intelligible 发表于 2025-3-25 06:34:44
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Cristage: A 3D GIS with A Logical Crystallographic Layer To Enable Complex Analysesct is abstracted by one or several crystals and is embedded in a 3D mesh. Mesh adjacencies are stored in this level. These adjacencies are purely topological: they correspond to adjacencies between the real geographical features, and not necessarily between their geometrical representations. An adjaMonolithic 发表于 2025-3-25 14:06:05
http://reply.papertrans.cn/47/4671/467025/467025_23.pngprediabetes 发表于 2025-3-25 17:50:14
3D Geometries in Spatial DBMSthey have involved to a spatial DBMS providing spatial data types, spatial indexing and extended spatial functionality. Mainstream DBMS support mostly a geometry model but the first natively supported topology model is already a fact. Although the provided functionality is limited to the second dimeIrrigate 发表于 2025-3-25 21:25:40
A Web 3D Service for Navigation Applicationsitute for Computer Graphics is actively involved into the development of a Web3D Service and has implemented extensions to this service proposal. Having a look at these extensions we will describe the motivation, the implementation, and the application in different areas, especially navigation systeDirected 发表于 2025-3-26 04:08:06
Integration of Photogrammetric and LIDAR Data in a Multi-Primitive Triangulation Environmentr example, the continuous development of digital imaging systems has lead to the steady adoption of digital frame and line cameras in mapping activities. Moreover, the availability of GPS/INS systems facilitated the direct geo-referencing of the acquired imagery. Still, photogrammetric datasets take单色 发表于 2025-3-26 04:23:51
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3D Integral Modeling for City Surface & Subsurfaceal information, 3D city spatial data have the characteristics of multi-object, heterogeneity and multi-structure. It could be classified referring to the geo-surface into three kinds: above-surface data, surface data and subsurface data. The current research on 3D city spatial information system is