source: josm/trunk/src/org/openstreetmap/josm/data/projection/Puwg.java@ 2532

Last change on this file since 2532 was 2516, checked in by stoecker, 14 years ago

close #4015 - Zoomlevel changes whenever the preference dialog is closed
File size: 8.8 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
2// 2009 by Łukasz Stelmach
3package org.openstreetmap.josm.data.projection;
4
5import java.text.DecimalFormat;
6
7import static org.openstreetmap.josm.tools.I18n.tr;
8
9import java.awt.GridBagLayout;
10import java.util.Collection;
11import java.util.Collections;
12
13import javax.swing.JComboBox;
14import javax.swing.JLabel;
15import javax.swing.JPanel;
16
17import org.openstreetmap.josm.data.Bounds;
18import org.openstreetmap.josm.data.coor.EastNorth;
19import org.openstreetmap.josm.data.coor.LatLon;
20import org.openstreetmap.josm.tools.GBC;
21
22/**
23 * PUWG 1992 and 2000 are the official cordinate systems in Poland.
24 * They use the same math as UTM only with different constants.
25 *
26 * @author steelman
27 */
28public class Puwg extends UTM implements Projection,ProjectionSubPrefs {
29 public static final int DEFAULT_ZONE = 0;
30 private int zone = DEFAULT_ZONE;
31
32 private static PuwgData[] Zones = new PuwgData[]{
33 new Epsg2180(),
34 new Epsg2176(),
35 new Epsg2177(),
36 new Epsg2178(),
37 new Epsg2179()
38 };
39
40 private static DecimalFormat decFormatter = new DecimalFormat("###0");
41
42 public EastNorth latlon2eastNorth(LatLon p) {
43 PuwgData z = Zones[zone];
44 double easting = z.getPuwgFalseEasting();
45 double northing = z.getPuwgFalseNorthing();
46 double scale = z.getPuwgScaleFactor();
47 double center = z.getPuwgCentralMeridian(); /* in radians */
48 EastNorth a = MapLatLonToXY(Math.toRadians(p.lat()), Math.toRadians(p.lon()), center);
49 return new EastNorth(a.east() * scale + easting, a.north() * scale + northing);
50 }
51
52 public LatLon eastNorth2latlon(EastNorth p) {
53 PuwgData z = Zones[zone];
54 double easting = z.getPuwgFalseEasting();
55 double northing = z.getPuwgFalseNorthing();
56 double scale = z.getPuwgScaleFactor();
57 double center = z.getPuwgCentralMeridian(); /* in radians */
58 return MapXYToLatLon((p.east() - easting)/scale, (p.north() - northing)/scale, center);
59 }
60
61 @Override public String toString() {
62 return tr("PUWG (Poland)");
63 }
64
65 public String toCode() {
66 return Zones[zone].toCode();
67 }
68
69 @Override
70 public int hashCode() {
71 return getClass().getName().hashCode()+zone; // our only real variable
72 }
73
74 public String getCacheDirectoryName() {
75 return Zones[zone].getCacheDirectoryName();
76 }
77
78 public Bounds getWorldBoundsLatLon() {
79 return Zones[zone].getWorldBoundsLatLon();
80 }
81
82 public double getDefaultZoomInPPD() {
83 // This will set the scale bar to about 100 km
84 return 0.009;
85 }
86
87 public String eastToString(EastNorth p) {
88 return decFormatter.format(p.east());
89 }
90
91 public String northToString(EastNorth p) {
92 return decFormatter.format(p.north());
93 }
94
95 public void setupPreferencePanel(JPanel p) {
96 JComboBox prefcb = new JComboBox(Puwg.Zones);
97
98 prefcb.setSelectedIndex(zone);
99 p.setLayout(new GridBagLayout());
100 p.add(new JLabel(tr("PUWG Zone")), GBC.std().insets(5,5,0,5));
101 p.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
102 /* Note: we use component position 2 below to find this again */
103 p.add(prefcb, GBC.eop().fill(GBC.HORIZONTAL));
104 p.add(GBC.glue(1, 1), GBC.eol().fill(GBC.BOTH));
105 }
106
107 public Collection<String> getPreferences(JPanel p) {
108 Object prefcb = p.getComponent(2);
109 if(!(prefcb instanceof JComboBox))
110 return null;
111 int zone = ((JComboBox)prefcb).getSelectedIndex();
112 return Collections.singleton((Puwg.Zones[zone]).toCode());
113 }
114
115 public Collection<String> getPreferencesFromCode(String code)
116 {
117 for (Projection p : Puwg.Zones)
118 {
119 if(code.equals(p.toCode()))
120 return Collections.singleton(code);
121 }
122 return null;
123 }
124
125 public void setPreferences(Collection<String> args)
126 {
127 zone = DEFAULT_ZONE;
128 if(args != null)
129 {
130 try {
131 for(String s : args)
132 {
133 for (int i=0; i < Puwg.Zones.length; ++i)
134 if(s.equals(Zones[i].toCode()))
135 zone = i;
136 break;
137 }
138 } catch (NullPointerException e) {};
139 }
140 }
141}
142
143interface PuwgData extends Projection {
144 public double getPuwgCentralMeridianDeg();
145 public double getPuwgCentralMeridian();
146 public double getPuwgFalseEasting();
