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 / BaseCircle2D.java @ 47346
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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 java.awt.geom.PathIterator; |
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26 | |||
27 | import com.vividsolutions.jts.geom.Coordinate; |
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28 | 42382 | fdiaz | |
29 | 42369 | jjdelcerro | import java.awt.Shape; |
30 | import java.awt.geom.AffineTransform; |
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31 | import java.awt.geom.Ellipse2D; |
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32 | 42382 | fdiaz | import java.awt.geom.Point2D.Double; |
33 | 42304 | fdiaz | |
34 | import org.gvsig.fmap.geom.GeometryException; |
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35 | import org.gvsig.fmap.geom.aggregate.MultiLine; |
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36 | import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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37 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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38 | import org.gvsig.fmap.geom.jts.aggregate.MultiLine2D; |
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39 | import org.gvsig.fmap.geom.jts.aggregate.MultiPoint2D; |
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40 | import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2D; |
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41 | import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2D; |
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42 | import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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43 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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44 | import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2D; |
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45 | import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
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46 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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47 | import org.gvsig.fmap.geom.primitive.Line; |
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48 | import org.gvsig.fmap.geom.primitive.Point; |
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49 | import org.gvsig.fmap.geom.primitive.Polygon; |
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50 | |||
51 | |||
52 | /**
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53 | * @author fdiaz
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54 | *
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55 | */
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56 | public abstract class BaseCircle2D extends AbstractCircle { |
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57 | |||
58 | /**
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59 | *
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60 | */
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61 | private static final long serialVersionUID = -6981603729327501715L; |
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62 | |||
63 | /**
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64 | * @param type
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65 | * @param subtype
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66 | * @param center
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67 | * @param radius
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68 | */
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69 | public BaseCircle2D(int type, int subtype, Point center, double radius) { |
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70 | super(type, subtype, center, radius);
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71 | } |
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72 | |||
73 | /**
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74 | * @param circle
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75 | * @param geom2d
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76 | */
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77 | public BaseCircle2D(int type, int subtype) { |
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78 | super(type,subtype);
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79 | } |
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80 | |||
81 | /* (non-Javadoc)
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82 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
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83 | */
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84 | public void setPoints(Point p1, Point p2, Point p3) { |
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85 | 44099 | jjdelcerro | this.center = new Point2D(p1.getProjection(), JTSUtils.getCircumcentre(p1, p2, p3)); |
86 | 42304 | fdiaz | this.radius = ((PointJTS)this.center).getJTS().distance(((PointJTS)p1).getJTS()); |
87 | 44099 | jjdelcerro | this.setProjection(this.center.getProjection()); |
88 | 42304 | fdiaz | } |
89 | |||
90 | /* (non-Javadoc)
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91 | * @see org.gvsig.fmap.geom.jts.primitive.surface.circle.AbstractCircle#fixPoint(org.gvsig.fmap.geom.primitive.Point)
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92 | */
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93 | @Override
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94 | protected Point fixPoint(Point point) { |
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95 | if (point instanceof Point2D) { |
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96 | return point;
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97 | } else {
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98 | return new Point2D(point.getX(), point.getY()); |
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99 | } |
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100 | } |
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101 | |||
102 | /**
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103 | * @return
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104 | */
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105 | protected ArrayListCoordinateSequence getJTSCoordinates() {
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106 | PathIterator pi = getPathIterator(null); |
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107 | ArrayListCoordinateSequence coordinates = new ArrayListCoordinateSequence();
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108 | |||
109 | double coords[] = new double[6]; |
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110 | while (!pi.isDone()) {
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111 | switch (pi.currentSegment(coords)) {
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112 | case PathIterator.SEG_MOVETO: |
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113 | coordinates.add(new Coordinate(coords[0], coords[1])); |
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114 | break;
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115 | case PathIterator.SEG_LINETO: |
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116 | coordinates.add(new Coordinate(coords[0], coords[1])); |
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117 | break;
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118 | case PathIterator.SEG_QUADTO: |
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119 | coordinates.add(new Coordinate(coords[0], coords[1])); |
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120 | coordinates.add(new Coordinate(coords[2], coords[3])); |
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121 | break;
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122 | case PathIterator.SEG_CUBICTO: |
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123 | coordinates.add(new Coordinate(coords[0], coords[1])); |
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124 | coordinates.add(new Coordinate(coords[2], coords[3])); |
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125 | coordinates.add(new Coordinate(coords[4], coords[5])); |
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126 | break;
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127 | case PathIterator.SEG_CLOSE: |
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128 | coordinates.add(coordinates.get(0));
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129 | break;
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130 | } |
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131 | pi.next(); |
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132 | } |
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133 | if(!coordinates.get(0).equals(coordinates.get(coordinates.size()-1))){ |
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134 | coordinates.add((Coordinate)coordinates.get(0).clone());
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135 | } |
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136 | return coordinates;
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137 | } |
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138 | |||
139 | /* (non-Javadoc)
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140 | * @see org.gvsig.fmap.geom.primitive.Line#toPoints()
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141 | */
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142 | public MultiPoint toPoints() throws GeometryException { |
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143 | MultiPoint multiPoint = new MultiPoint2D();
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144 | Coordinate[] coordinates = getJTS().getCoordinates();
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145 | multiPoint.ensureCapacity(coordinates.length); |
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146 | for (int i = 0; i < coordinates.length; i++) { |
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147 | 44099 | jjdelcerro | multiPoint.addPoint(new Point2D(this.getProjection(), coordinates[i])); |
148 | 42304 | fdiaz | } |
149 | return multiPoint;
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150 | } |
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151 | |||
152 | /* (non-Javadoc)
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153 | * @see org.gvsig.fmap.geom.primitive.Line#toLines()
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154 | */
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155 | public MultiLine toLines() throws GeometryException { |
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156 | MultiLine multiLine = new MultiLine2D();
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157 | Line line = new Line2D(getJTS().getCoordinates()); |
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158 | multiLine.addPrimitive(line); |
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159 | return multiLine;
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160 | } |
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161 | |||
162 | /* (non-Javadoc)
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163 | * @see org.gvsig.fmap.geom.primitive.Line#toPolygons()
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164 | */
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165 | public MultiPolygon toPolygons() throws GeometryException { |
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166 | MultiPolygon multiPolygon = new MultiPolygon2D();
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167 | Polygon polygon = new Polygon2D(getJTS().getCoordinates()); |
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168 | multiPolygon.addPrimitive(polygon); |
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169 | return multiPolygon;
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170 | } |
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171 | } |