svn-gvsig-desktop / tags / v1_0_2_Build_912 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / edition / UtilFunctions.java @ 11422
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1 | 1430 | fjp | /*
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2 | * Created on 10-feb-2005
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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 | 3748 | caballero | *
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6 | 1430 | fjp | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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7 | 3748 | caballero | *
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8 | 1430 | fjp | * 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 | 3748 | caballero | *
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13 | 1430 | fjp | * 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 | 3748 | caballero | *
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18 | 1430 | fjp | * 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 | 3748 | caballero | *
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22 | 1430 | fjp | * 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 | 3748 | caballero | *
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34 | 1430 | fjp | * or
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35 | 3748 | caballero | *
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36 | 1430 | fjp | * 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 | 3748 | caballero | *
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41 | 1430 | fjp | * +34 963163400
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42 | * dac@iver.es
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43 | */
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44 | package com.iver.cit.gvsig.fmap.edition; |
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45 | |||
46 | 3904 | fjp | import java.awt.geom.AffineTransform; |
47 | 1430 | fjp | import java.awt.geom.Arc2D; |
48 | import java.awt.geom.Point2D; |
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49 | import java.awt.geom.Rectangle2D; |
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50 | |||
51 | 3904 | fjp | import com.iver.cit.gvsig.fmap.core.IGeometry; |
52 | 3768 | caballero | import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
53 | import com.vividsolutions.jts.geom.Coordinate; |
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54 | |||
55 | 1430 | fjp | /**
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56 | * @author FJP
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57 | *
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58 | * TODO To change the template for this generated type comment go to
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59 | * Window - Preferences - Java - Code Generation - Code and Comments
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60 | */
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61 | public class UtilFunctions { |
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62 | static public Arc2D createCircle(Point2D p1, Point2D p2, Point2D p3) //, Graphics g) |
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63 | { |
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64 | double xC, yC, w, h;
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65 | 3748 | caballero | |
66 | 1430 | fjp | // Calculamos 2 secantes, tiramos perpendiculares por sus puntos
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67 | // medios y obtenemos el centro. Luego calculamos el radio.
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68 | // Puntos medios de los segmentos.
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69 | double xm1, ym1, xm2, ym2;
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70 | xm1 = (p1.getX() + p2.getX())/ 2.0;
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71 | ym1 = (p1.getY() + p2.getY())/ 2.0;
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72 | 3748 | caballero | xm2 = (p2.getX() + p3.getX())/ 2.0;
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73 | 1430 | fjp | ym2 = (p2.getY() + p3.getY())/ 2.0;
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74 | 3748 | caballero | |
75 | 1430 | fjp | /* g.setColor(Color.GRAY);
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76 | g.draw3DRect((int)xm1, (int) ym1, 1, 1, true);
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77 | g.draw3DRect((int)xm2, (int) ym2, 1, 1, true); */
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78 | 3748 | caballero | // Pendientes de las perpendiculares y constantes
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79 | 1430 | fjp | double mP1=0, mP2=0, A1, A2; |
80 | boolean bPerp1 = false, bPerp2 = false; |
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81 | if (p2.getY() - p1.getY() == 0) |
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82 | { |
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83 | A1 = ym1; |
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84 | bPerp1 = true;
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85 | } |
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86 | else
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87 | { |
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88 | mP1 = (p2.getX() - p1.getX()) /(p1.getY() - p2.getY()); |
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89 | A1 = ym1 - xm1 * mP1; |
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90 | } |
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91 | if (p2.getY() - p3.getY() == 0) |
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92 | { |
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93 | A2 = ym2; |
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94 | bPerp2 = true;
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95 | } |
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96 | else
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97 | { |
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98 | mP2 = (p3.getX() - p2.getX()) /(p2.getY() - p3.getY()); |
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99 | 3748 | caballero | A2 = ym2 - xm2 * mP2; |
100 | 1430 | fjp | } |
101 | if (mP2 == mP1)
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102 | { |
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103 | return null; // Error, 3 puntos alineados. No puede pasar un arco |
