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  • iOS-百度地图_屏幕所显示范围内的经纬度

      //当前屏幕中心点的经纬度

        CGFloat centerLongitude = self.mapView.region.center.longitude;

        CGFloat centerLatitude = self.mapView.region.center.latitude;

        //当前屏幕显示范围的经纬度

        CLLocationDegrees pointssLongitudeDelta = self.mapView.region.span.longitudeDelta;

        CLLocationDegrees pointssLatitudeDelta = self.mapView.region.span.latitudeDelta;

       

        //左上角

        CGFloat leftUpLong = centerLongitude - pointssLongitudeDelta/2.0;

        CGFloat leftUpLati = centerLatitude - pointssLatitudeDelta/2.0;

        //右上角

        CGFloat rightUpLong = centerLongitude + pointssLongitudeDelta/2.0;

        CGFloat rightUpLati = centerLatitude - pointssLatitudeDelta/2.0;

        //左下角

        CGFloat leftDownLong = centerLongitude - pointssLongitudeDelta/2.0;

        CGFloat leftDownlati = centerLatitude + pointssLatitudeDelta/2.0;

        //右下角

        CGFloat rightDownLong = centerLongitude + pointssLongitudeDelta/2.0;

        CGFloat rightDownLati = centerLatitude + pointssLatitudeDelta/2.0;

       

        NSLog(@" 左上   %f,%f--------- 右上   %f,%f------- 左下  %f,%f----- 右下  %f,%f",leftUpLong,leftUpLati,rightUpLong,rightUpLati,leftDownLong,leftDownlati,rightDownLong,rightDownLati);

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  • 原文地址:https://www.cnblogs.com/dondre/p/4630677.html
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