Java GeoPoint类代码示例

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
private void showMap(double latitude, double longtitude, String address) {
	sendButton.setVisibility(View.GONE);

	GeoPoint point1 = new GeoPoint((int) (latitude * 1e6), (int) (longtitude * 1e6));
	point1 = CoordinateConvert.fromGcjToBaidu(point1);
	mMapController.setCenter(point1);
	Drawable marker = this.getResources().getDrawable(R.drawable.icon_marka);
	// 为maker定义位置和边界
	marker.setBounds(0, 0, marker.getIntrinsicWidth(), marker.getIntrinsicHeight());
	mAddrOverlay = new ItemizedOverlay<OverlayItem>(marker, mMapView);
	GeoPoint point = new GeoPoint((int) (latitude * 1e6), (int) (longtitude * 1e6));
	point = CoordinateConvert.fromGcjToBaidu(point);
	OverlayItem addrItem = new OverlayItem(point, "", address);
	mAddrOverlay.addItem(addrItem);
	mMapView.getOverlays().add(mAddrOverlay);
	mMapView.refresh();
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public void animateTo(GeoPoint geoPoint, Drawable drawable) {
	// LogUtil.systemOut(geoPoint);
	if (geoPoint == null || drawable == null) {
		return;
	}
	// System.out.println("x:" + geoPoint.getLatitudeE6() + "y:"
	// + geoPoint.getLongitudeE6());
	this.myOverlay.removeAll();
	if (this.isUsePopup) {
		this.popupOverlay.hidePop();
	}
	OverlayItem overlayItem = new OverlayItem(geoPoint, null, null);
	overlayItem.setMarker(drawable != null ? drawable
			: this.defaultDrawable);
	this.myOverlay.addItem(overlayItem);
	// this.geoPoints.add(geoPoint);
	this.mapController.setZoom(100);
	this.animateTo(geoPoint);
	// LogUtil.systemOut("++++++--------");
	this.mMapView.refresh();
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public void handleMessage(Message msg)
{
	if (null == mBMapManager)
	{
		return;
	}
	new CardToastUtils(LocationActivity.this).setMessageTextColor(Color.RED).showAndAutoDismiss("定位成功   " + msg.obj);
	mStartGeoPoint = new GeoPoint((int) (mLocationData.latitude * 1E6), (int) (mLocationData.longitude * 1E6));
	// 用给定的经纬度构造一个GeoPoint，单位是微度 (度 * 1E6)
	mMapController.setCenter(mStartGeoPoint);// 设置地图中心点
	mMapController.animateTo(mStartGeoPoint);
	mMapController.setZoom(19);
	mLocationOverlay.setData(mLocationData);// 设置我的位置信息
	// 更新图层数据执行刷新后生效
	mMapView.refresh();
	mLocationClient.stop();
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public GeoPoint[][] dummyData()
{
	int count = 6;
	int startLa = mStartGeoPoint.getLatitudeE6();
	int startLo = mStartGeoPoint.getLongitudeE6();
	int endLa = mEndGeoPoint.getLatitudeE6();
	int endLo = mEndGeoPoint.getLongitudeE6();
	int perDifferLa = (endLa - startLa) / count;
	int perDifferLo = (endLo - startLo) / count;
	GeoPoint[] step = new GeoPoint[count + 2];
	Random random = new Random();
	step[0] = mStartGeoPoint;
	for (int i = 0; i < count; i++)
	{
		int dummyNextInt = random.nextInt(count);
		System.out.println("dummyNextInt = " + dummyNextInt);
		GeoPoint point = new GeoPoint(startLa + perDifferLa * dummyNextInt, startLo + perDifferLo * dummyNextInt);
		step[i + 1] = point;
	}
	step[count + 1] = mEndGeoPoint;
	// 站点数据保存在一个二维数据中
	GeoPoint[][] routeData = new GeoPoint[1][];
	routeData[0] = step;
	return routeData;
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public void onClickMapPoi(MapPoi poi)
{
	if (null != poi)
	{
		mEndGeoPoint = new GeoPoint(poi.geoPt.getLatitudeE6(), poi.geoPt.getLongitudeE6());
		LocationData clickLocationData = new LocationData();
		clickLocationData.latitude = poi.geoPt.getLatitudeE6() / 1000000.0;
		clickLocationData.longitude = poi.geoPt.getLongitudeE6() / 1000000.0;
		mClickLocationOverlay.setData(clickLocationData);
		mClickLocationOverlay.setMarker(getResources().getDrawable(R.drawable.ic_nav_turn_start_s));
		mMapView.getOverlays().remove(mClickLocationOverlay);
		// mMapView.getOverlays().add(mClickLocationOverlay);
		MKPoiInfo info = new MKPoiInfo();
		info.pt = poi.geoPt;
		info.address = poi.strText;
		routeDrive(info, true);
		mMapView.refresh();
		Toast.makeText(LocationActivity.this, poi.strText, Toast.LENGTH_SHORT).show();
	}
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public void showPopu(int index) {
	final CloudPoiInfo info = mLbsPoints.get(index);
	GeoPoint point = new GeoPoint((int) (info.latitude * 1e6),
			(int) (info.longitude * 1e6));
	((TextView) view.findViewById(R.id.popup_title)).setText(info.title);
	((ImageView) view.findViewById(R.id.popup_msg))
			.setOnClickListener(new OnClickListener() {
				public void onClick(View v) {
					intent.setClass(mContext, BbsActivity.class);
					intent.putExtra("Name", info.title);
					mContext.startActivity(intent);
				}
			});
	int height = this.getItem(index).getMarker().getMinimumHeight();
	mMapView.getController().animateTo(point);
	popup.showPopup(view, point, height);// ��ʾ����
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
@Override
public boolean onOptionsItemSelected(MenuItem item) {
	// TODO Auto-generated method stub
	switch (item.getItemId())// �õ��������item��itemId
	{
	case R.id.menu_begin:
		pdialog = LoadingDialog.createLoadingDialog(LjghTab.this,
				"���ڹ滮·��...");
		pdialog.show();
		mLocClient.stop();
		mMKSearch = new MKSearch();
		mMKSearch.init(mBMapMan, new MapSearchListener());
		MKPlanNode start = new MKPlanNode();
		start.pt = new GeoPoint((int) (mywd * 1E6), (int) (myjd * 1E6));
		MKPlanNode end = new MKPlanNode();
		end.pt = new GeoPoint((int) (wd * 1E6), (int) (jd * 1E6));
		mMKSearch.setDrivingPolicy(MKSearch.ECAR_TIME_FIRST);
		mMKSearch.drivingSearch(null, start, null, end);
		break;
	
