Modeling method based on mass laser radar grid point cloud data
A technology of lidar and point cloud data, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of inconvenient operation, low security, data sharing and unmanageable massive data, saving space , High rendering efficiency, the effect of ensuring security and concurrency
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0024] Such as figure 1 As shown, the modeling method based on massive lidar grid point cloud data of the present invention comprises the following steps:
[0025] Step 101, read the three-dimensional space point cloud data, and use these three-dimensional space point cloud data to construct a quadtree spatial index from top to bottom; and fill the three-dimensional space point cloud in the non-leaf nodes of the spatial index tree from bottom to top The index identification information of the data.
[0026] In this step, according to the rasterity of the original 3D spatial point cloud data, a quadtree spatial index is constructed in a top-down manner according to the number of rows and columns of the scanned point cloud.
[0027] The data structure of the quadtree spatial ...
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