org.autoplot.idlsupport.QDataSetBridge

See http://autoplot.org/IDL and http://autoplot.org/Matlab which show how this is used in the environments.

PROP_FILTER

clearFillValue

clearFillValue( ) → void

don't use fill value.

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

clearMemory

clearMemory( ) → void

clear existing data from memory, in case the bridge object is not cleared from in IDL or Matlab memory.

Returns:

void (returns nothing)

See Also:

reportMemory()


[search for examples] [view on GitHub] [view on old javadoc]

clearPreferredUnits

clearPreferredUnits( ) → void

clear any preference for units.

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

depend

depend( int dim ) → String

Parameters

dim - an int

Returns:

java.lang.String

[search for examples] [view on GitHub] [view on old javadoc]

doGetDataSet

doGetDataSet( ) → void

performs the read. Note no progress status is available and this blocks until the read is done. doGetDataSet(mon) should be called if progress is needed. 2011-01-01: getStatus or getStatusMessage should be called afterwards to check the result of the load, this will no longer throw an exception.

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

doGetDataSet( ProgressMonitor mon ) → void

dumpStack

dumpStack( ) → void

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

dumpStackInNSeconds

dumpStackInNSeconds( double n ) → void

desperate method for debugging where JPype/Python would hang, in hopes that this might show where it's hanging.

Parameters

n - number of seconds.

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

freeMemory

freeMemory( ) → int

return the total memory and free memory available to the Java process, in megabytes (1e6 bytes).

Returns:

an integer array [ used, total ]

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getException

getException( ) → Exception

return the Exception from the last doGetDataSet call.

Returns:

a java.lang.Exception

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getFilter

getFilter( ) → String

get the filter that is applied to the data immediately after it is loaded.

Returns:

the filter string, empty string means no filters.

[search for examples] [view on GitHub] [view on old javadoc]

getProgressMonitor

getProgressMonitor( ) → ProgressMonitor

returns an object that can be used to monitor the progress of a download. mon= qds->getProgressMonitor(); qds->doGetDataSet( mon ) while ( ! mon->isFinished() ) do begin print, strtrim( mon->getTaskProgress(), 2 ) + " " + strtrim( mon->getTaskSize(), 2 ) wait, 0.2 ; don't overload the thread endwhile

Returns:

a ProgressMonitor

[search for examples] [view on GitHub] [view on old javadoc]

getStatus

getStatus( ) → int

returns 0 for last get operation successful

Returns:

an int

[search for examples] [view on GitHub] [view on old javadoc]

getStatusMessage

getStatusMessage( ) → String

returns "" for last operation successful, or non-empty indicating the problem. Note getException will return the Java exception for deeper inspection.

Returns:

"" or the error message

[search for examples] [view on GitHub] [view on old javadoc]

hasProperty

hasProperty( String name, String propname, int i ) → boolean

Parameters

name - a String
propname - a String
i - an int

Returns:

boolean

[search for examples] [view on GitHub] [view on old javadoc]

hasProperty( String name, String propname ) → boolean
hasProperty( String propname ) → boolean
hasProperty( String propname, int i ) → boolean

isQube

isQube( ) → boolean

Returns:

boolean

[search for examples] [view on GitHub] [view on old javadoc]

labelsAlias

labelsAlias( String name, java.lang.String[] result ) → void

get the string values of the data instead of the numbers. This provides a means to decode times and nominal data such as labels data sets.

Parameters

name - a String
result - a java.lang.String[]

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

length

length( String name ) → int

return the length of the zeroth dimension of the dataset

Parameters

name - a String

Returns:

the length of the zeroth dimension

[search for examples] [view on GitHub] [view on old javadoc]

length( ) → int

lengths

lengths( String name ) → int

return the lengths of the dimensions of the specified dataset.

Parameters

name - a String

Returns:

an int[]

[search for examples] [view on GitHub] [view on old javadoc]

lengths( ) → int
lengths( String name, int i ) → int
lengths( int i ) → int

name

name( ) → String

Returns:

java.lang.String

[search for examples] [view on GitHub] [view on old javadoc]

nameFor

nameFor( QDataSet dep0 ) → String

return the name used to refer to the dataset. This may add to the list of datasets.

Parameters

dep0 - the dataset

Returns:

the name for the dataset.