	}
	
	return super.onOptionsItemSelected(item);
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
@Override
public void onGetDrivingRouteResult(MKDrivingRouteResult result,
		int arg1) {
	// TODO Auto-generated method stub
	if (result == null) {
		return;
	}
	RouteOverlay routeOverlay = new RouteOverlay(LjghTab.this, mMapView); // �˴���չʾһ��������Ϊʾ��
	routeOverlay.setData(result.getPlan(0).getRoute(0));
	mMapView.getOverlays().add(routeOverlay);
	GeoPoint point = new GeoPoint((int) (mywd * 1e6),
			(int) (myjd * 1e6));
	mMapController.setCenter(point);
	mMapView.refresh();
	pdialog.dismiss();

}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
@Override
     public void onReceiveLocation(BDLocation location) {
         if (location == null)
             return ;
         Intent intent = new Intent();  
intent.setAction("com.hit.changyou");  
intent.putExtra("city",location.getCity() );
BaiduMapActivity.this.sendBroadcast(intent);
         locData.latitude = location.getLatitude();
         locData.longitude = location.getLongitude();
         locData.accuracy = location.getRadius();
         locData.direction = location.getDerect();
         myLocationOverlay.setData(locData);
         mMapView.refresh();
         Log.i("yxy", locData.latitude+";"+locData.longitude);
         //定位预留
         if (app.cityString.equals("")) {
         	mMapController.animateTo(new GeoPoint((int)(locData.latitude* 1e6), (int)(locData.longitude *  1e6)));
}
         
