svn-gvsig-desktop / trunk / libraries / libFMap / src-test / com / iver / cit / gvsig / fmap / featureiterators / PerformanceFeatureIteratorTest.java @ 12049
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1 | 11882 | azabala | /*
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2 | * Created on 28-may-2007
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3 | *
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4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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5 | *
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6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License
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10 | * as published by the Free Software Foundation; either version 2
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11 | * of the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program; if not, write to the Free Software
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20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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21 | *
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22 | * For more information, contact:
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23 | *
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24 | * Generalitat Valenciana
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25 | * Conselleria d'Infraestructures i Transport
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26 | * Av. Blasco Ib??ez, 50
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27 | * 46010 VALENCIA
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28 | * SPAIN
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29 | *
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30 | * +34 963862235
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31 | * gvsig@gva.es
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32 | * www.gvsig.gva.es
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33 | *
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34 | * or
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35 | *
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36 | * IVER T.I. S.A
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37 | * Salamanca 50
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38 | * 46005 Valencia
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39 | * Spain
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40 | *
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41 | * +34 963163400
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42 | * dac@iver.es
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43 | */
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44 | /* CVS MESSAGES:
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45 | *
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46 | * $Id$
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47 | * $Log$
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48 | 12049 | azabala | * Revision 1.3 2007-06-07 09:31:42 azabala
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49 | * *** empty log message ***
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50 | *
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51 | * Revision 1.2 2007/05/30 20:12:41 azabala
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52 | 11906 | azabala | * fastIteration = true optimized.
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53 | *
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54 | * Revision 1.1 2007/05/29 19:11:03 azabala
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55 | 11882 | azabala | * *** empty log message ***
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56 | *
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57 | *
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58 | */
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59 | package com.iver.cit.gvsig.fmap.featureiterators; |
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60 | |||
61 | import java.awt.geom.Rectangle2D; |
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62 | |||
63 | 12049 | azabala | import junit.framework.TestCase; |
64 | |||
65 | 11882 | azabala | import org.cresques.cts.ICoordTrans; |
66 | |||
67 | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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68 | import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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69 | import com.iver.cit.gvsig.exceptions.layers.LoadLayerException; |
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70 | import com.iver.cit.gvsig.fmap.core.IFeature; |
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71 | import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
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72 | 12049 | azabala | import com.iver.cit.gvsig.fmap.drivers.featureiterators.SpatialQueryFeatureIterator; |
73 | 11882 | azabala | import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
74 | import com.iver.cit.gvsig.fmap.spatialindex.ISpatialIndex; |
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75 | |||
76 | |||
77 | /**
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78 | * Tests to probe feature iteration methods.
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79 | *
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80 | * These test are not functional-test (performance).
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81 | |||
82 | * @author azabala
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83 | *
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84 | */
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85 | public class PerformanceFeatureIteratorTest extends TestCase { |
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86 | |||
87 | static FLyrVect lyr;
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88 | |||
89 | |||
90 | static{
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91 | try {
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92 | lyr = (FLyrVect) FeatureIteratorTest.newLayer("poly-valencia.shp",
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93 | FeatureIteratorTest.SHP_DRIVER_NAME); |
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94 | lyr.setAvailable(true);
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95 | } catch (LoadLayerException e) {
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96 | // TODO Auto-generated catch block
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97 | e.printStackTrace(); |
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98 | } |
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99 | } |
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100 | |||
101 | |||
102 | public void test1() { |
