root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / drivers / BoundedShapes.java @ 3107
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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.drivers; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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/**
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* Interfaz a implementar por los drivers que puedan satisfacer de manera
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* r?pida una llamada a getShapeBounds. Esto har? que el procesado de la capa
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* sea un poco m?s r?pido
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*/
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public interface BoundedShapes { |
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/**
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* Obtiene el Rect?ngulo de la geometr?a i?sima
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*
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* @param index ?ndice
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*
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* @return Rect?ngulo.
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*
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* @throws IOException
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*/
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Rectangle2D getShapeBounds(int index) throws IOException; |
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/**
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* Devuelve el tipo de la geometr?a. Con .shp est? claro. Con PostGIS,
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* existe una funci?n: GeometryType(geometry) Returns the type of the
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* geometry as a string. Eg: 'LINESTRING', 'POLYGON', 'MULTIPOINT', etc.
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* OGC SPEC s2.1.1.1 - Returns the name of the instantiable subtype of
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* Geometry of which this Geometry instance is a member. The name of the
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* instantiable subtype of Geometry is returned as a string. NOTA: CREO
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* QUE ESTO NO TIENE SENTIDO CON BASES DE DATOS. LA ESTRATEGIA CON BASES
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* DE DATOS DEBE SER PEDIR LAS GEOMETRIES CONTENIDAS EN UN RECTANGULO, Y
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* PREGUNTARLE A CADA GEOMETRY SU BOUNDINGBOX (Y GUARDARLO CON UN
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* SHAPEINFO). TENGO LA SENSACI?N QUE ESTO LO VAMOS A USAR SOLO CON SHAPES
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*
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* @param index
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*
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* @return
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*/
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int getShapeType(int index); |
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} |