CylindricalProjectionTileFactory.java

package org.jdesktop.swingx.mapviewer.bmng;

//public class CylindricalProjectionTileFactory extends DefaultTileFactory {
//
//    public CylindricalProjectionTileFactory() {
//        this(new SLMapServerInfo());
//    }
//    public CylindricalProjectionTileFactory(SLMapServerInfo info) {
//        super(info);
//    }
//
//    public Dimension getMapSize(int zoom) {
//        int midpoint = ((SLMapServerInfo)getInfo()).getMidpoint();
//        if(zoom < midpoint) {
//            int w = (int)Math.pow(2,midpoint-zoom);
//            return new Dimension(w,w/2);
//            //return super.getMapSize(zoom);
//        }
//        return new Dimension(2,1);
//    }
//    
//    public Point2D geoToPixel(GeoPosition c, int zoom) {
//        // calc the pixels per degree
//        Dimension mapSizeInTiles = getMapSize(zoom);
//        //double size_in_tiles = (double)getInfo().getMapWidthInTilesAtZoom(zoom);
//        //double size_in_tiles = Math.pow(2, getInfo().getTotalMapZoom() - zoom);
//        double size_in_pixels = mapSizeInTiles.getWidth()*getInfo().getTileSize(zoom);
//        double ppd = size_in_pixels / 360;
//        
//        // the center of the world
//        double centerX = this.getTileSize(zoom)*mapSizeInTiles.getWidth()/2;
//        double centerY = this.getTileSize(zoom)*mapSizeInTiles.getHeight()/2;
//        
//        double x = c.getX() * ppd + centerX;
//        double y = -c.getY() * ppd + centerY;
//        
//        return new Point2D.Double(x, y);
//    }
//
//    public GeoPosition pixelToGeo(Point2D pix, int zoom) {
//        // calc the pixels per degree
//        Dimension mapSizeInTiles = getMapSize(zoom);
//        double size_in_pixels = mapSizeInTiles.getWidth()*getInfo().getTileSize(zoom);
//        double ppd = size_in_pixels / 360;
//
//        // the center of the world
//        double centerX = this.getTileSize(zoom)*mapSizeInTiles.getWidth()/2;
//        double centerY = this.getTileSize(zoom)*mapSizeInTiles.getHeight()/2;
//        
//        double lon = (pix.getX() - centerX)/ppd;
//        double lat = -(pix.getY() - centerY)/ppd;
//
//        return new GeoPosition(lat,lon);
//    }
//    
//    /*
//    x = lat * ppd + fact
//    x - fact = lat * ppd
//    (x - fact)/ppd = lat
//    y = -lat*ppd + fact
//    -(y-fact)/ppd = lat
//    */
//}