org.deegree.model.geometry
Interface GM_Ring

All Superinterfaces:

GM_Object, GM_OrientableCurve, GM_OrientablePrimitive, GM_Primitive

All Known Implementing Classes:

GM_Ring_Impl

public interface GM_Ring

extends GM_OrientableCurve

defining a ring geometry that's part of a surface boundary

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Version:

$Revision: 1.2 $ $Date: 2002/10/21 08:19:01 $

Author:

Andreas Poth, Axel Schaefer

Method Summary

GM_CurveSegment	getAsCurveSegment() returns the ring as an instance of GM_CurveSegment
GM_Position[]	getPositions() returns all positions the builds the ring
boolean	isCycle() returns true because a ring is always a cycle
boolean	isSimple() returns true because a ring is always a simple

Methods inherited from interface org.deegree.model.geometry.GM_OrientableCurve

getCurveBoundary

Methods inherited from interface org.deegree.model.geometry.GM_OrientablePrimitive

getOrientation, setOrientation

Methods inherited from interface org.deegree.model.geometry.GM_Object

contains, contains, difference, distance, getBoundary, getBuffer, getCentroid, getConvexHull, getCoordinateDimension, getCoordinateSystem, getDimension, getEnvelope, intersection, intersects, isEmpty, isWithinDistance, translate, union

Method Detail

isCycle

public boolean isCycle()

returns true because a ring is always a cycle

isSimple

public boolean isSimple()

returns true because a ring is always a simple

getPositions

public GM_Position[] getPositions()

returns all positions the builds the ring

getAsCurveSegment

public GM_CurveSegment getAsCurveSegment()
                                  throws GM_Exception

returns the ring as an instance of GM_CurveSegment

Throws:

GM_Exception