Blackberry引路蜂地图开发示例：地图平移

RasterMap 有两个方法可以用于平移地图，panTo 将地图移动到指定经纬度坐标，panDirection(dx,dy)　将地图从当前位置平移dx,dy 个象素。
下列示例可以上，下，左，右平移地图。

//--------------------------------- PACKAGE ------------------------------------package com.pstreets.gisengine.demo.rim; //--------------------------------- IMPORTS ------------------------------------import com.mapdigit.gis.geometry.GeoLatLng;import com.mapdigit.gis.raster.MapType;import com.pstreets.gisengine.demo.MapDemoRIM;import net.rim.device.api.ui.component.Menu;import net.rim.device.api.ui.MenuItem; //[------------------------------ MAIN CLASS ----------------------------------]/** *  map pan demo for Guidebee Map API on MIDP platform. * <hr><b>© Copyright 2011 Guidebee, Inc. All Rights Reserved.</b> * @version     1.00, 09/02/11 * @author      Guidebee Pty Ltd. */public class MapPanRIM extends MapDemoRIM  {    /**     * Entry point for application     * @param args Command line arguments (not used)     */    public static void main(String[] args)    {        // Create a new instance of the application and make the currently        // running thread the application's event dispatch thread.        MapPanRIM theApp = new MapPanRIM();              theApp.enterEventDispatcher();    }        private MenuItem mapUpMenuItem = new MenuItem("Up", 0, 0){        public void run(){            map.panDirection(0, -32);             }};    private MenuItem mapDownMenuItem = new MenuItem("Down",1, 0){        public void run(){            map.panDirection(0, 32);            }};    private MenuItem mapLeftMenuItem = new MenuItem("Left",2, 0){        public void run(){            map.panDirection(-32, 0);            }};    private MenuItem mapRightMenuItem = new MenuItem("Right", 3, 0){        public void run(){            map.panDirection(32, 0);            }};     public MapPanRIM() {         init();        pushScreen(canvas);        GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);        map.setCenter(center, 13, MapType.MICROSOFTCHINA);     }     protected void createMenu(Menu menu, int instance){         menu.add(mapUpMenuItem);         menu.add(mapDownMenuItem);         menu.add(mapLeftMenuItem);         menu.add(mapRightMenuItem);     }}

Blackberry引路蜂地图开发包Ver2.1下载