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root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / ICanReproject.java @ 12207

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/*
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 * Created on 13-oct-2005
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 *
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 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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 2
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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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.fmap.core;
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/**
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 * @author fjp
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 * If a driver can reproject, it must implement this
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 * interface.
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 */
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public interface ICanReproject {
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    /**
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     * @return a EPSG string defining the original projection.
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     * It means that the original data are in this proj.
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     */
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    String getSourceProjection();
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    /**
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     * @return a EPSG string. You set this variable with setDestProjection(String epsg)
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     */
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    String getDestProjection();
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    /**
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     * Set this variable to tell the driver in which projection
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     * do you want your data. If the driver can reproject to this
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     * new EPSG, it will return true in canReproject.
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     * NOTE: use String strEPSG = mapCtrl.getViewPort()
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                            .getProjection().getAbrev()
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                            .substring(5);
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     * Otherwise, it will return false.
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     * @param toEPSG
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     */
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    void setDestProjection(String toEPSG);
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    /**
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     * @return true if the driver will be able to deliver the
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     * entities in the destiny projection. False otherwise.
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     */
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    boolean canReproject(String toEPSGdestinyProjection);
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}