Procedural Generation of Parcels in Urban Modeling

Vanegas, Carlos A.; Kelly, Tom; Weber, Basil; Halatsch, Jan; Aliaga, Daniel G.; Müller, Pascal

doi:10.1111/j.1467-8659.2012.03047.x

Cited by 76 publications

(59 citation statements)

References 22 publications

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“…The procedural generation of streets [7], parcels [8], and cities [9] creates detailed and structurally realistic models. However, procedural modeling lacks control, and grammars are mostly written on the basis of domain expertise or flow data and not on the basis of the real world.…”

Section: Related Workmentioning

confidence: 99%

“…The last future work item that we have run experiments on is to convert the meter marker logic to a state-of-the-art parcel subdivision method [8]. The constraint subdivision divides the blocks into parcels, which obey the road topology and follow some constraints, such as having adequate street access, being of approximately the same sizes, having less split irregularity between them, and so forth.…”

Section: Limitations and Future Workmentioning

confidence: 99%

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Generative Street Addresses from Satellite Imagery

Demir

Hughes

Raj

et al. 2018

IJGI

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Abstract:We describe our automatic generative algorithm to create street addresses from satellite images by learning and labeling roads, regions, and address cells. Currently, 75% of the world's roads lack adequate street addressing systems. Recent geocoding initiatives tend to convert pure latitude and longitude information into a memorable form for unknown areas. However, settlements are identified by streets, and such addressing schemes are not coherent with the road topology. Instead, we propose a generative address design that maps the globe in accordance with streets. Our algorithm starts with extracting roads from satellite imagery by utilizing deep learning. Then, it uniquely labels the regions, roads, and structures using some graph-and proximity-based algorithms. We also extend our addressing scheme to (i) cover inaccessible areas following similar design principles; (ii) be inclusive and flexible for changes on the ground; and (iii) lead as a pioneer for a unified street-based global geodatabase. We present our results on an example of a developed city and multiple undeveloped cities. We also compare productivity on the basis of current ad hoc and new complete addresses. We conclude by contrasting our generative addresses to current industrial and open solutions.

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Section: Related Workmentioning

confidence: 99%

Section: Limitations and Future Workmentioning

confidence: 99%

Generative Street Addresses from Satellite Imagery

Demir

Hughes

Raj

et al. 2018

IJGI

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“…Because straight skeletons accurately reflect the form of initial objects and do not produce surplus edges, they are well suited to urban space partitioning in relation to man-made objects, such as buildings. A procedural approach, based on straight skeleton, for automated parcel generation within city blocks is proposed by Vanegas et al (2012). It allows for further influence on the created regions based on criteria such as street access, shape compactness, spatial extent, and orientation.…”

Section: Space Subdivision Approachesmentioning

confidence: 99%

Space Partitioning for Privacy Enabled 3d City Models

Filippovska

Wichmann

Kada

2016

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Due to recent technological progress, data capturing and processing of highly detailed (3D) data has become extensive. And despite all prospects of potential uses, data that includes personal living spaces and public buildings can also be considered as a serious intrusion into people's privacy and a threat to security. It becomes especially critical if data is visible by the general public. Thus, a compromise is needed between open access to data and privacy requirements which can be very different for each application. As privacy is a complex and versatile topic, the focus of this work particularly lies on the visualization of 3D urban data sets. For the purpose of privacy enabled visualizations of 3D city models, we propose to partition the (living) spaces into privacy regions, each featuring its own level of anonymity. Within each region, the depicted 2D and 3D geometry and imagery is anonymized with cartographic generalization techniques. The underlying spatial partitioning is realized as a 2D map generated as a straight skeleton of the open space between buildings. The resulting privacy cells are then merged according to the privacy requirements associated with each building to form larger regions, their borderlines smoothed, and transition zones established between privacy regions to have a harmonious visual appearance. It is exemplarily demonstrated how the proposed method generates privacy enabled 3D city models.

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“…Our method can improve upon this previous work by allowing for better control of the distribution of and neighborhood relationships between tiles. Splitting techniques are also useful for computing parcel layouts [Vanegas et al 2012]. The most popular layout problem with deformable elements is actually quad and triangle meshing.…”

Section: Related Workmentioning

confidence: 99%

Computing layouts with deformable templates

2014

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Figure 1: Our framework is able to generate layouts that meet both accessibility and aesthetic criteria for arbitrarily shaped (e.g., non-axis aligned) domains. Here, we show several floorplan layouts for a pentagon-shaped building. The accessibility criteria specify that all rooms are connected to the elevators via a singly connected corridor. The aesthetic criteria specify the admissible deformations for the rooms. Upper-left: A set of tile templates to build the corridor: (1) predefined locations of the corridor, (2) first-level branches of the corridor, and (3) second-level branches of the corridor. Observe how these topological constraints are enforced by the the edge-color constraints of the tiles. Bottom-left: A set of deformable room templates. The doors are constrained to be at the red edges (alternative locations are marked with a star). Certain rooms are deformable to be quads with two right angles. Right: We show three distinct floorplan designs for different floors of the building. The different designs are achieved by different predefined locations of the corridor (grey parts in the sub-figures in the upper-right corners). The corridor branches and the rooms are then found by our discrete tiling algorithm in a way such that rooms are placed with a higher priority. Finally, the mesh geometry is optimized to minimize the deviations of the rooms from their admissible shapes and the straightness of the room boundaries. AbstractIn this paper, we tackle the problem of tiling a domain with a set of deformable templates. A valid solution to this problem completely covers the domain with templates such that the templates do not overlap. We generalize existing specialized solutions and formulate a general layout problem by modeling important constraints and admissible template deformations. Our main idea is to break the layout algorithm into two steps: a discrete step to lay out the approximate template positions and a continuous step to refine the template shapes. Our approach is suitable for a large class of applications, including floorplans, urban layouts, and arts and design.

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Procedural Generation of Parcels in Urban Modeling

Cited by 76 publications

References 22 publications

Generative Street Addresses from Satellite Imagery

Generative Street Addresses from Satellite Imagery

Space Partitioning for Privacy Enabled 3d City Models

Computing layouts with deformable templates

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