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