ucar.nc2.iosp.grid
Class GridServiceProvider

java.lang.Object
  ucar.nc2.iosp.AbstractIOServiceProvider
      ucar.nc2.iosp.grid.GridServiceProvider

All Implemented Interfaces:

IOServiceProvider

Direct Known Subclasses:

GempakGridServiceProvider, McIDASGridServiceProvider

public abstract class GridServiceProvider
extends AbstractIOServiceProvider

An IOSP for Gempak Grid data

Version:

$Revision: 1.3 $

Author:

IDV Development Team

Field Summary

static boolean	addLatLon TODO: flag for whether to add lat/lon coordinates
protected static boolean	debugMissing debug flags
protected static boolean	debugMissingDetails debug flags
protected static boolean	debugOpen debug flags
protected static boolean	debugProj debug flags
protected static boolean	debugTiming debug flags
protected static boolean	debugVert debug flags
protected FmrcCoordSys	fmrcCoordSys FMRC coordinate system
protected NetcdfFile	ncfile The netCDF file
protected java.lang.StringBuilder	parseInfo place to store debug stuff
protected RandomAccessFile	raf the file we are reading
static boolean	useMaximalCoordSys flag for using maximal coordinate system

Constructor Summary

GridServiceProvider()

Method Summary

protected abstract float[]	_readData(GridRecord gr) Read the data for this GridRecord
void	close() Close this IOSP
java.lang.String	getDetailInfo() Get the detail information
protected abstract void	open(GridIndex index, CancelTask cancelTask) Open the index and create the netCDF file from that
void	open(RandomAccessFile raf, NetcdfFile ncfile, CancelTask cancelTask) Open the service provider for reading.
Array	readData(Variable v2, Section section) Read the data for the variable
java.lang.Object	sendIospMessage(java.lang.Object special) Send an IOSP message
static void	setDebugFlags(DebugFlags debugFlag) Set the debug flags
boolean	syncExtend() Sync and extend
static void	useMaximalCoordSys(boolean b) Set whether to use the maximal coordinate system or not

Methods inherited from class ucar.nc2.iosp.AbstractIOServiceProvider

createValidNetcdfObjectName, getStructureIterator, readSection, readToByteChannel, sync, toStringDebug

Methods inherited from class java.lang.Object

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

Methods inherited from interface ucar.nc2.iosp.IOServiceProvider

isValidFile

Field Detail

fmrcCoordSys

protected FmrcCoordSys fmrcCoordSys

FMRC coordinate system

ncfile

protected NetcdfFile ncfile

The netCDF file

raf

protected RandomAccessFile raf

the file we are reading

parseInfo

protected java.lang.StringBuilder parseInfo

place to store debug stuff

debugOpen

protected static boolean debugOpen

debug flags

debugMissing

protected static boolean debugMissing

debug flags

debugMissingDetails

protected static boolean debugMissingDetails

debug flags

debugProj

protected static boolean debugProj

debug flags

debugTiming

protected static boolean debugTiming

debug flags

debugVert

protected static boolean debugVert

debug flags

addLatLon

public static boolean addLatLon

TODO: flag for whether to add lat/lon coordinates

useMaximalCoordSys

public static boolean useMaximalCoordSys

flag for using maximal coordinate system

Constructor Detail

GridServiceProvider

public GridServiceProvider()

Method Detail

useMaximalCoordSys

public static void useMaximalCoordSys(boolean b)

Set whether to use the maximal coordinate system or not

Parameters:

b - true to use

setDebugFlags

public static void setDebugFlags(DebugFlags debugFlag)

Set the debug flags

Parameters:

debugFlag - debug flags

open

protected abstract void open(GridIndex index,
                             CancelTask cancelTask)
                      throws java.io.IOException

Open the index and create the netCDF file from that

Parameters:

index - GridIndex to use

cancelTask - cancel task

Throws:

java.io.IOException - problem reading the file

open

public void open(RandomAccessFile raf,
                 NetcdfFile ncfile,
                 CancelTask cancelTask)
          throws java.io.IOException

Open the service provider for reading.

Parameters:

raf - file to read from

ncfile - netCDF file we are writing to (memory)

cancelTask - task for cancelling

Throws:

java.io.IOException - problem reading file

close

public void close()
           throws java.io.IOException

Close this IOSP

Throws:

java.io.IOException - problem closing file

syncExtend

public boolean syncExtend()

Sync and extend

Specified by:

syncExtend in interface IOServiceProvider

Overrides:

syncExtend in class AbstractIOServiceProvider

Returns:

false

getDetailInfo

public java.lang.String getDetailInfo()

Get the detail information

Specified by:

getDetailInfo in interface IOServiceProvider

Overrides:

getDetailInfo in class AbstractIOServiceProvider

Returns:

the detail info

sendIospMessage

public java.lang.Object sendIospMessage(java.lang.Object special)

Send an IOSP message

Specified by:

sendIospMessage in interface IOServiceProvider

Overrides:

sendIospMessage in class AbstractIOServiceProvider

Parameters:

special - isn't that special?

Returns:

opaque return, may be null.

readData

public Array readData(Variable v2,
                      Section section)
               throws java.io.IOException,
                      InvalidRangeException

Read the data for the variable

Parameters:

v2 - Variable to read

section - section infomation

Returns:

Array of data

Throws:

java.io.IOException - problem reading from file

InvalidRangeException - invalid Range

See Also:

Range

_readData

protected abstract float[] _readData(GridRecord gr)
                              throws java.io.IOException

Read the data for this GridRecord

Parameters:

gr - grid identifier

Returns:

the data (or null)

Throws:

java.io.IOException - problem reading the data