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Three-dimensional model simplification method and device

A 3D model and model technology, applied in 3D modeling, design optimization/simulation, instruments, etc., can solve the problems of simplified components, large amount of model data, and low operation efficiency, so as to reduce the amount of data operation and improve operation efficiency , the effect of reducing the amount of data

Pending Publication Date: 2022-07-05
广东博智林软件科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the existing modeling technology uses the 3D model, the amount of model data is large, and the simplification of the components in the 3D model is not considered, so it is applied in some scenarios with weak data computing power or small transmission bandwidth. In the middle, there is a disadvantage of low computing efficiency

Method used

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  • Three-dimensional model simplification method and device

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Embodiment 1

[0108] see figure 1 , figure 1 It is a schematic flowchart of a three-dimensional model simplification method disclosed in an embodiment of the present invention. in, figure 1 The described three-dimensional model simplification method can be applied to a three-dimensional data processing system, a processing device or a processing server (wherein the server includes a local processing server or a cloud processing server). like figure 1 As shown, the three-dimensional model simplification method may include the following operations:

[0109] 101. Obtain a three-dimensional model of the target to be simplified.

[0110] Optionally, the target 3D model can be a 3D model used to represent different entities in different fields, for example, it can be a BIM 3D model used to represent a building in the architectural field, or it can be an animation character used to represent the art field or The three-dimensional model of the realistic character is not limited in the present ...

Embodiment 2

[0189] see figure 2 , figure 2 It is a schematic flowchart of another three-dimensional model simplification method disclosed in an embodiment of the present invention. in, figure 2 The described three-dimensional model simplification method can be applied to a three-dimensional data processing system, a processing device or a processing server (wherein the server includes a local processing server or a cloud processing server). like figure 2 As shown, the three-dimensional model simplification method may include the following operations:

[0190] 201. Acquire a three-dimensional model of the target to be simplified.

[0191] 202. Determine multiple three-dimensional components located in multiple different model regions in the target three-dimensional model.

[0192] 203. Project the three-dimensional components in the multiple model regions in the target three-dimensional model along the first-dimensional direction toward the two-dimensional plane composed of the se...

Embodiment 3

[0212] see image 3 , image 3 It is a schematic structural diagram of a three-dimensional model simplification device disclosed in an embodiment of the present invention. in, image 3 The described apparatus for simplifying a three-dimensional model can be applied to a three-dimensional data processing system, a processing device or a processing server (wherein the server includes a local processing server or a cloud processing server). like image 3 As shown, the three-dimensional model simplification device may include:

[0213] The model obtaining module 301 is used to obtain the target three-dimensional model to be simplified.

[0214] Optionally, the target 3D model can be a 3D model used to represent different entities in different fields, for example, it can be a BIM 3D model used to represent a building in the architectural field, or it can be an animation character used to represent the art field or The three-dimensional model of the realistic character is not l...

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Abstract

The invention discloses a method and a device for simplifying a three-dimensional model. The method comprises the following steps: acquiring a target three-dimensional model to be simplified; determining a plurality of three-dimensional components in a plurality of different model areas in the target three-dimensional model; projecting the three-dimensional components in the plurality of model areas in the target three-dimensional model towards a two-dimensional plane consisting of a second-dimensional direction and a third-dimensional direction along a first-dimensional direction so as to form a two-dimensional projection set corresponding to the three-dimensional components; and determining the two-dimensional projection sets corresponding to the plurality of model areas as simplified models corresponding to the target three-dimensional model. Visibly, the method can perform two-dimensional projection on the three-dimensional components in the different model regions to obtain the two-dimensional projection set of the components in the regions, so that the data volume of the model is greatly reduced while the edge features of the model are reserved, the calculation amount of data can be reduced during subsequent model calculation, and the calculation efficiency is improved. The operation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of model data processing, in particular to a method and device for simplifying a three-dimensional model. Background technique [0002] With the development of modeling technology, more and more fields have begun to use 3D modeling technology to realize the reproduction and simulation of solid space. For example, in the field of construction, BIM technology has become more and more mature, and can provide simulation effects and materials for actual construction. Program. However, when the existing modeling technology uses the 3D model, the amount of model data is large, and the simplification of the components in the 3D model is not considered, so it is used in some scenarios with weak data computing power or small transmission bandwidth. In the middle, there is a disadvantage of low operation efficiency. It can be seen that there are defects in the prior art, which need to be solved urgently. SUMMARY OF...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/13G06F30/20G06T17/10G06F119/02
CPCG06F30/13G06F30/20G06T17/10G06F2119/02
Inventor 武腾李文浩
Owner 广东博智林软件科技有限公司
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