visad.data.mcidas
Class AREACoordinateSystem

java.lang.Object
  extended by visad.CoordinateSystem
      extended by visad.georef.NavigatedCoordinateSystem
          extended by visad.georef.MapProjection
              extended by visad.data.mcidas.AREACoordinateSystem
All Implemented Interfaces:
java.io.Serializable

public class AREACoordinateSystem
extends MapProjection

AREACoordinateSystem is the VisAD CoordinateSystem class for conversions to/from (Latitude, Longitude) and Cartesian (element,line), and with Latitude and Longitude in degrees.

See Also:
Serialized Form

Constructor Summary
AREACoordinateSystem(AreaFile af)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
AREACoordinateSystem(int[] dir, int[] nav)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
AREACoordinateSystem(int[] dir, int[] nav, int[] aux)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
AREACoordinateSystem(RealTupleType ref, AreaFile af)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
AREACoordinateSystem(RealTupleType reference, int[] dir, int[] nav)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
AREACoordinateSystem(RealTupleType reference, int[] dir, int[] nav, int[] aux)
          create a AREA coordinate system from the Area file's directory and navigation blocks.
 
Method Summary
 boolean equals(java.lang.Object obj)
          Determines whether or not the Object in question is the same as this AREACoordinateSystem.
 double[][] fromReference(double[][] tuples)
          convert from latitude,longitude to image element,line
 float[][] fromReference(float[][] tuples)
          convert from latitude,longitude to image element,line
 java.awt.geom.Rectangle2D getDefaultMapArea()
          Get the bounds for this image
 int[] getDirBlock()
          Get the directory block used to initialize this AREACoordinateSystem
 int[] getNavBlock()
          Get the navigation block used to initialize this AREACoordinateSystem
 double[][] toReference(double[][] tuples)
          convert from image element,line to latitude,longitude
 float[][] toReference(float[][] tuples)
          convert from image element,line to latitude,longitude
 
Methods inherited from class visad.georef.MapProjection
isLatLonOrder, isXYOrder, toString
 
Methods inherited from class visad.georef.NavigatedCoordinateSystem
getLatitudeIndex, getLongitudeIndex
 
Methods inherited from class visad.CoordinateSystem
canConvert, checkTable, fromReference, getCoordinateSystemUnits, getDimension, getReference, getReferenceUnits, toReference, transformCoordinates, transformCoordinates, transformCoordinatesFreeUnits, transformCoordinatesFreeUnits
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AREACoordinateSystem

public AREACoordinateSystem(AreaFile af)
                     throws VisADException,
                            AreaFileException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
df - is the associated AreaFile
Throws:
VisADException
AreaFileException

AREACoordinateSystem

public AREACoordinateSystem(RealTupleType ref,
                            AreaFile af)
                     throws VisADException,
                            AreaFileException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
reference - the CoordinateSystem reference (must be equivalent to RealTupleType.LatitudeLongitudeTuple)
df - is the associated AreaFile
Throws:
VisADException
AreaFileException

AREACoordinateSystem

public AREACoordinateSystem(int[] dir,
                            int[] nav)
                     throws VisADException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
dir[] - is the AREA file directory block
nav[] - is the AREA file navigation block
Throws:
VisADException

AREACoordinateSystem

public AREACoordinateSystem(int[] dir,
                            int[] nav,
                            int[] aux)
                     throws VisADException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
dir[] - is the AREA file directory block
nav[] - is the AREA file navigation block
aux[] - is the AREA file auxillary block
Throws:
VisADException

AREACoordinateSystem

public AREACoordinateSystem(RealTupleType reference,
                            int[] dir,
                            int[] nav)
                     throws VisADException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
reference - the CoordinateSystem reference (must be equivalent to RealTupleType.LatitudeLongitudeTuple)
dir[] - is the AREA file directory block
nav[] - is the AREA file navigation block
Throws:
VisADException

AREACoordinateSystem

public AREACoordinateSystem(RealTupleType reference,
                            int[] dir,
                            int[] nav,
                            int[] aux)
                     throws VisADException
create a AREA coordinate system from the Area file's directory and navigation blocks. This routine uses a flipped Y axis (first line of the image file is number 0)

Parameters:
reference - the CoordinateSystem reference (must be equivalent to RealTupleType.LatitudeLongitudeTuple)
dir[] - is the AREA file directory block
nav[] - is the AREA file navigation block
aux[] - is the AREA file auxillary block
Throws:
VisADException
Method Detail

getDirBlock

public int[] getDirBlock()
Get the directory block used to initialize this AREACoordinateSystem


getNavBlock

public int[] getNavBlock()
Get the navigation block used to initialize this AREACoordinateSystem


toReference

public double[][] toReference(double[][] tuples)
                       throws VisADException
convert from image element,line to latitude,longitude

Specified by:
toReference in class CoordinateSystem
Parameters:
tuples - contains the element,line pairs to convert
Throws:
VisADException

fromReference

public double[][] fromReference(double[][] tuples)
                         throws VisADException
convert from latitude,longitude to image element,line

Specified by:
fromReference in class CoordinateSystem
Parameters:
tuples - contains the element,line pairs to convert
Throws:
VisADException

toReference

public float[][] toReference(float[][] tuples)
                      throws VisADException
convert from image element,line to latitude,longitude

Overrides:
toReference in class CoordinateSystem
Parameters:
tuples - contains the element,line pairs to convert
Throws:
VisADException

fromReference

public float[][] fromReference(float[][] tuples)
                        throws VisADException
convert from latitude,longitude to image element,line

Overrides:
fromReference in class CoordinateSystem
Parameters:
tuples - contains the element,line pairs to convert
Throws:
VisADException

getDefaultMapArea

public java.awt.geom.Rectangle2D getDefaultMapArea()
Get the bounds for this image

Specified by:
getDefaultMapArea in class MapProjection
Returns:
the bounding box of the MapProjection

equals

public boolean equals(java.lang.Object obj)
Determines whether or not the Object in question is the same as this AREACoordinateSystem. The specified Object is equal to this AREACoordinateSystem if it is an instance of AREACoordinateSystem and it has the same navigation module and default map area as this one.

Specified by:
equals in class CoordinateSystem
Parameters:
obj - the Object in question