本地查询可以查询指定区域内诸如宾馆,邮局等用户感兴趣的地方。其使用方法和地址查询非常类似。
下面示例查询32.0616667, 118.7777778为中心点一定区域内宾馆的信息。
[
java]
//--------------------------------- PACKAGE ------------------------------------
package com.pstreets.gisengine.demo.midp;
//--------------------------------- IMPORTS ------------------------------------
import com.mapdigit.gis.MapPoint;
import com.mapdigit.gis.geometry.GeoLatLng;
import com.mapdigit.gis.raster.MapType;
import com.mapdigit.gis.service.IGeocodingListener;
import com.pstreets.gisengine.demo.MapDemoMIDP;
import
javax.microedition.lcdui.Command;
import
javax.microedition.lcdui.CommandListener;
import
javax.microedition.lcdui.Display;
import
javax.microedition.lcdui.Displayable;
//[------------------------------ MAIN CLASS ----------------------------------]
//--------------------------------- REVISIONS ----------------------------------
// Date Name Tracking # Description
// -------- ------------------- ------------- --------------------------
// 28JAN2011 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////////
/**
* map pan demo for Guidebee Map API on MIDP platform.
*/
public class MapLocalSearchMIDP extends MapDemoMIDP implements CommandListener,
IGeocodingListener {
private Command mapFindAddressCommand = new Command("Find Address",
Command.OK, 1);
public void startApp() {
init();
canvas.addCommand(mapFindAddressCommand);
map.setGeocodingListener(this);
canvas.setCommandListener(this);
GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);
map.setCenter(center, 13, MapType.MICROSOFTCHINA);
Display.getDisplay(this).setCurrent(canvas);
}
public void commandAction(Command c, Displayable d) {
if (c == mapFindAddressCommand) {
String name = "??";
GeoLatLng screenCenter = map.getScreenCenter();
map.getLocations(name, 0, screenCenter,
map.getScreenBounds(screenCenter));
}
}
public void done(String query, MapPoint[] result) {
if (result != null) {
map.panTo(result[0].getPoint());
for (int i = 0; i < result.length; i++) {
System.out.println(result.objectNote);
}
}
}
}
//--------------------------------- PACKAGE ------------------------------------
package com.pstreets.gisengine.demo.midp;
//--------------------------------- IMPORTS ------------------------------------
import com.mapdigit.gis.MapPoint;
import com.mapdigit.gis.geometry.GeoLatLng;
import com.mapdigit.gis.raster.MapType;
import com.mapdigit.gis.service.IGeocodingListener;
import com.pstreets.gisengine.demo.MapDemoMIDP;
import
javax.microedition.lcdui.Command;
import
javax.microedition.lcdui.CommandListener;
import
javax.microedition.lcdui.Display;
import
javax.microedition.lcdui.Displayable;
//[------------------------------ MAIN CLASS ----------------------------------]
//--------------------------------- REVISIONS ----------------------------------
// Date Name Tracking # Description
// -------- ------------------- ------------- --------------------------
// 28JAN2011 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////////
/**
* map pan demo for Guidebee Map API on MIDP platform.
*/
public class MapLocalSearchMIDP extends MapDemoMIDP implements CommandListener,
IGeocodingListener {
private Command mapFindAddressCommand = new Command("Find Address",
Command.OK, 1);
public void startApp() {
init();
canvas.addCommand(mapFindAddressCommand);
map.setGeocodingListener(this);
canvas.setCommandListener(this);
GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);
map.setCenter(center, 13, MapType.MICROSOFTCHINA);
Display.getDisplay(this).setCurrent(canvas);
}
public void commandAction(Command c, Displayable d) {
if (c == mapFindAddressCommand) {
String name = "??";
GeoLatLng screenCenter = map.getScreenCenter();
map.getLocations(name, 0, screenCenter,
map.getScreenBounds(screenCenter));
}
}
public void done(String query, MapPoint[] result) {
if (result != null) {
map.panTo(result[0].getPoint());
for (int i = 0; i < result.length; i++) {
System.out.println(result.objectNote);
}
}
}
}
本地查询方法
public void getLocations(String address,int start,GeoLatLng center,GeoBounds bound, IGeocodingListener listener);
指定中心点和查询区域。本地查询可以多次返回结果,start为查询结果起始顺序,每次返回结果在SearchOptions 中定义,缺省每次返回4个。
www.atcpu.com上述结果返回内容为,具体结果可能不同。
“晶丽酒店025-83310818 025-83310818212223 025-86636636 ”
“城市名人酒店025-83123333 025-83123888 ”
“南京玄武饭店 025-83358888 ”
“Sofitel Galaxy Nanjing – 南京索菲特银河大酒店025-83718888
作者:mapdigit