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103 | try {
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104 | //pruebas de iteracion espacial
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105 | 11906 | azabala | System.out.println("TEST 1: ESPACIAL CON FULL EXTENT Y REPROYECCI?N"); |
106 | 11882 | azabala | Rectangle2D rect = lyr.getFullExtent();
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107 | IFeature feature = null;
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108 | //fast iteration
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109 | long t0 = System.currentTimeMillis(); |
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110 | ISpatialIndex spatialIndex = lyr.getSource().getSpatialIndex(); |
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111 | lyr.getSource().setSpatialIndex(null);
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112 | |||
113 | //Sin indice espacial, rapida
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114 | //si pedimos reproyeccion, el rectangulo de consulta debe estar en la proyeccion
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115 | //de destino
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116 | ICoordTrans trans = FeatureIteratorTest.PROJECTION_DEFAULT.getCT(FeatureIteratorTest.newProjection); |
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117 | rect = trans.convert(rect); |
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118 | IFeatureIterator iterator = lyr.getSource().getFeatureIterator(rect, |
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119 | null,
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120 | FeatureIteratorTest.newProjection, |
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121 | true);
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122 | int numFeatures = 0; |
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123 | while(iterator.hasNext()){
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124 | feature = iterator.next(); |
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125 | numFeatures++; |
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126 | } |
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127 | long t1 = System.currentTimeMillis(); |
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128 | |||
129 | //sin indice espacial, lenta
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130 | iterator = lyr.getSource().getFeatureIterator(rect, |
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131 | null,
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132 | FeatureIteratorTest.newProjection, |
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133 | false);
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134 | int numFeatures2 = 0; |
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135 | while(iterator.hasNext()){
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136 | feature = iterator.next(); |
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137 | numFeatures2++; |
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138 | } |
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139 | long t2 = System.currentTimeMillis(); |
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140 | |||
141 | lyr.getSource().setSpatialIndex(spatialIndex); |
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142 | long t3 = System.currentTimeMillis(); |
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143 | |||
144 | //con indice espacial rapida
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145 | iterator = lyr.getSource().getFeatureIterator(rect, |
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146 | null,
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147 | FeatureIteratorTest.newProjection, |
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148 | true);
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149 | int numFeatures3 = 0; |
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150 | while(iterator.hasNext()){
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151 | feature = iterator.next(); |
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152 | numFeatures3++; |
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153 | } |
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154 | long t4 = System.currentTimeMillis(); |
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155 | //con indice espacial lenta
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156 | iterator = lyr.getSource().getFeatureIterator(rect, |
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157 | null,
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158 | FeatureIteratorTest.newProjection, |
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159 | false);
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160 | int numFeatures4 = 0; |
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161 | while(iterator.hasNext()){
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162 | feature = iterator.next(); |
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163 | numFeatures4++; |
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164 | } |
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165 | long t5 = System.currentTimeMillis(); |
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166 | |||
167 | |||
168 | System.out.println((t1-t0)+" en la iteracion rapida sin indice espacial"); |
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169 | System.out.println("Recuperados "+numFeatures); |
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170 | System.out.println((t4-t3)+" en la iteracion rapida con indice espacial"); |
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171 | System.out.println("Recuperados "+numFeatures3); |
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172 | System.out.println((t2-t1)+" en la iteracion lenta sin indice espacial"); |
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173 | System.out.println("Recuperados "+numFeatures2); |
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174 | System.out.println((t5-t4)+" en la iteracion lenta con indice espacial"); |
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175 | System.out.println("Recuperados "+numFeatures4); |
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176 | |||
177 | } catch (ReadDriverException e) {
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178 | // TODO Auto-generated catch block
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179 | e.printStackTrace(); |
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180 | } catch (ExpansionFileReadException e) {
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181 | // TODO Auto-generated catch block
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182 | e.printStackTrace(); |
