iOS解析GeoPoints & MapBox形状

Question

因此，我想知道如何检索解析坐标，并使用MapBox绘制形状。

我可以检索坐标并(使用解析)在地图上精细地绘制它们：

PFQuery *locationQuery = PFQuery queryWithClassName:@"Location"；locationQuery其中location：@“location”；locationQuery.cachePolicy = kPFCachePolicyNetworkElseCache；[locationQuery findObjectsInBackgroundWithBlock:^(NSArray *objects，NSError *error) { if (!error) { //查找成功。NSLog(@“成功检索到%lu得分”，(无符号长)objects.count)；NSLog(“object is %@和%@"，objects objectAtIndex:0，objects objectAtIndex:1)；for (PFObject *gp in object){//如何获取PFGeoPoint，然后从对象PFGeoPoint *location = gp objectForKey：@@”location“；NSLog(”Hi那里我的名字是：%f"，location.latitude)；CLLocationCoordinate2D坐标= CLLocationCoordinate2DMake(location.latitude，location.longitude)；//这是如何用标题NSString *title = NSString stringWithFormat:@"%@"，gp.createdAt来填充数据；RMPointAnnotation *注释3= [RMPointAnnotation alloc initWithMapView:mapView坐标:坐标和title :title]；mapView addAn表示法:注释3；}NSLog的{ //日志详细信息(@“error：%@ %@"，error，error userInfo)；}]；

向地图添加形状(使用MapBox)也是可行的：

//用于街道位置数组等MapBox NSArray *locations = [NSArray arrayWithObjects:[CLLocation alloc initWithLati经：-33.980852经度:151.072498]，[CLLocation alloc initWithLati经：-33.981769经度:151.072300]，[CLLocation alloc initWithLati经：-33.982018经度:151.072257]，[CLLocation alloc initWithLatitude:-33.982187经度:151.072225]，nil，nil]；RMAnnotation *disunation43= [RMAnnotation alloc initWithMapView:mapView坐标：((CLLocation*)位置“ objectAtIndex:0).coordinate和：@“你好！” annoation43：(RMMapLayer *) mapView :(RMMapView *)mapViewer layerForAnnotation:(RMAnnotation *)注释{ if (annotation.isUserLocationAnnotation)返回零；RMShape *shape = [RMShape alloc initWithView:mapView]；//Line、颜色和宽度等shape.lineColor = UIColor orangeColor；shape.lineWidth = 4.0；shape.scaleLineWidth = YES；shape.scaleLineDash = YES；shape.lineDashLengths = [NSArray arrayWithObjects:NSNumber NSArray:4，NSNumber numberWithInt:6，nil]；shape.lineDashPhase = 3.0f；for (CLLocation *location in (NSArray *)annotation.userInfo) shape addLineToCoordinate:location.coordinate；返回形状；

我想知道如何让MapBox从这些坐标中画一个形状？我做了几次尝试，但没有取得任何进展，所以比我头脑更好的人会非常感激的。如果你需要更多的信息，请告诉我。

Answer 1

我想出了答案--我尝试的解决方案很好--我在循环中初始化数组，所以它每次都在重新创建数组，因此覆盖了每个新的坐标，并试图只使用一个坐标绘制一个形状。

PFQuery *locationQuery2 = [PFQuery queryWithClassName:@"Location"];
    [locationQuery2 whereKeyExists:@"location"];
    locationQuery2.limit = 4;
    locationQuery2.cachePolicy = kPFCachePolicyNetworkElseCache;
    [locationQuery2 findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
        if (!error) {
            // The find succeeded.
            NSLog(@"Successfully retrieved %lu scores.", (unsigned long)objects.count);
            NSLog(@"Object is %@ and %@", [objects objectAtIndex:0],[objects objectAtIndex:1]);
            NSMutableArray *locations = [[[NSMutableArray alloc] init] mutableCopy];

            for (PFObject *gp in objects) {

                //How to get PFGeoPoint and then a location out of an object
                PFGeoPoint *location = [gp objectForKey:@"location"];

                NSLog(@"Hi there my name is not: %f", location.latitude);

                CLLocation *coordinate = [[CLLocation alloc] initWithLatitude:location.latitude longitude:location.longitude];

                //Line for streets location arrays, etc MapBox
                [locations addObject:coordinate];

                RMAnnotation *annoation43 = [[RMAnnotation alloc] initWithMapView:mapView coordinate:((CLLocation *)[locations objectAtIndex:0]).coordinate andTitle:@"Hola biatches!"];

                annoation43.userInfo = locations;
                [annoation43 setBoundingBoxFromLocations:locations];
                [mapView addAnnotation:annoation43];
                NSLog(@"It is working Dora!");


                NSLog(@"Yeah its is: %@", locations);
            }

        } else {
            // Log details of the failure
            NSLog(@"Error: %@ %@", error, [error userInfo]);
        }
    }];