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In this article it is shown that the Land Law Enforcement and Supervision Management System of Chengdu has been established based on the mode of platform thought and the strategy of “centralized management and distributed application". It is realized via integrating the mobile GIS technology, CDMA wireless communication, network real-time differential positioning service, the workflow platform...
In the network application environment of ArcGIS, the spatial data and rendering data of map elements are stored separately. Spatial data is stored in the geographic spatial database, while rendering data is stored in file format. So, when displaying the same ArcGIS spatial data to the multi-clients, there will be problem of rendering inconsistency on spatial data. Through the analysis on rendering...
Landscape spatial patterns have profound implications for the functions of ecosystem. Remote sensing is an important tool for monitoring and managing structural changes of protected areas. Based on landscape ecological principles, the paper presents a case study on landscape pattern with the application of satellite remote sensing and GIS data, using dynamic analysis method. Such indices as the patch...
Kangding County is the important gateway to Tibet Autonomous Region, China. Recently, Kangding County, relying on its water, minerals, tourism, ecology and other advantages of resources, has developed economy, which impact on the ecological environment more apparently. In this paper, we used two LANDSAT TM and ETM data sets and some other vetor data to quantitatively estimate changes in the size of...
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