Three-dimensional space index method aiming at massive laser radar point cloud models
A three-dimensional space, point cloud model technology, applied in special data processing applications, instruments, electrical digital data processing and other directions, can solve problems such as the lack of efficient retrieval of massive spatial data and the reduction of spatial index retrieval efficiency.
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[0018] 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.
[0019] The three-dimensional spatial index method for massive laser radar point cloud models described in the present invention combines the respective index characteristics of the octree spatial index, the three-dimensional K-D tree spatial index and the three-dimensional R-tree spatial index, and indexes in a manner of first integration and then mixing Massive fine point cloud model data, in the three-dimensional space indexing method described in the present invention, need to involve five kinds of data objects, are respectively three-dimensional point data, vertex data, minimum outsourcing rectangular body data, octree node data and K-D tree node data.
[0020] Among them, the three-dimensional point data includes x, y, z three-dimensional coordinate value attribute infor...
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