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| 矢量空间数据渐进传输研究进展 | |
| 引用本文： | 温永宁,闾国年,陈旻.矢量空间数据渐进传输研究进展[J].地理与地理信息科学,2011,27(6):6-12,40. |
| 作者姓名： | 温永宁 闾国年 陈旻 |
| 作者单位： | 1. 南京师范大学虚拟地理环境教育部重点实验室,江苏南京210046;苏州工业园区测绘有限公司,江苏苏州215021 2. 南京师范大学虚拟地理环境教育部重点实验室,江苏南京,210046 3. 香港中文大学太空与地球信息科学研究所,香港沙田 |
| 基金项目： | 国家“863”重点课题子课题项目“基于广域网的虚拟月球环境构建研究”(2010AA122202); 国家自然科学基金项目“像素无损的矢量地理数据高效传输机制研究”(41001223); 江苏高校优势学科建设工程资助项目 |
| 摘 要： | 渐进传输被认为是解决目前海量空间数据传输与实时用户体验之间矛盾的有效方法。栅格数据渐进传输的相关研究比较成熟,但矢量数据的渐进传输理论和技术还存在问题。为了推进矢量数据渐进传输的相关研究,该文对与矢量数据渐进传输密切相关的二维矢量数据、三维表面模型两种数据的多分辨率表达和渐进传输的研究现状进行归纳与总结,指出相关研究的发展方向,为海量空间数据适用于分布式网络传输提供参考依据。 |
| 关 键 词： | 空间数据 矢量数据 渐进传输 |
An Overview on Progressive Transmission of Vector Spatial Data |
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| WEN Yong-ning,LV Guo-nian,CHEN Min.An Overview on Progressive Transmission of Vector Spatial Data[J].Geography and Geo-Information Science,2011,27(6):6-12,40. | |
| Authors: | WEN Yong-ning LV Guo-nian CHEN Min |
| Institution: | WEN Yong-ning1,2,LV Guo-nian1,CHEN Min3(1.Key Laboratory of Virtual Geographic Environment(Ministry of Education),Nanjing Normal University,Nanjing 210046,2.Suzhou Industrial Park Survey CO.LTD,Suzhou 215021,3.Institute of Space and Earth Information Science,The Chinese University of Hong Kong,Shatin H.K.,China) |
| Abstract: | The progressive transmission strategy is considered to be an effective way to balance contradiction between scheduling the massive spatial data and the real time user experience.Research on the progressive transmission of raster data is fairly sophisticated and mature,while various problems of the theory and technology of vector data′s progressive transmission are still required to be tackled.Aiming at promoting the research of vector data′s progressive transmission,and providing references for research of the distributed network transmission of massive spatial data,this paper focuses on leveraging and summarizing the complementary past and ongoing research of the multi-resolution expression and the progressive transmission of 2D vector data and 3D surface model data which is closely related to the progressive transmission of vector data. |
| Keywords: | spatial data vector data progressive transmission |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |