Multilevel data simplification methods for flood process visualizations based on visual perceptions
ABSTRACTVisualizations of flood processes require a balance between scientific authenticity and realistic expressions. As the flood area increases, the amounts of time-series data that are produced by flood models often exceed the capacity of computer rendering, leading to poor user experiences and...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2024-12-01
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| Series: | International Journal of Digital Earth |
| Subjects: | |
| Online Access: | https://www.tandfonline.com/doi/10.1080/17538947.2024.2323180 |
| _version_ | 1827308683457986560 |
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| author | Yi Li Zhiguo Gao Dongchuan Wang Jun Sun Guoyong Zhang Jianhua Gong |
| author_facet | Yi Li Zhiguo Gao Dongchuan Wang Jun Sun Guoyong Zhang Jianhua Gong |
| author_sort | Yi Li |
| collection | DOAJ |
| description | ABSTRACTVisualizations of flood processes require a balance between scientific authenticity and realistic expressions. As the flood area increases, the amounts of time-series data that are produced by flood models often exceed the capacity of computer rendering, leading to poor user experiences and low visualization effectiveness. Therefore, this study carried out visual perception experiments and proposed a multilevel simplification and scheduling method for flood process data based on visual perceptions. This method first simplifies flood data by flood feature point selection according to conclusions related to visual perception, then triangulated irregular networks are built, and finally, flood data scheduling and rendering are achieved through multiple levels of detail combined with visual ranges. An experimental analysis using a 3D visualization prototype system shows that the proposed method can improve the efficiency of visual expressions while preserving flood morphology features. |
| first_indexed | 2024-04-24T19:14:08Z |
| format | Article |
| id | doaj.art-74fd8d072151459fbf5291f1a74ff8af |
| institution | Directory Open Access Journal |
| issn | 1753-8947 1753-8955 |
| language | English |
| last_indexed | 2024-04-24T19:14:08Z |
| publishDate | 2024-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | International Journal of Digital Earth |
| spelling | doaj.art-74fd8d072151459fbf5291f1a74ff8af2024-03-26T08:12:11ZengTaylor & Francis GroupInternational Journal of Digital Earth1753-89471753-89552024-12-0117110.1080/17538947.2024.2323180Multilevel data simplification methods for flood process visualizations based on visual perceptionsYi Li0Zhiguo Gao1Dongchuan Wang2Jun Sun3Guoyong Zhang4Jianhua Gong5Chinese Academy of Sciences, National Engineering Research Center for Geoinformatics, Aerospace Information Research Institute, Beijing, People’s Republic of ChinaCollege of Geology and Geomatics, Tianjin Chengjian University, Tianjin, People’s Republic of ChinaCollege of Geology and Geomatics, Tianjin Chengjian University, Tianjin, People’s Republic of ChinaChinese Academy of Sciences, National Engineering Research Center for Geoinformatics, Aerospace Information Research Institute, Beijing, People’s Republic of ChinaChinese Academy of Sciences, National Engineering Research Center for Geoinformatics, Aerospace Information Research Institute, Beijing, People’s Republic of ChinaChinese Academy of Sciences, National Engineering Research Center for Geoinformatics, Aerospace Information Research Institute, Beijing, People’s Republic of ChinaABSTRACTVisualizations of flood processes require a balance between scientific authenticity and realistic expressions. As the flood area increases, the amounts of time-series data that are produced by flood models often exceed the capacity of computer rendering, leading to poor user experiences and low visualization effectiveness. Therefore, this study carried out visual perception experiments and proposed a multilevel simplification and scheduling method for flood process data based on visual perceptions. This method first simplifies flood data by flood feature point selection according to conclusions related to visual perception, then triangulated irregular networks are built, and finally, flood data scheduling and rendering are achieved through multiple levels of detail combined with visual ranges. An experimental analysis using a 3D visualization prototype system shows that the proposed method can improve the efficiency of visual expressions while preserving flood morphology features.https://www.tandfonline.com/doi/10.1080/17538947.2024.2323180Flood process visualizationdata simplificationvisual perception |
| spellingShingle | Yi Li Zhiguo Gao Dongchuan Wang Jun Sun Guoyong Zhang Jianhua Gong Multilevel data simplification methods for flood process visualizations based on visual perceptions International Journal of Digital Earth Flood process visualization data simplification visual perception |
| title | Multilevel data simplification methods for flood process visualizations based on visual perceptions |
| title_full | Multilevel data simplification methods for flood process visualizations based on visual perceptions |
| title_fullStr | Multilevel data simplification methods for flood process visualizations based on visual perceptions |
| title_full_unstemmed | Multilevel data simplification methods for flood process visualizations based on visual perceptions |
| title_short | Multilevel data simplification methods for flood process visualizations based on visual perceptions |
| title_sort | multilevel data simplification methods for flood process visualizations based on visual perceptions |
| topic | Flood process visualization data simplification visual perception |
| url | https://www.tandfonline.com/doi/10.1080/17538947.2024.2323180 |
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