         
     }
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
/**
 * 把一个标注点添加到地图上
 */
private void addMarker(double lat, double lon, String title, String address) {
    //标记点图像
    Drawable mark = getResources().getDrawable(R.drawable.icon_gcoding);
    //创建Overlay
    MyOverlay overlay = new MyOverlay(mark, mMapView);
    
    //将Overlay添加到地图上
    mMapView.getOverlays().clear();
    mMapView.getOverlays().add(overlay);
     
    //添加标注点
    GeoPoint p = CoordinateConvert.fromGcjToBaidu(new GeoPos(lat, lon));
    OverlayItem item = new OverlayItem(p, title, address);
    overlay.addItem(item);
    sendMessage(MSG_OPEN_POP_WINDOW, 0, 0, item);
    
    //刷新地图
    mMapView.refresh();
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
/**
 * 设置用户当前位置
 * @param p 要设置的位置，gcj坐标系
 */
private void setMyLocation(Position p) {
    if(p != null && p.isValid()) {
        //坐标转换
        GeoPoint gp = CoordinateConvert.fromGcjToBaidu(new GeoPos(p.getLat(), p.getLon()));
        //创建位置
        LocationData locData = new LocationData();
        locData.latitude = gp.getLatitudeE6() * 1.0 / 1E6;
        locData.longitude = gp.getLongitudeE6() * 1.0 / 1E6;
        locData.direction = p.getDirection();
        locData.accuracy = p.getRadius();
        locData.speed = p.getSpeed();
        //设置位置
        myLocationOverlay.setData(locData);
        if(!mMapView.getOverlays().contains(myLocationOverlay)) {
            mMapView.getOverlays().add(myLocationOverlay);
        } else {
            //KLog.d(TAG, "overlay added al-ready!");
        }
        mMapView.refresh();
    }
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public static GeoPoint gcjToBaidu(double lat, double lng) {
	double x = lng, y = lat;
	double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
	double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
	double bdLng = z * Math.cos(theta) + 0.0065;
	double bdLat = z * Math.sin(theta) + 0.006;
	return new GeoPoint((int) (bdLat * 1e6), (int) (bdLng * 1e6));
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
public static GeoPoint baiduToGcj(double lat, double lng) {
	double x = lng - 0.0065, y = lat - 0.006;
	double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
	double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
	double gcjLng = z * Math.cos(theta);
	double gcjLat = z * Math.sin(theta);
	return new GeoPoint((int) (gcjLat * 1e6), (int) (gcjLng * 1e6));
}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
@Override
public void onReceiveLocation(BDLocation location) {
	if (location == null) {
		return;
	}
	Log.d("map On location change received:" + location);
	Log.d("map addr:" + location.getAddrStr());
	Log.d("map streed:" + location.getStreet());
	//sendButton.setEnabled(true);
	//if (progressDialog != null) {
	//	progressDialog.dismiss();
	//}

	if (lastLocation != null) {
		if (lastLocation.getLatitude() == location.getLatitude() && lastLocation.getLongitude() == location.getLongitude()) {
			Log.d("map same location, skip refresh");
			stopLocate();
			// mMapView.refresh(); //need this refresh?
			return;
		}
	}

	lastLocation = location;

	GeoPoint gcj02Point = new GeoPoint((int) (location.getLatitude() * 1e6), (int) (location.getLongitude() * 1e6));
	EMLog.d("loc", "GCJ-02 loc:" + gcj02Point);
	//GeoPoint point = CoordinateConvert.fromGcjToBaidu(gcj02Point);
	//EMLog.d("loc", "converted BD-09 loc:" + gcj02Point);
	stopLocate();

}
 

import com.baidu.platform.comapi.basestruct.GeoPoint; //导入依赖的package包/类
@Override
public boolean onTap(GeoPoint pt, MapView mMapView) {
	if (!BaiduMapManager.this.isUsePopup) {
		return true;
	}
	if (popupOverlay != null) {
		popupOverlay.hidePop();
		mMapView.removeView(BaiduMapManager.this.popupView);
	}
	return false;
}