To analyze positional accuracy of geographical lines in GIS, this paper begins with a discussion on the representation and positional errors of linear features.
为了分析GIS图上地理曲线的定位精度，首先探讨地理曲线的表达与定位误差，区分“数字曲线”和“连续曲线”两个概念；
With the deep research on the spatial objects model of GIS and the representation of natural geographical feature, this paper put forward the fuzzy spatial objects.
随着对GIS中的空间对象模型和自然地理特征表达的研究深入，模糊空间对象被提出。
This pap er describes a feature -based model that enhances the representation of geographical feature.
本文探讨了能更好表达地理特征的数据模型。
This pap er describes a feature -based model that enhances the representation of geographical feature.
本文探讨了能更好表达地理特征的数据模型。
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