1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | // 2009 by Łukasz Stelmach
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3 | package org.openstreetmap.josm.data.projection;
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4 |
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.GridBagLayout;
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8 | import java.text.DecimalFormat;
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9 | import java.util.Collection;
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10 | import java.util.Collections;
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11 |
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12 | import javax.swing.JComboBox;
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13 | import javax.swing.JLabel;
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14 | import javax.swing.JPanel;
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15 |
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16 | import org.openstreetmap.josm.data.Bounds;
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17 | import org.openstreetmap.josm.data.coor.EastNorth;
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18 | import org.openstreetmap.josm.data.coor.LatLon;
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19 | import org.openstreetmap.josm.tools.GBC;
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20 |
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21 | /**
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22 | * PUWG 1992 and 2000 are the official cordinate systems in Poland.
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23 | * They use the same math as UTM only with different constants.
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24 | *
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25 | * @author steelman
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26 | */
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27 | public class Puwg extends UTM implements Projection,ProjectionSubPrefs {
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28 | public static final int DEFAULT_ZONE = 0;
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29 | private int zone = DEFAULT_ZONE;
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30 |
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31 | private static PuwgData[] Zones = new PuwgData[]{
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32 | new Epsg2180(),
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33 | new Epsg2176(),
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34 | new Epsg2177(),
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35 | new Epsg2178(),
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36 | new Epsg2179()
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37 | };
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38 |
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39 | private static DecimalFormat decFormatter = new DecimalFormat("###0");
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40 |
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41 | @Override
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42 | public EastNorth latlon2eastNorth(LatLon p) {
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43 | PuwgData z = Zones[zone];
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44 | double easting = z.getPuwgFalseEasting();
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45 | double northing = z.getPuwgFalseNorthing();
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46 | double scale = z.getPuwgScaleFactor();
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47 | double center = z.getPuwgCentralMeridian(); /* in radians */
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48 | EastNorth a = mapLatLonToXY(Math.toRadians(p.lat()), Math.toRadians(p.lon()), center);
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49 | return new EastNorth(a.east() * scale + easting, a.north() * scale + northing);
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50 | }
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51 |
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52 | @Override
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53 | public LatLon eastNorth2latlon(EastNorth p) {
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54 | PuwgData z = Zones[zone];
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55 | double easting = z.getPuwgFalseEasting();
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56 | double northing = z.getPuwgFalseNorthing();
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57 | double scale = z.getPuwgScaleFactor();
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58 | double center = z.getPuwgCentralMeridian(); /* in radians */
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59 | return mapXYToLatLon((p.east() - easting)/scale, (p.north() - northing)/scale, center);
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60 | }
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61 |
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62 | @Override public String toString() {
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63 | return tr("PUWG (Poland)");
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64 | }
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65 |
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66 | @Override
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67 | public String toCode() {
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68 | return Zones[zone].toCode();
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69 | }
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70 |
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71 | @Override
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72 | public int hashCode() {
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73 | return getClass().getName().hashCode()+zone; // our only real variable
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74 | }
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75 |
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76 | @Override
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77 | public String getCacheDirectoryName() {
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78 | return Zones[zone].getCacheDirectoryName();
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79 | }
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80 |
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81 | @Override
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82 | public Bounds getWorldBoundsLatLon() {
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83 | return Zones[zone].getWorldBoundsLatLon();
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84 | }
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85 |
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86 | @Override
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87 | public double getDefaultZoomInPPD() {
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88 | // This will set the scale bar to about 100 km
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89 | return 0.009;
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90 | }
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91 |
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92 | public String eastToString(EastNorth p) {
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93 | return decFormatter.format(p.east());
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94 | }
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95 |
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96 | public String northToString(EastNorth p) {
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97 | return decFormatter.format(p.north());
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98 | }
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99 |
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100 | @Override
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101 | public void setupPreferencePanel(JPanel p) {
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102 | JComboBox prefcb = new JComboBox(Puwg.Zones);
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103 |
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104 | prefcb.setSelectedIndex(zone);
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105 | p.setLayout(new GridBagLayout());
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106 | p.add(new JLabel(tr("PUWG Zone")), GBC.std().insets(5,5,0,5));
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107 | p.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
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108 | /* Note: we use component position 2 below to find this again */
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109 | p.add(prefcb, GBC.eop().fill(GBC.HORIZONTAL));
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110 | p.add(GBC.glue(1, 1), GBC.eol().fill(GBC.BOTH));
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111 | }
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112 |
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113 | @Override
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114 | public Collection<String> getPreferences(JPanel p) {
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115 | Object prefcb = p.getComponent(2);
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116 | if(!(prefcb instanceof JComboBox))
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117 | return null;
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118 | int zone = ((JComboBox)prefcb).getSelectedIndex();
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119 | return Collections.singleton((Puwg.Zones[zone]).toCode());
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120 | }
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121 |
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122 | @Override
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123 | public Collection<String> getPreferencesFromCode(String code)
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124 | {
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125 | for (PuwgData p : Puwg.Zones)
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126 | {
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127 | if(code.equals(p.toCode()))
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128 | return Collections.singleton(code);
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129 | }
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130 | return null;
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131 | }
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132 |
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133 | @Override
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134 | public void setPreferences(Collection<String> args)
