org.epics.pvmanager.sim

Class Noise

java.lang.Object

org.epics.pvmanager.sim.Noise

public class Noise
extends Object

Function to simulate a signal that has a uniform distribution. The warning limits are set at 80% of the range and the alarm at 90% the range. All values are going to have no alarm status, with the timestamp set at the moment the sample was generated.

Author:

carcassi

Constructor Summary

Constructors

Constructor and Description
Noise() Creates a signal uniformly distributed between -5.0 and 5.0, updating every 100ms (10Hz).
Noise(Double min, Double max, Double interval) Creates a signal uniformly distributed between min and max, updating every interval seconds.
Noise(Double min, Double max, Double step, Double interval) Do not use: only provided to provide some sort of error message for people migrating from utility.pv.

Method Summary

Methods

Modifier and Type	Method and Description
org.epics.util.time.TimeDuration	getTimeBetweenSamples() Returns the time between each sample.

Methods inherited from class java.lang.Object

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

Constructor Detail

Noise

public Noise()

Creates a signal uniformly distributed between -5.0 and 5.0, updating every 100ms (10Hz).

Noise

public Noise(Double min,
     Double max,
     Double step,
     Double interval)

Do not use: only provided to provide some sort of error message for people migrating from utility.pv.

Parameters:

min - minimum value

max - maximum value

step - ignored

interval - interval between samples in seconds

Noise

public Noise(Double min,
     Double max,
     Double interval)

Creates a signal uniformly distributed between min and max, updating every interval seconds.

Parameters:

min - minimum value

max - maximum value

interval - interval between samples in seconds

Method Detail

getTimeBetweenSamples

public org.epics.util.time.TimeDuration getTimeBetweenSamples()

Returns the time between each sample.

Returns:

a time duration