[英]Here Android SDK - Navigate through "No_THROUGH_TRAFFIC" and "DIR_NO_TRUCKS" streets
一個簡短而簡單的問題,希望有人能夠回答:
在TRUCK運輸模式下,如何使用 Here Android SDK Premium 通過具有DIR_NO_CARS 、 NO_THROUGH_TRAFFIC 、 DIR_NO_TRUCKS屬性的道路元素導航? 就像我是一輛特殊的車,我可以在這些道路上行駛。
我的代碼如下所示:
public class Scratch extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AndroidXMapFragment mapFragment = (AndroidXMapFragment) getSupportFragmentManager().findFragmentById(R.id.mapfragment);
boolean success = com.here.android.mpa.common.MapSettings.setIsolatedDiskCacheRootPath(
getApplicationContext().getExternalFilesDir(null) + File.separator + ".here-maps",
"MainActivity");
System.out.println(success);
mapFragment.init(new OnEngineInitListener() {
@Override
public void onEngineInitializationCompleted(
OnEngineInitListener.Error error) {
if (error == OnEngineInitListener.Error.NONE) {
// now the map is ready to be used
Map map = mapFragment.getMap();
for (String sheme : map.getMapSchemes()) {
Log.d("Custom", sheme);
}
map.setMapScheme("pedestrian.day");
map.setMapDisplayLanguage(Locale.GERMANY);
//Show current position marker
PositioningManager.getInstance().start(PositioningManager.LocationMethod.GPS_NETWORK);
mapFragment.getPositionIndicator().setVisible(true);
//Routing
GeoCoordinate start = new GeoCoordinate(50.992189, 10.999966);
GeoCoordinate target = new GeoCoordinate(51.001224, 10.990920);
//Start - End marker for routing
MapLabeledMarker markerStart = new MapLabeledMarker(start)
.setLabelText(map.getMapDisplayLanguage(), "Start")
.setIcon(IconCategory.ALL);
markerStart.setZIndex(12);
map.addMapObject(markerStart);
MapLabeledMarker markerTarget = new MapLabeledMarker(target)
.setLabelText(map.getMapDisplayLanguage(), "End")
.setIcon(IconCategory.ALL);
markerTarget.setZIndex(12);
map.addMapObject(markerTarget);
CoreRouter router = new CoreRouter();
router.setDynamicPenalty(NewPenaltyForStreetArea(
router.getDynamicPenalty(),
new GeoCoordinate(51.001137, 10.989901),
new GeoCoordinate(50.992582, 10.999338),
map.getMapDisplayLanguage(),
"Im Geströdig",
DrivingDirection.DIR_BOTH,
70
));
RouteOptions routeOptions = new RouteOptions();
routeOptions.setTransportMode(RouteOptions.TransportMode.TRUCK);
routeOptions.setRouteType(RouteOptions.Type.FASTEST);
routeOptions.setCarpoolAllowed(false);
routeOptions.setCarShuttleTrainsAllowed(false);
routeOptions.setDirtRoadsAllowed(true);
routeOptions.setTruckLength(6.590f);
routeOptions.setTruckWidth(2.150f);
routeOptions.setTruckHeight(2.150f);
routeOptions.setTruckTrailersCount(0);
routeOptions.setTruckDifficultTurnsAllowed(true);
routeOptions.setRouteCount(2);
RoutePlan routePlan = new RoutePlan();
routePlan.setRouteOptions(routeOptions);
routePlan.addWaypoint(new RouteWaypoint(start));
routePlan.addWaypoint(new RouteWaypoint(target));
class RouteListener implements CoreRouter.Listener {
// Method defined in Listener
public void onProgress(int percentage) {
// Display a message indicating calculation progress
Log.d("Custom", percentage + "");
}
// Method defined in Listener
@Override
public void onCalculateRouteFinished(List<RouteResult> routeResult, RoutingError error) {
