公交路线规划

功能场景

出行app中使用公交路线规划可用到此功能。

Android

iOS

//mapopen-website-wiki.bj.bcebos.com/demos/AndroidVideos/Android公交路线规划.mp4

扫码体验

使用产品

Android地图SDK

>

市内公交路线规划

下载源码

核心接口

类

接口

描述

newInstance()

创建路线规划检索实例

setOnGetRoutePlanResultListener(OnGetRoutePlanResultListener listener)

设置路线规划检索监听器

RoutePlanSearch

transitSearch(TransitRoutePlanOption option)

发起公交路线规划检索请求

destory()

释放路线规划检索实例

OnGetRoutePlanResultListener

onGetTransitRouteResult(TransitRouteResult transitRouteResult)

公交路线规划的结果回调函数

PlanNode

withCityNameAndPlaceName(String cityName, String placeName)

路线规划起终点参数

from(PlanNode startNode)

设置路线规划起点参数

TransitRoutePlanOption

to(PlanNode endNode)

设置路线规划终点参数

city(String cityName)

设置路线规划所在的城市名称

setData(TransitRouteLine routeLine)

设置公交路线规划结果数据

TransitRouteOverlay

addToMap()

添加公交路线添加到地图上

zoomToSpanPaddingBounds(int paddingLeft, int paddingTop, int paddingRight, int paddingRight)

将公交路线调整到地图显示的最佳视野范围内

核心代码

1.公交路线规划结果解析

JAVA

/**
* 设置路线数据。
*
* @param line 路线数据
*/
public void setData(TransitRouteLine line) {
mRouteLine = line;
}
@Override
public final List<OverlayOptions> getOverlayOptions() {
if (mRouteLine == null) {
return null;
}
List<OverlayOptions> overlayOptionses = new ArrayList<OverlayOptions>();
// step node
if (mRouteLine.getAllStep()!= null
&& mRouteLine.getAllStep().size() > 0) {
for (TransitRouteLine.TransitStep step: mRouteLine.getAllStep()) {
    Bundle b = new Bundle();
    b.putInt("index", mRouteLine.getAllStep().indexOf(step));
    if (step.getEntrance()!= null) {
    overlayOptionses
    .add((new MarkerOptions()).position(step.getEntrance().getLocation())
    .anchor(0.5f, 0.5f).zIndex(10).extraInfo(b)
    .icon(getIconForStep(step)));
    }
    // 最后路段绘制出口点
    if (mRouteLine.getAllStep().indexOf(step) == (mRouteLine
    .getAllStep().size() - 1)
    && step.getExit()!= null) {
    overlayOptionses
    .add((new MarkerOptions()).position(step.getExit().getLocation())
    .anchor(0.5f, 0.5f).zIndex(10).icon(getIconForStep(step)));
    }
    }
    }
    if (mRouteLine.getStarting()!= null) {
    overlayOptionses
    .add((new MarkerOptions()).position(mRouteLine.getStarting().getLocation())
    .icon(getStartMarker()!= null? getStartMarker()
   : BitmapDescriptorFactory.fromAssetWithDpi("Icon_start.png"))
    .zIndex(10));
    }
    if (mRouteLine.getTerminal()!= null) {
    overlayOptionses
    .add((new MarkerOptions())
    .position(mRouteLine.getTerminal().getLocation())
    .icon(getTerminalMarker()!= null? getTerminalMarker():
    BitmapDescriptorFactory
    .fromAssetWithDpi("Icon_end.png"))
    .zIndex(10));
    }
    // polyline
    if (mRouteLine.getAllStep()!= null
    && mRouteLine.getAllStep().size() > 0) {
    ArrayList<Integer> textureIndexs = new ArrayList<Integer>();
    List<LatLng> points = new ArrayList<LatLng>();
    for (TransitRouteLine.TransitStep step: mRouteLine.getAllStep()) {
    if (step.getWayPoints() == null) {
    continue;
    }
    for (int i = 0; i < step.getWayPoints().size(); ++i) {
    if (step.getStepType()
   != TransitRouteLine.TransitStep.TransitRouteStepType.WAKLING) {
    textureIndexs.add(0);
    } else {
    textureIndexs.add(1);
    }
    }
    points.addAll(step.getWayPoints());
    }
    overlayOptionses.add(new PolylineOptions().points(points).width(15).dottedLine(true)
    .customTextureList(getCustomTextureList()).textureIndex(textureIndexs)
    .zIndex(0));
}
return overlayOtionses;
}
public List<BitmapDescriptor> getCustomTextureList() {
ArrayList<BitmapDescriptor> list = new ArrayList<BitmapDescriptor>();
list.add(BitmapDescriptorFactory.fromAsset("Icon_road_blue_arrow.png"));
list.add(BitmapDescriptorFactory.fromAsset("Icon_road_green_arrow.png"));
return list;
}
                

