svn-gvsig-desktop / trunk / libraries / libTopology / src / org / gvsig / topology / topologyrules / jtsisvalidrules / PolygonMustNotHaveDuplicatedRings.java @ 16256
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1 | 14442 | azabala | /*
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2 | * Created on 10-abr-2006
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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 | */
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49 | package org.gvsig.topology.topologyrules.jtsisvalidrules; |
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50 | |||
51 | 16256 | azabala | import org.gvsig.fmap.core.FGeometryUtil; |
52 | 14442 | azabala | import org.gvsig.jts.JtsUtil; |
53 | import org.gvsig.topology.AbstractTopologyRule; |
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54 | import org.gvsig.topology.Messages; |
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55 | 16256 | azabala | import org.gvsig.topology.Topology; |
56 | 14442 | azabala | import org.gvsig.topology.TopologyError; |
57 | import org.gvsig.topology.TopologyRuleDefinitionException; |
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58 | |||
59 | 14567 | azabala | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
60 | 14442 | azabala | import com.iver.cit.gvsig.fmap.core.IFeature; |
61 | import com.iver.cit.gvsig.fmap.core.IGeometry; |
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62 | 14567 | azabala | import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
63 | import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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64 | 16256 | azabala | import com.iver.utiles.XMLEntity; |
65 | 14442 | azabala | import com.vividsolutions.jts.geom.Geometry; |
66 | import com.vividsolutions.jts.geom.GeometryCollection; |
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67 | 14567 | azabala | import com.vividsolutions.jts.geom.LineString; |
68 | 14442 | azabala | import com.vividsolutions.jts.geom.MultiPolygon; |
69 | import com.vividsolutions.jts.geom.Polygon; |
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70 | |||
71 | 14567 | azabala | /**
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72 | * This rule checks it two rings in a polygon of a polygon layer
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73 | * are equivalent.
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74 | * @author Alvaro Zabala
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75 | *
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76 | */
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77 | 14442 | azabala | public class PolygonMustNotHaveDuplicatedRings extends AbstractTopologyRule { |
78 | 14567 | azabala | |
79 | private double snapTolerance; |
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80 | |||
81 | 16256 | azabala | public PolygonMustNotHaveDuplicatedRings(Topology topology, FLyrVect lyr, double tolerance){ |
82 | super(topology, lyr);
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83 | 14567 | azabala | this.snapTolerance = tolerance;
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84 | } |
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85 | |||
86 | 16256 | azabala | public PolygonMustNotHaveDuplicatedRings(FLyrVect lyr, double tolerance){ |
87 | this(null, lyr, tolerance); |
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88 | } |
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89 | |||
90 | 14442 | azabala | public String getName() { |
91 | return Messages.getText("POLYGON_MUST_NOT_HAVE_DUPLICATED_RINGS"); |
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92 | } |
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93 | |||
94 | public void checkPreconditions() throws TopologyRuleDefinitionException { |
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95 | 16256 | azabala | int shapeType;
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96 | 14567 | azabala | try {
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97 | 16256 | azabala | shapeType = this.originLyr.getShapeType();
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98 | int numDimensions = FGeometryUtil.getDimensions(shapeType);
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99 | if(numDimensions != 2) |
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100 | throw new TopologyRuleDefinitionException("MustNotHaveDuplicatedRings solo aplica sobre capas de dimension 2"); |
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101 | 14567 | azabala | } catch (ReadDriverException e) {
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102 | 16256 | azabala | throw new TopologyRuleDefinitionException( |
103 | "Error al tratar de verificar el tipo de geometria");
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104 | } |
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105 | 14442 | azabala | } |
106 | |||
107 | public void validateFeature(IFeature feature) { |
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108 | Geometry jtsGeo = feature.getGeometry().toJTSGeometry(); |
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109 | if (jtsGeo instanceof Polygon) { |
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110 | Polygon polygon = (Polygon) jtsGeo; |
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111 | 14567 | azabala | checkRings(polygon, feature); |
112 | 14442 | azabala | } else if (jtsGeo instanceof MultiPolygon) { |
113 | MultiPolygon multiPoly = (MultiPolygon)jtsGeo; |
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114 | for(int i = 0; i < multiPoly.getNumGeometries(); i++){ |
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115 | Polygon polygon = (Polygon) multiPoly.getGeometryN(i); |
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116 | 14567 | azabala | checkRings(polygon, feature); |
117 | 14442 | azabala | } |
118 | }else if(jtsGeo instanceof GeometryCollection){ |
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119 | MultiPolygon multiPoly = JtsUtil.convertIfPossible((GeometryCollection) jtsGeo); |
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120 | for(int i = 0; i < multiPoly.getNumGeometries(); i++){ |
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121 | Polygon polygon = (Polygon) multiPoly.getGeometryN(i); |
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122 | 14567 | azabala | checkRings(polygon, feature); |
123 | 14442 | azabala | } |
124 | } |
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125 | } |
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126 | 14567 | azabala | |
127 | private void checkRings(Polygon polygon, IFeature feature){ |
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128 | LineString shell = polygon.getExteriorRing(); |
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129 | int numHoles = polygon.getNumInteriorRing();
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130 | for(int i = 0; i < numHoles; i++){ |
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131 | LineString hole = polygon.getInteriorRingN(i); |
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132 | if(shell.equalsExact(hole, snapTolerance)){
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133 | IFeature[] features = {feature};
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134 | IGeometry geometry = FConverter.jts_to_igeometry(hole); |
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135 | TopologyError error = new TopologyError(geometry,
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136 | this,
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137 | features); |
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138 | addTopologyError(error); |
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139 | }//if
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140 | |||
141 | |||
142 | for(int j = 0; j < numHoles; j++){ |
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143 | if(i >= j)
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144 | continue;
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145 | LineString hole2 = polygon.getInteriorRingN(j); |
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146 | if(hole.equalsExact(hole2)){
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147 | IFeature[] features = {feature};
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148 | IGeometry geometry = FConverter.jts_to_igeometry(hole); |
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149 | TopologyError error = new TopologyError(geometry,
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150 | this,
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151 | features); |
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152 | addTopologyError(error); |
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153 | } |
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154 | } |
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155 | }//for
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156 | } |
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157 | |||
158 | 16256 | azabala | public XMLEntity getXMLEntity(){
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159 | XMLEntity xml = super.getXMLEntity();
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160 | xml.putProperty("snapTolerance", snapTolerance);
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161 | return xml;
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162 | } |
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163 | |||
164 | public void setXMLEntity(XMLEntity xml){ |
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165 | super.setXMLEntity(xml);
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166 | |||
167 | if(xml.contains("snapTolerance")){ |
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168 | snapTolerance = xml.getDoubleProperty("snapTolerance");
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169 | } |
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170 | } |
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171 | 14442 | azabala | } |