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104 | } |
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105 | else
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106 | { |
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107 | xC = (A2 - A1)/(mP1-mP2); |
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108 | if (!bPerp1)
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109 | yC = xC * mP1 + A1; |
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110 | 3748 | caballero | else
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111 | 1430 | fjp | yC = xC * mP2 + A2; |
112 | } |
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113 | double Radio = p1.distance(xC, yC);
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114 | double xR = xC - Radio ;
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115 | double yR = yC - Radio ;
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116 | w = 2.0* Radio;
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117 | h = w; |
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118 | Rectangle2D.Double rBounds = new Rectangle2D.Double(xR,yR, w,h); |
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119 | Arc2D.Double resul = new Arc2D.Double(rBounds, 0.0, 360.0, Arc2D.OPEN); |
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120 | /* g.setColor(Color.RED);
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121 | ((Graphics2D) g).draw(resul);
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122 | g.setColor(Color.BLUE);
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123 | ((Graphics2D) g).draw(rBounds);
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124 | g.draw3DRect((int)p1.getX(), (int) p1.getY(), 1, 1, true);
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125 | g.draw3DRect((int)p2.getX(), (int) p2.getY(), 2, 2, true);
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126 | g.draw3DRect((int)p3.getX(), (int) p3.getY(), 1, 1, true);
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127 | g.drawString("1", (int) p1.getX(), (int) p1.getY());
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128 | g.drawString("2", (int) p2.getX(), (int) p2.getY());
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129 | g.drawString("3", (int) p3.getX(), (int) p3.getY());
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130 | g.drawString("C", (int) xC, (int) yC);
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131 | g.draw3DRect((int)xC, (int) yC, 2, 2, true); */
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132 | 3748 | caballero | |
133 | 1430 | fjp | return resul;
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134 | } |
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135 | 3748 | caballero | /**
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136 | * Obtiene un par de puntos que definen la recta perpendicular a p1-p2 que
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137 | * pasa por el punto perp
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138 | *
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139 | * @param p1 punto de la recta p1-p2
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140 | * @param p2 punto de la recta p1-p2
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141 | * @param perp Punto por el que pasa la recta perpendicular, debe ser
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142 | * distinto a p2
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143 | *
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144 | * @return Array con dos puntos que definen la recta resultante
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145 | */
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146 | public static Point2D[] getPerpendicular(Point2D p1, Point2D p2, |
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147 | Point2D perp) {
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148 | if ((p2.getY() - p1.getY()) == 0) { |
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149 | return new Point2D[] { |
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150 | new Point2D.Double(perp.getX(), 0), |
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151 | new Point2D.Double(perp.getX(), 1) |
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152 | }; |
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153 | } |
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154 | 1430 | fjp | |
155 | 3748 | caballero | //Pendiente de la recta perpendicular
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156 | double m = (p1.getX() - p2.getX()) / (p2.getY() - p1.getY());
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157 | |||
158 | //b de la funcion de la recta perpendicular
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159 | double b = perp.getY() - (m * perp.getX());
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160 | |||
161 | //Obtenemos un par de puntos
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162 | Point2D[] res = new Point2D[2]; |
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163 | |||
164 | res[0] = new Point2D.Double(0, (m * 0) + b); |
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165 | res[1] = new Point2D.Double(1000, (m * 1000) + b); |
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166 | |||
167 | return res;
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168 | } |
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169 | /**
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170 | * Obtiene el punto que se encuentra a una distancia 'dist' de la recta
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171 | * p1-p2 y se encuentra en la recta perpendicular que pasa por perpPoint
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172 | *
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173 | * @param p1 Punto de la recta p1-p2
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174 | * @param p2 Punto de la recta p1-p2
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175 | * @param perpPoint Punto de la recta perpendicular
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176 | * @param dist Distancia del punto que se quiere obtener a la recta p1-p2
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177 | *
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178 | * @return DOCUMENT ME!
