package de.fhpotsdam.unfolding.providers;
import de.fhpotsdam.unfolding.core.Coordinate;
import de.fhpotsdam.unfolding.geo.MercatorProjection;
import de.fhpotsdam.unfolding.geo.Transformation;
/**
* Various map tiles from OpenStreetMap.
*/
public class OpenStreetMap {
public static abstract class GenericOpenStreetMapProvider extends AbstractMapTileUrlProvider {
public GenericOpenStreetMapProvider() {
super(new MercatorProjection(26, new Transformation(1.068070779e7, 0.0, 3.355443185e7, 0.0,
-1.068070890e7, 3.355443057e7)));
}
public String getZoomString(Coordinate coordinate) {
return (int) coordinate.zoom + "/" + (int) coordinate.column + "/" + (int) coordinate.row;
}
public int tileWidth() {
return 256;
}
public int tileHeight() {
return 256;
}
public abstract String[] getTileUrls(Coordinate coordinate);
}
public static class OpenStreetMapProvider extends GenericOpenStreetMapProvider {
public String[] getTileUrls(Coordinate coordinate) {
String url = "http://tile.openstreetmap.org/" + getZoomString(coordinate) + ".png";
return new String[] { url };
}
}
public static class OSMGrayProvider extends GenericOpenStreetMapProvider {
public String[] getTileUrls(Coordinate coordinate) {
String url = "http://a.www.toolserver.org/tiles/bw-mapnik/" + getZoomString(coordinate) + ".png";
return new String[] { url };
}
}
/**
* Map tiles with custom styled maps via CloudMade with OpenStreetMap data.
*/
public static class CloudmadeProvider extends GenericOpenStreetMapProvider {
private String api_key;
private int style_id;
public CloudmadeProvider(String _api_key, int _style_id) {
api_key = _api_key;
style_id = _style_id;
}
public String[] getTileUrls(Coordinate coordinate) {
String url = "http://a.tile.cloudmade.com/" + api_key + "/" + style_id + "/256/"
+ getZoomString(coordinate) + ".png";
return new String[] { url };
}
}
}