root / trunk / libraries / libGPE-KML / src / org / gvsig / gpe / kml / writer / geometries / CoordinatesWriter.java @ 11484
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1 | 11211 | jorpiell | package org.gvsig.gpe.kml.writer.geometries; |
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2 | |||
3 | import java.io.IOException; |
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4 | |||
5 | import org.gvsig.gpe.kml.KmlTags; |
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6 | import org.gvsig.gpe.xml.writer.Writer; |
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7 | |||
8 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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9 | *
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10 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation; either version 2
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15 | * of the License, or (at your option) any later version.
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16 | *
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17 | * This program is distributed in the hope that it will be useful,
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18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | * GNU General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, write to the Free Software
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24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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25 | *
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26 | * For more information, contact:
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27 | *
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28 | * Generalitat Valenciana
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29 | * Conselleria d'Infraestructures i Transport
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30 | * Av. Blasco Ib??ez, 50
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31 | * 46010 VALENCIA
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32 | * SPAIN
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33 | *
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34 | * +34 963862235
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35 | * gvsig@gva.es
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36 | * www.gvsig.gva.es
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37 | *
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38 | * or
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39 | *
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40 | * IVER T.I. S.A
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41 | * Salamanca 50
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42 | * 46005 Valencia
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43 | * Spain
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44 | *
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45 | * +34 963163400
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46 | * dac@iver.es
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47 | */
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48 | /* CVS MESSAGES:
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49 | *
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50 | * $Id$
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51 | * $Log$
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52 | 11484 | jorpiell | * Revision 1.2 2007-05-08 07:53:08 jorpiell
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53 | * Add comments to the writers
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54 | *
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55 | * Revision 1.1 2007/04/14 16:08:07 jorpiell
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56 | 11211 | jorpiell | * Kml writing support added
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57 | *
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58 | *
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59 | */
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60 | /**
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61 | 11484 | jorpiell | * This class writes a coordinates Kml tag. Example:
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62 | * <p>
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63 | * <pre>
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64 | * <code>
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65 | * <coordinates>60.0,60.0 60.0,90.0 90.0,90.0</coordinates>
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66 | * </code>
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67 | * </pre>
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68 | * </p>
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69 | 11211 | jorpiell | * @author Jorge Piera LLodr? (jorge.piera@iver.es)
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70 | 11484 | jorpiell | * @see http://code.google.com/apis/kml/documentation/kml_tags_21.html#coordinates
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71 | 11211 | jorpiell | */
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72 | public class CoordinatesWriter { |
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73 | |||
74 | 11484 | jorpiell | /**
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75 | * It writes the coordinates tag and its value.
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76 | * @param writer
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77 | * Writer to write the labels
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78 | * @param longitude
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79 | * Longitude >= -180 and <= 180
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80 | * @param latitude
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81 | * Latitude >= -90 and <= 90
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82 | * @param altitude
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83 | * Meters above sea level
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84 | * @throws IOException
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85 | */
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86 | public static void write(Writer writer,double longitude, double latitude, |
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87 | double altitude) throws IOException{ |
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88 | 11211 | jorpiell | writer.write("\n");
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89 | writer.write("<" + KmlTags.COORDINATES + ">"); |
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90 | 11484 | jorpiell | writeOneCoordinate(writer,longitude,latitude,altitude); |
91 | 11211 | jorpiell | writer.write("</" + KmlTags.COORDINATES + ">"); |
92 | } |
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93 | |||
94 | 11484 | jorpiell | /**
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95 | * It writes an array of coordinates written using
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96 | * the kml coordinates tag
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97 | * @param writer
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98 | * Writer to write the labels
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99 | * @param longitudes
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100 | * Array of longitudes (>= -180 and <= 180)
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101 | * @param latitudes
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102 | * Array of latitudes (>= -90 and <= 90)
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103 | * @param altitudes
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104 | * Array of altitudes (Meters above sea level)
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105 | * @throws IOException
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106 | */
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107 | public static void write(Writer writer,double[] longitudes, double[] latitudes, |
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108 | double[] altitudes) throws IOException{ |
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109 | 11211 | jorpiell | writer.write("\n");
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110 | writer.write("<" + KmlTags.COORDINATES + ">"); |
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111 | 11484 | jorpiell | for (int i=0 ; i<longitudes.length ; i++){ |
112 | writeOneCoordinate(writer,longitudes[i],latitudes[i],altitudes[i]); |
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113 | if (i<longitudes.length-1){ |
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114 | 11211 | jorpiell | writer.write(KmlTags.TUPLES_SEPARATOR); |
115 | } |
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116 | } |
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117 | writer.write("</" + KmlTags.COORDINATES + ">"); |
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118 | } |
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119 | |||
120 | 11484 | jorpiell | /**
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121 | * Writes the content of a coordinates kml tag
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122 | * @param writer
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123 | * Writer to write the labels
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124 | * @param x
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125 | * Longitude >= -180 and <= 180
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126 | * @param y
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127 | * Latitude >= -90 and <= 90
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128 | * @param altitude
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129 | * Meters above sea level
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130 | * @throws IOException
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131 | */
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132 | 11211 | jorpiell | private static void writeOneCoordinate(Writer writer,double x, double y, |
133 | double z) throws IOException{ |
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134 | DoubleWriter.write(writer,x); |
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135 | writer.write(KmlTags.COORDINATES_SEPARATOR); |
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136 | DoubleWriter.write(writer,y); |
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137 | writer.write(KmlTags.COORDINATES_SEPARATOR); |
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138 | DoubleWriter.write(writer,z); |
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139 | } |
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140 | } |