visad.data
Class CachedFlatField

java.lang.Object
  visad.ThingImpl
      visad.DataImpl
          visad.FunctionImpl
              visad.FieldImpl
                  visad.FlatField
                      visad.data.CachedFlatField

All Implemented Interfaces:

Serializable, Cloneable, Data, Field, FlatFieldIface, Function, Thing

public class CachedFlatField
extends FlatField

This is a FloatField that caches to disk its float array.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class visad.DataImpl

DataImpl.Syncher

Field Summary

protected Object	MUTEX Mutex
int	mycnt

Fields inherited from class visad.FlatField

RangeCoordinateSystem, RangeCoordinateSystems, RangeUnits, TupleDimension

Fields inherited from interface visad.Data

ABS, ACOS, ACOS_DEGREES, ADD, ASIN, ASIN_DEGREES, ATAN, ATAN_DEGREES, ATAN2, ATAN2_DEGREES, CEIL, COS, COS_DEGREES, DEGREES_TO_RADIANS, DEPENDENT, DIVIDE, EXP, FLOOR, INDEPENDENT, INV_ATAN2, INV_ATAN2_DEGREES, INV_DIVIDE, INV_POW, INV_REMAINDER, INV_SUBTRACT, LOG, MAX, MIN, MULTIPLY, NEAREST_NEIGHBOR, NEGATE, NO_ERRORS, NOP, POW, RADIANS_TO_DEGREES, REMAINDER, RINT, ROUND, SIN, SIN_DEGREES, SQRT, SUBTRACT, TAN, TAN_DEGREES, WEIGHTED_AVERAGE

Constructor Summary

CachedFlatField(CachedFlatField that, boolean copy, FunctionType type, Set domainSet, CoordinateSystem rangeCoordSys, CoordinateSystem[] rangeCoordSysArray, Set[] rangeSets, Unit[] units)
Copy constructor

CachedFlatField(FunctionType type, float[][] floats)
Create a new CachedFlatField

CachedFlatField(FunctionType type, Set domainSet)
Create a new CachedFlatField

CachedFlatField(FunctionType type, Set domainSet, CoordinateSystem rangeCoordSys, CoordinateSystem[] rangeCoordSyses, Set[] rangeSets, Unit[] units, float[][] floats)
Create a new CachedFlatField

CachedFlatField(FunctionType type, Set domainSet, CoordinateSystem rangeCoordSys, Set[] rangeSets, Unit[] units, float[][] floats)
Create a new CachedFlatField

CachedFlatField(FunctionType type, Set domainSet, float[][] floats)
Create a new CachedFlatField

Method Summary

void	clearCachedRange() Clear the cached ranges
Object	clone() Override method so we clear the caches on the cloned object
CachedFlatField	cloneMe(boolean copy, FunctionType type, Set domainSet, CoordinateSystem rangeCoordSys, CoordinateSystem[] rangeCoordSysArray, Set[] rangeSets, Unit[] units) Clone this object
void	finalize()
DataRange[]	getRanges() Get the ranges
DataRange[]	getRanges(boolean force) Get the ranges
DataRange[]	getRanges(float[][] values) Get the ranges for the values
Data	getSample(int index) Get the range value at the index-th sample.
boolean	haveData()
protected void	initCache(float[][] data) init
void	msg(String s) Debug statment
float[][]	readData() Used to provide a hook to derived classes to dynamically read in the data
protected void	readValuesFromParent(CachedFlatField parent) This gets called to notify derived classes that we jus got the data from the parent ccf
void	setSampleRanges(DataRange[] sampleRanges) Set the sample ranges
void	setSamples(float[][] values, ErrorEstimate[] errors, boolean copy) Set the sample
float[][]	unpackFloats(boolean copy) get the float values
protected float[]	unpackFloats(int s_index) Unpack floats
protected double[][]	unpackValues(boolean copy) get the float values as doubles

Methods inherited from class visad.FlatField

adjustSamplingError, binary, clearMissing, cloneDouble, cloneDouble, cloneFloat, cloneFloat, computeRanges, convertToField, derivative, derivative, derivative, derivative, derivative, equals, extract, extract, fillField, getDefaultRangeUnits, getFloats, getFloats, getRangeCoordinateSystem, getRangeCoordinateSystem, getRangeDimension, getRangeErrors, getRangeSets, getRangeUnits, getSample, getStringValues, getValues, getValues, getValues, grabBytes, isFlatField, isMissing, longString, main, makeField, makeField1, makeField2, makeRational, makeRational, nullRanges, pr, resample, resampleDouble, setRangeErrors, setSample, setSample, setSamples, setSamples, setSamples, setSamples, setSamples, setSamples, setSamples, setSamples, toString, unary, unpackFloats, unpackOneFloatRangeComp, unpackOneFloatRangeComp, unpackOneRangeComp, unpackOneRangeComp, unpackValues, unpackValues

