IdentityScale.java
package org.djunits.unit.scale;
/**
* A Scale for standard, e.g. SI, units. Values in these units need no conversion.
* <p>
* Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>.
* </p>
* @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
*/
public final class IdentityScale extends LinearScale
{
/** */
private static final long serialVersionUID = 20151011L;
/** A ready-to-use instance of the standard scale (they are all the same...). */
public static final IdentityScale SCALE = new IdentityScale();
/**
* Construct a standard Scale without a transformation.
*/
private IdentityScale()
{
super(1.0);
}
@Override
public double toStandardUnit(final double value)
{
return value;
}
@Override
public double fromStandardUnit(final double value)
{
return value;
}
@Override
public String toString()
{
return "IdentityScale []";
}
}