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Level of detail categorization for the application in urban design

Cudzik Jan, Aydoğan Muhammed, Güler Barkın Emirhan

Przestrzeń i Forma

2023

nr 55

9--28

Urban planning and urban design involve complex processes that require detailed information about the visual information of a place at various scales. Different graphic tools, such as game engines, are evolving to use urban representation fields. The concept of "level of detail" (LOD) has been used to categorize the level of detail in AEC applications such as BIM and GML for urban representation models. However, there is a need to distinguish between different LOD concepts commonly used in various fields, as these terms have different interpretations and implications. This article presents a novel approach to re-categorizing the level of detail concept in AEC applications, led by the traditional use of LOD and in parallel with urban planning scales. From an urbanist perspective, a four-stage LOD classification framework has been studied: LOD 1000 for urban and neighbourhood scales, LOD 2000 for the plaza and square scales, LOD 3000 for architectural and street scales, and LOD 4000 for protected and private areas.

Image beyond the form. Representing perception of urban environment

Bagnolo Vincenzo, Manca Andrea

Architecture Civil Engineering Environment

2019

Vol. 12, no. 2

7--16

Perception, awareness and appreciation of the built environment are essential skills in urban representation and design. Among the different perceptual dimensions, the visual, or more precisely the visual-aesthetic dimension is the field that better expresses its potential in representation. The study, in an analytical-applicative perspective, addresses the reading of the relationship between forms and uses, symbols and meanings of an urban public space characterized by a recent transformation. The architectural stratifications and practices of use lead to the definition of space, in its tangible and intangible components. In this regard the analysis of the historical drifts, traced back through images and drawings, help us to make visible the mutations and the processes helpful to understand and describe its actual order. The aim of the research is to investigate the visual dimension of an urban space, both in its material and immaterial connotations, and its relationship with the stratified or new uses, explored by multiple and diversified tools of urban representation