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183 | } |
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184 | } |
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185 | |||
186 | |||
187 | |||
188 | //test to ask a feature over the limit (numfeatures) to low level shapefile driver
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189 | //classes
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190 | 12049 | azabala | // public void test2(){
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191 | // try {
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192 | // FLyrVect layer = (FLyrVect) FeatureIteratorTest.newLayer("poly-valencia.shp", FeatureIteratorTest.SHP_DRIVER_NAME);
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193 | // int numShapes = layer.getSource().getShapeCount();
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194 | // ReadableVectorial source = layer.getSource();
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195 | // for(int i = numShapes -1; i < (numShapes + 50); i++){
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196 | // source.getShape(i);
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197 | // }
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198 | // assertTrue(1 == 2);//si llega aqui, no pasa el test
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199 | // } catch (LoadLayerException e) {
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200 | // // TODO Auto-generated catch block
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201 | // e.printStackTrace();
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202 | // } catch (ReadDriverException e) {
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203 | // // TODO Auto-generated catch block
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204 | // e.printStackTrace();
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205 | // } catch (ExpansionFileReadException e) {
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206 | // // TODO Auto-generated catch block
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207 | // e.printStackTrace();
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208 | // }
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209 | //
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210 | // }
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211 | 11882 | azabala | |
212 | //test to compare fast iteration based in spatial index with precisse iteration
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213 | //with a little filter area
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214 | public void test3(){ |
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215 | double xmin = 724000; |
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216 | double xmax = 725000; |
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217 | double ymin = 4373800; |
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218 | double ymax = 4374300; |
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219 | 11906 | azabala | System.out.println("TEST 2: ESPACIAL CON RECTANGULO PEQUE?O Y REPROYECCI?N"); |
220 | 11882 | azabala | Rectangle2D rect = new Rectangle2D.Double(xmin, ymin, (xmax-xmin), (ymax-ymin)); |
221 | ICoordTrans trans = FeatureIteratorTest.PROJECTION_DEFAULT. |
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222 | getCT(FeatureIteratorTest.newProjection); |
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223 | //si pedimos reproyeccion, el rectangulo de consulta debe estar en la proyeccion
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224 | //de destino
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225 | rect = trans.convert(rect); |
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226 | |||
227 | |||
228 | IFeature feature = null;
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229 | //fast iteration
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230 | try {
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231 | //fast iteration
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232 | long t0 = System.currentTimeMillis(); |
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233 | ISpatialIndex spatialIndex = lyr.getSource().getSpatialIndex(); |
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234 | lyr.getSource().setSpatialIndex(null);
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235 | |||
236 | //Sin indice espacial, rapida
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237 | |||
238 | IFeatureIterator iterator = lyr.getSource().getFeatureIterator(rect, |
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239 | null,
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240 | FeatureIteratorTest.newProjection, |
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241 | true);
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242 | int numFeatures = 0; |
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243 | while(iterator.hasNext()){
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244 | feature = iterator.next(); |
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245 | numFeatures++; |
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246 | } |
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247 | long t1 = System.currentTimeMillis(); |
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248 | |||
249 | //sin indice espacial, lenta
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250 | iterator = lyr.getSource().getFeatureIterator(rect, |
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251 | null,
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252 | FeatureIteratorTest.newProjection, |
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253 | false);
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254 | int numFeatures2 = 0; |
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255 | while(iterator.hasNext()){
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256 | feature = iterator.next(); |
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257 | numFeatures2++; |
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258 | } |
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259 | long t2 = System.currentTimeMillis(); |
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260 | |||
261 | lyr.getSource().setSpatialIndex(spatialIndex); |
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262 | long t3 = System.currentTimeMillis(); |
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263 | |||
264 | //con indice espacial rapida
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265 | iterator = lyr.getSource().getFeatureIterator(rect, |
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266 | null,
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267 | FeatureIteratorTest.newProjection, |
