Thomas Leduc | Ecole Nationale Supérieure d'architecture de Nantes (original) (raw)
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Papers by Thomas Leduc
Usage, Usability, and Utility of 3D City Models – European COST Action TU0801, 2012
The series of studies that are focused on the Old Bazaarthe historic and protected district in ci... more The series of studies that are focused on the Old Bazaarthe historic and protected district in city of Skopje, exercise the complex spatial analysis or the urban environment with use of models of visibility, patterns of spatial configuration and pedestrian behavior as scientific knowledge and research tools for better understanding of the processes that are shaping our cities. An integrated knowledge base has been proposed as the basis for urban models, being the container of a variety of traceable information needed for exhaustive description of the urban context that can provide a scientific platform for more sustainable management and development of urban protected areas.
According to permeability theory, surroundings' configuration and, more precisely, the existe... more According to permeability theory, surroundings' configuration and, more precisely, the existence of occlusions in our enclosure may invite us to explore our environment. This article aims to analyze, in a systematic and reproducible way, the ratio of mystery in one's surrounding visualscape. To assess this property in each place, we recall three indicators relative to the boundary previsibility (entropy), the weight of visual heap (drift), and the occlusions ratio (occlusivity). We also introduce a fourth indicator which weights each occlusion (anticipation). At last, we refer to some convex partition technics of urban open spaces.
In the present joint research, authors are trying to correlate surroundings assessments with pede... more In the present joint research, authors are trying to correlate surroundings assessments with pedestrian movement behavior through visibility and mobility studies respectively. In order to achieve this objective, several isovists field simulations have been applied on the one hand, and a virtual forces based model has been introduced on the other hand. A specific aspect of the present study is that it proceeds in a systematic evaluation of the whole region of interest and does not only focus on several given trajectories. The field oriented analysis of the open spaces through a drift based shape index exhibits several morphological saliencies. The virtual forces model gives an indication of pedestrian movements through generated trajectories. As a result, both approaches have been merged in a common geographical information system which allows achieving reliable spatial comparisons. For instance, movement accelerators have been spatially correlated to areas of lowest drift magnitudes.
Revue internationale de géomatique, 2015
Usage, Usability, and Utility of 3D City Models – European COST Action TU0801, 2012
The series of studies that are focused on the Old Bazaarthe historic and protected district in ci... more The series of studies that are focused on the Old Bazaarthe historic and protected district in city of Skopje, exercise the complex spatial analysis or the urban environment with use of models of visibility, patterns of spatial configuration and pedestrian behavior as scientific knowledge and research tools for better understanding of the processes that are shaping our cities. An integrated knowledge base has been proposed as the basis for urban models, being the container of a variety of traceable information needed for exhaustive description of the urban context that can provide a scientific platform for more sustainable management and development of urban protected areas.
According to permeability theory, surroundings' configuration and, more precisely, the existe... more According to permeability theory, surroundings' configuration and, more precisely, the existence of occlusions in our enclosure may invite us to explore our environment. This article aims to analyze, in a systematic and reproducible way, the ratio of mystery in one's surrounding visualscape. To assess this property in each place, we recall three indicators relative to the boundary previsibility (entropy), the weight of visual heap (drift), and the occlusions ratio (occlusivity). We also introduce a fourth indicator which weights each occlusion (anticipation). At last, we refer to some convex partition technics of urban open spaces.
In the present joint research, authors are trying to correlate surroundings assessments with pede... more In the present joint research, authors are trying to correlate surroundings assessments with pedestrian movement behavior through visibility and mobility studies respectively. In order to achieve this objective, several isovists field simulations have been applied on the one hand, and a virtual forces based model has been introduced on the other hand. A specific aspect of the present study is that it proceeds in a systematic evaluation of the whole region of interest and does not only focus on several given trajectories. The field oriented analysis of the open spaces through a drift based shape index exhibits several morphological saliencies. The virtual forces model gives an indication of pedestrian movements through generated trajectories. As a result, both approaches have been merged in a common geographical information system which allows achieving reliable spatial comparisons. For instance, movement accelerators have been spatially correlated to areas of lowest drift magnitudes.
Revue internationale de géomatique, 2015