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179 | */
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180 | public static Point2D getPerpendicularPoint(Point2D p1, Point2D p2, |
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181 | Point2D perpPoint, double dist) { |
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182 | Point2D[] p = getPerpendicular(p1, p2, perpPoint); |
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183 | Point2D unit = getUnitVector(p[0], p[1]); |
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184 | |||
185 | return new Point2D.Double(perpPoint.getX() + (unit.getX() * dist), |
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186 | perpPoint.getY() + (unit.getY() * dist)); |
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187 | } |
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188 | |||
189 | /**
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190 | * Devuelve un vector unitario en forma de punto a partir de dos puntos.
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191 | *
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192 | * @param p1 punto origen.
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193 | * @param p2 punto destino.
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194 | *
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195 | * @return vector unitario.
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196 | */
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197 | public static Point2D getUnitVector(Point2D p1, Point2D p2) { |
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198 | Point2D paux = new Point2D.Double(p2.getX() - p1.getX(), |
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199 | p2.getY() - p1.getY()); |
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200 | double v = Math.sqrt(Math.pow((double) paux.getX(), (double) 2) + |
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201 | Math.pow((double) paux.getY(), (double) 2)); |
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202 | paux = new Point2D.Double(paux.getX() / v, paux.getY() / v); |
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203 | |||
204 | return paux;
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205 | } |
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206 | /**
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207 | * Obtiene el centro del c?rculo que pasa por los tres puntos que se pasan
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208 | * como par?metro
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209 | *
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210 | * @param p1 primer punto del c?rculo cuyo centro se quiere obtener
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211 | * @param p2 segundo punto del c?rculo cuyo centro se quiere obtener
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212 | * @param p3 tercer punto del c?rculo cuyo centro se quiere obtener
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213 | *
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214 | * @return Devuelve null si los puntos est?n alineados o no son 3 puntos
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215 | * distintos
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216 | */
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217 | public static Point2D getCenter(Point2D p1, Point2D p2, Point2D p3) { |
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218 | if (p1.equals(p2) || p2.equals(p3) || p1.equals(p3)) {
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219 | return null; |
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220 | } |
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221 | |||
222 | Point2D[] perp1 = getPerpendicular(p1, p2, |
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223 | new Point2D.Double((p1.getX() + p2.getX()) / 2, |
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224 | (p1.getY() + p2.getY()) / 2));
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225 | Point2D[] perp2 = getPerpendicular(p2, p3, |
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226 | new Point2D.Double((p2.getX() + p3.getX()) / 2, |
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227 | (p2.getY() + p3.getY()) / 2));
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228 | |||
229 | return getIntersection(perp1[0], perp1[1], perp2[0], perp2[1]); |
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230 | } |
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231 | /**
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232 | * Devuelve el punto de la intersecci?n entre las lineas p1-p2 y p3-p4.
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233 | *
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234 | * @param p1 punto de la recta p1-p2
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235 | * @param p2 punto de la recta p1-p2
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236 | * @param p3 punto de la recta p3-p4
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237 | * @param p4 punto de la recta p3-p4
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238 | *
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239 | * @return DOCUMENT ME!
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240 | *
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241 | * @throws RuntimeException DOCUMENT ME!