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2.将公交路线添加到地图上

JAVA

/**
* 将公交路线添加到地图上
*/
public final void addToMap() {
if (mBaiduMap == null) {
return;
}
List<OverlayOptions> overlayOptions = getOverlayOptions();
if (overlayOptions!= null) {
mOverlayOptionList.addAll(getOverlayOptions());
}
for (OverlayOptions option: mOverlayOptionList) {
mBaiduMap.addOverlay(option)
}
}
                

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3.将公交路线调整到地图显示的最佳视野范围内

JAVA

public void zoomToSpanPaddingBounds(int paddingLeft, int paddingTop, int paddingRight,
int paddingBottom) {
if (mBaiduMap == null) {
return;
}
if (mOverlayList.size() > 0) {
LatLngBounds.Builder builder = new LatLngBounds.Builder();
for (Overlay overlay: mOverlayList) {
// polyline 中的点可能太多，只按marker 缩放
if (overlay instanceof Marker) {
builder.include(((Marker) overlay).getPosition());
}
}
mBaiduMap.setMapStatus(MapStatusUpdateFactory
.newLatLngBounds(builder.build(), paddingLeft, paddingTop, paddingRight,
paddingBottom));
}
}
                

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更多功能

跨城公交路线规划

//mapopen-website-wiki.bj.bcebos.com/demos/iosVideos/iOS公交路线规划.mov

扫码体验

使用产品

iOS地图SDK

>

市内公交路线规划

下载源码

核心接口

类

接口

描述

- (instancetype)init;

创建路线规划检索实例

BMKRouteSearch

id<BMKRouteSearchDelegate> delegate;

设置路线规划检索监听器

- (BOOL)transitSearch:(BMKTransitRoutePlanOption *)transitRoutePlanOption;

发起市内公交路线规划检索请求

BMKRouteSearchDelegate

- (void)onGetTransitRouteResult:(BMKRouteSearch *)searcher result:(BMKTransitRouteResult *)result errorCode:(BMKSearchErrorCode)error;

市内公交路线规划的结果回调函数

NSString *cityName;

路线规划起终点城市参数

BMKPlanNode

NSString *name;

路线规划起终点名称参数

BMKPlanNode *from;

设置路线规划起点参数

BMKTransitRoutePlanOption

BMKPlanNode *to;

设置路线规划终点参数

BMKPolyline

+ (BMKPolyline *)polylineWithPoints:(BMKMapPoint *)points count:(NSUInteger)count;

设置市内公交路线规划结果数据

BMKMapView

- (void)addOverlay:(id <BMKOverlay>)overlay;

添加市内公交路线添加到地图上

BMKTransitRoutePlanViewController

- (void)mapViewFitPolyline:(BMKPolyline *)polyline;

