[1]吕智涵,钟晨,冯良炳,等.用于普适WebGIS多尺度覆盖景观地图的高速索引[J].深圳大学学报理工版,2013,30(No.5(441-550)):480-485.[doi:10.3724/SP.J.1249.2013.05480]
 Lyu Zhihan,Zhong Chen,Feng Liangbing,et al.A high-speed index for the multi-scale overlay landscape map on ubiquitous WebGIS[J].Journal of Shenzhen University Science and Engineering,2013,30(No.5(441-550)):480-485.[doi:10.3724/SP.J.1249.2013.05480]
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用于普适WebGIS多尺度覆盖景观地图的高速索引()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.5(441-550)
页码:
480-485
栏目:
电子与信息科学
出版日期:
2013-09-02

文章信息/Info

Title:
A high-speed index for the multi-scale overlay landscape map on ubiquitous WebGIS
文章编号:
20130507
作者:
吕智涵12钟晨3冯良炳1陈前1冯圣中1
1)中国科学院深圳先进技术研究院,深圳 518055
2)瑞典于默奥大学应用物理与电子系,于默奥 90187,瑞典
3)苏黎世联邦理工大学与新加坡未来城市实验室,新加坡 117566,新加坡
Author(s):
Lyu Zhihan12 Zhong Chen3 Feng Liangbing1 Chen Qian1 and Feng Shengzhong1
1)Shenzhen Institutes of Advanced Technology, Chinese Academy of Science, Shenzhen 518055, P.R.China
2)Department of Applied Physics and Electronics, Umea University, Umea 90187, Sweden
3)Future Cities Laboratory Singapore, ETH Zürich 117566, Singapore
关键词:
空间索引景观地图虚拟现实技术WebGIS3维大数据云计算多层叠加区域四叉数算法
Keywords:
spatial index landscape map virtual reality WebGIS three-dimension Big Data cloud computing multi-layer overlay region Quadtree algorithm
分类号:
TP 37
DOI:
10.3724/SP.J.1249.2013.05480
文献标志码:
A
摘要:
为解决当前数据结构无法支持普适WebGIS多尺寸覆盖景观地图高速数据表达问题,研究一种高速数据索引结构.分析生成高速索引的必要性,阐述索引结构数据生成算法,讨论支持管理景观地图数据的可能性.以本索引结构实现的对比试验进行评估.结果显示,该索引结构具备对基于金字塔分割规则的区域分割四叉树变形获取主树结构,子树结构支持景观地图数据叠加,以树的深度反应空间分辨率改变,所有树节点时空间对象的容器等特性,可有效表达WebGIS中海量景观地图数据.该结果已用于WebGIS中城市景观地图及手机上的校园景观地图.
Abstract:
A high-speed data structure is researched to solve the problem that existing data structure can not support the multi-scale representation of landscape map data on ubiquitous WebGIS. The necessity of the index is analyzed, the algorithm presented, the possibility of supporting landscape map disscussed. In this index, the main tree is obtained from the deformation of the index structure of region quadtree partitioned on the basis of the rule of pyramid structure; a sub-tree structure supports the overlap of landscape map data. The index reflects the changes in spatial resolution according to the depth of the tree. All the nodes of the tree are containers of spatial object. For evaluation, comparative experiments are implemented using our index structure, the result shows that this index method can represent massive landscape map data effectively in WebGIS. The structure has been used in city landscape map on WebGIS and in campus landscape map on mobile phone.

参考文献/References:

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备注/Memo

备注/Memo:
Received:2013-03-26;Accepted:2013-07-23
Foundation:National Natural Science Foundation of China (61070147); Shenzhen Scientific & Research Development Foundation (JC201105190951A)
Corresponding author:Professor Feng Shengzhong. E-mail: sz.feng@siat.ac.cn
Citation:Lyu Zhihan, Zhong Chen, Feng Liangbing, et al. A high-speed index for the multi-scale overlay landscape map on ubiquitous WebGIS[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(5): 480-485.
基金项目:国家自然科学基金资助项目(61070147);深圳市发改委基础研究资助项目(JC201005270331A)
作者简介:吕智涵(1984-),男(汉族),山东省青岛市人,中国科学院深圳先进技术研究院助理研究员. E-mail: lvzhihan@gmail.com
引文:吕智涵,钟 晨,冯良炳,等. 用于普适WebGIS多尺度覆盖景观地图的高速索引[J]. 深圳大学学报理工版,2013,30(5):480-485.(英文版)
更新日期/Last Update: 2013-09-02