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• WebMercatorTile.java

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org.opentripplanner.common.geometry.WebMercatorTile Maven / Gradle / Ivy

package org.opentripplanner.common.geometry;

import org.geotools.geometry.Envelope2D;
import org.geotools.referencing.crs.DefaultGeographicCRS;

/* http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames */
public class WebMercatorTile {

    public static String getTileNumber(final double lat, final double lon, final int zoom) {
        int xtile = (int)Math.floor( (lon + 180) / 360 * (1<