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242 | */
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243 | public static Point2D getIntersection(Point2D p1, Point2D p2, Point2D p3, |
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244 | Point2D p4) {
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245 | double m1 = Double.POSITIVE_INFINITY; |
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246 | |||
247 | if ((p2.getX() - p1.getX()) != 0) { |
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248 | m1 = (p2.getY() - p1.getY()) / (p2.getX() - p1.getX()); |
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249 | } |
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250 | |||
251 | double m2 = Double.POSITIVE_INFINITY; |
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252 | |||
253 | if ((p4.getX() - p3.getX()) != 0) { |
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254 | m2 = (p4.getY() - p3.getY()) / (p4.getX() - p3.getX()); |
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255 | } |
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256 | |||
257 | if ((m1 == Double.POSITIVE_INFINITY) && |
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258 | (m2 == Double.POSITIVE_INFINITY)) {
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259 | return null; |
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260 | } |
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261 | |||
262 | double b1 = p2.getY() - (m1 * p2.getX());
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263 | |||
264 | double b2 = p4.getY() - (m2 * p4.getX());
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265 | |||
266 | if ((m1 != Double.POSITIVE_INFINITY) && |
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267 | (m2 != Double.POSITIVE_INFINITY)) {
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268 | if (m1 == m2) {
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269 | return null; |
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270 | } |
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271 | |||
272 | double x = (b2 - b1) / (m1 - m2);
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273 | |||
274 | return new Point2D.Double(x, (m1 * x) + b1); |
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275 | } else if (m1 == Double.POSITIVE_INFINITY) { |
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276 | double x = p1.getX();
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277 | |||
278 | return new Point2D.Double(x, (m2 * x) + b2); |
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279 | } else if (m2 == Double.POSITIVE_INFINITY) { |
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280 | double x = p3.getX();
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281 | |||
282 | return new Point2D.Double(x, (m1 * x) + b1); |
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283 | } |
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284 | |||
285 | //no llega nunca
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286 | throw new RuntimeException("BUG!"); |
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287 | } |
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288 | 3768 | caballero | /**
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289 | * Obtiene el ?ngulo del vector que se pasa como par?metro con el vector
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290 | * horizontal de izquierda a derecha
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291 | *
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292 | * @param start punto origen del vector
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293 | * @param end punto destino del vector
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294 | *
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295 | * @return angulo en radianes
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296 | */
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297 | public static double getAngle(Point2D start, Point2D end) { |
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298 | double angle = Math.acos((end.getX() - start.getX()) / start.distance( |
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299 | end)); |
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300 | 3748 | caballero | |
301 | 3768 | caballero | if (start.getY() > end.getY()) {
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302 | angle = -angle; |
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303 | } |
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304 | |||
305 | if (angle < 0) { |
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306 | angle += (2 * Math.PI); |
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307 | } |
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308 | |||
309 | return angle;
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310 | } |
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311 | /**
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312 | * Devuelve la distancia desde angle1 a angle2. Angulo en radianes de
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313 | * diferencia entre angle1 y angle2 en sentido antihorario
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314 | *
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315 | * @param angle1 angulo en radianes. Debe ser positivo y no dar ninguna
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316 | * vuelta a la circunferencia
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317 | * @param angle2 angulo en radianes. Debe ser positivo y no dar ninguna
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318 | * vuelta a la circunferencia
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319 | *
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320 | * @return distancia entre los ?ngulos
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321 | */
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322 | public static double angleDistance(double angle1, double angle2) { |
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323 | if (angle1 < angle2) {
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324 | return angle2 - angle1;
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325 | } else {
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326 | return ((Math.PI * 2) - angle1) + angle2; |
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327 | } |
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328 | } |
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329 | /**
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330 | * Devuelve el punto de la recta que viene dada por los puntos p1 y p2 a
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331 | * una distancia radio de p1.
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332 | *
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333 | * @param p1 DOCUMENT ME!
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334 | * @param p2 DOCUMENT ME!
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335 | * @param radio DOCUMENT ME!
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336 | *
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337 | * @return DOCUMENT ME!
