root / trunk / libraries / libjni-mrsid / src / main / java / es / gva / cit / jmrsid / LTIUtils.java @ 20017
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1 | 20017 | maquerol | /**********************************************************************
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2 | * $Id: LTIUtils.java 3539 2006-01-09 12:23:20Z nacho $
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3 | *
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4 | * Name: LTIUtils.java
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5 | * Project: JMRSID. Interface java to mrsid (Lizardtech).
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6 | * Purpose:
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7 | * Author: Nacho Brodin, brodin_ign@gva.es
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8 | *
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9 | **********************************************************************/
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10 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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11 | *
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12 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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13 | *
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14 | * This program is free software; you can redistribute it and/or
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15 | * modify it under the terms of the GNU General Public License
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16 | * as published by the Free Software Foundation; either version 2
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17 | * of the License, or (at your option) any later version.
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18 | *
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19 | * This program is distributed in the hope that it will be useful,
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20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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22 | * GNU General Public License for more details.
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23 | *
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24 | * You should have received a copy of the GNU General Public License
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25 | * along with this program; if not, write to the Free Software
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26 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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27 | *
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28 | * For more information, contact:
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29 | *
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30 | * Generalitat Valenciana
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31 | * Conselleria d'Infraestructures i Transport
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32 | * Av. Blasco Ib??ez, 50
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33 | * 46010 VALENCIA
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34 | * SPAIN
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35 | *
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36 | * +34 963862235
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37 | * gvsig@gva.es
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38 | * www.gvsig.gva.es
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39 | *
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40 | * or
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41 | *
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42 | * IVER T.I. S.A
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43 | * Salamanca 50
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44 | * 46005 Valencia
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45 | * Spain
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46 | *
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47 | * +34 963163400
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48 | * dac@iver.es
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49 | */
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50 | |||
51 | package es.gva.cit.jmrsid; |
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52 | |||
53 | import java.io.*; |
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54 | |||
55 | /**
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56 | * Utilidades
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57 | * @author Nacho Brodin <brodin_ign@gva.es>.<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es
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58 | * @version 0.0
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59 | * @link http://www.gvsig.gva.es
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60 | */
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61 | public class LTIUtils extends JNIBase{ |
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62 | |||
63 | private native static double levelToMagNat(int level); |
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64 | private native void FreeLTIUtilsNat(long cPtr); |
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65 | |||
66 | public LTIUtils(){}
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67 | |||
68 | /**
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69 | * Constructor
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70 | * @param cPtr direcci?n de memoria al objeto OGRCurve de C.
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71 | */
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72 | |||
73 | public LTIUtils(long cPtr){ |
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74 | this.cPtr=cPtr;
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75 | } |
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76 | |||
77 | /**
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78 | * Destructor
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79 | */
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80 | |||
81 | protected void finalize(){ |
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82 | if(cPtr > 0) |
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83 | FreeLTIUtilsNat(cPtr); |
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84 | } |
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85 | |||
86 | /**
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87 | * Convierte un valor de nivel en valor de ampliaci?n
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88 | * @throws MrSIDException
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89 | * @param level el valor de nivel a convertir
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90 | * @return valor de ampliaci?n
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91 | */
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92 | public static double levelToMag(int level)throws MrSIDException{ |
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93 | |||
94 | double mag = levelToMagNat(level);
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95 | |||
96 | if(mag<0) |
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97 | throw new MrSIDException("Error LTIUtils::levelToMag. Se obtuvo un valor erroneoen la llamada nativa levelToMag."); |
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98 | else
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99 | return mag;
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100 | } |
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101 | |||
102 | } |