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2023 Fiscal Year Final Research Report

Development of Visualization framework and AR Application on Unity with point data reduction technique

Research Project

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Project/Area Number 21K11916
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 60090:High performance computing-related
Research InstitutionTokyo City University

Principal Investigator

MIYACHI HIDEO  東京都市大学, メディア情報学部, 教授 (00501727)

Co-Investigator(Kenkyū-buntansha) 樫山 和男  中央大学, 理工学部, 教授 (10194721)
川原 慎太郎  国立研究開発法人海洋研究開発機構, 付加価値情報創生部門(情報エンジニアリングプログラム), 副主任研究員 (60415982)
Project Period (FY) 2021-04-01 – 2024-03-31
Keywords可視化 / フレームワーク / 大規模可視化 / フリーソフトウエア
Outline of Final Research Achievements

The visualization mapping method we proposed was implemented on a visualization framework running on Unity: VisAssets, and released as free software. We added an unstructured visualization functions to increase versatility, VR/AR visualization functions, and information visualization functions. The implementation of the unstructured data was verified using disaster data of tetrahedral elements, and the VR/AR visualization was verified using time series data of Osaka Bay to observe how tidal currents change according to the tidal cycle, while immersing oneself in the data and manipulating parameters. The Heian-kyo view was implemented as an example of information visualization. Benchmarking confirmed that the proposed method is slower than the conventional method for small-scale data due to overhead, but faster for data exceeding 100 million points, along to the theory.

Free Research Field

情報科学

Academic Significance and Societal Importance of the Research Achievements

スーパーコンピュータを用いる大規模シミュレーションの可視化では、数値データをディスクに出力せず、可視化した画像をディスクに出力するin-Situ可視化が使われる。このとき大量の可視化画像生成処理を生じるので、提案手法はその処理を高速にする。したがって、学術的には最先端シミュレーションの分析処理の高速化に貢献する。社会的には、開発コードをフリーで公開しており、既に企業での利用例がある。

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Published: 2025-01-30  

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