Journal of Geo-information Science >
An Exploratory Study on Ubiquitous Representation of Spatial-temporal Reference Framework
Received date: 2017-04-30
Request revised date: 2017-08-25
Online published: 2017-10-09
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Along with the increasing expansion of GIS in diverse application fields, spatial information systems face a variety of challenges, such as full-scale, full-category and full dynamics. Pan-spatial information system is an effective way to deal with the challenges mentioned above, in which spatial-temporal reference framework (STRF) is the core for the quantitative representation for human’s view of time and space. When handling objects of study with different scales and in different domains, the STRF in pan-spatial information system has various difficulties including descriptive scale, datum transformation, as well as integration of space and time. Thus, there is a huge demand for the development of a generic and unitary approach for the description and transformation of STRF. Through comparison and analysis on current STRFs in 1-, 2-, 3- or even higher dimensions, a new ubiq-uitous STRF is put forward in this study. In fact, the proposed ubiquitous representation of STRS in pan-space is applicable to the corresponding mathematical quantitative description and the related representa-tion of semantic vagueness. Thus, it provides reference for spatial-temporal representation in a broad sense. Meanwhile, based on fractal dimension characteristics extensively available in the real world and the proposed ubiquitous representation method, a unitary representation of STRF is investigated by making use of recursive computation. A full-scale and full-dimensional transformation of STRF is then realized in the pan-space.
CHEN Xiangcong , ZHANG Shuqing , DING Xiaohui , WEI Yansheng , LI Huapeng . An Exploratory Study on Ubiquitous Representation of Spatial-temporal Reference Framework[J]. Journal of Geo-information Science, 2017 , 19(9) : 1201 -1207 . DOI: 10.3724/SP.J.1047.2017.01201
Fig. 1 Coordinate axis图1 坐标轴 |
Fig. 2 Plane rectangular coordinate system图2 平面直角坐标系 |
Fig. 3 Right-handed Descartes coordinate system图3 右手正交坐标系 |
The authors have declared that no competing interests exist.
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