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。
Considering most GIS buffer analysis is data intensive computing, the task was decomposed according to the map layer and geographic spatial area.
产生的缓冲区域并不是以缓冲区域本身来分析，而是被建立的新多边形被用来作为分析之用。
The creation of a buffer zone is not in itself an analysis, but the new polygons that are created can be used in analysis.
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