Spatial buffer analysis

In this paper we use two important methods of the spatial analysis, the buffer analysis and the overlay analysis. We get the correct area by adding the resident data to the road data.

方法中主要运用了缓冲区分析和叠置分析，通过把居民地层数据叠置到道路层数据进行联合分析，为道路网的自动选取构建出了正确的空间拓扑关系。

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In normal application of a GIS buffer zone analysis, we always need to pick an object in that specific spatial area.

在一般GIS环域分析的应用中，成果在于如何利用环域成果进行空间上的选取操作。

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With its strong spatial analysis functions of space overlapping and buffer area analysis, GIS provides a great help in the site selection for mine tailings reservoir.

GIS的空间叠加、缓冲区分析等强大空间分析功能，为矿山尾矿库地址的选择提供了帮助。

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This paper studies on the overlap analysis, buffer analysis and spatial statistical analysis methods to analyze the spatial distribution features, spatial distribution change and region relativity.

在空间分析方法上，本文采用了叠加分析、缓冲区分析、空间统计分析等方法，对耕地供给变化的空间分布特征及空间分布变化趋势以及区域相关性进行分析。

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Spatial Buffer Analysis Development Based on Visual C#. NET

基于Visual c.NET的空间缓冲区分析开发

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The spatial analysis, including topological analysis, overlay analysis, buffer analysis and so on, is achieved.

实现了图形对象的拓扑分析、叠置分析和缓冲区分析等空间分析功能。

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The combination of these two methods, which can the use to the full of the GIS overlay analysis and buffer analysis, spatial analysis function and the ability to deal with attribute data, can effectively and objectively reflect the real extent of the quality of arable land.

这两种方法的结合，充分运用了GIS的叠置分析和缓冲分析等空间分析功能和处理属性数据的能力，能有效、客观的反映耕地质量的实际程度。

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To analysis spatial data including geometric superposition and buffer zone;

提供空间分析功能，主要提供几何图形叠加分析、缓冲区分析；

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Considering most GIS buffer analysis is data intensive computing, the task was decomposed according to the map layer and geographic spatial area.

考虑到大多数地理信息系统中缓冲区分析数据的特点，提出了基于图层和地理空间区域的任务分解方法。

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