Publication

Disseminating Geometric Figures for Architecture Education and Research Through a Direct Data Stream Between CAD Software and a Web Viewer

2026

Abstract

This article investigates the dissemination of geometric figures for education and academic research in architecture. When extracting 3D geometry and metadata from digital models created using computer-aided design (CAD) software, traditional interoperability workflows based on file exchange often introduce lossy conversions to standardized data schemas. This paper proposes an alternative approach based on a direct data stream between CAD software and a web-based visualization environment, using the open-source collaborative platform Speckle. After outlining the objectives and methods, a state-of-the-art review highlights key technical challenges. A case study based on geometric figures modeled in TopSolid is then presented, involving two development layers: (1) a Speckle connector implemented as a plug-in within TopSolid, and (2) a customized web viewer built using speckle-viewer and Three.js. The results show that a CAD environment can be effectively replicated on the web, enabling flexible and open dissemination of academic content in architectural geometry.

Official source

https://infoscience.epfl.ch/entities/publication/b6658941-131d-4868-a461-c345d716f340

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b6658941-131d-4868-a461-c345d716f340

About this result

Related concepts (32)

Computer-aided design

Computer-Aided Design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing. Designs made through CAD software are helpful in protecting products and inventions when used in patent applications. CAD output is often in the form of electronic files for print, machining, or other manufacturing operations.

Geometry

Geometry (; ) is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. Geometry is, along with arithmetic, one of the oldest branches of mathematics. A mathematician who works in the field of geometry is called a geometer. Until the 19th century, geometry was almost exclusively devoted to Euclidean geometry, which includes the notions of point, line, plane, distance, angle, surface, and curve, as fundamental concepts.

BRL-CAD

BRL-CAD is a constructive solid geometry (CSG) solid modeling computer-aided design (CAD) system. It includes an interactive geometry editor, ray tracing support for graphics rendering and geometric analysis, computer network distributed framebuffer support, scripting, image-processing and signal-processing tools. The entire package is distributed in source code and form. Although BRL-CAD can be used for a variety of engineering and graphics applications, the package's primary purpose continues to be the support of ballistic and electromagnetic analyses.

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