de.grogra.gpuflux.scene.experiment
Class Experiment

java.lang.Object
  de.grogra.gpuflux.scene.experiment.Experiment

public class Experiment
extends java.lang.Object

Since:

2011.0824 The Experiment class gives a mapping from objects to measurements. An experiment represents a set of measurements for a collection of object groups. The measurement dimensions and units are undefined and depend on the context. All measurements are assumed to have the same dimensions and units.

Author:

Dietger van Antwerpen

Constructor Summary

Experiment(LongToIntHashMap nodeToGroup, java.util.Vector<? extends Measurement> measurements, Measurement zero)
Constructor

Method Summary

void	aggregate(Experiment map, float scale) Aggregate two experiments by scaling the input experiment and adding it to this experiment.
int	checkGroupId(Node node) Maps an input node to a group index in the measurement vector
Measurement	getMeasurement(Node node) Maps an input node to a measurement
Measurement	getZero() Returns a zero measurement corresponding to this experiment
void	mul(float scale) Scales all measurements in the experiment by a single scale factor

Methods inherited from class java.lang.Object

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

Constructor Detail

Experiment

public Experiment(LongToIntHashMap nodeToGroup,
                  java.util.Vector<? extends Measurement> measurements,
                  Measurement zero)

Constructor

Parameters:

nodeToGroup - node to group mapping

measurements - vector of measurements for each group

zero - default zero measurement

Method Detail

aggregate

public void aggregate(Experiment map,
                      float scale)

Aggregate two experiments by scaling the input experiment and adding it to this experiment. All corresponding measurements in both experiments are aggregated pairwise. The experiments are assumed to apply to the same node to group mapping.

Parameters:

map -

scale -

checkGroupId

public int checkGroupId(Node node)

Maps an input node to a group index in the measurement vector

Parameters:

node -

Returns:

returns the corresponding group index, or -1 if not found

getMeasurement

public Measurement getMeasurement(Node node)

Maps an input node to a measurement

Parameters:

node - input node

Returns:

returns the measurement corresponding to the input node

getZero

public Measurement getZero()

Returns a zero measurement corresponding to this experiment

Returns:

returns the zero measurement

mul

public void mul(float scale)

Scales all measurements in the experiment by a single scale factor

Parameters:

scale - scale factor