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中文摘要：
图斑合并（聚合和融合）是专题地图综合中一个很重要的任务。将小于面积阈值的图斑群的空间视觉冲突分为四类,针对不同的类型采取不同的策略,重点讨论了邻接小图斑群的渐进式合并方法。该方法有效地简化了整个计算过程,提高了计算效率,并使得合并前后的变化值达到最小。
英文摘要：
The polygon combination which includes aggregation and amalgamation is an important task in the generalization of thematic map.The spatial visual conflict of polygon groups which are lower than area thresholds is divided into four kinds and solved by different strategies.And a progressive combination method of adjacent polygon groups is mainly proposed,which can simplify the entire calculation progress,improve the computing efficiency,and make the changes reach the minimum before and after the generalization.
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