Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge

This paper presents an online application—called <i>3D integrator</i>—enabling visual cross-examinations of architectural and acoustic data on web browsers and explains the rationale behind its development. The tool consists of a series of overlays developed over the <i>Potree</...

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Main Authors: Laurent Bergerot, Jean-Yves Blaise, Iwona Dudek, Anthony Pamart, Mitsuko Aramaki, Simon Fargeot, Richard Kronland-Martinet, Adrien Vidal, Sølvi Ystad
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Heritage
Subjects:
Online Access:https://www.mdpi.com/2571-9408/5/4/197
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author Laurent Bergerot
Jean-Yves Blaise
Iwona Dudek
Anthony Pamart
Mitsuko Aramaki
Simon Fargeot
Richard Kronland-Martinet
Adrien Vidal
Sølvi Ystad
author_facet Laurent Bergerot
Jean-Yves Blaise
Iwona Dudek
Anthony Pamart
Mitsuko Aramaki
Simon Fargeot
Richard Kronland-Martinet
Adrien Vidal
Sølvi Ystad
author_sort Laurent Bergerot
collection DOAJ
description This paper presents an online application—called <i>3D integrator</i>—enabling visual cross-examinations of architectural and acoustic data on web browsers and explains the rationale behind its development. The tool consists of a series of overlays developed over the <i>Potree</i> 3D point cloud renderer. It is used to display visually, in an interactive environment, the 3D point clouds resulting from a survey protocol tailored to the specific needs of the corpus under scrutiny—15 small-scale edifices often referred to as “minor heritage assets”—and to the research’s overall ambition, reasoning on architectural and acoustic features at an interdisciplinary level. One of the tool’s distinctive features is to project abstract information (acoustic descriptors) in a “close to real” 3D space (point clouds), hence merging scientific visualisation and information visualisation practices. The paper first shortly sums up the particularities of the survey protocol and discusses the implementation of the analytical add-ons that have been introduced (visual trace of the survey protocol itself, volume calculation, and exploratory 3D representation of acoustic descriptors). It then focuses on use cases that illustrate what the approach helps to observe concerning the interiors of edifices when capturing and co-examining dimensional and acoustic features.
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spelling doaj.art-2d8e528afa9b48a497c5bdc84197bacc2023-11-24T15:14:02ZengMDPI AGHeritage2571-94082022-12-01543819384510.3390/heritage5040197Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary ChallengeLaurent Bergerot0Jean-Yves Blaise1Iwona Dudek2Anthony Pamart3Mitsuko Aramaki4Simon Fargeot5Richard Kronland-Martinet6Adrien Vidal7Sølvi Ystad8UMR CNRS/MC 3495 MAP, 31, Chemin Joseph Aiguier, 13402 Marseille, FranceUMR CNRS/MC 3495 MAP, 31, Chemin Joseph Aiguier, 13402 Marseille, FranceUMR CNRS/MC 3495 MAP, 31, Chemin Joseph Aiguier, 13402 Marseille, FranceUMR CNRS/MC 3495 MAP, 31, Chemin Joseph Aiguier, 13402 Marseille, FrancePRISM Laboratory, UMR Aix Marseille University/CNRS/MC 7061 PRISM, 31, Chemin Joseph Aiguier, 13402 Marseille, FrancePRISM Laboratory, UMR Aix Marseille University/CNRS/MC 7061 PRISM, 31, Chemin Joseph Aiguier, 13402 Marseille, FrancePRISM Laboratory, UMR Aix Marseille University/CNRS/MC 7061 PRISM, 31, Chemin Joseph Aiguier, 13402 Marseille, FrancePRISM Laboratory, UMR Aix Marseille University/CNRS/MC 7061 PRISM, 31, Chemin Joseph Aiguier, 13402 Marseille, FrancePRISM Laboratory, UMR Aix Marseille University/CNRS/MC 7061 PRISM, 31, Chemin Joseph Aiguier, 13402 Marseille, FranceThis paper presents an online application—called <i>3D integrator</i>—enabling visual cross-examinations of architectural and acoustic data on web browsers and explains the rationale behind its development. The tool consists of a series of overlays developed over the <i>Potree</i> 3D point cloud renderer. It is used to display visually, in an interactive environment, the 3D point clouds resulting from a survey protocol tailored to the specific needs of the corpus under scrutiny—15 small-scale edifices often referred to as “minor heritage assets”—and to the research’s overall ambition, reasoning on architectural and acoustic features at an interdisciplinary level. One of the tool’s distinctive features is to project abstract information (acoustic descriptors) in a “close to real” 3D space (point clouds), hence merging scientific visualisation and information visualisation practices. The paper first shortly sums up the particularities of the survey protocol and discusses the implementation of the analytical add-ons that have been introduced (visual trace of the survey protocol itself, volume calculation, and exploratory 3D representation of acoustic descriptors). It then focuses on use cases that illustrate what the approach helps to observe concerning the interiors of edifices when capturing and co-examining dimensional and acoustic features.https://www.mdpi.com/2571-9408/5/4/197information visualisationvisual metaphors3D acoustic descriptors3D point cloud viewerspatial sound analysissmall-scale architecture
spellingShingle Laurent Bergerot
Jean-Yves Blaise
Iwona Dudek
Anthony Pamart
Mitsuko Aramaki
Simon Fargeot
Richard Kronland-Martinet
Adrien Vidal
Sølvi Ystad
Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
Heritage
information visualisation
visual metaphors
3D acoustic descriptors
3D point cloud viewer
spatial sound analysis
small-scale architecture
title Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
title_full Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
title_fullStr Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
title_full_unstemmed Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
title_short Combined Web-Based Visualisation of 3D Point Clouds and Acoustic Descriptors: An Interdisciplinary Challenge
title_sort combined web based visualisation of 3d point clouds and acoustic descriptors an interdisciplinary challenge
topic information visualisation
visual metaphors
3D acoustic descriptors
3D point cloud viewer
spatial sound analysis
small-scale architecture
url https://www.mdpi.com/2571-9408/5/4/197
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