Methods inherited from class visad.FieldImpl

__getitem__, __len__, __setitem__, __setitem__, combine, combine, combine, combine, combine, domainEnumeration, domainFactor, domainFactor, domainMultiply, domainMultiply, domainMultiply, domainMultiply, extract, extract, getDomainCoordinateSystem, getDomainSet, getDomainUnits, getLength, setSample, setSample, setSample, setSamples

Methods inherited from class visad.FunctionImpl

__getitem__, __getitem__, evaluate, evaluate, evaluate, evaluate, getDomainDimension, resample

Methods inherited from class visad.DataImpl

__add__, __add__, __div__, __div__, __mod__, __mod__, __mul__, __mul__, __neg__, __pow__, __pow__, __radd__, __rdiv__, __rmod__, __rmul__, __rpow__, __rsub__, __sub__, __sub__, abs, abs, acos, acos, acosDegrees, acosDegrees, add, add, asin, asin, asinDegrees, asinDegrees, atan, atan, atan2, atan2, atan2Degrees, atan2Degrees, atanDegrees, atanDegrees, binary, ceil, ceil, changeMathType, computeRanges, computeRanges, cos, cos, cosDegrees, cosDegrees, dataClone, divide, divide, exp, exp, floor, floor, getType, local, log, log, longString, max, max, min, min, multiply, multiply, negate, negate, notifyReferences, pow, pow, remainder, remainder, rint, rint, round, round, sin, sin, sinDegrees, sinDegrees, sqrt, sqrt, subtract, subtract, tan, tan, tanDegrees, tanDegrees, unary

Methods inherited from class visad.ThingImpl

addReference, removeReference

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface visad.Field

domainEnumeration, domainFactor, domainMultiply, domainMultiply, getDomainSet, getLength, setSample, setSample

Methods inherited from interface visad.Function

evaluate, evaluate, evaluate, evaluate, getDomainCoordinateSystem, getDomainDimension, getDomainUnits, resample

Methods inherited from interface visad.Data

abs, abs, acos, acos, acosDegrees, acosDegrees, add, add, asin, asin, asinDegrees, asinDegrees, atan, atan, atan2, atan2, atan2Degrees, atan2Degrees, atanDegrees, atanDegrees, binary, ceil, ceil, changeMathType, computeRanges, computeRanges, cos, cos, cosDegrees, cosDegrees, dataClone, divide, divide, exp, exp, floor, floor, getType, local, log, log, longString, max, max, min, min, multiply, multiply, negate, negate, pow, pow, remainder, remainder, rint, rint, round, round, sin, sin, sinDegrees, sinDegrees, sqrt, sqrt, subtract, subtract, tan, tan, tanDegrees, tanDegrees, unary

Methods inherited from interface visad.Thing

addReference, removeReference

Field Detail

MUTEX

protected transient Object MUTEX

Mutex

mycnt

public final int mycnt

Constructor Detail

CachedFlatField

public CachedFlatField(FunctionType type,
                       Set domainSet)
                throws VisADException

Create a new CachedFlatField

Parameters:

type - Function type

domainSet - set for this

Throws:

VisADException - On badness

CachedFlatField

public CachedFlatField(FunctionType type,
                       float[][] floats)
                throws VisADException

Create a new CachedFlatField

Parameters:

floats - The values

type - Function type

Throws:

VisADException - On badness

CachedFlatField

public CachedFlatField(FunctionType type,
                       Set domainSet,
                       float[][] floats)
                throws VisADException

Create a new CachedFlatField

Parameters:

floats - The values

type - Function type

domainSet - Domain

Throws:

VisADException - On badness

CachedFlatField

public CachedFlatField(FunctionType type,
                       Set domainSet,
                       CoordinateSystem rangeCoordSys,
                       Set[] rangeSets,
                       Unit[] units,
                       float[][] floats)
                throws VisADException

Create a new CachedFlatField

Parameters:

type - Function type

domainSet - Domain

rangeCoordSys - range CoordSystem

rangeSets - range sets

units - units

floats - The values

Throws:

VisADException - On badness

CachedFlatField

public CachedFlatField(FunctionType type,
                       Set domainSet,
                       CoordinateSystem rangeCoordSys,
                       CoordinateSystem[] rangeCoordSyses,
                       Set[] rangeSets,
                       Unit[] units,
                       float[][] floats)
                throws VisADException