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135 | {
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136 | zone = DEFAULT_ZONE;
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137 | if(args != null)
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138 | {
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139 | try {
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140 | for(String s : args)
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141 | {
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142 | for (int i=0; i < Puwg.Zones.length; ++i)
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143 | if(s.equals(Zones[i].toCode())) {
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144 | zone = i;
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145 | }
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146 | break;
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147 | }
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148 | } catch (NullPointerException e) {}
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149 | }
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150 | }
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151 | }
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152 |
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153 | interface PuwgData {
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154 | double getPuwgCentralMeridianDeg();
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155 | double getPuwgCentralMeridian();
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156 | double getPuwgFalseEasting();
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157 | double getPuwgFalseNorthing();
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158 | double getPuwgScaleFactor();
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159 |
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160 | // Projection methods
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161 | String toCode();
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162 | String getCacheDirectoryName();
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163 | Bounds getWorldBoundsLatLon();
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164 | }
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165 |
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166 | class Epsg2180 implements PuwgData {
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167 |
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168 | private static final double Epsg2180FalseEasting = 500000.0; /* y */
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169 | private static final double Epsg2180FalseNorthing = -5300000.0; /* x */
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170 | private static final double Epsg2180ScaleFactor = 0.9993;
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171 | private static final double Epsg2180CentralMeridian = 19.0;
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172 |
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173 | @Override public String toString() {
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174 | return tr("PUWG 1992 (Poland)");
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175 | }
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176 |
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177 | public String toCode() {
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178 | return "EPSG:2180";
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179 | }
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180 |
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181 | public String getCacheDirectoryName() {
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182 | return "epsg2180";
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183 | }
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184 |
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185 | public Bounds getWorldBoundsLatLon()
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186 | {
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187 | return new Bounds(
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188 | new LatLon(49.00, 14.12),
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189 | new LatLon(54.84, 24.15));
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190 | }
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191 |
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192 | public double getPuwgCentralMeridianDeg() { return Epsg2180CentralMeridian; }
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193 | public double getPuwgCentralMeridian() { return Math.toRadians(Epsg2180CentralMeridian); }
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194 | public double getPuwgFalseEasting() { return Epsg2180FalseEasting; }
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195 | public double getPuwgFalseNorthing() { return Epsg2180FalseNorthing; }
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196 | public double getPuwgScaleFactor() { return Epsg2180ScaleFactor; }
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197 | }
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198 |
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199 | abstract class Puwg2000 implements PuwgData {
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200 |
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201 | private static final double PuwgFalseEasting = 500000.0;
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202 | private static final double PuwgFalseNorthing = 0;
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203 | private static final double PuwgScaleFactor = 0.999923;
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204 | //final private double[] Puwg2000CentralMeridian = {15.0, 18.0, 21.0, 24.0};
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205 | final private String[] Puwg2000Code = { "EPSG:2176", "EPSG:2177", "EPSG:2178", "EPSG:2179"};
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206 | final private String[] Puwg2000CDName = { "epsg2176", "epsg2177", "epsg2178", "epsg2179"};
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207 |
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208 | @Override public String toString() {
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209 | return tr("PUWG 2000 Zone {0} (Poland)", Integer.toString(getZone()));
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210 | }
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211 |
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212 | public String toCode() {
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213 | return Puwg2000Code[getZoneIndex()];
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214 | }
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215 |
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216 | public String getCacheDirectoryName() {
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217 | return Puwg2000CDName[getZoneIndex()];
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218 | }
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219 |
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220 | public Bounds getWorldBoundsLatLon()
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221 | {
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222 | return new Bounds(
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223 | new LatLon(49.00, (3 * getZone()) - 1.5),
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224 | new LatLon(54.84, (3 * getZone()) + 1.5));
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225 | }
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226 |
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227 | public double getPuwgCentralMeridianDeg() { return getZone() * 3.0; }
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228 | public double getPuwgCentralMeridian() { return Math.toRadians(getZone() * 3.0); }
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229 | public double getPuwgFalseNorthing() { return PuwgFalseNorthing;}
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230 | public double getPuwgFalseEasting() { return 1e6 * getZone() + PuwgFalseEasting; }
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231 | public double getPuwgScaleFactor() { return PuwgScaleFactor; }
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232 | public abstract int getZone();
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233 |
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234 | public int getZoneIndex() { return getZone() - 5; }
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235 |
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236 | }
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237 |
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238 | class Epsg2176 extends Puwg2000 {
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239 | private static final int PuwgZone = 5;
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240 |
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241 | @Override
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242 | public int getZone() { return PuwgZone; }
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243 | }
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244 |
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245 | class Epsg2177 extends Puwg2000 {
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246 | private static final int PuwgZone = 6;
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247 |
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248 | @Override
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249 | public int getZone() { return PuwgZone; }
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250 | }
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251 |
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252 | class Epsg2178 extends Puwg2000 {
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253 | private static final int PuwgZone = 7;
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254 |
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255 | @Override
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256 | public int getZone() { return PuwgZone; }
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257 | }
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258 |
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259 | class Epsg2179 extends Puwg2000 {
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260 | private static final int PuwgZone = 8;
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261 |
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262 | @Override
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263 | public int getZone() { return PuwgZone; }
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264 | }
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