| 地图要素分类的定义及其度量化研究 |
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| 引用本文： | 钟业勋,胡毓钜,吴剑辉.地图要素分类的定义及其度量化研究[J].测绘工程,1999,8(2):11-15. |
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| 作者姓名： | 钟业勋 胡毓钜 吴剑辉 |
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| 作者单位： | 1. 广西测绘局
2. 武汉测绘科技大学 |
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| 基金项目： | 广西师范学院校科研和教改项目;; |
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| 摘 要： | 根据集合的分类模型和地图要素的共同特征，给出了地图要素分类的定义，并根据地图的空间特性，推导了地图要素的度量方法。由于每一种地图要素唯一关联着一个第二特征值，因而地图要素可以表示为第二特征值的泛等值线或泛等值面。
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| 关 键 词： | 地图要素 分类 特征点 第二特征值 |
| 修稿时间： | 1998-12-20 |
A Study on the Classification Definition of Map Elements and It's Metrization |
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| Zhong Yexun,Wu Jianhui,Hu Yuju.A Study on the Classification Definition of Map Elements and It's Metrization[J].Engineering of Surveying and Mapping,1999,8(2):11-15. |
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| Authors: | Zhong Yexun Wu Jianhui Hu Yuju |
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| Abstract: | In this paper, the classification definition of map elements according to the classification model of set and common characters of map elements is rendered out and the measuring method of map elements in term of the spatial characters of map is deduced. Because every map element solely correlates a second characteristic value, the map element can be expressed as a generalized isoline or isoplane of second characteristic value. |
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| Keywords: | Map elements Classification Characteristic dot Second characteristic value |
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