/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.layer.wms;
import com.vividsolutions.jts.geom.Envelope;
import junit.framework.Assert;
import org.geomajas.geometry.Crs;
import org.geomajas.global.ExceptionCode;
import org.geomajas.global.GeomajasException;
import org.geomajas.layer.tile.RasterTile;
import org.geomajas.service.GeoService;
import org.geotools.geometry.jts.JTS;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.List;
/**
* Test for {@link WmsLayer}.
*
* @author Joachim Van der Auwera
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "/org/geomajas/spring/geomajasContext.xml", "/wmsContext.xml" })
public class WmsLayerTest {
private static final double ZOOMED_IN_SCALE = .0001;
private static final double MAX_LEVEL_SCALE = .4;
private static final double DELTA = 1e-10;
private static final String MERCATOR = "EPSG:900913";
private static final String LONLAT = "EPSG:4326";
@Autowired
@Qualifier("bluemarble")
private WmsLayer wms;
@Autowired
@Qualifier("proxyBlue")
private WmsLayer proxyWms;
@Autowired
@Qualifier("defaultBlue")
private WmsLayer defaultWms;
@Autowired
private GeoService geoService;
@Test
public void testLevels() throws Exception {
// this test failed before http://jira.geomajas.org/browse/WMS-18
Crs latlon = geoService.getCrs2(LONLAT);
Envelope latlonEnvelope = null;
for (int level = 0; level < 32; level++) {
double latlonScale = Math.pow(2, level);
// must reduce envelope as we zoom
latlonEnvelope = new Envelope(-180, -180 + 1.0 / latlonScale, -412, -412 + 1.0 / latlonScale);
List<RasterTile> tiles = wms.paint(latlon, latlonEnvelope, latlonScale);
Assert.assertEquals(1, tiles.size());
Assert.assertEquals(level, tiles.get(0).getCode().getTileLevel());
Assert.assertEquals(512, tiles.get(0).getBounds().getHeight(), DELTA);
Assert.assertEquals(512, tiles.get(0).getBounds().getWidth(), DELTA);
}
}
@Test
public void testNormalOne() throws Exception {
Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
Crs latlon = geoService.getCrs2(LONLAT);
Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
.getEnvelopeInternal();
// back-transform scale to latlon
double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = wms.paint(latlon, latlonEnvelope, latlonScale);
Assert.assertEquals(1, tiles.size());
RasterTile tile = tiles.get(0);
// ZOOMED_IN_SCALE 1E-4 corresponds to level 4 with current algorithm !!!!
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&"
+ "layers=bluemarble&WIDTH=512&HEIGHT=512&"
+ "bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,3.7729241933019466&"
+ "format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tile.getUrl());
Assert.assertEquals(4, tile.getCode().getTileLevel());
Assert.assertEquals(5, tile.getCode().getX());
Assert.assertEquals(12, tile.getCode().getY());
Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}
@Test
public void testNormalSeveral() throws Exception {
// move up north to test latlon flattening
Envelope googleEnvelope = new Envelope(10000, 11000, 6005000, 6006000);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
Crs latlon = geoService.getCrs2(LONLAT);
Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
.getEnvelopeInternal();
// back-transform scale to latlon
double latlonScale = MAX_LEVEL_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = wms.paint(latlon, latlonEnvelope, latlonScale);
Assert.assertEquals(4, tiles.size());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.08895567100992707,47.37804639974752,0.09677101398176689,"
+ "47.38586174271936&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tiles
.get(0).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.08895567100992707,47.38586174271936,0.09677101398176689,"
+ "47.393677085691195&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap",
tiles.get(1).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.09677101398176689,47.37804639974752,0.10458635695360671,"
+ "47.38586174271936&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tiles
.get(2).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.09677101398176689,47.38586174271936,0.10458635695360671,"
+ "47.393677085691195&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap",
tiles.get(3).getUrl());
RasterTile tile = tiles.get(3);
// MAX_LEVEL_SCALE 0.4 corresponds to level 16 with current algorithm !!!!
