svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.api / src / main / java / org / gvsig / fmap / geom / aggregate / Aggregate.java @ 40767
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.aggregate; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Primitive; |
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/**
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* <p>
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* This interface is equivalent to the GM_Aggregate specified in
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* <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=26012">ISO 19107</a>.
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* The aggregates gather geometric objects. Since they will often use orientation
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* modification, the curve reference and surface references do not go directly to
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* the {@link Curve} and {@link Surface}, but are directed to {@link OrientableCurve}
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* and {@link OrientableSurface}.
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* </p>
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* <p>
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* Most geometric objects are contained in features, and cannot be held in
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* collections that are strong aggregations. For this reason, the collections
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* described on this package are all weak aggregations, and shall use
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* references to include geometric objects.
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* </p>
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* @see <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=26012">ISO 19107</a>
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public interface Aggregate extends Geometry{ |
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/**
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* Returns the number of {@link Primitive}'s that composes
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* this multi geometry.
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* @return the number of {@link Primitive}'s that composes
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* this multi geometry.
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*/
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public int getPrimitivesNumber(); |
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/**
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* Returns one of the {@link Primitive}'s that is in
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* a concrete position.
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* @param i
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* Geometry position.
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* @return
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* A simple geometry.
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*/
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public Primitive getPrimitiveAt(int i); |
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} |