svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.projection / org.gvsig.projection.cresques / org.gvsig.projection.cresques.impl / src / main / java / org / cresques / impl / geo / Projection.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40455 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40455 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40455 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40455 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40455 | jjdelcerro | */
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24 | package org.cresques.impl.geo; |
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25 | |||
26 | import org.cresques.cts.IDatum; |
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27 | import org.cresques.cts.IProjection; |
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28 | import org.cresques.geo.ViewPortData; |
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29 | import org.gvsig.fmap.crs.CRSFactory; |
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30 | |||
31 | import java.awt.Color; |
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32 | import java.awt.Graphics2D; |
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33 | import java.awt.geom.Point2D; |
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34 | |||
35 | |||
36 | abstract public class Projection implements IProjection { |
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37 | public static int NORTH = 0; |
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38 | public static int SOUTH = 1; |
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39 | static String name = "Sin Proyeccion"; |
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40 | static String abrev = "None"; |
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41 | private static final Color basicGridColor = new Color(64, 64, 64, 128); |
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42 | Color gridColor = basicGridColor;
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43 | Ellipsoid eli = Ellipsoid.hayford; |
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44 | Graticule grid; |
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45 | |||
46 | public Projection() {
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47 | eli = Ellipsoid.hayford; |
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48 | } |
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49 | |||
50 | public Projection(Ellipsoid e) {
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51 | eli = e; |
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52 | } |
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53 | |||
54 | public String getName() { |
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55 | return name;
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56 | } |
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57 | |||
58 | abstract public String getAbrev(); |
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59 | |||
60 | public IDatum getDatum() {
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61 | return eli;
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62 | } |
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63 | |||
64 | public double[] getElliPar() { |
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65 | return eli.getParam();
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66 | } |
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67 | |||
68 | abstract public Point2D createPoint(double x, double y); |
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69 | |||
70 | public Point2D createPoint(Point2D pt) { |
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71 | return createPoint(pt.getX(), pt.getY());
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72 | } |
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73 | |||
74 | public static IProjection getProjectionByName(IDatum eli, String name) { |
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75 | if (name.indexOf("UTM") >= 0) { |
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76 | return UtmZone.getProjectionByName(eli, name);
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77 | } |
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78 | |||
79 | if (name.indexOf("GEO") >= 0) { |
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80 | return Geodetic.getProjectionByName(eli, name);
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81 | } |
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82 | |||
83 | if (name.indexOf("MERC") >= 0) { |
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84 | return Mercator.getProjectionByName(eli, name);
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85 | } |
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86 | |||
87 | return null; |
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88 | } |
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89 | |||
90 | public ReProjection getReproyectionTo(Projection proj) {
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91 | ReProjection rp = new ReProjection(this, proj); |
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92 | |||
93 | return rp;
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94 | } |
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95 | |||
96 | abstract public Point2D toGeo(Point2D pt); |
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97 | |||
98 | abstract public Point2D fromGeo(Point2D gPt, Point2D mPt); |
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99 | |||
100 | public void setGridColor(Color c) { |
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101 | gridColor = c; |
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102 | } |
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103 | |||
104 | public Color getGridColor() { |
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105 | return gridColor;
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106 | } |
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107 | |||
108 | public static String coordToString(double coord, String fmt, boolean isLat) { |
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109 | String txt = fmt;
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110 | int donde;
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111 | donde = txt.indexOf("%G");
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112 | |||
113 | if (donde >= 0) { |
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114 | int deg = (int) coord; |
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115 | |||
116 | if ((fmt.indexOf("%N") >= 0) && (deg < 0)) { |
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117 | deg = -deg; |
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118 | } |
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119 | |||
120 | txt = txt.substring(0, donde) + Integer.toString(deg) + |
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121 | txt.substring(donde + 2);
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122 | } |
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123 | |||
124 | donde = txt.indexOf("%M");
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125 | |||
126 | if (donde >= 0) { |
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127 | int min = (int) ((coord - (int) coord) * 60.0) % 60; |
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128 | |||
129 | if ((fmt.indexOf("%N") >= 0) && (min < 0)) { |
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130 | min = -min; |
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131 | } |
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132 | |||
133 | txt = txt.substring(0, donde) + Integer.toString(min) + |
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134 | txt.substring(donde + 2);
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135 | ; |
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136 | } |
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137 | |||
138 | donde = txt.indexOf("%N");
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139 | |||
140 | if (donde >= 0) { |
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141 | String t = ""; |
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142 | |||
143 | if (isLat) {
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144 | if (coord > 0) { |
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145 | t = "N";
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146 | } else if (coord < 0) { |
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147 | t = "S";
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148 | } |
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149 | } else {
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150 | if (coord > 0) { |
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151 | t = "E";
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152 | } else if (coord < 0) { |
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153 | t = "W";
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154 | } |
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155 | } |
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156 | |||
157 | txt = txt.substring(0, donde) + t + txt.substring(donde + 2); |
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158 | ; |
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159 | } |
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160 | |||
161 | return txt;
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162 | } |
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163 | |||
164 | abstract public void drawGrid(Graphics2D g, ViewPortData vp); |
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165 | |||
166 | public boolean isProjected() { |
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167 | return false; |
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168 | } |
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169 | |||
170 | public Object clone() throws CloneNotSupportedException { |
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171 | return CRSFactory.getCRS( this.getFullCode() ); |
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172 | } |
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173 | |||
174 | } |