svn-gvsig-desktop / tags / v1_1_Build_1015 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / layerOperations / InfoByPoint.java @ 13679
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 853 | fernando | package com.iver.cit.gvsig.fmap.layers.layerOperations; |
42 | |||
43 | 993 | fernando | import java.awt.Point; |
44 | 853 | fernando | import com.iver.cit.gvsig.fmap.DriverException; |
45 | 8765 | jjdelcerro | import com.iver.utiles.swing.threads.Cancellable; |
46 | 853 | fernando | |
47 | |||
48 | /**
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49 | 13372 | ppiqueras | * <p>Interface that must implement the layers which support the operation "<i>information by point</i>".</p>
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50 | * <p>That operation allows get meta-information from a point and an area around, of a layer or map.</p>
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51 | 853 | fernando | */
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52 | public interface InfoByPoint { |
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53 | /**
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54 | 13107 | ppiqueras | * <p>Executes a consultation about information of a point on the layer.</p>
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55 | *
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56 | * <p>There is an area around the point where will get the information.</p>
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57 | 853 | fernando | *
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58 | 13014 | ppiqueras | * @param p point where is the consultation
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59 | * @param tolerance permissible margin around the coordinates of the point where the method will get the information. Each
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60 | * singular implementation of this method would use it in a different way. The coordinates also depend on the implementation.
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61 | 13372 | ppiqueras | * @param cancel object that implements the {@link Cancellable Cancellable} interface, and that allows cancel the draw</code>
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62 | 13014 | ppiqueras | *
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63 | 13372 | ppiqueras | * @return an array with XML items that have the information of that point
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64 | 13014 | ppiqueras | *
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65 | * @throws DriverException any exception produced using the driver.
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66 | 853 | fernando | */
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67 | 8765 | jjdelcerro | public XMLItem[] getInfo(Point p, double tolerance, Cancellable cancel) throws DriverException; |
68 | 853 | fernando | } |