source: josm/trunk/test/unit/org/openstreetmap/josm/data/imagery/TemplatedWMSTileSourceTest.java@ 11859

Last change on this file since 11859 was 11859, checked in by bastiK, 9 years ago

see #7427 - fix test-compile
  • Property svn:eol-style set to native
File size: 10.4 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data.imagery;
3
4import static org.junit.Assert.assertEquals;
5import static org.junit.Assert.assertTrue;
6
7import org.junit.Rule;
8import org.junit.Test;
9import org.openstreetmap.gui.jmapviewer.TileXY;
10import org.openstreetmap.gui.jmapviewer.interfaces.ICoordinate;
11import org.openstreetmap.gui.jmapviewer.tilesources.TemplatedTMSTileSource;
12import org.openstreetmap.josm.Main;
13import org.openstreetmap.josm.data.Bounds;
14import org.openstreetmap.josm.data.coor.EastNorth;
15import org.openstreetmap.josm.data.coor.LatLon;
16import org.openstreetmap.josm.data.projection.CustomProjection;
17import org.openstreetmap.josm.data.projection.Projection;
18import org.openstreetmap.josm.data.projection.Projections;
19import org.openstreetmap.josm.testutils.JOSMTestRules;
20
21import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
22
23/**
24 * Unit tests for class {@link TemplatedWMSTileSource}.
25 */
26public class TemplatedWMSTileSourceTest {
27
28 private final ImageryInfo testImageryWMS = new ImageryInfo("test imagery", "http://localhost", "wms", null, null);
29 private final ImageryInfo testImageryTMS = new ImageryInfo("test imagery", "http://localhost", "tms", null, null);
30
31 /**
32 * Setup test.
33 */
34 @Rule
35 @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
36 public JOSMTestRules test = new JOSMTestRules();
37
38 /**
39 * Test EPSG:3857
40 */
41 @Test
42 public void testEPSG3857() {
43 Projection projection = Projections.getProjectionByCode("EPSG:3857");
44 Main.setProjection(projection);
45 TemplatedWMSTileSource source = new TemplatedWMSTileSource(testImageryWMS, projection);
46 verifyMercatorTile(source, 0, 0, 1);
47 verifyMercatorTile(source, 0, 0, 2);
48 verifyMercatorTile(source, 0, 1, 2);
49 verifyMercatorTile(source, 1, 0, 2);
50 verifyMercatorTile(source, 1, 1, 2);
51 for (int x = 0; x < 4; x++) {
52 for (int y = 0; y < 4; y++) {
53 verifyMercatorTile(source, x, y, 3);
54 verifyTileSquarness(source, x, y, 3);
55 }
56 }
57 verifyTileSquarness(source, 150, 20, 18);
58 verifyTileSquarness(source, 2270, 1323, 12);
59 verifyLocation(source, new LatLon(53.5937132, 19.5652017));
60 verifyLocation(source, new LatLon(53.501565692302854, 18.54455233898721));
61 }
62
63 /**
64 * Test EPSG:4326
65 */
66 @Test
67 public void testEPSG4326() {
68 Projection projection = Projections.getProjectionByCode("EPSG:4326");
69 Main.setProjection(projection);
70 TemplatedWMSTileSource source = getSource(projection);
71
72 verifyLocation(source, new LatLon(53.5937132, 19.5652017));
73 verifyLocation(source, new LatLon(53.501565692302854, 18.54455233898721));
74 verifyTileSquarness(source, 2, 2, 2);
75 verifyTileSquarness(source, 150, 20, 18);
76 verifyTileSquarness(source, 2270, 1323, 12);
77 }
78
79 /**
80 * Test EPSG:4326 - wide bounds
81 */
82 @Test
83 public void testEPSG4326widebounds() {
84 Projection projection = new CustomProjection("+proj=lonlat +datum=WGS84 +axis=neu +bounds=-180,53,180,54");
85 Main.setProjection(projection);
86 TemplatedWMSTileSource source = getSource(projection);
87
88 verifyLocation(source, new LatLon(53.5937132, 19.5652017));
