01: /*
02: * JScience - Java(TM) Tools and Libraries for the Advancement of Sciences.
03: * Copyright (C) 2006 - JScience (http://jscience.org/)
04: * All rights reserved.
05: *
06: * Permission to use, copy, modify, and distribute this software is
07: * freely granted, provided that this notice is preserved.
08: */
09: package javax.measure.quantity;
10:
11: import javax.measure.unit.SI;
12: import javax.measure.unit.Unit;
13:
14: /**
15: * This interface represents the angle formed by three or more planes intersecting
16: * at a common point. The system unit for this quantity is "sr" (steradian).
17: * This quantity is dimensionless.
18: *
19: * @author <a href="mailto:jean-marie@dautelle.com">Jean-Marie Dautelle</a>
20: * @version 1.0, January 14, 2006
21: */
22: public interface SolidAngle extends Dimensionless {
23:
24: /**
25: * Holds the SI unit (Système International d'Unités) for this quantity.
26: */
27: public final static Unit<SolidAngle> UNIT = SI.STERADIAN;
28:
29: }
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