In this code, the main thing that can go wrong is that the ST_Transform function cannot compute a proper point value in projected coordinates from the given latitude and longitude.
在此代码中，可能导致出错的主要情况是ST _ Transform函数无法从给定的纬度和经度计算出投影坐标中的正确点值。
If you open up the scene, you will see that there's no proper point of view defined yet.
如果你打开这个场景，你会看到场景中还没有定义一个正确的视角。
If you open up the scene, you will see that there's no proper point of view defined yet.
如果你打开这个场景，你会看到场景中还没有定义一个正确的视角。
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