89 verifyLocation(source, new LatLon(53.501565692302854, 18.54455233898721));
90 }
91
92 /**
93 * Test EPSG:4326 - narrow bounds
94 */
95 @Test
96 public void testEPSG4326narrowbounds() {
97 Projection projection = new CustomProjection("+proj=lonlat +datum=WGS84 +axis=neu +bounds=18,-90,20,90");
98 Main.setProjection(projection);
99 TemplatedWMSTileSource source = getSource(projection);
100
101 verifyLocation(source, new LatLon(53.5937132, 19.5652017));
102 verifyLocation(source, new LatLon(53.501565692302854, 18.54455233898721));
103 }
104
105 /**
106 * Test EPSG:2180
107 */
108 @Test
109 public void testEPSG2180() {
110 Projection projection = Projections.getProjectionByCode("EPSG:2180");
111 Main.setProjection(projection);
112 TemplatedWMSTileSource source = getSource(projection);
113
114 verifyLocation(source, new LatLon(53.5937132, 19.5652017));
115 verifyLocation(source, new LatLon(53.501565692302854, 18.54455233898721));
116
117 verifyTileSquarness(source, 2, 2, 2);
118 verifyTileSquarness(source, 150, 20, 18);
119 verifyTileSquarness(source, 2270, 1323, 12);
120 }
121
122 /**
123 * Test EPSG:3006 with bounds
124 */
125 @Test
126 public void testEPSG3006withbounds() {
127 Projection projection =
128 new CustomProjection("+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 "
129 + "+units=m +no_defs +axis=neu +wmssrs=EPSG:3006 +bounds=10.5700,55.2000,24.1800,69.1000 ");
130 Main.setProjection(projection);
131 TemplatedWMSTileSource source = getSource(projection);
132
133 verifyTileSquarness(source, 0, 1, 4);
134 verifyLocation(source, new LatLon(60, 18.1), 3);
135 verifyLocation(source, new LatLon(60, 18.1));
136 }
137
138 /**
139 * Test EPSG:3006 without bounds
140 */
141 @Test
142 public void testEPSG3006withoutbounds() {
143 Projection projection =
144 new CustomProjection("+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 "
145 + "+units=m +no_defs +axis=neu +wmssrs=EPSG:3006");
146 Main.setProjection(projection);
147 TemplatedWMSTileSource source = getSource(projection);
148
149 verifyTileSquarness(source, 0, 1, 4);
150 verifyLocation(source, new LatLon(60, 18.1), 3);
151 verifyLocation(source, new LatLon(60, 18.1));
152 }
153
154 private void verifyMercatorTile(TemplatedWMSTileSource source, int x, int y, int z) {
155 TemplatedTMSTileSource verifier = new TemplatedTMSTileSource(testImageryTMS);
156 LatLon result = getTileLatLon(source, x, y, z);
157 ICoordinate expected = verifier.tileXYToLatLon(x, y, z - 1);
158 assertEquals(expected.getLat(), result.lat(), 1e-4);
159 assertEquals(LatLon.normalizeLon(expected.getLon() - result.lon()), 0.0, 1e-4);
160 LatLon tileCenter = new Bounds(result, getTileLatLon(source, x+1, y+1, z)).getCenter();
161 TileXY backwardsResult = source.latLonToTileXY(tileCenter.toCoordinate(), z);
162 assertEquals(x, backwardsResult.getXIndex());
163 assertEquals(y, backwardsResult.getYIndex());
164 }
165
166 private void verifyLocation(TemplatedWMSTileSource source, LatLon location) {
167 for (int z = source.getMaxZoom(); z > source.getMinZoom() + 1; z--) {
168 if (source.getTileXMax(z) != source.getTileXMin(z) && source.getTileYMax(z) != source.getTileYMin(z)) {
169 // do the tests only where there is more than one tile
170 verifyLocation(source, location, z);
171 }
172 }
173 }
174
175 private void verifyLocation(TemplatedWMSTileSource source, LatLon location, int z) {
176 assertTrue(
177 "Point outside world bounds",
