root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / FPolyline2DM.java @ 38563
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1 | 24154 | jpiera | package com.iver.cit.gvsig.fmap.core; |
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2 | |||
3 | 25515 | jpiera | import java.awt.geom.PathIterator; |
4 | import java.util.ArrayList; |
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5 | 24154 | jpiera | |
6 | 25515 | jpiera | import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
7 | import com.vividsolutions.jts.geom.Coordinate; |
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8 | import com.vividsolutions.jts.geom.CoordinateArrays; |
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9 | import com.vividsolutions.jts.geom.GeometryFactory; |
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10 | import com.vividsolutions.jts.geom.LineString; |
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11 | |||
12 | 24154 | jpiera | //import com.iver.andami.PluginServices;
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13 | |||
14 | |||
15 | /* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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16 | *
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17 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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18 | *
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19 | * This program is free software; you can redistribute it and/or
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20 | * modify it under the terms of the GNU General Public License
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21 | * as published by the Free Software Foundation; either version 2
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22 | * of the License, or (at your option) any later version.
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23 | *
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24 | * This program is distributed in the hope that it will be useful,
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25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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27 | * GNU General Public License for more details.
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28 | *
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29 | * You should have received a copy of the GNU General Public License
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30 | * along with this program; if not, write to the Free Software
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31 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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32 | *
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33 | * For more information, contact:
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34 | *
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35 | * Generalitat Valenciana
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36 | * Conselleria d'Infraestructures i Transport
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37 | * Av. Blasco Ib��ez, 50
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38 | * 46010 VALENCIA
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39 | * SPAIN
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40 | *
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41 | * +34 963862235
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42 | * gvsig@gva.es
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43 | * www.gvsig.gva.es
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44 | *
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45 | * or
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46 | *
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47 | * IVER T.I. S.A
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48 | * Salamanca 50
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49 | * 46005 Valencia
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50 | * Spain
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51 | *
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52 | * +34 963163400
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53 | * dac@iver.es
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54 | */
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55 | /* CVS MESSAGES:
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56 | *
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57 | * $Id: FPolyline2DM.java,v 1.1 2007/10/19 10:03:45 jorpiell Exp $
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58 | * $Log: FPolyline2DM.java,v $
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59 | * Revision 1.1 2007/10/19 10:03:45 jorpiell
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60 | * First commit
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61 | *
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62 | *
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63 | */
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64 | /**
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65 | * This object represents a polyline with the M coordinate.
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66 | * @author Jorge Piera LLodr� (jorge.piera@iver.es)
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67 | */
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68 | public class FPolyline2DM extends FPolyline2D implements FShapeM{ |
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69 | private static final long serialVersionUID = -617233536274899782L; |
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70 | 25515 | jpiera | private static final String NAME = "MULTILINESTRINGM"; |
71 | 24154 | jpiera | double[] pM = null; |
72 | |||
73 | 35335 | fpenarrubia | public FPolyline2DM(GeneralPathX gpx, double[] pM) { |
74 | 24154 | jpiera | super(gpx);
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75 | this.pM = pM;
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76 | } |
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77 | |||
78 | /*
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79 | * (non-Javadoc)
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80 | * @see com.iver.cit.gvsig.fmap.core.FShapeDS#getMs()
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81 | */
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82 | public double[] getMs() { |
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83 | return pM;
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84 | } |
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85 | 25515 | jpiera | |
86 | 24154 | jpiera | /*
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87 | * (non-Javadoc)
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88 | * @see com.iver.cit.gvsig.fmap.core.FPolyline3D#getShapeType()
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89 | */
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90 | public int getShapeType() { |
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91 | return FShape.LINE | FShape.M;
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92 | } |
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93 | 25515 | jpiera | |
94 | 24154 | jpiera | /*
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95 | * (non-Javadoc)
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96 | * @see com.iver.cit.gvsig.fmap.core.FPolyline3D#cloneFShape()
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97 | */
