Hybrid tree parallel construction method based on GPU
A construction method and hybrid tree technology, applied in the field of GPU-based hybrid tree parallel construction, can solve problems such as rough quality, affecting construction speed, and slow node generation speed.
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[0025] The specific implementation manner of the present invention is introduced below.
[0026] A GPU-based hybrid tree parallel construction method, select a patch with the largest variance in the X, Y, and Z coordinate axes of the model space that needs to be rendered, and calculate the vertical slice position of the coordinate axis, so that the slice The number of patches on both sides is equal, and the scene data in the model space is divided into KD trees step by step, and then the divided leaf nodes are divided into octrees in turn; the specific steps of dividing the scene data are as follows:
[0027] Step a), two queues are established in the storage area, one stores the scene node data waiting to be processed, one stores the processed scene node data, and one stores the octree root node waiting to be processed;
[0028] Step b), take out the scene node data in the first queue sequentially, if the node data meets the condition of stopping the division, then put the no...
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