b3dm

1、设置Access-Control-Allow-Origin 打开IIS，找到“HTTP响应标头”点进去 在右侧可以看到添加，然后添加如下标头即可 Access-Control-Allow-Methods：GET Access-Control-Allow-Origin：* 2、把后缀.b3dm加到 ......

b3dm是⼀个缩写，它的全称是：Batched 3D Mode(批量化3d模型)。 Batched 3D Model allows offline batching of heterogeneous 3D models, such as different buildings in a city, ......