/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.tests.catalog.wmt;
import static org.junit.Assert.assertEquals;
import java.net.URL;
import java.net.URLConnection;
import org.locationtech.udig.catalog.internal.wmt.tile.WWTile;
import org.locationtech.udig.catalog.internal.wmt.wmtsource.WWSource;
import org.locationtech.udig.catalog.internal.wmt.wmtsource.ww.QuadTileSet;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.junit.Test;
import com.vividsolutions.jts.geom.Envelope;
public class QuadTileSetTest {
private static Element rootElement = null;
public static Element getRootElement() throws Exception {
if (rootElement == null) {
URL url = QuadTileSetTest.class.getResource("zoomit.xml");
SAXBuilder builder = new SAXBuilder(false);
URLConnection connection = url.openConnection();
Document dom = builder.build(connection.getInputStream());
rootElement = dom.getRootElement();
}
return rootElement;
}
@Test
public void testQuadTileConstruct() throws Exception {
Element rootElement = getRootElement();
QuadTileSet quadTileSet = new QuadTileSet(rootElement.getChild("ChildLayerSet").getChild("QuadTileSet"), "");
assertEquals("Bathymetry (30 arcsec)", quadTileSet.getName());
assertEquals("ReferencedEnvelope[-180.0 : 180.0, -90.0 : 90.0]", quadTileSet.getBounds().toString());
assertEquals("jpg", quadTileSet.getFileFormat());
assertEquals(512, quadTileSet.getTileSize());
assertEquals(6, quadTileSet.getScaleList().length);
// Lowest Zoom-Level
assertEquals(90, quadTileSet.getZoomLevel(0).getHeightInWorldUnits(), 0.0000000001);
assertEquals(2, quadTileSet.getZoomLevel(0).getMaxTilePerColNumber());
assertEquals(4, quadTileSet.getZoomLevel(0).getMaxTilePerRowNumber());
// Next Zoom-Level
assertEquals(45, quadTileSet.getZoomLevel(1).getHeightInWorldUnits(), 0.0000000001);
assertEquals(4, quadTileSet.getZoomLevel(1).getMaxTilePerColNumber());
assertEquals(8, quadTileSet.getZoomLevel(1).getMaxTilePerRowNumber());
// Url-Construction
assertEquals("http://s2.tileservice.worldwindcentral.com/getTile?T=global.topo_bathy_30arc&firstLevel=1&L=0&X=0&Y=0",
quadTileSet.getZoomLevel(0).getTileUrl(
new WWTile.WWTileName(0, 0, quadTileSet.getZoomLevel(0), null)));
}
@Test
public void testTiles() throws Exception {
Element rootElement = getRootElement();
QuadTileSet quadTileSet = new QuadTileSet(rootElement.getChild("ChildLayerSet").getChild("QuadTileSet"), "");
WWSource wwSource = new WWSource(quadTileSet);
assertEquals(2, wwSource.getZoomLevel(0).getMaxTilePerColNumber());
assertEquals(4, wwSource.getZoomLevel(0).getMaxTilePerRowNumber());
WWTile tile1 = new WWTile(0, 0, wwSource.getZoomLevel(0), wwSource);
assertEquals(new Envelope(-180, -90, -90, 0), tile1.getBounds());
WWTile tile2 = tile1.getRightNeighbour();
assertEquals(new Envelope(-90, 0, -90, 0), tile2.getBounds());
WWTile tile3 = tile1.getLowerNeighbour();
assertEquals(new Envelope(-180, -90, 0, 90), tile3.getBounds());
assertEquals("0/0/1", tile3.getTileName().toString());
WWTile tile4 = tile3.getRightNeighbour();
assertEquals(new Envelope(-90, 0, 0, 90), tile4.getBounds());
assertEquals(tile4, tile4.getLowerNeighbour().getLowerNeighbour());
}
}