uk.ac.starlink.ttools.plot2

Interface DataPosSequence.PositionCloud

Enclosing class:

DataPosSequence

public static interface DataPosSequence.PositionCloud

Adaptor interface defining a cloud of positions for use with DataPosSequence.

Method Summary

Modifier and Type	Method and Description
TupleSequence	createTupleSequence(DataStore dataStore) Returns a new tuple sequence that iterates over the points in this cloud.
DataGeom	getDataGeom() Returns the DataGeom for this cloud.
int	getPosCoordIndex() Returns the index of the data spec coordinate at which the position information starts for this cloud.
long	getTupleCount() Returns the approximate number of tuples that will be iterated over by the tuple sequence this object creates.

Method Detail

getPosCoordIndex

int getPosCoordIndex()

Returns the index of the data spec coordinate at which the position information starts for this cloud.

Returns:

position coordinate index

getDataGeom

DataGeom getDataGeom()

Returns the DataGeom for this cloud.

Returns:

geom

createTupleSequence

TupleSequence createTupleSequence(DataStore dataStore)

Returns a new tuple sequence that iterates over the points in this cloud.

Parameters:

dataStore - data storage object

Returns:

new tuple sequence

getTupleCount

long getTupleCount()

Returns the approximate number of tuples that will be iterated over by the tuple sequence this object creates.

Returns:

approximate tuple count