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TOWARDS A DECISION SUPPORT TOOL FOR 3D VISUALISATION: APPLICATION TO SELECTIVITY PURPOSE OF SINGLE OBJECT IN A 3D CITY SCENE
Neuville, Romain; Pouliot, Jacynthe; Poux, Florent et al.
2017In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, IV-4/W5, p. 91-97
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Keywords :
3D semiotics; 3D visualisation; 3D cartography; 3D visualisation rules; static visual variables; 3D environment parameters; urban visualisation
Abstract :
[en] This paper deals with the establishment of a comprehensive methodological framework that defines 3D visualisation rules and its application in a decision support tool. Whilst the use of 3D models grows in many application fields, their visualisation remains challenging from the point of view of mapping and rendering aspects to be applied to suitability support the decision making process. Indeed, there exists a great number of 3D visualisation techniques but as far as we know, a decision support tool that facilitates the production of an efficient 3D visualisation is still missing. This is why a comprehensive methodological framework is proposed in order to build decision tables for specific data, tasks and contexts. Based on the second-order logic formalism, we define a set of functions and propositions among and between two collections of entities: on one hand static retinal variables (hue, size, shape…) and 3D environment parameters (directional lighting, shadow, haze…) and on the other hand their effect(s) regarding specific visual tasks. It enables to define 3D visualisation rules according to four categories: consequence, compatibility, potential incompatibility and incompatibility. In this paper, the application of the methodological framework is demonstrated for an urban visualisation at high density considering a specific set of entities. On the basis of our analysis and the results of many studies conducted in the 3D semiotics, which refers to the study of symbols and how they relay information, the truth values of propositions are determined. 3D visualisation rules are then extracted for the considered context and set of entities and are presented into a decision table with a colour coding. Finally, the decision table is implemented into a plugin developed with three.js, a cross-browser JavaScript library. The plugin consists of a sidebar and warning windows that help the designer in the use of a set of static retinal variables and 3D environment parameters.
Disciplines :
Earth sciences & physical geography
Computer science
Author, co-author :
Neuville, Romain ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Pouliot, Jacynthe;  Université Laval > Département des Sciences géomatiques
Poux, Florent  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Hallot, Pierre  ;  Université de Liège - ULiège > Faculté d'Architecture > Architecture Site Outremeuse
De Rudder, Laurent ;  Université de Liège - ULiège > Département de mathématique > Algèbre et logique
Billen, Roland  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Language :
English
Title :
TOWARDS A DECISION SUPPORT TOOL FOR 3D VISUALISATION: APPLICATION TO SELECTIVITY PURPOSE OF SINGLE OBJECT IN A 3D CITY SCENE
Publication date :
26 October 2017
Event name :
12th 3D Geoinfo Conference
Event organizer :
University of Melbourne
Event place :
Melbourne, Australia
Event date :
du 26 octobre 2017 au 27 octobre 2017
Audience :
International
Journal title :
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
ISSN :
2194-9042
eISSN :
2194-9050
Publisher :
Copernicus GmbH, Germany
Special issue title :
12th 3D Geoinfo Conference
Volume :
IV-4/W5
Pages :
91-97
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 November 2017

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