Assert.assertEquals(16, tile.getCode().getTileLevel());
Assert.assertEquals(23044, tile.getCode().getX());
Assert.assertEquals(58780, tile.getCode().getY());
Assert.assertEquals(4309.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-2110336.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(348.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(348.0, tile.getBounds().getWidth(), DELTA);
}
@Test
public void testReprojectOne() throws Exception {
Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = wms.paint(google, googleEnvelope, ZOOMED_IN_SCALE);
Assert.assertEquals(1, tiles.size());
RasterTile tile = tiles.get(0);
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&"
+ "layers=bluemarble&WIDTH=512&HEIGHT=512&"
+ "bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,3.7729241933019466&"
+ "format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tile.getUrl());
Assert.assertEquals(4, tile.getCode().getTileLevel());
Assert.assertEquals(5, tile.getCode().getX());
Assert.assertEquals(12, tile.getCode().getY());
Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(370.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}
@Test
public void testReprojectSeveral() throws Exception {
// move up north to test latlon flattening
Envelope googleEnvelope = new Envelope(10000, 11000, 6005000, 6006000);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = wms.paint(google, googleEnvelope, MAX_LEVEL_SCALE);
Assert.assertEquals(4, tiles.size());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.08895567100992707,47.37804639974752,0.09677101398176689,"
+ "47.38586174271936&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tiles
.get(0).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.08895567100992707,47.38586174271936,0.09677101398176689,"
+ "47.393677085691195&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap",
tiles.get(1).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.09677101398176689,47.37804639974752,0.10458635695360671,"
+ "47.38586174271936&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap", tiles
.get(2).getUrl());
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=0.09677101398176689,47.38586174271936,0.10458635695360671,"
+ "47.393677085691195&format=image/jpeg&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap",
tiles.get(3).getUrl());
RasterTile tile = tiles.get(3);
// MAX_LEVEL_SCALE 0.4 corresponds to level 16 !!!!
Assert.assertEquals(16, tile.getCode().getTileLevel());
Assert.assertEquals(23044, tile.getCode().getX());
Assert.assertEquals(58780, tile.getCode().getY());
Assert.assertEquals(4309.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-2402628.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(514.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(348.0, tile.getBounds().getWidth(), DELTA);
// test alignment on grid
double x = tiles.get(0).getBounds().getX();
double y = tiles.get(0).getBounds().getY();
double width = tiles.get(0).getBounds().getWidth();
double height = tiles.get(0).getBounds().getHeight();
for (int i = 0; i <= 1; i++) {
for (int j = 0; j <= 1; j++) {
Assert.assertEquals(x + i * width, tiles.get(2 * i + j).getBounds().getX(), DELTA);
Assert.assertEquals(y - j * height, tiles.get(2 * i + j).getBounds().getY(), DELTA);
Assert.assertEquals(width, tiles.get(2 * i + j).getBounds().getWidth(), DELTA);
Assert.assertEquals(height, tiles.get(2 * i + j).getBounds().getHeight(), DELTA);
}
}
}
@Test
public void testProxyOne() throws Exception {
Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
Crs latlon = geoService.getCrs2(LONLAT);
Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
.getEnvelopeInternal();
// back-transform scale to latlon
double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = proxyWms.paint(latlon, latlonEnvelope, latlonScale);
Assert.assertEquals(1, tiles.size());
RasterTile tile = tiles.get(0);
Assert.assertEquals("./d/wms/proxyBlue/?SERVICE=WMS&layers=bluemarble&WIDTH=512&HEIGHT=512&"
+ "bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,3.7729241933019466&"
+ "format=image/jpeg&version=1.3.0&crs=EPSG:4326&styles=&request=GetMap", tile.getUrl());
Assert.assertEquals(4, tile.getCode().getTileLevel());
Assert.assertEquals(5, tile.getCode().getX());
Assert.assertEquals(12, tile.getCode().getY());
Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}
@Test
public void testDefaultsOne() throws Exception {
Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);
// back-transform envelope to latlon
Crs google = geoService.getCrs2(MERCATOR);
Crs latlon = geoService.getCrs2(LONLAT);
Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
.getEnvelopeInternal();
// back-transform scale to latlon
double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
// paint with reprojection (affine is fine for now...:-)
List<RasterTile> tiles = defaultWms.paint(latlon, latlonEnvelope, latlonScale);
Assert.assertEquals(1, tiles.size());
RasterTile tile = tiles.get(0);
Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
+ "WIDTH=512&HEIGHT=512&bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,"
+ "3.7729241933019466&format=image/png&version=1.1.1&srs=EPSG:4326&styles=&request=GetMap",
tile.getUrl());
Assert.assertEquals(4, tile.getCode().getTileLevel());
Assert.assertEquals(5, tile.getCode().getX());
Assert.assertEquals(12, tile.getCode().getY());
Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}
@Test
public void noBaseWmsUrl() throws Exception {
try {
loadApplicationContext("/wmsInvalidContext.xml");
Assert.fail("invalid layer declaration was allowed");
} catch (GeomajasException ge) {
Assert.assertEquals(ExceptionCode.PARAMETER_MISSING, ge.getExceptionCode());
}
}
private ApplicationContext loadApplicationContext(String location) throws Exception {
String[] locations = new String[2];
locations[0] = "/org/geomajas/spring/geomajasContext.xml";
locations[1] = location;
try {
return new ClassPathXmlApplicationContext(locations);
} catch (Exception ex) {
Throwable ge = ex;
while (null != ge) {
if (ge instanceof GeomajasException) {
throw (GeomajasException) ge;
}
ge = ge.getCause();
}
throw ex;
}
}
}