A research on systematizing a common LoD system over multiple 3D description systems for urban and built environment
While it is foreseen that various types of autonomous agents will coexist with us on a daily basis, it is difficult to say that the development and systematization of a digital twin environment that these agents can rely on in a general-purpose manner has progressed sufficiently at present. In this...
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| Published in | SEISAN KENKYU Vol. 75; no. 3; pp. 253 - 258 |
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| Main Authors | , |
| Format | Journal Article |
| Language | Japanese |
| Published |
Institute of Industrial Science The University of Tokyo
01.08.2023
東京大学生産技術研究所 |
| Online Access | Get full text |
| ISSN | 0037-105X 1881-2058 |
| DOI | 10.11188/seisankenkyu.75.253 |
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| Abstract | While it is foreseen that various types of autonomous agents will coexist with us on a daily basis, it is difficult to say that the development and systematization of a digital twin environment that these agents can rely on in a general-purpose manner has progressed sufficiently at present. In this study, based on the current situation where different spatial description specifications are used separately in different industrial domains, we investigate the current status and summarize the issues and possibilities for the future with a view to systematizing and implementing LoD (Level of Detail / Development) across multiple spatial description specifications. Then, we presented a frame that enables the coordination and conversion of LoDs between different specifications. |
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| AbstractList | While it is foreseen that various types of autonomous agents will coexist with us on a daily basis, it is difficult to say that the development and systematization of a digital twin environment that these agents can rely on in a general-purpose manner has progressed sufficiently at present. In this study, based on the current situation where different spatial description specifications are used separately in different industrial domains, we investigate the current status and summarize the issues and possibilities for the future with a view to systematizing and implementing LoD (Level of Detail / Development) across multiple spatial description specifications. Then, we presented a frame that enables the coordination and conversion of LoDs between different specifications. While it is foreseen that various types of autonomous agents will coexist with us on a daily basis, it is difficult to say that the development and systematization of a digital twin environment that these agents can rely on in a general-purpose manner has progressed sufficiently at present. In this study, based on the current situation where different spatial description specifications are used separately in different industrial domains, we investigate the current status and summarize the issues and possibilities for the future with a view to systematizing and implementing LoD (Level of Detail / Development) across multiple spatial description specifications. Then, we presented a frame that enables the coordination and conversion of LoDs between different specifications. 昨今，都市空間のデジタル記述に関する研究開発が多方面で進んでいるが，各種自律的なエージェントが我々人と日常的に共存する社会の到来が予見されている中, それらが汎用に依拠できるようなデジタルツイン環境の整備および体系化は，現状で十分に進んでいるとは言い難い．本研究では, 産業ドメインごとに異なる空間記述仕様が個別に使われている現状を踏まえつつ,「複数の空間記述仕様にまたがるオブジェクト記述詳細度（LoD）」の体系化および実装を念頭に, 現状の調査および今後への課題と可能性に関する要点を整理し，異なる仕様間でのLoD の連携と変換を可能にするフレームを提示する. |
| Author | TOYODA, Keisuke MIYATAKE, Sotaro |
| Author_FL | 宮武 壮太郎 豊田 啓介 |
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| Copyright | 2023 Institute of Industrial Science The University of Tokyo |
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| DocumentTitleAlternate | 複数の空間記述仕様にまたがるオブジェクト記述詳細度（LoD） 体系化に関する試論 |
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| References | 3) David Luebke他6名, : Level of Detail for 3D Graphics, Morgan Kaufmann (2003 13) 伊藤久晴他2名: Autodesk Revit公式トレーニングガイド 第2版 上, 日経BP (2021 5) 平野陽他2名: 日本におけるBIM活用プロジェクトでのLevel of Development (LOD)策定の実態, 日本建築学会技術報告集, 24, 56(2018), p.333-338 7) Unity: Unity ユーザーマニュアル 2021.3 (LTS 11) Unreal Engine: HLOD (Hierarchical Level of Detail) の概, https://docs.unrealengine.com/4.26/ja/BuildingWorlds/HLOD/Overview/ (最終閲覧2023.2.15 6) OGC: OGC City Geography Markup Language (CityGML) Part 1: Conceptual Model Standard (2021 2) 三宅 陽一郎: デジタルゲームAI技術を応用したスマートシティの設計, 人工知能, 37, 4(2022), p. 436-445 8) https://docs.unity3d.com/Manual/LevelOfDetail.html (最終閲覧2023.2.15 10) Carl Erikson他2名: HLODs for faster display of large static and dynamic environments, Proceedings of the 2001 symposium on Interactive 3D graphics(2001), p.11-120 12) Filip Biljecki: Formalisation of the level of detail in 3D city modelling, Computers, Environment and Urban Systems, 48 (2014), p.1-15 1) 豊田啓介: 建築都市空間デジタル記述のためのコモングランド構想について, 生産研究, 74, 1(2022), pp139-142 9) El-Mekawy他2名: Towards Interoperating CityGML and IFC Building Models, Advances in 3D Geo-Information Sciences (2010), p.73-93 4) BIMForum, Level of Development Specification (Version:2021 |
| References_xml | – reference: 1) 豊田啓介: 建築都市空間デジタル記述のためのコモングランド構想について, 生産研究, 74, 1(2022), pp139-142 – reference: 2) 三宅 陽一郎: デジタルゲームAI技術を応用したスマートシティの設計, 人工知能, 37, 4(2022), p. 436-445 – reference: 6) OGC: OGC City Geography Markup Language (CityGML) Part 1: Conceptual Model Standard (2021) – reference: 7) Unity: Unity ユーザーマニュアル 2021.3 (LTS) – reference: 8) https://docs.unity3d.com/Manual/LevelOfDetail.html (最終閲覧2023.2.15) – reference: 4) BIMForum, Level of Development Specification (Version:2021) – reference: 3) David Luebke他6名, : Level of Detail for 3D Graphics, Morgan Kaufmann (2003) – reference: 5) 平野陽他2名: 日本におけるBIM活用プロジェクトでのLevel of Development (LOD)策定の実態, 日本建築学会技術報告集, 24, 56(2018), p.333-338 – reference: 9) El-Mekawy他2名: Towards Interoperating CityGML and IFC Building Models, Advances in 3D Geo-Information Sciences (2010), p.73-93 – reference: 12) Filip Biljecki: Formalisation of the level of detail in 3D city modelling, Computers, Environment and Urban Systems, 48 (2014), p.1-15 – reference: 11) Unreal Engine: HLOD (Hierarchical Level of Detail) の概, https://docs.unrealengine.com/4.26/ja/BuildingWorlds/HLOD/Overview/ (最終閲覧2023.2.15 ) – reference: 10) Carl Erikson他2名: HLODs for faster display of large static and dynamic environments, Proceedings of the 2001 symposium on Interactive 3D graphics(2001), p.11-120 – reference: 13) 伊藤久晴他2名: Autodesk Revit公式トレーニングガイド 第2版 上, 日経BP (2021) |
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| Title | A research on systematizing a common LoD system over multiple 3D description systems for urban and built environment |
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