将市内公交路线调整到地图显示的最佳视野范围内

核心代码

1.市内公交路线规划结果解析

Objective-C

NSMutableArray *tempArray = [NSMutableArray array];
//+polylineWithPoints: count:坐标点的个数
__block NSUInteger pointCount = 0;
//遍历公交路线中的所有路段
[self.routeLine.steps enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
    //获取公交路线中的每条路段
    BMKTransitStep *step = _routeLine.steps[idx];
    BMKTransitRouteLineDetailModel *model = [[BMKTransitRouteLineDetailModel alloc] init];
    model.instruction = step.instruction;
    NSString *instruction = step.instruction;
    NSDictionary *attrs = @{NSFontAttributeName: [UIFont fontWithName:@"PingFangSC-Regular" size:16 * widthScale]};
    CGSize size = CGSizeMake(KScreenWidth  - 86  * widthScale, MAXFLOAT);
    CGSize  actualsize = [instruction boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin  attributes:attrs context:nil].size;
    model.cellHeight = actualsize.height + 48 * widthScale;
    model.stepType = step.stepType;
    [tempArray addObject:model];
    //统计路段所经过的地理坐标集合内点的个数
    pointCount += step.pointsCount;
}];

_detailModels = [tempArray copy];

//+polylineWithPoints: count:指定的直角坐标点数组
BMKMapPoint *points = new BMKMapPoint[pointCount];
__block NSUInteger j = 0;
//遍历公交路线中的所有路段
[_routeLine.steps enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Non_routeLine) {
    //获取公交路线中的每条路段
    BMKTransitStep *step = _routeLine.steps[idx];
    for (NSUInteger i = 0; i < step.pointsCount; i ++) {
        //将每条路段所经过的地理坐标点赋值给points
        points[j].x = step.points[i].x;
        points[j].y = step.points[i].y;
        j ++;
    }
}];
                    
                

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2.将市内公交路线和起终点添加到地图上

Objective-C

//设置起点
CLLocationCoordinate2D start = BMKCoordinateForMapPoint(points[0]);
_startAnnotation = [[BMKPointAnnotation alloc] init];
_startAnnotation.coordinate = start;
[self.mapView addAnnotation:_startAnnotation];
//设置终点
CLLocationCoordinate2D end = BMKCoordinateForMapPoint(points[pointCount - 1]);
_endAnnotation = [[BMKPointAnnotation alloc] init];
_endAnnotation.coordinate = end;
[self.mapView addAnnotation:_endAnnotation];
//根据指定直角坐标点生成一段折线
BMKPolyline *polyline = [BMKPolyline polylineWithPoints:points count:pointCount];
/**
    向地图View添加Overlay，需要实现BMKMapViewDelegate的-mapView:viewForOverlay:方法
    来生成标注对应的View
    
    @param overlay 要添加的overlay
    */
[_mapView addOverlay:polyline];
                         
                

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3.将市内公交路线调整到地图显示的最佳视野范围内

Objective-C

//根据polyline设置地图范围
- (void)mapViewFitPolyline:(BMKPolyline *)polyline {
    double leftTop_x, leftTop_y, rightBottom_x, rightBottom_y;
    if (polyline.pointCount < 1) {
        return;
    }
    BMKMapPoint pt = polyline.points[0];
    leftTop_x = pt.x;
    leftTop_y = pt.y;
    //左上方的点lefttop坐标（leftTop_x，leftTop_y）
    rightBottom_x = pt.x;
    rightBottom_y = pt.y;
    //右底部的点rightbottom坐标（rightBottom_x，rightBottom_y）
    for (int i = 1; i < polyline.pointCount; i++) {
        BMKMapPoint point = polyline.points[i];
        if (point.x < leftTop_x) {
            leftTop_x = point.x;
        }
        if (point.x > rightBottom_x) {
            rightBottom_x = point.x;
        }
        if (point.y < leftTop_y) {
            leftTop_y = point.y;
        }
        if (point.y > rightBottom_y) {
            rightBottom_y = point.y;
        }
    }
    BMKMapRect rect;
    rect.origin = BMKMapPointMake(leftTop_x, leftTop_y);
    rect.size = BMKMapSizeMake(rightBottom_x - leftTop_x, rightBottom_y - leftTop_y);
    UIEdgeInsets padding = UIEdgeInsetsMake(KStatuesBarHeight + 170 * widthScale, 20 * widthScale, KStatuesBarHeight + 170 * widthScale, 20 * widthScale);
    [_mapView fitVisibleMapRect:rect edgePadding:padding withAnimated:YES];
}
                

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更多功能

跨城公交路线规划