[search for examples] [view on GitHub] [view on old javadoc]

names

names( ) → String

Returns:

java.lang.String[]

[search for examples] [view on GitHub] [view on old javadoc]

plane

plane( int iplane ) → String

Parameters

iplane - an int

Returns:

java.lang.String

[search for examples] [view on GitHub] [view on old javadoc]

properties

properties( String name, int i ) → Map

get the properties for the named dataset

Parameters

name - a String
i - the index

Returns:

a java.util.Map

[search for examples] [view on GitHub] [view on old javadoc]

properties( String name ) → Map
properties( ) → Map
properties( int i ) → Map

property

property( String name, String propname, int i ) → Object

returns one of String, int, double, float, int[], double, float[]

Parameters

name - a String
propname - a String
i - an int

Returns:

the property

[search for examples] [view on GitHub] [view on old javadoc]

property( String name, String propname ) → Object
property( String propname ) → Object
property( String propname, int i ) → Object

propertyAsDouble

propertyAsDouble( String property ) → double

Parameters

property - a String

Returns:

double

[search for examples] [view on GitHub] [view on old javadoc]

propertyAsDouble( String name, String property ) → double

propertyAsString

propertyAsString( String property ) → String

return the default dataset property value as a string.

Parameters

property - property name

Returns:

a String

[search for examples] [view on GitHub] [view on old javadoc]

propertyAsString( String name, String property ) → String

rank

rank( String name ) → int

return the number of dimensions of the specified dataset.

Parameters

name - a String

Returns:

an int

[search for examples] [view on GitHub] [view on old javadoc]

rank( ) → int

readLogConfiguration

readLogConfiguration( ) → void

load the configuration from autoplot_data/config/logging.properties

Returns:

void (returns nothing)

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reportMemory

reportMemory( ) → void

print the Java memory stats to stderr.

Returns:

void (returns nothing)

See Also:

clearMemory()


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setDebug

setDebug( boolean debug ) → void

turn on/off debug messages

Parameters

debug - a boolean

Returns:

void (returns nothing)

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setFillDouble

setFillDouble( double d ) → void

set the value to return when the data is invalid, when the data is known to be stored as doubles (8-byte numbers). Python JPype doesn't allow for operator overloading, so this should be used.

Parameters

d - a double

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

setFillValue

setFillValue( double d ) → void

set the value to return when the data is invalid. Note in IDL, where I echoed which was being called: IDL> apds.setFillValue, 89. % setFillValue(float) IDL> apds.setFillValue, 89.d % setFillValue(double)

Parameters

d - a double

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

setFillValue( float f ) → void

setFilter

setFilter( String filter ) → void

set the filter that is applied to the data immediately after it is loaded.

Parameters

filter - filter string like "|histogram()" or "" for no filters.

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

setPreferredUnits

setPreferredUnits( String sunit ) → void

set the preferred units for the data. The code will convert to these units when a converter is found. If a preference is indicated when it is convertible to an existing preference, the existing preference is removed. See clearPreferredUnits to remove all preferences. Example units strings (capitalization matters): 


    seconds since 2010-01-01T00:00
    days since 2010-01-01T00:00
    Hz
    kHz
    MHz

Parameters

sunit - a String

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

slice

slice( String name, int i, double[] result ) → void

accessor for non-qube

Parameters

name - a String
i - an int
result - a double[]

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

slice( String name, int i, double[][] result ) → void
slice( String name, int i, double[][][] result ) → void
slice( int i, double[] result ) → void
slice( int i, double[][] result ) → void
slice( int i, double[][][] result ) → void
slice( String name, int i ) → Object
slice( int i0 ) → Object

slice1

slice1( int index ) → Object

slice on the first dimension, which is useful for extracting data component by component.

Parameters

index - an int

Returns:

array of floats or doubles.

[search for examples] [view on GitHub] [view on old javadoc]

slice1( int index, String name ) → Object

svalues

svalues( String name, java.lang.String[] result ) → void

Parameters

name - a String
result - a java.lang.String[]

Returns:

void (returns nothing)

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svalues( java.lang.String[] result ) → void
svalues( ) → String
svalues( String name ) → String

values

values( String name, double[] result ) → void

Parameters

name - a String
result - a double[]

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]

values( String name, double[][] result ) → void
values( String name, double[][][] result ) → void
values( String name, double[][][][] result ) → void
values( double[] result ) → void
values( double[][] result ) → void
values( double[][][] result ) → void
values( double[][][][] result ) → void
values( ) → Object
values( String name ) → Object

valuesAlias

valuesAlias( String name, double[] result ) → void

copy the data into a 1-D array. Rank 2 and 3 dataset array are then aliased with the highest dimension the most tightly packed.

Parameters

name - a String
result - a double[]

Returns:

void (returns nothing)

[search for examples] [view on GitHub] [view on old javadoc]