178 Main.getProjection().getWorldBoundsLatLon().contains(location)
179 );
180
181 TileXY tileIndex = source.latLonToTileXY(location.toCoordinate(), z);
182
183 assertTrue("X index: " + tileIndex.getXIndex() + " greater than tileXmax: " + source.getTileXMax(z) + " at zoom: " + z,
184 tileIndex.getXIndex() <= source.getTileXMax(z));
185
186 assertTrue("Y index: " + tileIndex.getYIndex() + " greater than tileYmax: " + source.getTileYMax(z) + " at zoom: " + z,
187 tileIndex.getYIndex() <= source.getTileYMax(z));
188
189 EastNorth locationEN = Main.getProjection().latlon2eastNorth(location);
190 EastNorth x1 = Main.getProjection().latlon2eastNorth(getTileLatLon(source, tileIndex, z));
191 EastNorth x2 = Main.getProjection().latlon2eastNorth(getTileLatLon(source, tileIndex.getXIndex() + 1, tileIndex.getYIndex() + 1, z));
192 // test that location is within tile bounds
193 assertTrue(locationEN.toString() + " not within " + bboxStr(x1, x2) +
194 " for tile " + z + "/" + tileIndex.getXIndex() + "/" + tileIndex.getYIndex(),
195 isWithin(locationEN, x1, x2));
196 verifyTileSquarness(source, tileIndex.getXIndex(), tileIndex.getYIndex(), z);
197 }
198
199 private static boolean isWithin(EastNorth point, EastNorth topLeft, EastNorth bottomRight) {
200 return Math.min(topLeft.east(), bottomRight.east()) <= point.east() &&
201 point.east() <= Math.max(topLeft.east(), bottomRight.east()) &&
202 Math.min(topLeft.north(), bottomRight.north()) <= point.north() &&
203 point.north() <= Math.max(topLeft.north(), bottomRight.north());
204 }
205
206 private static String bboxStr(EastNorth x1, EastNorth x2) {
207 return "[" + x1.east() +", " + x1.north() + ", " + x2.east() + ", " + x2.north() +"]";
208 }
209
210 private LatLon getTileLatLon(TemplatedWMSTileSource source, TileXY tileIndex, int z) {
211 return getTileLatLon(source, tileIndex.getXIndex(), tileIndex.getYIndex(), z);
212 }
213
214 private LatLon getTileLatLon(TemplatedWMSTileSource source, int x, int y, int z) {
215 return new LatLon(source.tileXYToLatLon(x, y, z));
216 }
217
218 private void verifyTileSquarness(TemplatedWMSTileSource source, int x, int y, int z) {
219 /**
220 * t1 | t2
221 * -------
222 * t3 | t4
223 */
224 EastNorth t1 = source.getTileEastNorth(x, y, z);
225 EastNorth t2 = source.getTileEastNorth(x + 1, y, z);
226 EastNorth t3 = source.getTileEastNorth(x, y + 1, z);
227 EastNorth t4 = source.getTileEastNorth(x + 1, y + 1, z);
228 double y_size = Math.abs(t1.getY() - t4.getY());
229 double x_size = Math.abs(t1.getX() - t4.getX());
230
231 assertEquals(x_size, y_size, Math.max(x_size, y_size) * 1e-06);
232 assertEquals(y_size, Math.abs(t1.getY() - t3.getY()), y_size * 1e-06);
233 assertEquals(x_size, Math.abs(t1.getX() - t2.getX()), x_size * 1e-06);
234
235 t1 = source.getTileEastNorth(x, y, z);
236 t2 = source.getTileEastNorth(x + 1, y, z);
237 t3 = source.getTileEastNorth(x, y + 1, z);
238 t4 = source.getTileEastNorth(x + 1, y + 1, z);
239 y_size = Math.abs(t1.getY() - t4.getY());
240 x_size = Math.abs(t1.getX() - t4.getX());
241 assertEquals(x_size, y_size, Math.max(x_size, y_size) * 1e-05);
242 assertEquals(y_size, Math.abs(t1.getY() - t3.getY()), y_size * 1e-05);
243 assertEquals(x_size, Math.abs(t1.getX() - t2.getX()), x_size * 1e-05);
244 }
245
246 private TemplatedWMSTileSource getSource(Projection projection) {
247 return new TemplatedWMSTileSource(testImageryWMS, projection);
248 }
249}
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