Package ucar.unidata.data.radar

Class Level2Adapter

java.lang.Object
ucar.unidata.data.radar.Level2Adapter
All Implemented Interfaces:
RadarAdapter, RadarConstants
public class Level2Adapter extends Object implements RadarAdapter
Adapt an Archive Level II file to a VisAD data structure.
Version:
$Revision: 1.111 $
Author:
IDV Development team

  • Constructor Details

  • Method Details

    • clearCachedData

      public void clearCachedData()
      Implement the interce. For now lets not do anything
      Specified by:
      clearCachedData in interface RadarAdapter

    • getBaseTime

      public DateTime getBaseTime()
      Get the starting time of this Volume
      Specified by:
      getBaseTime in interface RadarAdapter
      Returns:
      starting time

    • getAngles

      public double[] getAngles()
      Get the array of sweep tilts in this files volume scan.
      Returns:
      tilts

    • setRadarLocation

      public void setRadarLocation(EarthLocation el) throws VisADException, RemoteException
      Set the radar location
      Parameters:
      el - location of the radar
      Throws:
      VisADException - couldn't create VisAD object
      RemoteException - couldn't create remote object

    • getData

      public DataImpl getData(DataChoice choice, DataSelection ds, Hashtable requestProperties) throws VisADException, RemoteException
      Get the data for this DataChoice
      Specified by:
      getData in interface RadarAdapter
      Parameters:
      choice - choice describing the data
      ds - sub-selection criteria
      requestProperties - extra request criteria (e.g, used to get RHI azimuth)
      Returns:
      VisAD Data object corresponding to this DataChoice
      Throws:
      VisADException - couldn't create VisAD object
      RemoteException - couldn't create remote object

    • getCut

      public FlatField getCut(int moment, double elevation) throws VisADException, RemoteException
      Get a 2D sweep of a particular moment at the specified elevation angle.
      Parameters:
      moment - moment (REFLECTIVITY, VELOCITY, SPECTRUM_WIDTH) of data
      elevation - elevation angle
      Returns:
      a FlatField representation of the cut
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • getCut

      public FlatField getCut(int moment, double elevation, boolean want3D) throws VisADException, RemoteException
      Get a 2D sweep of a particular moment at the specified elevation angle.
      Parameters:
      moment - moment (REFLECTIVITY, VELOCITY, SPECTRUM_WIDTH) of data
      elevation - elevation angle
      want3D - true if you want this as a 3-D field
      Returns:
      a 2- or 3-D FlatField representation of the cut
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • getVWP

      public FlatField getVWP(double altitudeLimit) throws VisADException, RemoteException
      Make a data object to display in the IDV as a VAD Wind Profile. for one time.
      Parameters:
      altitudeLimit - typically 10 to 15 km; highest wind used.
      Returns:
      VWP for the given altitude limit
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • getRHI

      public FieldImpl getRHI(int moment, double rhiAz) throws VisADException, RemoteException
      Get an RHI for the given azimuth
      Parameters:
      moment - moment (REFLECTIVITY, VELOCITY, SPECTRUM_WIDTH) of data
      rhiAz - azimuth for the RHI
      Returns:
      RHI as a Field of FlatFields, each for a particular elevation angle
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • getCAPPI

      public FieldImpl getCAPPI(int moment, Real level) throws VisADException, RemoteException
      Get a CAPPI for the given moment at the given level
      Parameters:
      moment - moment (REFLECTIVITY, VELOCITY, SPECTRUM_WIDTH) of data
      level - level (Altitude)
      Returns:
      CAPPI as a Field
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • toString

      public String toString()
      String representation of this adapter.
      Overrides:
      toString in class Object
      Returns:
      String representation of this object

    • getName

      public String getName()
      Return the name of the file
      Specified by:
      getName in interface RadarAdapter
      Returns:
      name

    • getVolume

      public FlatField getVolume(int moment) throws VisADException, RemoteException
      Makes a field of all data from one level II file (one volume scan); which is composed of severla azimuthal sweeps at different angles (titls, elevations) above the horizontal. Character of data field when plotted with ColorRadarVolumeControl is colored data point values (pixels) along beam lines, forming semi-transparent nested cones, not filled surfaces.
      Parameters:
      moment - moment (REFLECTIVITY, VELOCITY, SPECTRUM_WIDTH) of data
      Returns:
      volume as a FieldImpl
      Throws:
      RemoteException - couldn't create remote object
      VisADException - couldn't create VisAD object

    • getStations

      public static NamedStationTable getStations()
      Read in the nexrad stations from the idv/resources/nexradstns.xml resource
      Returns:
      List of of NamedStation-s

    • getMomentName

      public static String getMomentName(int moment)
      Print out the name of the moment.
      Parameters:
      moment - radar moment (ex: REFLECTIVITY)
      Returns:
      a String name of the moment (ex: "Reflectivity");

    • doRemove

      public void doRemove()
      Clean up whatever we need to when we are removed.
      Specified by:
      doRemove in interface RadarAdapter