Ios 在xcode中使用EnableDataOnMapView时Mapbox崩溃

Ios 在xcode中使用EnableDataOnMapView时Mapbox崩溃,ios,xcode,mapbox,gpx,Ios,Xcode,Mapbox,Gpx,我目前正在尝试加载一些GPX轨迹,这些轨迹已作为数据层添加到我的Mapbox项目中。我似乎找不到任何关于如何做到这一点的教程,文档也非常少,但我认为我的思路是正确的。设置我的RMMapBoxSource时,我使用: normalTileSource = [[RMMapboxSource alloc] initWithMapID:[JSONDict objectForKey:@"normalJSON"] enablingDataOnMapView:rmMapView] 但是,这段代码似乎导致了崩

我目前正在尝试加载一些GPX轨迹,这些轨迹已作为数据层添加到我的Mapbox项目中。我似乎找不到任何关于如何做到这一点的教程,文档也非常少,但我认为我的思路是正确的。设置我的RMMapBoxSource时,我使用:

normalTileSource = [[RMMapboxSource alloc] initWithMapID:[JSONDict objectForKey:@"normalJSON"] enablingDataOnMapView:rmMapView]
但是,这段代码似乎导致了崩溃,我将其缩小到RMMapBoxSource中的这个函数:

- (id)initWithTileJSON:(NSString *)tileJSON enablingDataOnMapView:(RMMapView *)mapView
坠机事件似乎发生在这一行之后:

CLLocationCoordinate2D coordinate = {
                                    .longitude = [[[[feature objectForKey:@"geometry"] objectForKey:@"coordinates"] objectAtIndex:0] floatValue],
                                    .latitude  = [[[[feature objectForKey:@"geometry"] objectForKey:@"coordinates"] objectAtIndex:1] floatValue]
                                };
之所以会出现这种情况,是因为.longitude参数希望在每个字典/数组条目上都有一个浮点值,但是,由于这是行数据,几何体实际上包含一个数组数组(见下文)

有谁能告诉我,当我弄不懂GPX/RMPolylineAnnotation数据时,我打算使用什么函数来绘制它


谢谢
-enablingDataOnMapView:
参数与根据您在Mapbox在线编辑器中所做的编辑获取并自动添加到地图的Mapbox服务器端标记有关。它对您自己的自定义数据没有用处

另外,
mapID
参数是一个Mapbox映射ID,而不是JSON


请查看此处的文档:

尝试:
。经度=[feature objectForKey:@“geometry”]objectForKey:@“坐标”]objectAtIndex:i]objectAtIndex:0]floatValue],.纬度=[[feature objectForKey:@“geometry”]objectForKey:@“坐标”]objectAtIndex:i]objectAtIndex:1]floatValue]
获取第i个“数据包”坐标。由于它是一个映射框函数,我不确定是否允许更改它,我假设它们也会有一些函数来处理RMPolylineAnnotation。我正在查看文档,但我脑海中似乎无法拼凑的信息是如何访问RMPolylineAnnotation(GPX数据)xcode中的坐标我在网上安装的。显然,在我上面的帖子中,我可以看到它出现在“[[[feature objectForKey:@“geometry”]objectForKey:@“coordinates”]”中,但是有没有任何帮助函数可以访问/绘制这些数据?谢谢你的帮助。好的,我已经知道如何编写一个函数来获取我需要的数据,只需构建-(id)initWithTileJSON:(NSString*))tileJSON启用DataonMapView:(RMMapView*)mapView代码。感谢您的帮助。
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