Urban pattern: Layout design by hierarchical domain splitting

Abstract
We present a framework for generating street networks and parcel layouts. Our goal is the generation of high-quality layouts that can be used for urban planning and virtual environments. We propose a solution based on hierarchical domain splitting using two splitting types: streamline-based splitting, which splits a region along one or multiple streamlines of a cross field, and template-based splitting, which warps pre-designed templates to a region and uses the interior geometry of the template as the splitting lines. We combine these two splitting approaches into a hierarchical framework, providing automatic and interactive tools to explore the design space.

Citation
Yang Y-L, Wang J, Vouga E, Wonka P (2013) Urban pattern. ACM Transactions on Graphics 32: 1–12. Available: http://dx.doi.org/10.1145/2508363.2508405.

Acknowledgements
We are grateful to Helmut Pottmann for his many useful suggestions at various stages of the work; Mohamed Shalaby for valuable discussions, his help with Fig. 2 and the design of the garden templates; and the anonymous reviewers for their helpful comments. We thank Pascal Muller for providing the CityEngine results; Yoshihiro Kobayashi for the 3D rendering of the teaser image; Charlotte Rakhit for the video voiceover; Virginia Unkefer for carefully proofreading the paper; and John Peponis and Lars Hesselgren for discussions on urban planning and layout quality metrics. This project was funded by KAUST, NVIDIA, Google, and the National Science Foundation.

Publisher
Association for Computing Machinery (ACM)

Journal
ACM Transactions on Graphics

DOI
10.1145/2508363.2508405

Additional Links
https://youtu.be/0o1k4mIEJT0

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