土地调查成果缩编中小图斑的综合问题

Discussion on Small Polygon Synthesis Problems in Generalization of Land Survey Results

第二次土地调查成果缩编是以经国家验收合格的县级土地利用数据库为基础,以多种GIS软件为工具,通过人机交互在全国范围内建立规范的各级系列比例尺的土地利用数据,并建成相应系列的数据库。小图斑综合在缩编过程占据了很大一部分工作量,本文以江西省鄱阳县1∶10万土地利用数据缩编为例就当前小图斑综合过程中所涉及到的一些问题进行探讨,提出解决办法与注意事项。

Small polygon synthesis occupies a large part of workload in the result generalization of the second land survey,which is land usage data at all levels of series scale established normally by human-computer interaction within national range.Taking 1∶10million land usage data generalization of Poyang county,Jiangxi province for instance,the paper probes into some issues involved in current small polygon synthesis,and proposed solutions and points for attention as well.