ucar.nc2.iosp.grid
Class GridServiceProvider

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

All Implemented Interfaces:

IOServiceProvider

Direct Known Subclasses:

GempakGridServiceProvider, McIDASGridServiceProvider

public abstract class GridServiceProvider
extends java.lang.Object
implements IOServiceProvider

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.StringBuffer	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, java.util.List section) Read the data for the variable
Array	readNestedData(Variable v2, java.util.List section) Read nested data
static void	setDebugFlags(DebugFlags debugFlag) Set the debug flags
void	setSpecial(java.lang.Object special) Set the special object on this IOSP
boolean	syncExtend() Sync and extend
java.lang.String	toStringDebug(java.lang.Object o) Debug string info (why is this in the interface?)
static void	useMaximalCoordSys(boolean b) Set whether to use the maximal coordinate system or not

Methods inherited from class java.lang.Object

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

Methods inherited from interface ucar.nc2.IOServiceProvider

isValidFile, sync

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.StringBuffer 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.

Specified by:

open in interface IOServiceProvider

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

Specified by:

close in interface IOServiceProvider

Throws:

java.io.IOException - problem closing file

syncExtend

public boolean syncExtend()

Sync and extend

Specified by:

syncExtend in interface IOServiceProvider

Returns:

false

getDetailInfo

public java.lang.String getDetailInfo()

Get the detail information

Specified by:

getDetailInfo in interface IOServiceProvider

Returns:

the detail info

toStringDebug

public java.lang.String toStringDebug(java.lang.Object o)

Debug string info (why is this in the interface?)

Specified by:

toStringDebug in interface IOServiceProvider

Parameters:

o - object to debug

Returns:

string rep of the object in question

readNestedData

public Array readNestedData(Variable v2,
                            java.util.List section)
                     throws java.io.IOException,
                            InvalidRangeException

Read nested data

Specified by:

readNestedData in interface IOServiceProvider

Parameters:

v2 - Variable to read

section - section info

Returns:

Array of data

Throws:

java.io.IOException - problem reading file

InvalidRangeException - invalid range

setSpecial

public void setSpecial(java.lang.Object special)

Set the special object on this IOSP

Specified by:

setSpecial in interface IOServiceProvider

Parameters:

special - isn't that special?

readData

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

Read the data for the variable

Specified by:

readData in interface IOServiceProvider

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