Field Values

AR2V0007

public static final java.lang.String AR2V0007

See Also:

Constant Field Values

Method Detail

getMaxRadials

public int getMaxRadials(int r)

getMinRadials

public int getMinRadials(int r)

getDopplarResolution

public int getDopplarResolution()

hasDifferentDopplarResolutions

public boolean hasDifferentDopplarResolutions()

hasHighResolutions

public boolean hasHighResolutions(int dt)

getReflectivityGroups

public java.util.List<java.util.List<Level2Record>> getReflectivityGroups()

Get Reflectivity Groups Groups are all the records for a variable and elevation_num;

Returns:

List of type List of type Level2Record

getVelocityGroups

public java.util.List<java.util.List<Level2Record>> getVelocityGroups()

Get Velocity Groups Groups are all the records for a variable and elevation_num;

Returns:

List of type List of type Level2Record

getHighResVelocityGroups

public java.util.List<java.util.List<Level2Record>> getHighResVelocityGroups()

getHighResReflectivityGroups

public java.util.List<java.util.List<Level2Record>> getHighResReflectivityGroups()

getHighResSpectrumGroups

public java.util.List<java.util.List<Level2Record>> getHighResSpectrumGroups()

getHighResDiffReflectGroups

public java.util.List<java.util.List<Level2Record>> getHighResDiffReflectGroups()

getHighResDiffPhaseGroups

public java.util.List<java.util.List<Level2Record>> getHighResDiffPhaseGroups()

getHighResCoeffocientGroups

public java.util.List<java.util.List<Level2Record>> getHighResCoeffocientGroups()

getDataFormat

public java.lang.String getDataFormat()

Get data format (ARCHIVE2, AR2V0001) for this file.

Returns:

data format (ARCHIVE2, AR2V0001) for this file.

getTitleJulianDays

public int getTitleJulianDays()

Get the starting Julian day for this volume

Returns:

days since 1/1/70.

getTitleMsecs

public int getTitleMsecs()

Get the starting time in seconds since midnight.

Returns:

Generation time of data in milliseconds of day past midnight (UTC).

getVCP

public int getVCP()

Get the Volume Coverage Pattern number for this data.

Returns:

VCP

See Also:

Level2Record.getVolumeCoveragePatternName(int)

getStationId

public java.lang.String getStationId()

Get the 4-char station ID for this data

Returns:

station ID (may be null)

getStationName

public java.lang.String getStationName()

getStationLatitude

public double getStationLatitude()

getStationLongitude

public double getStationLongitude()

getStationElevation

public double getStationElevation()

getStartDate

public java.util.Date getStartDate()

getEndDate

public java.util.Date getEndDate()

testValid

public static long testValid(java.lang.String ufilename)
                      throws java.io.IOException

Throws:

java.io.IOException