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Auteur Syed Monjur Murshed |
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Design and implementation of a 4D Web application for analytical visualization of smart city applications / Syed Monjur Murshed in ISPRS International journal of geo-information, vol 7 n° 7 (July 2018)
[article]
Titre : Design and implementation of a 4D Web application for analytical visualization of smart city applications Type de document : Article/Communication Auteurs : Syed Monjur Murshed, Auteur ; Ayah Mohammad Al-Hyari, Auteur ; Jochen Wendel, Auteur ; Louise Ansart, Auteur Année de publication : 2018 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] bibliothèque logicielle
[Termes IGN] données localisées 3D
[Termes IGN] globe virtuel
[Termes IGN] HTML
[Termes IGN] interface web
[Termes IGN] Javascript (langage de script)
[Termes IGN] visualisation 4D
[Termes IGN] visualisation dynamique
[Termes IGN] webGL
[Vedettes matières IGN] GéovisualisationRésumé : (Auteur) Contemporary development of computer hardware and software, WebGIS and geo-web services as well as the availability of semantic 3D city models, facilitate flexible and dynamic implementation of web applications. The aim of this paper is to introduce 4D CANVAS, a web-based application for dynamic visualization of 3D geospatial data for improved decision making in smart city applications. It is based on the Cesium Virtual Globe, an open-source JavaScript library developed with HTML5 and WebGL. At first, different data formats such as JSON, GeoJSON, Cesium Markup Language (CZML) and 3D Tiles are evaluated for their suitability in 4D visualization applications. Then, an interactive Graphical User Interface (GUI) is built observing the principle of cartographic standards to view, manage, understand and explore different simulation outputs at multiple spatial (3D surface of buildings) and temporal (hourly, daily, monthly) resolutions. In this regard, multiple tools such as aggregation, data classification, etc. are developed utilizing JavaScript libraries. As a proof of concept, two energy simulations and their outputs of different spatial and temporal resolutions are demonstrated in five Asian and European cities. Finally, the 4D CANVAS is deployed both in desktop and multi-touch screens. The proposed application allows easy integration of any other geospatial simulation results, thereby helps the users from different sectors to explore them interactively in 4D. Numéro de notice : A2018-348 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.3390/ijgi7070276 Date de publication en ligne : 12/07/2018 En ligne : https://doi.org/10.3390/ijgi7070276 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90573
in ISPRS International journal of geo-information > vol 7 n° 7 (July 2018)[article]Towards a 3D spatial urban energy modelling approach / Jean-Marie Bahu in International journal of 3-D information modeling, vol 3 n° 3 (July- September 2014)
[article]
Titre : Towards a 3D spatial urban energy modelling approach Type de document : Article/Communication Auteurs : Jean-Marie Bahu, Auteur ; Andreas Koch, Auteur ; Enrique Kremers, Auteur ; Syed Monjur Murshed, Auteur Année de publication : 2014 Article en page(s) : pp 1 - 16 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] analyse des besoins
[Termes IGN] chaleur
[Termes IGN] données localisées 3D
[Termes IGN] énergie
[Termes IGN] fuite thermique
[Termes IGN] milieu urbain
[Termes IGN] modèle 3D de l'espace urbain
[Termes IGN] modèle orienté agentRésumé : (auteur) Today's needs to reduce the environmental impact of energy use impose dramatic changes for energy infrastructure and existing demand patterns (e.g. buildings) corresponding to their specific context. In addition, future energy systems are expected to integrate a considerable share of fluctuating power sources and equally a high share of distributed generation of electricity. Energy system models capable of describing such future systems and allowing the simulation of the impact of these developments thus require a spatial representation in order to reflect the local context and the boundary conditions. This paper describes two recent research approaches developed at EIFER in the fields of (a) geo-localised simulation of heat energy demand in cities based on 3D morphological data and (b) spatially explicit Agent-Based Models (ABM) for the simulation of smart grids. 3D city models were used to assess solar potential and heat energy demand of residential buildings which enable cities to target the building refurbishment potentials. Distributed energy systems require innovative modelling techniques where individual components are represented and can interact. With this approach, several smart grid demonstrators were simulated, where heterogeneous models are spatially represented. Coupling 3D geodata with energy system ABMs holds different advantages for both approaches. On one hand, energy system models can be enhanced with high resolution data from 3D city models and their semantic relations. Furthermore, they allow for spatial analysis and visualisation of the results, with emphasis on spatially and structurally correlations among the different layers (e.g. infrastructure, buildings, administrative zones) to provide an integrated approach. On the other hand, 3D models can benefit from more detailed system description of energy infrastructure, representing dynamic phenomena and high resolution models for energy use at component level. The proposed modelling strategies conceptually and practically integrate urban spatial and energy planning approaches. The combined modelling approach that will be developed based on the described sectorial models holds the potential to represent hybrid energy systems coupling distributed generation of electricity with thermal conversion systems. Numéro de notice : A2014-691 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.4018/ij3dim.2014070101 En ligne : https://doi.org/10.4018/ij3dim.2014070101 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=75327
in International journal of 3-D information modeling > vol 3 n° 3 (July- September 2014) . - pp 1 - 16[article]Réservation
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