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arXiv · 2509.10083

The Hierarchical Morphotope Classification: A Theory-Driven Framework for Large-Scale Analysis of Built Form

Martin Fleischmann·Krasen Samardzhiev·Anna Brázdová·Daniela Dančejová·Lisa Winkler
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Abstract

Built environment, formed of a plethora of patterns of building, streets, and plots, has a profound impact on how cities are perceived and function. While various methods exist to classify urban patterns, they often lack a strong theoretical foundation, are not scalable beyond a local level, or sacrifice detail for broader application. This paper introduces the Hierarchical Morphotope Classification (HiMoC), a novel, theory-driven, and computationally scalable method of classification of built form. HiMoC operationalises the idea of a morphotope - the smallest locality with a distinctive character - using a bespoke regionalisation method SA3 (Spatial Agglomerative Adaptive Aggregation), to delineate contiguous, morphologically distinct localities. These are further organised into a hierarchical taxonomic tree reflecting their dissimilarity based on morphometric profile derived from buildings and streets retrieved from open data, allowing flexible, interpretable classification of built fabric, that can be applied beyond a scale of a single country. The method is tested on a subset of countries of Central Europe, grouping over 90 million building footprints into over 500,000 morphotopes. The method extends the capabilities of available morphometric analyses, while offering a complementary perspective to existing large scale data products, which are focusing primarily on land use or use conceptual definition of urban fabric types. This theory-grounded, reproducible, unsupervised and scalable method facilitates a nuanced understanding of urban structure, with broad applications in urban planning, environmental analysis, and socio-spatial studies.

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Martin Fleischmann, Krasen Samardzhiev, Anna Brázdová, Daniela Dančejová, Lisa Winkler. 2025-09-12. The Hierarchical Morphotope Classification: A Theory-Driven Framework for Large-Scale Analysis of Built Form. https://doi.org/10.1016/j.cities.2026.107047

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