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268 | true);
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269 | int numFeatures3 = 0; |
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270 | while(iterator.hasNext()){
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271 | feature = iterator.next(); |
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272 | numFeatures3++; |
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273 | } |
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274 | long t4 = System.currentTimeMillis(); |
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275 | //con indice espacial lenta
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276 | iterator = lyr.getSource().getFeatureIterator(rect, |
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277 | null,
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278 | FeatureIteratorTest.newProjection, |
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279 | false);
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280 | int numFeatures4 = 0; |
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281 | while(iterator.hasNext()){
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282 | feature = iterator.next(); |
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283 | numFeatures4++; |
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284 | } |
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285 | long t5 = System.currentTimeMillis(); |
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286 | |||
287 | |||
288 | System.out.println((t1-t0)+" en la iteracion rapida sin indice espacial"); |
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289 | System.out.println("Recuperados "+numFeatures); |
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290 | System.out.println((t4-t3)+" en la iteracion rapida con indice espacial"); |
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291 | System.out.println("Recuperados "+numFeatures3); |
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292 | System.out.println((t2-t1)+" en la iteracion lenta sin indice espacial"); |
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293 | System.out.println("Recuperados "+numFeatures2); |
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294 | System.out.println((t5-t4)+" en la iteracion lenta con indice espacial"); |
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295 | System.out.println("Recuperados "+numFeatures4); |
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296 | |||
297 | } catch (ExpansionFileReadException e) {
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298 | // TODO Auto-generated catch block
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299 | e.printStackTrace(); |
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300 | } catch (ReadDriverException e) {
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301 | // TODO Auto-generated catch block
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302 | e.printStackTrace(); |
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303 | } |
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304 | |||
305 | } |
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306 | |||
307 | |||
308 | //the same test as test1 but without reprojection
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309 | public void test4() { |
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310 | try {
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311 | //pruebas de iteracion espacial
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312 | Rectangle2D rect = lyr.getFullExtent();
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313 | IFeature feature = null;
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314 | 11906 | azabala | System.out.println("TEST 3: ESPACIAL CON FULL EXTENT SIN REPROYECCI?N"); |
315 | 11882 | azabala | //fast iteration
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316 | long t0 = System.currentTimeMillis(); |
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317 | ISpatialIndex spatialIndex = lyr.getSource().getSpatialIndex(); |
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318 | lyr.getSource().setSpatialIndex(null);
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319 | |||
320 | |||
321 | IFeatureIterator iterator = lyr.getSource().getFeatureIterator(rect, |
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322 | null,
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323 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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324 | true);
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325 | int numFeatures = 0; |
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326 | while(iterator.hasNext()){
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327 | feature = iterator.next(); |
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328 | numFeatures++; |
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329 | } |
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330 | long t1 = System.currentTimeMillis(); |
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331 | |||
332 | //sin indice espacial, lenta
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333 | iterator = lyr.getSource().getFeatureIterator(rect, |
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334 | null,
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335 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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336 | false);
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337 | int numFeatures2 = 0; |
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338 | while(iterator.hasNext()){
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339 | feature = iterator.next(); |
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340 | numFeatures2++; |
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341 | } |
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342 | long t2 = System.currentTimeMillis(); |
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343 | |||
344 | lyr.getSource().setSpatialIndex(spatialIndex); |
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345 | long t3 = System.currentTimeMillis(); |
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346 | |||
347 | //con indice espacial rapida
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348 | iterator = lyr.getSource().getFeatureIterator(rect, |
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349 | null,
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350 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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351 | true);
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352 | int numFeatures3 = 0; |
