Web model lightweight processing method and device and readable storage medium

Abstract

The invention provides a Web model lightweight processing method and apparatus, and a readable storage medium. The method comprises the steps of obtaining a data structure of a to-be-optimized three-dimensional scene; wherein the to-be-optimized three-dimensional scene comprises at least one sub-tile data block; calculating the simplification degree of each sub-tile data block, and if the simplification degree of the sub-tile data block exceeds a preset simplification value, performing first processing on the sub-tile data block to generate a new sub-tile data block; deploying the new sub-tiledata blocks in the corresponding first boundary bodies respectively, and deploying the new tile data blocks in the at least one first boundary body in the corresponding second boundary bodies; and soon until all the new sub-tile data blocks are allocated to a boundary body and the like. According to the method, the lightweight processing of the to-be-optimized three-dimensional scene is realizedby performing the first processing on all the sub-tile data blocks of which the simplification degree exceeds the preset simplification value, so that the display and loading speed of the three-dimensional scene is improved, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of three-dimensional visualization, and in particular, relates to a web model lightweight processing method, device and readable storage medium. Background technique [0002] Based on the development of network communication technology and computer technology, Web-based 3D visualization technology has emerged as the times require. It has developed rapidly in recent years and has been widely used in construction, geographic information and other industries. For example, in the field of architecture, good 3D effects can greatly improve efficiency, give decision makers more intuitive performance to help evaluate their quality and results, and reduce unnecessary waste; in the field of virtual reality, 3D visualization can provide more real, Scenes with more visual impact can perfectly reproduce some ancient scenes, making viewers swim in them as if they were there; in the medical field, three-dimensional visuali...

AI Technical Summary

Problems solved by technology

(1) The existing lightweight technology copies the geometry when different nodes refer to the same geometry, and bakes the matrix for all vertex data. This method can simplify the processing process, but the biggest defect is that the data is redundant; ( 2) When the existing lightweight technology refines the geometry, the same geometric data will appear in multiple levels, resulting in this part of the data being stored multiple times, resulting in data redundancy; (3) the existing lightweight technology Use a non-strict octree index, that is, use the center point of the geometry to calculate the spatial index. Once the scale difference between the geometry and the tile of the data block is small, the octree index will cause serious index range overlap and even data segmentation. Failure situation

Images