147 public double getPuwgFalseNorthing();
148 public double getPuwgScaleFactor();
149}
150
151class Epsg2180 implements PuwgData {
152
153 final private double Epsg2180FalseEasting = 500000.0; /* y */
154 final private double Epsg2180FalseNorthing = -5300000.0; /* x */
155 final private double Epsg2180ScaleFactor = 0.9993;
156 final private double Epsg2180CentralMeridian = 19.0;
157 private static DecimalFormat decFormatter = new DecimalFormat("###0");
158
159 @Override public String toString() {
160 return tr("PUWG 1992 (Poland)");
161 }
162
163 public String toCode() {
164 return "EPSG:2180";
165 }
166
167 public String getCacheDirectoryName() {
168 return "epsg2180";
169 }
170
171 public Bounds getWorldBoundsLatLon()
172 {
173 return new Bounds(
174 new LatLon(49.00, 14.12),
175 new LatLon(54.84, 24.15));
176 }
177
178 /* These two MUST NOT be used. Use Puwg implementation instead. */
179 public EastNorth latlon2eastNorth(LatLon p) { return null; }
180 public LatLon eastNorth2latlon(EastNorth p) { return null; }
181
182 public double getPuwgCentralMeridianDeg() { return Epsg2180CentralMeridian; }
183 public double getPuwgCentralMeridian() { return Math.toRadians(Epsg2180CentralMeridian); }
184 public double getPuwgFalseEasting() { return Epsg2180FalseEasting; }
185 public double getPuwgFalseNorthing() { return Epsg2180FalseNorthing; }
186 public double getPuwgScaleFactor() { return Epsg2180ScaleFactor; }
187
188 public double getDefaultZoomInPPD() {
189 // This will set the scale bar to about 100 km
190 return 0.009;
191 }
192
193 public String eastToString(EastNorth p) {
194 return decFormatter.format(p.east());
195 }
196
197 public String northToString(EastNorth p) {
198 return decFormatter.format(p.north());
199 }
200}
201
202abstract class Puwg2000 implements PuwgData {
203
204 final private double PuwgFalseEasting = 500000.0;
205 final private double PuwgFalseNorthing = 0;
206 final private double PuwgScaleFactor = 0.999923;
207 final private double[] Puwg2000CentralMeridian = {15.0, 18.0, 21.0, 24.0};
208 final private String[] Puwg2000Code = { "EPSG:2176", "EPSG:2177", "EPSG:2178", "EPSG:2179"};
209 final private String[] Puwg2000CDName = { "epsg2176", "epsg2177", "epsg2178", "epsg2179"};
210 private static DecimalFormat decFormatter = new DecimalFormat("###0.00");
211
212 @Override public String toString() {
213 return tr("PUWG 2000 Zone {0} (Poland)", Integer.toString(getZone()));
214 }
215
216 public String toCode() {
217 return Puwg2000Code[getZoneIndex()];
218 }
219
220 public String getCacheDirectoryName() {
221 return Puwg2000CDName[getZoneIndex()];
222 }
223
224 public Bounds getWorldBoundsLatLon()
225 {
226 return new Bounds(
227 new LatLon(49.00, (3 * getZone()) - 1.5),
228 new LatLon(54.84, (3 * getZone()) + 1.5));
229 }
230
231 /* These two MUST NOT be used. Use Puwg implementation instead. */
232 public EastNorth latlon2eastNorth(LatLon p) { return null; }
233 public LatLon eastNorth2latlon(EastNorth p) { return null; }
234
235 public double getPuwgCentralMeridianDeg() { return getZone() * 3.0; }
236 public double getPuwgCentralMeridian() { return Math.toRadians(getZone() * 3.0); }
237 public double getPuwgFalseNorthing() { return PuwgFalseNorthing;}
238 public double getPuwgFalseEasting() { return 1e6 * getZone() + PuwgFalseEasting; }
239 public double getPuwgScaleFactor() { return PuwgScaleFactor; }
240 public abstract int getZone();
241
242 public int getZoneIndex() { return getZone() - 5; }
243
244 public double getDefaultZoomInPPD() {
245 // This will set the scale bar to about 100 km
246 return 0.009;
247 }
248
249 public String eastToString(EastNorth p) {
250 return Integer.toString(getZone()) + decFormatter.format(p.east());
251 }
252
253 public String northToString(EastNorth p) {
254 return decFormatter.format(p.north());
255 }
256
257}
258
259class Epsg2176 extends Puwg2000 implements Projection {
260 final private int PuwgZone = 5;
261
262 public int getZone() { return PuwgZone; }
263}
264
265class Epsg2177 extends Puwg2000 implements Projection {
266 final private int PuwgZone = 6;
267
268 public int getZone() { return PuwgZone; }
269}
270
271class Epsg2178 extends Puwg2000 implements Projection {
272 final private int PuwgZone = 7;
273
274 public int getZone() { return PuwgZone; }
275}
276
277class Epsg2179 extends Puwg2000 implements Projection {
278 final private int PuwgZone = 8;
279
280 public int getZone() { return PuwgZone; }
281}
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