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 / curve / arc / Arc2DZ.java @ 47755
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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.curve.arc; |
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24 | |||
25 | import com.vividsolutions.jts.geom.Coordinate; |
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26 | 45762 | fdiaz | import java.awt.geom.PathIterator; |
27 | 42267 | fdiaz | import org.gvsig.fmap.geom.Geometry; |
28 | 42269 | fdiaz | import org.gvsig.fmap.geom.GeometryException; |
29 | import org.gvsig.fmap.geom.aggregate.MultiLine; |
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30 | import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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31 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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32 | import org.gvsig.fmap.geom.jts.aggregate.MultiLine3D; |
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33 | import org.gvsig.fmap.geom.jts.aggregate.MultiPoint3D; |
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34 | import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon3D; |
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35 | import org.gvsig.fmap.geom.jts.primitive.curve.line.Line3D; |
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36 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.primitive.point.Point3D; |
37 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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38 | 42269 | fdiaz | import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon3D; |
39 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
40 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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41 | 42269 | fdiaz | import org.gvsig.fmap.geom.primitive.Line; |
42 | 42267 | fdiaz | import org.gvsig.fmap.geom.primitive.Point; |
43 | 42269 | fdiaz | import org.gvsig.fmap.geom.primitive.Polygon; |
44 | 42267 | fdiaz | |
45 | /**
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46 | * @author fdiaz
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47 | *
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48 | */
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49 | public class Arc2DZ extends AbstractArc { |
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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 = -5691008010954470053L; |
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55 | private double zValue = Double.NaN; |
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56 | |||
57 | /**
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58 | * @param subtype
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59 | */
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60 | 42283 | fdiaz | public Arc2DZ() {
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61 | 42267 | fdiaz | super(Geometry.SUBTYPES.GEOM3D);
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62 | } |
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63 | |||
64 | /*
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65 | * (non-Javadoc)
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66 | *
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67 | * @see
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68 | * org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive
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69 | * .Point, double, double, double)
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70 | */
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71 | public void setPoints(Point center, double radius, double startAngle, double angleExt) { |
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72 | center = fixPoint(center); |
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73 | |||
74 | 45242 | fdiaz | init = new Point3D(
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75 | center.getX()+radius*Math.cos(startAngle),
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76 | center.getY()+radius*Math.sin(startAngle),
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77 | ((Point3D) center).getZ() |
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78 | ); |
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79 | |||
80 | double midAngle = startAngle+angleExt/2; |
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81 | middle = new Point3D(
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82 | center.getX()+radius*Math.cos(midAngle),
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83 | center.getY()+radius*Math.sin(midAngle),
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84 | ((Point3D) center).getZ() |
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85 | ); |
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86 | |||
87 | end = new Point3D(
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88 | center.getX()+radius*Math.cos(startAngle+angleExt),
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89 | center.getY()+radius*Math.sin(startAngle+angleExt),
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90 | ((Point3D) center).getZ() |
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91 | ); |
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92 | 42267 | fdiaz | |
93 | } |
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94 | |||
95 | /*
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96 | * (non-Javadoc)
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97 | *
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98 | * @see org.gvsig.fmap.geom.primitive.Arc#getCenterPoint()
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99 | */
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100 | public Point getCenterPoint() { |
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101 | ((PointJTS) init).getJTS(); |
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102 | 44099 | jjdelcerro | Point3D center = new Point3D(this.getProjection(), JTSUtils.getCircumcentre(init, middle, end)); |
103 | 42267 | fdiaz | return center;
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104 | } |
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105 | |||
106 | /*
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107 | * (non-Javadoc)
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108 | *
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109 | * @see org.gvsig.fmap.geom.Geometry#cloneGeometry()
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110 | */
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111 | 47346 | fdiaz | @Override
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112 | 42267 | fdiaz | public Geometry cloneGeometry() {
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113 | Arc2DZ arc2D = new Arc2DZ();
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114 | 42283 | fdiaz | arc2D.setPoints((Point)init.cloneGeometry(), (Point)middle.cloneGeometry(), (Point)end.cloneGeometry()); |
115 | 47346 | fdiaz | arc2D.setProjection(this.getProjection());
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116 | 42267 | fdiaz | return arc2D;
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117 | } |
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118 | |||
119 | /*
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120 | * (non-Javadoc)
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121 | *
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122 | * @see
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123 | * org.gvsig.fmap.geom.jts.primitive.curve.line.AbstractLine#fixPoint(org
