org.das2.qstream.QdsToD2sStream

Base class for QDataSet to das2 stream serializers

QdsToD2sStream( )

Initialize a binary QDataSet to das2 stream exporter

QdsToD2sStream( int genSigDigits, int fracSecDigits )

Initialize a text QDataSet to das2 stream exporter

FORMAT_2_2

FORMAT_2_3_BASIC

FORMAT_2_4_GENERAL

formats

DEFAUT_FRAC_SEC

DEFAUT_SIG_DIGIT

FIXED_PKT_TAGS

VAR_PKT_TAGS

canWrite

canWrite( QDataSet qds ) → boolean

Determine if the given dataset can be written

Parameters

qds - a QDataSet

Returns:

a boolean

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getQdsAxis

getQdsAxis( QDataSet qds ) → String

Determine the name of the das2 axis on which values from a dataset would typically be plotted. This is a duck-typing check. Which looks at the number of dependencies and planes in a dataset. If the dataset has a PLANE_0 property, the axis of the PLANE_0 values is returned instead of the axis of the primary dataset.

Parameters

qds - a QDataSet

Returns:

one of "x", "y", "z","w" or null if we can't figure it out.

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write

write( QDataSet qds, java.io.OutputStream os ) → boolean

Write the given dataset

Parameters

qds - a QDataSet
os - an OutputStream

Returns:

a boolean

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