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 / surface / circle / BaseCircle2DZ.java @ 47432
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1 | 42304 | 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.surface.circle; |
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24 | |||
25 | import com.vividsolutions.jts.geom.Coordinate; |
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26 | 47432 | fdiaz | import java.awt.geom.PathIterator; |
27 | 42304 | fdiaz | import org.gvsig.fmap.geom.GeometryException; |
28 | import org.gvsig.fmap.geom.aggregate.MultiLine; |
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29 | import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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30 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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31 | import org.gvsig.fmap.geom.jts.aggregate.MultiLine3D; |
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32 | import org.gvsig.fmap.geom.jts.aggregate.MultiPoint3D; |
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33 | import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon3D; |
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34 | import org.gvsig.fmap.geom.jts.primitive.curve.line.Line3D; |
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35 | import org.gvsig.fmap.geom.jts.primitive.point.Point3D; |
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36 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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37 | import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon3D; |
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38 | import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
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39 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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40 | import org.gvsig.fmap.geom.primitive.Line; |
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41 | import org.gvsig.fmap.geom.primitive.Point; |
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42 | import org.gvsig.fmap.geom.primitive.Polygon; |
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43 | |||
44 | |||
45 | /**
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46 | * @author fdiaz
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47 | *
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48 | */
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49 | public abstract class BaseCircle2DZ extends AbstractCircle { |
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50 | |||
51 | /**
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52 | *
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53 | */
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54 | private static final long serialVersionUID = -804346064183036328L; |
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55 | |||
56 | /**
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57 | * @param type
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58 | * @param subtype
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59 | * @param center
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60 | * @param radius
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61 | */
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62 | public BaseCircle2DZ(int type, int subtype, Point center, double radius) { |
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63 | super(type, subtype, center, radius);
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64 | } |
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65 | |||
66 | /**
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67 | * @param circle
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68 | * @param geom2d
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69 | */
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70 | public BaseCircle2DZ(int type, int subtype) { |
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71 | super(type,subtype);
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72 | } |
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73 | |||
74 | /*
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75 | * (non-Javadoc)
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76 | *
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77 | * @see
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78 | * org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive
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79 | * .Point, org.gvsig.fmap.geom.primitive.Point,
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80 | * org.gvsig.fmap.geom.primitive.Point)
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81 | */
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82 | public void setPoints(Point p1, Point p2, Point p3) { |
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83 | 44099 | jjdelcerro | this.center = new Point3D(p1.getProjection(),JTSUtils.getCircumcentre(p1, p2, p3)); |
84 | 42304 | fdiaz | //Por si los tres puntos no tienen la misma z
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85 | Point3D aPoint = new Point3D(p1.getX(), p1.getY(), ((Point3D)center).getZ());
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86 | this.radius = ((PointJTS) this.center).getJTS().distance(aPoint.getJTS()); |
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87 | 44099 | jjdelcerro | this.setProjection(this.center.getProjection()); |
88 | 42304 | fdiaz | } |
89 | |||
90 | /*
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91 | * (non-Javadoc)
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92 | *
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93 | * @see
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94 | * org.gvsig.fmap.geom.jts.primitive.surface.circle.AbstractCircle#fixPoint
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95 | * (org.gvsig.fmap.geom.primitive.Point)
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96 | */
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97 | @Override
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98 | protected Point fixPoint(Point point) { |
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99 | if (point instanceof Point3D) { |
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100 | return point;
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101 | } |
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102 | return new Point3D(point.getX(), point.getY(), 0); |
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103 | } |
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104 | |||
105 | /**
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106 | * @return
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107 | */
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108 | protected ArrayListCoordinateSequence getJTSCoordinates() {
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109 | PathIterator pi = getPathIterator(null); |
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110 | ArrayListCoordinateSequence coordinates = new ArrayListCoordinateSequence();
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111 | |||
112 | Point3D c = (Point3D)getCenter(); |
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113 | double zValue = c.getZ();
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114 | double coords[] = new double[6]; |
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115 | while (!pi.isDone()) {
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116 | switch (pi.currentSegment(coords)) {
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117 | case PathIterator.SEG_MOVETO: |
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118 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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119 | break;
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120 | case PathIterator.SEG_LINETO: |
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121 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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122 | break;
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123 | case PathIterator.SEG_QUADTO: |
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124 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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125 | coordinates.add(new Coordinate(coords[2], coords[3], zValue)); |
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126 | break;
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127 | case PathIterator.SEG_CUBICTO: |
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128 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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129 | coordinates.add(new Coordinate(coords[2], coords[3], zValue)); |
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130 | coordinates.add(new Coordinate(coords[4], coords[5], zValue)); |
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131 | break;
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132 | case PathIterator.SEG_CLOSE: |
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133 | coordinates.add(coordinates.get(0));
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134 | break;
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135 | } |
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136 | pi.next(); |
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137 | } |
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138 | if(!coordinates.get(0).equals(coordinates.get(coordinates.size()-1))){ |
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139 | coordinates.add((Coordinate)coordinates.get(0).clone());
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140 | } |
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141 | return coordinates;
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142 | } |
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143 | |||
144 | /* (non-Javadoc)
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145 | * @see org.gvsig.fmap.geom.primitive.Line#toPoints()
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146 | */
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147 | public MultiPoint toPoints() throws GeometryException { |
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148 | MultiPoint multiPoint = new MultiPoint3D();
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149 | Coordinate[] coordinates = getJTS().getCoordinates();
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150 | multiPoint.ensureCapacity(coordinates.length); |
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151 | for (int i = 0; i < coordinates.length; i++) { |
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152 | 44099 | jjdelcerro | multiPoint.addPoint(new Point3D(this.getProjection(), coordinates[i])); |
153 | 42304 | fdiaz | } |
154 | return multiPoint;
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155 | } |
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156 | |||
157 | /* (non-Javadoc)
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158 | * @see org.gvsig.fmap.geom.primitive.Line#toLines()
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159 | */
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160 | public MultiLine toLines() throws GeometryException { |
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161 | MultiLine multiLine = new MultiLine3D();
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162 | Line line = new Line3D(getJTS().getCoordinates()); |
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163 | multiLine.addPrimitive(line); |
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164 | return multiLine;
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165 | } |
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166 | |||
167 | /* (non-Javadoc)
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168 | * @see org.gvsig.fmap.geom.primitive.Line#toPolygons()
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169 | */
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170 | public MultiPolygon toPolygons() throws GeometryException { |
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171 | MultiPolygon multiPolygon = new MultiPolygon3D();
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172 | Polygon polygon = new Polygon3D(getJTS().getCoordinates()); |
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173 | multiPolygon.addPrimitive(polygon); |
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174 | return multiPolygon;
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175 | } |
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176 | |||
177 | |||
178 | } |