Design and Implementation of a 4D Web Application for Analytical Visualization of Smart City Applications

Clicks: 284
ID: 3505
2018
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Abstract
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.
Reference Key
murshed2018designisprs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Murshed, Syed Monjur;Al-Hyari, Ayah Mohammad;Wendel, Jochen;Ansart, Louise;
Journal isprs international journal of geo-information
Year 2018
DOI
DOI not found
URL
http://www.mdpi.com/2220-9964/7/7/276
Keywords Keywords not found

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