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353 | while(iterator.hasNext()){
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354 | feature = iterator.next(); |
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355 | numFeatures3++; |
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356 | } |
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357 | long t4 = System.currentTimeMillis(); |
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358 | //con indice espacial lenta
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359 | iterator = lyr.getSource().getFeatureIterator(rect, |
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360 | null,
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361 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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362 | false);
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363 | int numFeatures4 = 0; |
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364 | while(iterator.hasNext()){
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365 | feature = iterator.next(); |
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366 | numFeatures4++; |
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367 | } |
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368 | long t5 = System.currentTimeMillis(); |
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369 | |||
370 | |||
371 | System.out.println((t1-t0)+" en la iteracion rapida sin indice espacial"); |
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372 | System.out.println("Recuperados "+numFeatures); |
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373 | System.out.println((t4-t3)+" en la iteracion rapida con indice espacial"); |
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374 | System.out.println("Recuperados "+numFeatures3); |
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375 | System.out.println((t2-t1)+" en la iteracion lenta sin indice espacial"); |
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376 | System.out.println("Recuperados "+numFeatures2); |
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377 | System.out.println((t5-t4)+" en la iteracion lenta con indice espacial"); |
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378 | System.out.println("Recuperados "+numFeatures4); |
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379 | |||
380 | } catch (ReadDriverException e) {
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381 | // TODO Auto-generated catch block
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382 | e.printStackTrace(); |
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383 | } catch (ExpansionFileReadException e) {
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384 | // TODO Auto-generated catch block
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385 | e.printStackTrace(); |
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386 | } |
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387 | } |
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388 | |||
389 | //the same test as test3 without reprojection
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390 | public void test5(){ |
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391 | double xmin = 724000; |
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392 | double xmax = 725000; |
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393 | double ymin = 4373800; |
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394 | double ymax = 4374300; |
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395 | Rectangle2D rect = new Rectangle2D.Double(xmin, ymin, (xmax-xmin), (ymax-ymin)); |
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396 | 11906 | azabala | System.out.println("TEST 4: ESPACIAL CON RECTANGULO PEQUE?O SIN REPROYECCI?N"); |
397 | 11882 | azabala | IFeature feature = null;
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398 | //fast iteration
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399 | try {
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400 | //fast iteration
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401 | long t0 = System.currentTimeMillis(); |
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402 | ISpatialIndex spatialIndex = lyr.getSource().getSpatialIndex(); |
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403 | lyr.getSource().setSpatialIndex(null);
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404 | |||
405 | //Sin indice espacial, rapida
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406 | |||
407 | IFeatureIterator iterator = lyr.getSource().getFeatureIterator(rect, |
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408 | null,
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409 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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410 | true);
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411 | int numFeatures = 0; |
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412 | while(iterator.hasNext()){
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413 | feature = iterator.next(); |
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414 | numFeatures++; |
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415 | } |
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416 | long t1 = System.currentTimeMillis(); |
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417 | |||
418 | //sin indice espacial, lenta
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419 | iterator = lyr.getSource().getFeatureIterator(rect, |
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420 | null,
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421 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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422 | false);
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423 | int numFeatures2 = 0; |
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424 | while(iterator.hasNext()){
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425 | feature = iterator.next(); |
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426 | numFeatures2++; |
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427 | } |
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428 | long t2 = System.currentTimeMillis(); |
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429 | |||
430 | lyr.getSource().setSpatialIndex(spatialIndex); |
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431 | long t3 = System.currentTimeMillis(); |
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432 | |||
433 | //con indice espacial rapida
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434 | iterator = lyr.getSource().getFeatureIterator(rect, |
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435 | null,
