2025, Vol. 12, No. 4. - go to content...

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DOI: 10.15862/12NZOR425 (https://doi.org/10.15862/12NZOR425)

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Golovachev N.S. Method for modular modelling of architectural objects for the creation of photorealistic three-dimensional cartographic products of urban areas. Russian journal of resources, conservation and recycling. 2025; 12(4). Available at: https://resources.today/PDF/12NZOR425.pdf (in Russian). DOI: 10.15862/12NZOR425

Method for modular modelling of architectural objects for the creation of photorealistic three-dimensional cartographic products of urban areas

Golovachev Nikita Sergeevich
Siberian State University of Geosystems and Technologies, Novosibirsk, Russia
E-mail: tel1386@mail.ru
RSCI: https://elibrary.ru/author_profile.asp?id=1285232

Abstract. The article examines an approach to modular modelling of architectural objects aimed at producing photorealistic three-dimensional cartographic representations of urban areas. The study is based on an analysis of contemporary methods for constructing building models-plan extrusion, photogrammetric reconstruction, and manual modelling — and identifies their limitations under real-time visualisation. It is noted that automatic simplification of monolithic models leads to loss of semantic and visual façade characteristics, especially at medium viewing distances where recognisability of architectural forms and proportions must be preserved. As an alternative, the concept is proposed of representing buildings as assemblies of repeating façade modules with standardised connection interfaces, parametric compatibility, and the possibility of repeated use when creating new objects. Using the façade of the university’s main building as a test case, an approbation was carried out that included the identification of typical elements through intelligent image segmentation algorithms and the subsequent formation of a modular structure. The results show that up to eighty percent of the façade surface can be reconstructed from repeating elements while preserving visual plausibility. Data from laser scanning were used for metric calibration of model elements. The research confirms the applicability of the modular approach for optimising three-dimensional cartography, simplifying model updates, and integrating into digital twins of urban areas, demonstrating potential for visual navigation, virtual excursions, and analysis of the urban built environment, while combining photorealism, technological rationality, and reproducibility.

Keywords: modular modelling; three-dimensional cartography; architectural objects; digital twins; photorealistic visualisation; urban built environment; intelligent image segmentation; parametric models; visual navigation; virtual maps