svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / ring / Ring2D.java @ 42464
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1 | 42267 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2015 gvSIG Association
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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., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.fmap.geom.jts.primitive.ring; |
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24 | |||
25 | 42283 | fdiaz | import java.util.Iterator; |
26 | |||
27 | 42267 | fdiaz | import com.vividsolutions.jts.geom.Coordinate; |
28 | 42441 | fdiaz | import com.vividsolutions.jts.geom.GeometryFactory; |
29 | import com.vividsolutions.jts.geom.LinearRing; |
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30 | import com.vividsolutions.jts.geomgraph.Position; |
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31 | import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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32 | import com.vividsolutions.jts.operation.buffer.OffsetCurveBuilder; |
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33 | 42267 | fdiaz | |
34 | 42464 | fdiaz | import org.cresques.cts.ICoordTrans; |
35 | |||
36 | 42267 | fdiaz | import org.gvsig.fmap.geom.Geometry; |
37 | 42269 | fdiaz | import org.gvsig.fmap.geom.GeometryException; |
38 | import org.gvsig.fmap.geom.aggregate.MultiLine; |
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39 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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40 | 42283 | fdiaz | import org.gvsig.fmap.geom.jts.GeometryJTS; |
41 | 42269 | fdiaz | import org.gvsig.fmap.geom.jts.aggregate.MultiLine2D; |
42 | import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2D; |
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43 | 42270 | fdiaz | import org.gvsig.fmap.geom.jts.primitive.curve.line.BaseLine2D; |
44 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2D; |
45 | 42269 | fdiaz | import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2D; |
46 | 42283 | fdiaz | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
47 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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48 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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49 | 42441 | fdiaz | import org.gvsig.fmap.geom.primitive.Polygon; |
50 | 42267 | fdiaz | import org.gvsig.fmap.geom.primitive.Ring; |
51 | |||
52 | /**
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53 | * @author fdiaz
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54 | *
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55 | */
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56 | 42270 | fdiaz | public class Ring2D extends BaseLine2D implements Ring { |
57 | 42267 | fdiaz | |
58 | /**
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59 | *
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60 | */
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61 | private static final long serialVersionUID = 6640426694359410404L; |
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62 | |||
63 | /**
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64 | * @param subtype
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65 | */
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66 | 42283 | fdiaz | public Ring2D() {
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67 | super(Geometry.TYPES.RING);
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68 | 42267 | fdiaz | } |
69 | |||
70 | /**
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71 | *
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72 | */
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73 | public Ring2D(Coordinate[] coordinates) { |
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74 | 42326 | fdiaz | super(Geometry.TYPES.RING, coordinates);
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75 | 42267 | fdiaz | } |
76 | |||
77 | /* (non-Javadoc)
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78 | * @see org.gvsig.fmap.geom.Geometry#cloneGeometry()
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79 | */
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80 | public Geometry cloneGeometry() {
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81 | 42283 | fdiaz | return new Ring2D(cloneCoordinates().toCoordinateArray()); |
82 | 42267 | fdiaz | } |
83 | |||
84 | 42269 | fdiaz | /* (non-Javadoc)
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85 | * @see org.gvsig.fmap.geom.primitive.Line#toLines()
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86 | */
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87 | public MultiLine toLines() throws GeometryException { |
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88 | MultiLine multiLine = new MultiLine2D();
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89 | multiLine.addPrimitive(new Line2D(coordinates.toCoordinateArray())); |
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90 | return multiLine;
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91 | } |
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92 | |||
93 | /* (non-Javadoc)
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94 | * @see org.gvsig.fmap.geom.primitive.Line#toPolygons()
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95 | */
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96 | public MultiPolygon toPolygons() throws GeometryException { |
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97 | MultiPolygon multiPolygon = new MultiPolygon2D();
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98 | multiPolygon.addPrimitive(new Polygon2D(coordinates.toCoordinateArray()));
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99 | return multiPolygon;
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100 | } |
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101 | |||
102 | 42283 | fdiaz | /*
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103 | * (non-Javadoc)
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104 | *
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105 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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106 | */
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107 | public com.vividsolutions.jts.geom.Geometry getJTS() {
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108 | return JTSUtils.createJTSLinearRing(coordinates);
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109 | } |
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110 | |||
111 | 42441 | fdiaz | |
112 | /* (non-Javadoc)
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113 | * @see org.gvsig.fmap.geom.Geometry#offset(double)
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114 | */
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115 | public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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116 | com.vividsolutions.jts.geom.LinearRing jtsRing = (LinearRing) getJTS(); |
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117 | GeometryFactory factory = jtsRing.getFactory(); |
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118 | BufferParameters bufParams = JTSUtils.getBufferParameters(); |
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119 | |||
120 | OffsetCurveBuilder ocb = new OffsetCurveBuilder(factory.getPrecisionModel(), bufParams);
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121 | |||
122 | Coordinate[] coordinates = jtsRing.getCoordinates();
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123 | Coordinate[] coords = ocb.getRingCurve(coordinates, Position.LEFT, distance); // .getOffsetCurve(coordinates, |
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124 | |||
125 | return new Ring2D(coords); |
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126 | } |
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127 | 42464 | fdiaz | |
128 | |||
129 | /* (non-Javadoc)
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130 | * @see org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#reProject(org.cresques.cts.ICoordTrans)
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131 | */
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132 | @Override
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133 | public void reProject(ICoordTrans ct) { |
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134 | super.reProject(ct);
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135 | if (coordinates.size()>=2 && !isClosed()) { |
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136 | closePrimitive(); |
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137 | } |
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138 | } |
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139 | 42267 | fdiaz | } |