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436 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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437 | true);
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438 | int numFeatures3 = 0; |
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439 | while(iterator.hasNext()){
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440 | feature = iterator.next(); |
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441 | numFeatures3++; |
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442 | } |
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443 | long t4 = System.currentTimeMillis(); |
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444 | //con indice espacial lenta
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445 | iterator = lyr.getSource().getFeatureIterator(rect, |
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446 | null,
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447 | FeatureIteratorTest.PROJECTION_DEFAULT, |
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448 | false);
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449 | int numFeatures4 = 0; |
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450 | while(iterator.hasNext()){
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451 | feature = iterator.next(); |
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452 | numFeatures4++; |
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453 | } |
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454 | long t5 = System.currentTimeMillis(); |
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455 | |||
456 | |||
457 | System.out.println((t1-t0)+" en la iteracion rapida sin indice espacial"); |
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458 | System.out.println("Recuperados "+numFeatures); |
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459 | System.out.println((t4-t3)+" en la iteracion rapida con indice espacial"); |
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460 | System.out.println("Recuperados "+numFeatures3); |
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461 | System.out.println((t2-t1)+" en la iteracion lenta sin indice espacial"); |
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462 | System.out.println("Recuperados "+numFeatures2); |
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463 | System.out.println((t5-t4)+" en la iteracion lenta con indice espacial"); |
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464 | System.out.println("Recuperados "+numFeatures4); |
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465 | |||
466 | } catch (ExpansionFileReadException e) {
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467 | // TODO Auto-generated catch block
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468 | e.printStackTrace(); |
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469 | } catch (ReadDriverException e) {
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470 | // TODO Auto-generated catch block
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471 | e.printStackTrace(); |
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472 | } |
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473 | |||
474 | } |
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475 | |||
476 | 12049 | azabala | /**
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477 | Este test hay que refinarlo. Simplemente es un intento, mediante simulacion, de encontrar el valor ideal
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478 | de rectangulo de consulta para discernir cuando una iteraci?n debe hacer uso de la caracteristica boundedshapes
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479 | (leer rectangulos sin leer la geometria, a modo de 'indice espacial') y cuando no
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480 | */
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481 | public void test6(){ |
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482 | double xmin = 724000; |
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483 | double width = 1000; |
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484 | double ymin = 4373800; |
||
485 | double height = 500; |
||
486 | System.out.println("TEST 5: BUSQUEDA DEL LIMITE OPTIMO ENTRE BOUNDEDSHAPES Y PRECISSE PARA ITERACIONES R?PIDAS"); |
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487 | //fast iteration
|
||
488 | try {
|
||
489 | //fast iteration
|
||
490 | lyr.getSource().setSpatialIndex(null);
|
||
491 | |||
492 | |||
493 | double BOUND_FACTOR = SpatialQueryFeatureIterator.BOUNDED_SHAPES_FACTOR;
|
||
494 | double lyrWidth = lyr.getSource().getFullExtent().getWidth();
|
||
495 | Rectangle2D rect = new Rectangle2D.Double(xmin, ymin, width, height); |
||
496 | while(width <= lyrWidth){
|
||
497 | |||
498 | ICoordTrans trans = FeatureIteratorTest.PROJECTION_DEFAULT. |
||
499 | getCT(FeatureIteratorTest.newProjection); |
||
500 | //si pedimos reproyeccion, el rectangulo de consulta debe estar en la proyeccion
|
||
501 | //de destino
|
||
502 | rect = trans.convert(rect); |
||
503 | // SpatialQueryFeatureIterator.BOUNDED_SHAPES_FACTOR = 4d;
|
||
504 | BOUND_FACTOR = SpatialQueryFeatureIterator.BOUNDED_SHAPES_FACTOR; |
||
505 | while (BOUND_FACTOR >= 1){ |
||
506 | long t0 = System.currentTimeMillis(); |
||
507 | IFeatureIterator iterator = lyr.getSource().getFeatureIterator(rect, |
||
508 | null,
|
||
509 | FeatureIteratorTest.newProjection, |
||
510 | true);
|
||
511 | while(iterator.hasNext()){
|
||
512 | iterator.next(); |
||
513 | } |
||
514 | long t1 = System.currentTimeMillis(); |
||
515 | |||
516 | |||
517 | Rectangle2D driverExtent = lyr.getSource().getFullExtent();
|
||
518 | double areaExtent = rect.getWidth() * rect.getHeight();
|
||
519 | double areaFullExtent = driverExtent.getWidth() *
|
||
520 | driverExtent.getHeight(); |
||
521 | System.out.println("areaExtent="+areaExtent+", areaFullExtent="+areaFullExtent); |
||
522 | System.out.println("full/BoundFactor="+(areaFullExtent / BOUND_FACTOR)); |
||
523 | System.out.println("BOUND_F="+BOUND_FACTOR+";time="+(t1-t0)); |
||
524 | BOUND_FACTOR /= 2d;
|
||
525 | // SpatialQueryFeatureIterator.BOUNDED_SHAPES_FACTOR = BOUND_FACTOR;
|
||
526 | }//while
|
||
527 | width *= 3;
|
||
528 | height *= 3;
|
||
529 | rect = new Rectangle2D.Double(xmin, ymin, width, height); |
||
530 | }//while
|
||
531 | |||
532 | } catch (ExpansionFileReadException e) {
|
||
533 | // TODO Auto-generated catch block
|
||
534 | e.printStackTrace(); |
||
535 | } catch (ReadDriverException e) {
|
||
536 | // TODO Auto-generated catch block
|
||
537 | e.printStackTrace(); |
||
538 | } |
||
539 | } |
||
540 | } |
||
541 | 11882 | azabala | |
542 | |||
543 | |||
544 | 12049 | azabala | |
545 | 11882 | azabala |