Method and system for switching indication surface

By using dynamic adjustment of the projection area of ​​the indicator surface and hiding of the extended surface in the computer-aided design system, the problem of users having difficulty switching complex 3D model views in the prior art is solved, realizing simpler and more accurate view navigation and improving the user's spatial perception ability.

CN121919932APending Publication Date: 2026-04-24SHANGHAI HAOKE DIGITAL INTELLIGENCE SOFTWARE TECHNOLOGY CO LTD
5 Cites 0 Cited by

Patent Information

Application Number
CN202610076691.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2026-01-15
Filing Date
2026-01-20
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

When dealing with complex 3D models, existing computer-aided design systems make it difficult for users to switch views quickly and accurately, especially in 3D models with complex structures or irregular shapes. The spatial correlation between existing navigation tools and auxiliary markers is weak, making it difficult for users to select view directions.

Method used

A method and system for switching indicator surfaces are provided. By displaying an indicator in a 3D scene, multiple indicator surfaces, including orthogonal surfaces, edge surfaces, and vertex surfaces, are used to dynamically adjust the projected area of ​​the indicator surface according to the user's viewing angle, increase or hide extended surfaces, enhance the visual effect of the original surface, and reduce the visual interference of the extended surfaces, thereby achieving the unbinding display of indicator surfaces and viewing angle.

Benefits of technology

It simplifies the view navigation for users in complex 3D scenes, improves users' spatial perception in complex 3D models, reduces visual interference, and enhances the ease of operation and accuracy of view navigation.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to the technical field of computer aided design (CAD), in particular to an indicating surface switching method and system, and the method comprises the steps: displaying a three-dimensional model in a three-dimensional scene, and displaying an indicator used for indicating the three-dimensional model, the indicator comprises a plurality of indicating surfaces, and one indicating surface corresponds to one observation visual angle of the three-dimensional model; identifying a projection area of an orthogonal surface, facing the user, of the indicator in the current observation direction; the projection area refers to an image area formed when the orthogonal surface is projected on the projection plane along the projection direction; when the projection area is greater than or equal to a set area threshold value, newly adding an expansion surface at a position adjacent to the orthogonal surface; and when the projection area is smaller than a set area threshold value, hiding the expansion surface. Therefore, under the condition that the options are relatively limited, the number of the options can be expanded to a certain degree, and meanwhile the situation that the space is disordered due to the fact that the expansion surface is increased can be avoided.
Need to check novelty before this filing date? Find Prior Art