Virtual Scene Construction of Wetlands: A Case Study of Poyang Lake, China

Shen, Lu; Fang, Chaoyang; Xiao, Xinli

doi:10.3390/ijgi12020049

Cited by 11 publications

(3 citation statements)

References 38 publications

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“…To integrate the construction of a simulated wetland virtual scene, a combination of multiple sources of data and multiple techniques were used to obtain diverse wetland landscape features, as shown in Figure 6. The terrain of some landscape locations was finely modeled, and 12 common wetland surface textures were rendered into 3D terrain according to the Blended Texture Real Fit rule to increase the realism of a virtual scene [39]. The 3D modeling techniques were used to construct a wetland vegetation model and a building model, as well as to simulate the wind effects on the vegetation.…”

Section: Msve Constructionmentioning

confidence: 99%

Study on Multiscale Virtual Environment Construction and Spatial Navigation Based on Hierarchical Structure

Chen,

Li,

et al. 2024

IJGI

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Multiscale virtual environments (MSVEs) allow the integration of elements and environments at different scale levels into a unified space, which facilitates researchers’ perception, understanding, and experimental research of complex geospatial spaces. Although there have been several methods for achieving multiscale effects in virtual environments (VEs), they cannot assist users in constructing more complete spatial cognitive maps and presenting multiscale information efficiently. This study proposes a hierarchical-structure-based MSVE construction method, which can effectively integrate multiscale information and ensure that the richness of details of information is gradually enhanced with the progression of the hierarchical structure. In addition, a spatial navigation study is conducted, considering the relationship between users’ perspective changes and spatial cognition, and the effects of users’ perspective changes on their spatial cognition in an MSVE are explored. A multiscale virtual wetland environment covering four levels is constructed to conduct a case study of a virtual environment of a wetland of Poyang Lake. The research results show that the proposed method is feasible. Moreover, the spatial navigation based on the change in the hierarchical perspective is in line with the spatial cognitive habits of users, which can satisfy the cognitive needs of users from the macro-region to specific wetland landscapes.

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Section: Msve Constructionmentioning

confidence: 99%

Study on Multiscale Virtual Environment Construction and Spatial Navigation Based on Hierarchical Structure

Chen,

Li,

et al. 2024

IJGI

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“…Digital twin technology is an effective way to achieve the information management of mountain roads [6][7][8][9][10]. Digital twin technology is the mapping of the properties, structure, state, performance and behaviour of real physical entities to the virtual world [11][12][13][14][15][16][17][18]. Digital twin technology also seeks to create a realistic virtual scene of mountain highways with high fidelity and interconnection of all elements, realise the accurate representation of highway operation status and rapid response to road condition information, and better support the information management decision of mountain highways [19][20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

A Knowledge-Guided Fusion Visualisation Method of Digital Twin Scenes for Mountain Highways

Tang,

Zhu,

Ren

et al. 2023

IJGI

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Informatization is an important trend in the field of mountain highway management, and the digital twin is an effective way to promote mountain highway information management due to the complex and diverse terrain of mountainous areas, the high complexity of mountainous road scene modeling and low visualisation efficiency. It is challenging to construct the digital twin scenarios efficiently for mountain highways. To solve this problem, this article proposes a knowledge-guided fusion expression method for digital twin scenes of mountain highways. First, we explore the expression features and interrelationships of mountain highway scenes to establish the knowledge graph of mountain highway scenes. Second, by utilizing scene knowledge to construct spatial semantic constraint rules, we achieve efficient fusion modeling of basic geographic scenes and dynamic and static ancillary facilities, thereby reducing the complexity of scene modeling. Finally, a multi-level visualisation publishing scheme is established to improve the efficiency of scene visualisation. On this basis, a prototype system is developed, and case experimental analysis is conducted to validate the research. The results of the experiment indicate that the suggested method can accomplish the fusion modelling of mountain highway scenes through knowledge guidance and semantic constraints. Moreover, the construction time for the model fusion is less than 5.7 ms; meanwhile, the dynamic drawing efficiency of the scene is maintained above 60 FPS. Thus, the construction of twinned scenes can be achieved quickly and efficiently, the effect of replicating reality with virtuality is accomplished, and the informatisation management capacity of mountain highways is enhanced.

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“…Yiting Wang et al 5 used random forest or multiple linear regression emulation system for realistic three-dimensional forest simulation based on Google Earth Engine. Lu Sheng et al 6 The complexity and difficulty of virtual forest scene synthesis are determined by the high complexity and multi-scale characteristics of forest ecosystem, as well as the diversity of plant individual, population and community structure. The traditional software and hardware synthesis methods have some limitations, which can not meet the dynamic and personalized forest scene.…”

Section: Introductionmentioning

confidence: 99%

Design and implementation for virtual forest scene synthesis-editing system

Wang,

Li,

Liu

et al. 2023

3rd International Conference on Internet of Things and Smart City (IoTSC 2023）

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Making use of the OpenGL graphics standards and technology of Virtual Reality, facing the demand of the forest management users, this paper described the principle and method for forest scene synthesis technology and put forward the design mentality of a virtual forest scene system. The virtual forest scene synthesis-editing system was developed with open source skeleton animation engine Cal3D, parametric tree modeling, quadtree technology, which was an integration of two and three dimension forest landscape simulation. The system provided many functions such as forest asset statistics, query and analysis, three dimention scene immersion roaming, entity model editing, garden planning and design and so on. At last, this synthesis-editing system was applied to construct complex sika deer habitat forest landscape, combined with multi-elements (digital terrain, animal behavior, tree, dwarf grass, etc.) modeling and rendering.

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Virtual Scene Construction of Wetlands: A Case Study of Poyang Lake, China

Cited by 11 publications

References 38 publications

Study on Multiscale Virtual Environment Construction and Spatial Navigation Based on Hierarchical Structure

Study on Multiscale Virtual Environment Construction and Spatial Navigation Based on Hierarchical Structure

A Knowledge-Guided Fusion Visualisation Method of Digital Twin Scenes for Mountain Highways

Design and implementation for virtual forest scene synthesis-editing system

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