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98 | public FShape cloneFShape() {
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99 | return new FPolyline2DM((GeneralPathX) gp.clone(), (double[]) pM); |
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100 | } |
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101 | |||
102 | /*
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103 | * (non-Javadoc)
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104 | * @see com.iver.cit.gvsig.fmap.core.FShapeM#setMAt(int, double)
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105 | */
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106 | public void setMAt(int i, double value) { |
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107 | if (i < pM.length){
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108 | pM[i] = value; |
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109 | } |
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110 | } |
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111 | |||
112 | /*
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113 | * (non-Javadoc)
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114 | * @see com.iver.cit.gvsig.fmap.core.FShapeM#isDecreasing()
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115 | */
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116 | public boolean isDecreasing() { |
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117 | 26713 | jpiera | if (pM.length == 0){ |
118 | return false; |
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119 | } |
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120 | 24154 | jpiera | return (pM[0] > pM[pM.length-1]); |
121 | } |
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122 | 25515 | jpiera | |
123 | 24154 | jpiera | public void revertMs(){ |
124 | double totalDistance = Math.abs(pM[0] - pM[pM.length-1]); |
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125 | double[] percentages = new double[pM.length]; |
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126 | for (int i=1 ; i<percentages.length ; i++) |
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127 | { |
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128 | percentages [i] = (Math.abs(pM[i]-pM[i-1]))/totalDistance; |
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129 | } |
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130 | //The first value
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131 | double pm0 = pM[0]; |
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132 | if (!isDecreasing()){
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133 | pM[0] = pM[pM.length-1]; |
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134 | for (int i=1 ; i<pM.length-1 ; i++) |
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135 | { |
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136 | double increasing = percentages[i] * totalDistance;
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137 | pM[i] = pM[i-1] - increasing;
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138 | } |
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139 | }else{
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140 | pM[0] = pM[pM.length-1]; |
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141 | for (int i=1 ; i<pM.length-1 ; i++) |
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142 | { |
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143 | double decreasing = percentages[i] * totalDistance;
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144 | pM[i] = pM[i-1] + decreasing;
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145 | } |
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146 | } |
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147 | pM[pM.length-1] = pm0;
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148 | } |
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149 | 25515 | jpiera | |
150 | /**
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151 | * This method is used instead of the JTS ToString method. The reason is because
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152 | * JTS doesn't support the M coordinate
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153 | */
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154 | public String toText(){ |
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155 | StringBuffer str = new StringBuffer(); |
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156 | str.append(NAME); |
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157 | str.append(" ((");
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158 | int theType;
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159 | double[] theData = new double[6]; |
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160 | |||
161 | PathIterator theIterator = getPathIterator(null, FConverter.FLATNESS); |
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162 | int i = 0; |
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163 | |||
164 | while (!theIterator.isDone()) {
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165 | //while not done
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166 | theType = theIterator.currentSegment(theData); |
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167 | |||
168 | 26713 | jpiera | double m = 0.0; |
169 | if (i < pM.length){
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170 | m = pM[i]; |
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171 | } |
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172 | |||
173 | 25515 | jpiera | switch (theType) {
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174 | case PathIterator.SEG_MOVETO: |
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175 | 26713 | jpiera | str.append(theData[0] + " " + theData[1] + " " + m + ","); |
176 | 25515 | jpiera | break;
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177 | |||
178 | case PathIterator.SEG_LINETO: |
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179 | 26713 | jpiera | str.append(theData[0] + " " + theData[1] + " " + m + ","); |
180 | 25515 | jpiera | |
181 | break;
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182 | |||
183 | case PathIterator.SEG_QUADTO: |
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184 | System.out.println("Not supported here"); |
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185 | |||
186 | break;
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187 | |||
188 | case PathIterator.SEG_CUBICTO: |
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189 | System.out.println("Not supported here"); |
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190 | |||
191 | break;
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192 | |||
193 | case PathIterator.SEG_CLOSE: |
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194 | break;
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195 | } //end switch
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196 | |||
197 | theIterator.next(); |
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198 | i++; |
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199 | } //end while loop
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200 | return str.delete(str.length()-1, str.length()) + "))"; |
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201 | } |
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202 | 24154 | jpiera | } |