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338 | */
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339 | public static Point2D getPoint(Point2D p1, Point2D p2, double radio) { |
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340 | Point2D paux = new Point2D.Double(p2.getX() - p1.getX(), |
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341 | p2.getY() - p1.getY()); |
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342 | double v = Math.sqrt(Math.pow((double) paux.getX(), (double) 2) + |
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343 | Math.pow((double) paux.getY(), (double) 2)); |
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344 | paux = new Point2D.Double(paux.getX() / v, paux.getY() / v); |
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345 | |||
346 | Point2D aux1 = new Point2D.Double(p1.getX() + (radio * paux.getX()), |
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347 | p1.getY() + (radio * paux.getY())); |
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348 | |||
349 | return aux1;
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350 | } |
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351 | /**
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352 | * Devuelve la menor distancia desde angle1 a angle2.
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353 | *
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354 | * @param angle1 angulo en radianes. Debe ser positivo y no dar ninguna
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355 | * vuelta a la circunferencia
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356 | * @param angle2 angulo en radianes. Debe ser positivo y no dar ninguna
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357 | * vuelta a la circunferencia
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358 | *
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359 | * @return distancia entre los ?ngulos
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360 | */
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361 | public static double absoluteAngleDistance(double angle1, double angle2) { |
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362 | double d = Math.abs(angle1 - angle2); |
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363 | |||
364 | if (d < Math.PI) { |
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365 | return d;
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366 | } else {
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367 | if (angle1 < angle2) {
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368 | angle2 -= (Math.PI * 2); |
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369 | } else {
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370 | angle1 -= (Math.PI * 2); |
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371 | } |
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372 | |||
373 | return Math.abs(angle1 - angle2); |
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374 | } |
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375 | } |
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376 | /**
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377 | * Obtiene un arco a partir de 3 puntos. Devuelve null si no se puede crear
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378 | * el arco porque los puntos est?n alineados o los 3 puntos no son
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379 | * distintos
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380 | *
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381 | * @param p1
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382 | * @param p2
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383 | * @param p3
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384 | *
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385 | * @return Arco
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386 | */
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387 | public static Arc2D createArc(Point2D p1, Point2D p2, Point2D p3) { |
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388 | Point2D center = getCenter(p1, p2, p3);
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389 | |||
390 | if (center == null) { |
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391 | return null; |
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392 | } |
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393 | |||
394 | double angle1 = getAngle(center, p1);
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395 | double angle2 = getAngle(center, p3);
