Android Open Source - aBusTripMK Open Street Map Renderer Info

From Project

Back to project page aBusTripMK.
License

The source code is released under:
GNU General Public License
If you think the Android project aBusTripMK listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

// Created by plusminus on 18:23:16 - 25.09.2008
package org.andnav.osm.views.util;
//  www  .j  a va2s. co  m
import org.andnav.osm.R;
import org.andnav.osm.services.util.OpenStreetMapTile;

/**
 * The OpenStreetMapRendererInfo stores information about available tile servers.
 * @author Nicolas Gramlich
 *
 */
public enum OpenStreetMapRendererInfo {
        OSMARENDER("http://tah.openstreetmap.org/Tiles/tile/", R.string.osmarender, ".png", 0, 17, 8, CodeScheme.X_Y),
        MAPNIK("http://tile.openstreetmap.org/", R.string.mapnik, ".png", 0, 18, 8, CodeScheme.X_Y),
        CYCLEMAP("http://b.andy.sandbox.cloudmade.com/tiles/cycle/", R.string.cyclemap, ".png", 0, 17, 8, CodeScheme.X_Y);
        //OPENARIELMAP("http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/", R.string.openareal_sat, ".jpg", 0, 13, 8, CodeScheme.X_Y),
        //TRAILS("http://topo.geofabrik.de/trails/", R.string.trails, ".png", 4, 17, 8, CodeScheme.X_Y),
        //RELIEF("http://topo.geofabrik.de/relief/", R.string.relief, ".png", 8, 17, 8, CodeScheme.X_Y),
        //CLOUDMADESMALLTILES("http://tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/2/64/", R.string.cloudmade_small, ".jpg", 0, 13, 6, CodeScheme.X_Y),
        //CLOUDMADESTANDARDTILES("http://tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/2/256/", R.string.cloudmade_standard, ".jpg", 0, 18, 8, CodeScheme.X_Y);
        
        // ===========================================================
        // Fields
        // ===========================================================
        
        public enum CodeScheme { X_Y, QUAD_TREE };
        
        public final String BASEURL, IMAGE_FILENAMEENDING;
        public final int NAME, ZOOM_MINLEVEL, ZOOM_MAXLEVEL, MAPTILE_ZOOM, MAPTILE_SIZEPX;
        public final CodeScheme CODE_SCHEME;
        
        // ===========================================================
        // Constructors
        // ===========================================================
        
        private OpenStreetMapRendererInfo(final String aBaseUrl, final int aName,
                        final String aImageFilenameEnding, final int aZoomMin,
                        final int aZoomMax, final int aTileZoom, final CodeScheme aCodeScheme) {
                this.BASEURL = aBaseUrl;
                this.NAME = aName;
                this.ZOOM_MINLEVEL = aZoomMin;
                this.ZOOM_MAXLEVEL = aZoomMax;
                this.IMAGE_FILENAMEENDING = aImageFilenameEnding;
                this.MAPTILE_ZOOM = aTileZoom;
                this.MAPTILE_SIZEPX = 1<<aTileZoom;
                this.CODE_SCHEME = aCodeScheme;
        }
        
        public static OpenStreetMapRendererInfo getDefault() {
                return MAPNIK;
        }
        
        // ===========================================================
        // Methods
        // ===========================================================
        
        public String getTileURLString(final OpenStreetMapTile aTile) {
                final CodeScheme cs = this.CODE_SCHEME;
                switch (cs) {
                case QUAD_TREE:
                        return String.format("%s%s%s", this.BASEURL, quadTree(aTile), this.IMAGE_FILENAMEENDING);
                case X_Y:
                default:
                        return String.format("%s%d/%d/%d%s", this.BASEURL, aTile.zoomLevel, aTile.x, aTile.y, this.IMAGE_FILENAMEENDING);
                }               
        }
        
        /**
         * Converts TMS tile coordinates to QuadTree
         * @param aTile The tile coordinates to convert
         * @return The QuadTree as String.
         */
        private String quadTree(final OpenStreetMapTile aTile) {
                StringBuilder quadKey = new StringBuilder();
                for (int i = aTile.zoomLevel; i > 0; i--) {
                        int digit = 0;
                        int mask = 1 << (i - 1);
                        if ((aTile.x & mask) != 0)
                                digit += 1;
                        if ((aTile.y & mask) != 0)
                                digit += 2;
                        quadKey.append("" + digit);
                }

                return quadKey.toString();
        }
        
}
Java Source Code List