Create a new CachedFlatField

Parameters:

type - Function type

domainSet - Domain

rangeCoordSys - range CoordSystem

rangeCoordSyses - range CoordSystem's

rangeSets - range sets

units - units

floats - The values

Throws:

VisADException - On badness

CachedFlatField

public CachedFlatField(CachedFlatField that,
                       boolean copy,
                       FunctionType type,
                       Set domainSet,
                       CoordinateSystem rangeCoordSys,
                       CoordinateSystem[] rangeCoordSysArray,
                       Set[] rangeSets,
                       Unit[] units)
                throws VisADException

Copy constructor

Parameters:

that - What we clone from

copy - copy the values

type - Function type

domainSet - Domain

rangeCoordSys - range CoordSystem

rangeCoordSysArray - rangeCoordSysArray

rangeSets - range sets

units - units

Throws:

VisADException - On badness

Method Detail

cloneMe

public CachedFlatField cloneMe(boolean copy,
                               FunctionType type,
                               Set domainSet,
                               CoordinateSystem rangeCoordSys,
                               CoordinateSystem[] rangeCoordSysArray,
                               Set[] rangeSets,
                               Unit[] units)
                        throws VisADException

Clone this object

Parameters:

copy - copy the values

type - Function type

domainSet - Domain set

rangeCoordSys - range CoordSystem

rangeCoordSysArray - rangeCoordSysArray

rangeSets - range sets

units - units

Returns:

New field

Throws:

VisADException - On badness

finalize

public void finalize()
              throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

setSamples

public void setSamples(float[][] values,
                       ErrorEstimate[] errors,
                       boolean copy)
                throws VisADException,
                       RemoteException

Set the sample

Specified by:

setSamples in interface FlatFieldIface

Overrides:

setSamples in class FlatField

Parameters:

values - the samples

errors - errors

copy - tru to copy

Throws:

RemoteException - Java RMI Exception

VisADException - Problem in VisAD land

clone

public Object clone()

Override method so we clear the caches on the cloned object

Overrides:

clone in class FlatField

Returns:

the clone

initCache

protected void initCache(float[][] data)
                  throws VisADException

init

Parameters:

data - data

Throws:

VisADException - initializing field

setSampleRanges

public void setSampleRanges(DataRange[] sampleRanges)

Set the sample ranges

Parameters:

sampleRanges - the sample ranges

clearCachedRange

public void clearCachedRange()

Clear the cached ranges

getRanges

public DataRange[] getRanges()
                      throws VisADException

Get the ranges

Returns:

ranges

Throws:

VisADException - problem getting ranges

getRanges

public DataRange[] getRanges(boolean force)
                      throws VisADException

Get the ranges

Parameters:

force - force a recalc

Returns:

ranges the ranges

Throws:

VisADException - problem getting ranges

getRanges

public DataRange[] getRanges(float[][] values)
                      throws VisADException

Get the ranges for the values

Parameters:

values - the values

Returns:

the ranges

Throws:

VisADException - Problem in VisAD land

readData

public float[][] readData()

Used to provide a hook to derived classes to dynamically read in the data

Returns:

data

msg

public void msg(String s)

Debug statment

Parameters:

s - message to print

haveData

public boolean haveData()

readValuesFromParent

protected void readValuesFromParent(CachedFlatField parent)
                             throws VisADException

This gets called to notify derived classes that we jus got the data from the parent ccf

Parameters:

parent - The parent CCF we read data from

Throws:

VisADException

getSample

public Data getSample(int index)
               throws VisADException,
                      RemoteException

Get the range value at the index-th sample.

Specified by:

getSample in interface Field

Overrides:

getSample in class FlatField

Parameters:

index - index of the sample

Returns:

Data object (Real, RealTuple, or Tuple) corresponding to the range at the index-th sample.

Throws:

VisADException - problem getting data

RemoteException - problem getting data from remote object

unpackValues

protected double[][] unpackValues(boolean copy)
                           throws VisADException

get the float values as doubles

Overrides:

unpackValues in class FlatField

Parameters:

copy - copy the values

Returns:

The values

Throws:

VisADException - On badness

unpackFloats

public float[][] unpackFloats(boolean copy)
                       throws VisADException

get the float values

Overrides:

unpackFloats in class FlatField

Parameters:

copy - copy the values

Returns:

The values

Throws:

VisADException - On badness

unpackFloats

protected float[] unpackFloats(int s_index)
                        throws VisADException

Unpack floats

Overrides:

unpackFloats in class FlatField

Parameters:

s_index - the sample index

Returns:

the floats for that index

Throws:

VisADException - Problem in VisAD land