// If the route was calculated successfully
if (error == RoutingError.NONE) {
// Render the route on the map
Log.d("Custom", routeResult.size() + " Routes calculated");
for (RouteResult result : routeResult) {
MapRoute mapRoute = new MapRoute(result.getRoute());
mapRoute.setColor(Color.argb(100, 201, 42, 42));
mapRoute.setZIndex(10);
if (routeResult.indexOf(result) == 0) {
//Best route
mapRoute.setColor(Color.argb(255, 201, 42, 42));
mapRoute.setZIndex(11);
}
map.addMapObject(mapRoute);
}
}
else {
// Display a message indicating route calculation failure
}
}
}
router.calculateRoute(routePlan, new RouteListener());
} else {
System.out.println("ERROR: Cannot initialize AndroidXMapFragment");
System.out.println(error);
}
}
});
}
private DynamicPenalty NewPenaltyForStreetArea(DynamicPenalty dynamicPenalty, GeoCoordinate cord1, GeoCoordinate cord2, String marcCode, String streetName, DrivingDirection drivingDirection, int speed){
List<GeoCoordinate> penaltyArea = new ArrayList<>();
penaltyArea.add(cord1);
penaltyArea.add(cord2);
List<RoadElement> roadElements = RoadElement.getRoadElements(GeoBoundingBox.getBoundingBoxContainingGeoCoordinates(penaltyArea), marcCode);
for (int i = 0; i < roadElements.size(); i++) {
//Log.d("Custom", roadElements.get(i).getRoadName());
if (!roadElements.get(i).getRoadName().equals(streetName)){
roadElements.remove(i);
i--;
}
else
Log.d("Custom", roadElements.get(i).getAttributes().toString());
}
Log.d("Custom", "Set penalty for " + roadElements.size() + " road elements - " + streetName);
for (RoadElement road : roadElements) {
dynamicPenalty.addRoadPenalty(road, drivingDirection, speed);
}
return dynamicPenalty;
}
}
所以我想說導航API,我的車可以訪問“Im Geströdig”道路。 道路元素屬性我需要以某種方式改變:
[DIR_NO_CARS, DIRT_ROAD, NO_THROUGH_TRAFFIC, DIR_NO_TRUCKS]
用例的解決方案並非微不足道。 更新道路元素屬性的功能可通過 HERE 自定義路線 API 獲得,您需要在此處上傳具有與您要修改的道路相匹配的形狀的疊加層。 可以更新的屬性也是有限的。 ("VEHICLE_TYPES":"49" 表示道路對汽車、卡車、行人開放)
GET http://cre.api.here.com/2/overlays/upload.json
?map_name=OVERLAYBLOCKROAD
&overlay_spec=[{"op":"override","shape":[[50.10765,8.68774],[50.10914,8.68771]],"layer":"LINK_ATTRIBUTE_FCN","data":{"VEHICLE_TYPES":"49"}}]
&storage=readonly
&app_id={YOUR_APP_ID}
&app_code={YOUR_APP_CODE}
確保使用與 HERE Premium Mobile SDK 相同的 AppId、Appcode。 現在,此疊加層可用於帶有FTCRRouter 的HERE Premium Mobile SDK(仍為 Beta 功能)
FTCRRouter ftcrRoute = new FTCRRouter();
FTCRRouter.RequestParameters parmaters =new
FTCRRouter.RequestParameters(routePlan,"OVERLAYBLOCKROAD",true);
ftcrRoute.calculateRoute(parmaters, new FTCRRouter.Listener() {
@Override
public void onCalculateRouteFinished(List<FTCRRoute> list,
FTCRRouter.ErrorResponse errorResponse) {
if (errorResponse.getErrorCode() == RoutingError.NONE) {
List<GeoCoordinate> shape = list.get(0).getGeometry();
MapPolyline polyline = new MapPolyline();
polyline.setGeoPolyline(new GeoPolygon(shape));
polyline.setLineWidth(10);
m_map.addMapObject(polyline);
}else{
// Error
}
}
});
由於 FTCRRouter 仍處於 Beta 階段,因此存在一些限制,例如不支持動態罰款,而且 FTCRRouter 始終更喜歡采用 HERE 地圖數據中可用的道路,並在必要時使用疊加層中的道路。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.