Acta Geodaetica et Cartographica Sinica ›› 2025, Vol. 54 ›› Issue (6): 1122-1138.doi: 10.11947/j.AGCS.2025.20240237

• Cartography and Geoinformation • Previous Articles     Next Articles

From component to scene: basic concept, framework and application of scene construction

Chen ZHANG1,2,3(), Biao HE1,2,3(), Weixi WANG1,2,3, Ding MA1,2,3, Xi KUAI1,2,3, Renzhong GUO1,2,3   

  1. 1.Research Institute for Smart Cities, School of Architecture and Urban Planning, Shenzhen University, Shenzhen 518060, China
    2.Shenzhen Key Laboratory of Digital Twin Technologies for Cities, Shenzhen 518060, China
    3.State Key Laboratory of Subtropical Building and Urban Science, Shenzhen 518060, China
  • Received:2024-06-09 Revised:2025-05-08 Online:2025-07-14 Published:2025-07-14
  • Contact: Biao HE E-mail:czhang@szu.edu.cn;hebiao@szu.edu.cn
  • About author:ZHANG Chen (1997—), male, postdoctor, majors in photorealistic 3D scene modeling. E-mail: czhang@szu.edu.cn
  • Supported by:
    The National Natural Science Foundation of China(42401509);The Postdoctoral Fellowship Program of CPSF under Grant Number(GZB20240459)

Abstract:

The concept of “digital twin” has gained considerable momentum in the past, primarily reflecting the increased production and accumulation of 3D data on the internet. This trend has led to new challenges in mirroring the physical world into the virtual one, as a high level of immersion is a prerequisite. However, the 3D modeling of urban scenes poses significant challenges because it demands a comprehensive mapping of all geographical entities including buildings, roads, vegetation, grasslands and many others. The diversity and complexity of urban scenes make it difficult to develop a universal 3D modeling method for each entity. This paper aims to outline a conceptual framework named “scene construction” for three requirements, i.e., realism, controllability, and volume of modelling. Firstly, we review the connotation of digital twin city and 3D real scene to derive a general introduction of scene construction. Then, we discuss the core concept of scene construction method based on reductionism. The method is detailed through a three-part framework of “deconstruction-representation-combination”. Furthermore, we present case studies on three typical urban objects: roads, ground, and grasslands. These case studies highlight the advantages of the proposed method in terms of realism, controllability, and volume. Finally, we contemplate the theoretical significance of the scene construction method from the perspective of cartography and list the key points in the subsequent research.

Key words: scene construction, reductionism, photorealism, digital twin, urban scene modelling

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