小编Jig*_*rji的帖子

我想在mapbox中添加模糊效果.第一次加载地图时,时间只显示地图中的当前位置其他地图是蓝色.

当我将用户位置移动到另一个位置时,地图上的其他位置清晰.另外在特定位置显示注释,请参见屏幕截图

帮助我如何实现这一点

在这里,我将实现一些代码

- (CGPoint)convertLatLongCoord:(CGPoint)latLong {
    CGSize screenSize = [UIScreen mainScreen].applicationFrame.size];
    CGFloat SCALE = MIN(screenSize.width, screenSize.height) / (2.0 * EARTH_RADIUS);
    CGFloat OFFSET = MIN(screenSize.width, screenSize.height) / 2.0;
    CGFloat x = EARTH_RADIUS * cos(latLong.x) * cos(latLong.y) * SCALE + OFFSET;
    CGFloat y = EARTH_RADIUS * cos(latLong.x) * sin(latLong.y) * SCALE + OFFSET;

    return CGPointMake(x, y);
}

-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations
{
    NSLog(@"data=%f",self.mapview.userLocation.coordinate.latitude);
    CLLocation *currentLoc=[locations objectAtIndex:0];
    _coordinate=currentLoc.coordinate;
CGPoint latLong = {_coordinate.latitude, _coordinate.longitude};
    oldcord = [self convertLatLongCoord:latLong];
    NSLog(@"Cartesian Coordinate: (%f, %f)",oldcord.x, …