Urban 3d Modelling Methods: A State-of-the-Art Review

Ying, Yue; Koeva, Mila; Kuffer, Monika; Zevenbergen, J.A.

doi:10.5194/isprs-archives-xliii-b4-2020-699-2020

Cited by 6 publications

(3 citation statements)

References 59 publications

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“…Catulo et al (2018) and Redweik et al (2017). According to Ying et al (2020) it has easy modelling operability, can be combined with the commonly available GIS data and potentially generates a clear visual representation of the city and attributes.…”

Section: D-model Creationmentioning

confidence: 99%

Analysis of Potential Disruptions From Earthquakes in Istanbul and 3D Model Based Risk Communication

Vries,

Atun,

Koeva

2023

IDRiM Journal

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Making cities disaster resilient is important as proven by the increased number of city networks such as 100 Resilient Cities. The major difficulty on this trajectory is the interrelated components in urban systems that influence each other and increase uncertainty in risk assessment and management. Therefore, this study analyses the potential road blockages that impact traffic control using a multi-hazard risk assessment for the historical peninsula of Istanbul, Turkey. To support the communication of the causes of such potential disruptions, a 3D city model is created for the visualisation and analysis of the consequences from a disaster. For the socioeconomic, physical and systemic vulnerability and risk assessments, the additive normalization indicator-based approach is used. Besides, to determine the building vulnerability and damage grades, the EMS-98 Macroseismic method is applied. This study found that the socioeconomic vulnerability is high to very high which could contribute to emergent behaviour causing traffic congestions and communication issues. In addition, most buildings have been determined to be ‘very heavily damaged’. Consequently, there is high risk for road blockages in the narrow streets within the case study area, while the roads themselves have low risk to damage. The usage of 3D modelling techniques for visualisation and analysis improves understandability, visual problem identification and support decision making for mitigation strategies in case of road blockages.

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Section: D-model Creationmentioning

confidence: 99%

Analysis of Potential Disruptions From Earthquakes in Istanbul and 3D Model Based Risk Communication

Vries,

Atun,

Koeva

2023

IDRiM Journal

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“…To attain its objectives, the development of an accurate 3D LAS is one of the five goals of the vision [121]. Due to the complex infrastructure development above and below ground and the evolving quest to make cities smart, there is a growing trend in 3D LAS development, worldwide [17,97,110,[122][123][124][125][126][127][128][129]. The 3D LASs shall provide a clear picture of complicated land and property conditions and support efficient urban planning.…”

Section: Innovationmentioning

confidence: 99%

Assessing the Status and Challenges of Urban Land Administration Systems Using Framework for Effective Land Administration (FELA): A Case Study in Pakistan

Ahsan

Hussain

Ali

et al. 2023

Land

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The urban land administration system (LAS) of any country serves as a key pillar for good governance, resource planning, service delivery, infrastructure development, and revenue collection. To reform their LASs, countries need a thorough understanding of their existing context and global relevance. The goal of this paper is to examine the status and challenges of urban LASs in Pakistan using the United Nations Framework for Effective Land Administration (FELA). The exploratory case study method used in the paper employs a mixed approach, which includes FELA-based questionnaire surveys, group discussions, and desk reviews. A total of 525 urban LAS stakeholders, including owner-buyers, real estate agents, bankers, lawyers, and LAS organizations, participated in the activity. The results show that more than half of the stakeholders are not satisfied with existing urban LASs, their governance and accountability, laws, and policies. Corruption is prevalent mostly in government organizations. Fraud and joint ownership are the most common sources of dispute, with 67 percent of the respondents stating that the cases take more than two years to resolve in court. The financial aspect of urban LASs is suffering due to property undervaluation and low revenue collection. Manual data and record keeping in LASs further complicate the system, with 87 percent of all respondents interested in innovating the urban LAS using modern technologies. Furthermore, 92 percent of all respondents expressed the need to standardize the existing LASs. There is a lack of capacity and skills, and 89 percent of organizations’ respondents believe that human resources skilled in Geographical Information Systems (GIS) and Remote Sensing (RS) can improve the efficiency of urban LASs. There is a lack of partnership among LAS organizations and a gap in the accessibility of LAS-related quality information. The country’s vision of building smart cities can be realized through LAS standardization and 3D and GIS innovation.

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“…point, line, polygon, solid), are the focus of this study. With this in mind, the modelling approaches in the objectoriented group (as the scope of this paper) mostly include wireframe (Ying et al, 2020), primitive instancing (De La Losa, 2000), Boundary representation (B-Rep) (Zlatanova, 2016), solid modelling (Knoth et al, 2020), Constructive Solid Geometry (CSG) (Jarroush and Even-Tzur, 2004;Knoth et al, 2020;Ying et al, 2020), sweeping (Knoth et al, 2020;Ying et al, 2020), and extrusion (Emamgholian et al, 2020b(Emamgholian et al, , 2017. Knoth et al (2020), Ying et al (2020), Ohori (2016), andZlatanova (2016) have extensively reviewed different geometric modelling approaches such as B-rep, CSG, extrusion, and sweeping.…”

Section: Geometric Modelling Approachesmentioning

confidence: 99%

3d Citylur: Modelling 3d City Land-Use Regulations to Support Issuing a Planning Permit

Emamgholian

Pouliot

Shojaei

2021

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. The applications and understanding of Land-use Regulations (LuR) are more communicable when they are linked to the digital representation of the physical world. In order to support issuing a planning permit and move towards the establishment of automated planning permit checks, this paper investigates how LuRs related to a planning permit process can be modelled in 3D called 3D CityLuR. 3D CityLuR serves as a 3D model for representing LuRs’ legal extents on a city scale. It is formed based on multiple geometric modelling approaches representing LuRs, which can provide a better cognitive understanding of LuRs and subsequently facilitate LuR automatic checks. To this purpose, according to LuRs’ descriptions and characteristics explained in related planning documents, key parameters representing LuRs’ extent are identified (e.g. maximum distance in overlooking or maximum allowed height in building height regulations). Accordingly, to automatically model each LuR, a geometric modelling approach (e.g. Boundary Representation (B-Rep), CSG, and extrusion) that best fits with the identified key parameters is proposed. In addition, to combine 3D CityLuR with an integrated BIM-GIS environment, the level of information need in terms of geometries and semantics is specified. Finally, the paper results in a showcase for five LuRs including building height, energy efficiency protection, overshadowing open space, overlooking, and noise impacts regulations. The showcase is a proof of concept for determining how these LuRs can be modelled in 3D and combined with 3D city models based on the selected geometric modelling approaches, identified parameters, and level of information need.

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Urban 3d Modelling Methods: A State-of-the-Art Review

Cited by 6 publications

References 59 publications

Analysis of Potential Disruptions From Earthquakes in Istanbul and 3D Model Based Risk Communication

Analysis of Potential Disruptions From Earthquakes in Istanbul and 3D Model Based Risk Communication

Assessing the Status and Challenges of Urban Land Administration Systems Using Framework for Effective Land Administration (FELA): A Case Study in Pakistan

3d Citylur: Modelling 3d City Land-Use Regulations to Support Issuing a Planning Permit

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