/**
* Asks the MapQuest API to generate the map-image url.
*
* @return
*/
public URL getTileUrl() {
try {
int scale = (int) MQSource.scaleList[zoomLevel.getZoomLevel()];
// the map is generated by the center coordinate
double lon = getCenterLon(scale);
double lat = getCenterLat(scale);
MQAPIWrapper apiWrapper = mqSource.getApiWrapper();
String mapImageUrl =
apiWrapper.getUrl(scale, lon, lat, MQSource.TILESIZE_WIDTH, MQSource.TILESIZE_HEIGHT);
return new URL(null, mapImageUrl, CorePlugin.RELAXED_HANDLER);
} catch (Exception e) {
WMTPlugin.log(
"[MQTile] Could not create the url for tile (Zoom: "
+ zoomLevel.getZoomLevel()
+ //$NON-NLS-1$
", X: "
+ getX()
+ ", "
+ getY(),
e); //$NON-NLS-1$ //$NON-NLS-2$
}
return null;
}
// region Build geo-resources list for service
public void buildGeoResources(WMTService service, List<IGeoResource> geoResources)
throws Exception {
geoResources.clear();
try {
List<?> tiledGroups = tiledPatterns.getChildren("TiledGroup"); // $NON-NLS-1$
buildGeoResourcesFromTiledGroups(service, geoResources, tiledGroups, ""); // $NON-NLS-1$
} catch (Exception exc) {
WMTPlugin.log("[NASASourceManager.buildGeoResources] Failed: ", exc); // $NON-NLS-1$
throw exc;
}
}
// region Build TreeItem for Wizard
public void buildWizardTree(TreeItem treeItem) {
NASAControl controlFactory = new NASAControl();
try {
List<?> tiledGroups = tiledPatterns.getChildren("TiledGroup"); // $NON-NLS-1$
WMTService service = serviceExtension.createService(NASASource.class);
List<IGeoResource> geoResources = service.emptyResourcesList(null);
geoResources.clear();
WMTWizardTreeItemData data = new WMTWizardTreeItemData(service, controlFactory);
treeItem.setData(data);
buildWizardTreeFromTiledGroups(
service, geoResources, treeItem, tiledGroups, "", controlFactory); // $NON-NLS-1$
} catch (Exception exc) {
WMTPlugin.log("[NASASourceManager.buildWizardTree] Failed: ", exc); // $NON-NLS-1$
}
}
private NASASourceManager() {
serviceExtension = new WMTServiceExtension();
try {
// open file
URL url = NASASource.class.getResource(TILESERVICE_FILE);
SAXBuilder builder = new SAXBuilder(false);
URLConnection connection = url.openConnection();
Document dom = builder.build(connection.getInputStream());
Element root = dom.getRootElement();
tiledPatterns = root.getChild("TiledPatterns"); // $NON-NLS-1$
} catch (Exception exc) {
WMTPlugin.log(
"[NASASourceManager] Loading tileservice-file failed: " + TILESERVICE_FILE,
exc); //$NON-NLS-1$
tiledPatterns = null;
}
}