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396 | double extent = angleDistance(angle1, angle2);
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397 | |||
398 | Coordinate[] coords = new Coordinate[4]; |
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399 | coords[0] = new Coordinate(p1.getX(), p1.getY()); |
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400 | coords[1] = new Coordinate(p2.getX(), p2.getY()); |
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401 | coords[2] = new Coordinate(p3.getX(), p3.getY()); |
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402 | coords[3] = new Coordinate(p1.getX(), p1.getY()); |
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403 | |||
404 | if (!RobustCGAlgorithms.isCCW(coords)) {
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405 | extent = (Math.PI * 2) - extent; |
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406 | } else {
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407 | extent = -extent; |
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408 | } |
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409 | |||
410 | //System.err.println("angle1:" + angle1);
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411 | //System.err.println("angle2:" + getAngle(center, p2));
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412 | //System.err.println("angle3:" + angle2);
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413 | //System.err.println("extent:" + extent);
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414 | double Radio = p1.distance(center);
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415 | double xR = center.getX() - Radio;
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416 | double yR = center.getY() - Radio;
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417 | double w = 2.0 * Radio; |
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418 | double h = w;
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419 | |||
420 | Rectangle2D.Double rBounds = new Rectangle2D.Double(xR, yR, w, h); |
||
421 | Arc2D.Double resul = new Arc2D.Double(rBounds, |
||
422 | Math.toDegrees((Math.PI * 2) - angle1), Math.toDegrees(extent), |
||
423 | Arc2D.OPEN);
|
||
424 | |||
425 | return resul;
|
||
426 | } |
||
427 | 5126 | fjp | |
428 | 3768 | caballero | /**
|
429 | 5126 | fjp | * Obtiene un arco a partir del
|
430 | * centro del arco y punto inicio y punto final
|
||
431 | * Suponemos un Arco definicio CCW (CounterClockWise)
|
||
432 | * @param center
|
||
433 | * @param init
|
||
434 | * @param end
|
||
435 | *
|
||
436 | * @return Arco
|
||
437 | */
|
||
438 | public static Arc2D createArc2points(Point2D center, Point2D init, Point2D end) { |
||
439 | |||
440 | double angle1 = getAngle(center, init);
|
||
441 | double angle2 = getAngle(center, end);
|
||
442 | double extent = angleDistance(angle1, angle2);
|
||
443 | |||
444 | extent = -extent; // CCW
|
||
445 | |||
446 | //System.err.println("angle1:" + angle1);
|
||
447 | //System.err.println("angle2:" + getAngle(center, p2));
|
||
448 | //System.err.println("angle3:" + angle2);
|
||
449 | //System.err.println("extent:" + extent);
|
||
450 | double Radio = init.distance(center);
|
||
451 | double xR = center.getX() - Radio;
|
||
452 | double yR = center.getY() - Radio;
|
||
453 | double w = 2.0 * Radio; |
||
454 | double h = w;
|
||
455 | |||
456 | Rectangle2D.Double rBounds = new Rectangle2D.Double(xR, yR, w, h); |
||
457 | Arc2D.Double resul = new Arc2D.Double(rBounds, |
||
458 | Math.toDegrees((Math.PI * 2) - angle1), Math.toDegrees(extent), |
||
459 | Arc2D.OPEN);
|
||
460 | |||
461 | return resul;
|
||
462 | } |
||
463 | |||
464 | /**
|
||
465 | 5076 | caballero | * Devuelve el punto a una distancia radio del punto p1 y aplicandole un ?ngulo an.
|
466 | 3784 | caballero | * una distancia radio de p1.
|
467 | *
|
||
468 | * @param p1 DOCUMENT ME!
|
||
469 | * @param p2 DOCUMENT ME!
|
||
470 | * @param radio DOCUMENT ME!
|
||
471 | *
|
||
472 | * @return DOCUMENT ME!
|
||
473 | */
|
||
474 | public static Point2D getPoint(Point2D p1, double an, double radio) { |
||
475 | double x=(radio*Math.cos(an))+p1.getX(); |
||
476 | double y=(radio*Math.sin(an))+p1.getY(); |
||
477 | |||
478 | Point2D p=new Point2D.Double(x,y); |
||
479 | |||
480 | return p;
|
||
481 | } |
||
482 | /**
|
||
483 | 3768 | caballero | * DOCUMENT ME!
|
484 | *
|
||
485 | * @param antp DOCUMENT ME!
|
||
486 | * @param lastp DOCUMENT ME!
|
||
487 | * @param interp DOCUMENT ME!
|
||
488 | * @param point DOCUMENT ME!
|
||
489 | *
|
||
490 | * @return DOCUMENT ME!
