采用弯曲进行道路化简冲突避免的方法

针对道路化简后可能导致要素间空间关系前后不一致的问题,提出了一种采用弯曲进行道路化简冲突避免的方法。首先,以弯曲为单元分析道路化简前后弯曲的形态变化规律,对化简过程产生的要素间空间冲突类型进行了归纳和总结;其次,基于道路弯曲与要素之间的空间关系,提出了相应的冲突判别规则;最后,利用弯曲化简的可控性和弯曲组的间接化简策略实现对化简冲突的避免。试验表明,该方法能有效地识别和避免道路化简产生的空间冲突,确保化简前后道路与其他要素空间关系的一致性。

Avoiding Special Conflicts in Road Simplification by Using Road Bends

This paper proposed a method which aims to avoid the conflicts caused by the simplification of road networks by using road bends.First,using road bend as basic unit to analyze the morphological changes of the curve line,different types of the spatial conflicts in road simplification process were studied. Second,the identification rules of different types of conflicts were studied based on the special relations between road bends and other features.Finally,using the controllability of road bends and the indirect simplification by using bend groups,to avoid the conflicts.Comparing results illustrated that this method can effectively identify and avoid the special conflicts during the road simplification and maintaining the special relation consistency of the data.