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124 | * .gvsig.fmap.geom.primitive.Point)
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125 | */
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126 | @Override
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127 | protected Point fixPoint(Point point) { |
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128 | if (point instanceof Point3D) { |
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129 | Point3D point3D = (Point3D) point; |
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130 | if (Double.isNaN(zValue) && !(Double.isNaN(point3D.getZ()))) { |
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131 | zValue = point3D.getZ(); |
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132 | if (init!=null) { |
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133 | ((Point3D) init).setZ(zValue); |
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134 | } |
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135 | if (middle!=null) { |
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136 | ((Point3D) middle).setZ(zValue); |
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137 | } |
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138 | if (end!=null) { |
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139 | ((Point3D) end).setZ(zValue); |
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140 | } |
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141 | return point3D;
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142 | } |
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143 | } |
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144 | return new Point3D(point.getX(), point.getY(), Double.isNaN(zValue)?0:zValue); |
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145 | } |
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146 | |||
147 | /*
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148 | * (non-Javadoc)
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149 | *
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150 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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151 | */
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152 | public com.vividsolutions.jts.geom.Geometry getJTS() {
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153 | PathIterator pi = getPathIterator(null); |
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154 | ArrayListCoordinateSequence coordinates = new ArrayListCoordinateSequence();
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155 | |||
156 | double coords[] = new double[6]; |
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157 | while (!pi.isDone()) {
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158 | switch (pi.currentSegment(coords)) {
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159 | case PathIterator.SEG_MOVETO: |
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160 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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161 | break;
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162 | case PathIterator.SEG_LINETO: |
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163 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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164 | break;
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165 | case PathIterator.SEG_QUADTO: |
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166 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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167 | coordinates.add(new Coordinate(coords[2], coords[3], zValue)); |
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168 | break;
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169 | case PathIterator.SEG_CUBICTO: |
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170 | coordinates.add(new Coordinate(coords[0], coords[1], zValue)); |
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171 | coordinates.add(new Coordinate(coords[2], coords[3], zValue)); |
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172 | coordinates.add(new Coordinate(coords[4], coords[5], zValue)); |
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173 | break;
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174 | case PathIterator.SEG_CLOSE: |
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175 | coordinates.add(coordinates.get(0));
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176 | break;
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177 | } |
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178 | pi.next(); |
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179 | } |
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180 | 47755 | fdiaz | return JTSUtils.createJTSLineString(getProjection(), coordinates);
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181 | 42267 | fdiaz | } |
182 | 42269 | fdiaz | |
183 | /* (non-Javadoc)
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184 | * @see org.gvsig.fmap.geom.primitive.Line#toPoints()
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185 | */
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186 | public MultiPoint toPoints() throws GeometryException { |
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187 | MultiPoint multiPoint = new MultiPoint3D();
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188 | Coordinate[] coordinates = getJTS().getCoordinates();
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189 | 42271 | fdiaz | multiPoint.ensureCapacity(coordinates.length); |
190 | 42269 | fdiaz | for (int i = 0; i < coordinates.length; i++) { |
191 | 47432 | fdiaz | multiPoint.addPoint(new Point3D(this.getProjection(), coordinates[i].x, coordinates[i].y, zValue)); |
192 | } |
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193 | 42269 | fdiaz | return multiPoint;
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194 | } |
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195 | |||
196 | /* (non-Javadoc)
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197 | * @see org.gvsig.fmap.geom.primitive.Line#toLines()
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198 | */
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199 | public MultiLine toLines() throws GeometryException { |
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200 | MultiLine multiLine = new MultiLine3D();
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201 | Line line = new Line3D(getJTS().getCoordinates()); |
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202 | multiLine.addPrimitive(line); |
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203 | return multiLine;
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204 | } |
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205 | |||
206 | /* (non-Javadoc)
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207 | * @see org.gvsig.fmap.geom.primitive.Line#toPolygons()
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208 | */
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209 | public MultiPolygon toPolygons() throws GeometryException { |
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210 | MultiPolygon multiPolygon = new MultiPolygon3D();
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211 | Polygon polygon = new Polygon3D(getJTS().getCoordinates()); |
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212 | multiPolygon.addPrimitive(polygon); |
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213 | return multiPolygon;
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214 | } |
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215 | 42267 | fdiaz | } |