|
||
491 | */
|
||
492 | public static boolean isLowAngle(Point2D antp, Point2D lastp, |
||
493 | Point2D interp, Point2D point) { |
||
494 | ///double ob=lastp.distance(point);
|
||
495 | ///Point2D[] aux=getPerpendicular(lastp,interp,point);
|
||
496 | ///Point2D intersect=getIntersection(aux[0],aux[1],lastp,interp);
|
||
497 | ///double pb=intersect.distance(point);
|
||
498 | ///double a=Math.asin(pb/ob);
|
||
499 | Coordinate[] coords = new Coordinate[4]; |
||
500 | coords[0] = new Coordinate(lastp.getX(), lastp.getY()); |
||
501 | coords[1] = new Coordinate(interp.getX(), interp.getY()); |
||
502 | coords[2] = new Coordinate(point.getX(), point.getY()); |
||
503 | coords[3] = new Coordinate(lastp.getX(), lastp.getY()); |
||
504 | |||
505 | try {
|
||
506 | double angle1 = getAngle(antp, lastp);
|
||
507 | System.out.println("angle1= " + angle1); |
||
508 | |||
509 | double angle2 = getAngle(lastp, point);
|
||
510 | System.out.println("angle2= " + angle2); |
||
511 | |||
512 | /*if (lastp.getX()<antp.getX()){
|
||
513 | System.out.println("angleDiff 2 1= "+angleDistance(angle2,angle1));
|
||
514 | System.out.println("angleDiff 1 2= "+angleDistance(angle1,angle2));
|
||
515 | if (angleDistance(angle2,angle1)>Math.PI){
|
||
516 | |||
517 | if (RobustCGAlgorithms.isCCW(coords)) {
|
||
518 | System.out.println("izquierda,arriba,true");
|
||
519 | return true;
|
||
520 | } else{
|
||
521 | System.out.println("izquierda,arriba,false");
|
||
522 | }
|
||
523 | }else {
|
||
524 | if (!RobustCGAlgorithms.isCCW(coords)) {
|
||
525 | System.out.println("izquierda,abajo,true");
|
||
526 | return true;
|
||
527 | } else{
|
||
528 | System.out.println("izquierda,abajo,false");
|
||
529 | }
|
||
530 | }
|
||
531 | }else if (lastp.getX()>antp.getX()){
|
||
532 | */
|
||
533 | System.out.println("angleDifl 2 1= " + |
||
534 | angleDistance(angle2, angle1)); |
||
535 | System.out.println("angleDifl 1 2= " + |
||
536 | angleDistance(angle1, angle2)); |
||
537 | |||
538 | if (angleDistance(angle2, angle1) > Math.PI) { |
||
539 | if (RobustCGAlgorithms.isCCW(coords)) {
|
||
540 | System.out.println("derecha,arriba,true"); |
||
541 | |||
542 | return true; |
||
543 | } else {
|
||
544 | System.out.println("derecha,arriba,false"); |
||
545 | } |
||
546 | } else {
|
||
547 | if (!RobustCGAlgorithms.isCCW(coords)) {
|
||
548 | System.out.println("derecha,abajo,true"); |
||
549 | |||
550 | return true; |
||
551 | } else {
|
||
552 | System.out.println("derecha,abajo,false"); |
||
553 | } |
||
554 | } |
||
555 | |||
556 | //}
|
||
557 | } catch (Exception e) { |
||
558 | System.out.println("false"); |
||
559 | |||
560 | return true; |
||
561 | } |
||
562 | |||
563 | return false; |
||
564 | } |
||
565 | 3904 | fjp | public static void rotateGeom(IGeometry geometry, double radAngle, double basex, double basey) { |
566 | AffineTransform at = new AffineTransform(); |
||
567 | at.rotate(radAngle,basex,basey); |
||
568 | geometry.transform(at); |
||
569 | 5076 | caballero | |
570 | 3904 | fjp | } |
571 | public static void moveGeom(IGeometry geometry, double dx, double dy) { |
||
572 | AffineTransform at = new AffineTransform(); |
||
573 | at.translate(dx, dy); |
||
574 | geometry.transform(at); |
||
575 | 3768 | caballero | |
576 | 5076 | caballero | |
577 | 3904 | fjp | } |
578 | public static void scaleGeom(IGeometry geometry, Point2D basePoint, double sx, double sy) { |
||
579 | AffineTransform at = new AffineTransform(); |
||
580 | at.setToTranslation(basePoint.getX(),basePoint.getY()); |
||
581 | at.scale(sx,sy); |
||
582 | at.translate(-basePoint.getX(),-basePoint.getY()); |
||
583 | 5076 | caballero | geometry.transform(at); |
584 | 3904 | fjp | } |
585 | |||
586 | 1430 | fjp | } |