/* * OSGeom -- Geometry Collab * * (C) 2009, Open Source Geospatial Foundation (OSGeo) * (C) 2001-2009 Department of Geography, University of Bonn * (C) 2001-2009 lat/lon GmbH * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ package org.osgeo.geometry.primitive; import org.osgeo.geometry.Geometry; /** * A {@link GeometricPrimitive} is a contigous geometry with single dimensionality. * <p> * For every dimensionality, a specialized interface exists: * <ul> * <li>0D: {@link Point}</li> * <li>1D: {@link Curve}</li> * <li>2D: {@link Surface}</li> * <li>3D: {@link Solid}</li> * </ul> * </p> * * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a> * @author last edited by: $Author:$ * * @version $Revision:$, $Date:$ */ public interface GeometricPrimitive extends Geometry { /** * Convenience enum type for discriminating the different primitive variants. */ public enum PrimitiveType { /** 0-dimensional primitive */ Point, /** 1-dimensional primitive */ Curve, /** 2-dimensional primitive */ Surface, /** 3-dimensional primitive */ Solid } /** * Must always return {@link Geometry.GeometryType#PRIMITIVE_GEOMETRY}. * * @return must always return {@link Geometry.GeometryType#PRIMITIVE_GEOMETRY} */ public GeometryType getGeometryType(); /** * Returns the type of primitive. * * @return the type of primitive */ public PrimitiveType getPrimitiveType(); }