| 地形图缩编技术在地质调查底图生产中的应用 |
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| 引用本文： | 答星,吴克友,单静,杨晓东.地形图缩编技术在地质调查底图生产中的应用[J].城市勘测,2013(5):19-22. |
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| 作者姓名： | 答星 吴克友 单静 杨晓东 |
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| 作者单位： | 武汉市测绘研究院,湖北武汉,430022 |
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| 基金项目： | 精密工程与工业测量国家测绘地理信息局重点实验室开放基金 |
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| 摘 要： | 以武汉市城市地质调查底图生产项目为例，详细介绍了1：1万地形图更新缩编1：2．5万和1：5万地形图的技术路线，针对地形图缩编生产及质量检查中发现的问题，做了一些分析和探讨。总结了多种要素的更新缩编方法，从而极大减少手工工作量，提高生产效率，并结合生产流程中的部分环节和问题进行了思考与阐述。
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| 关 键 词： | 缩编更新 数字线划图 地图综合技术 |
Discussion on Generalization Technology in Base Map Production of Geologic Survey |
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| Da Xing
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Wu Keyou
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Shan Jing
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Yang Xiaodong.Discussion on Generalization Technology in Base Map Production of Geologic Survey[J].Urban Geotechnical Investigation & Surveying,2013(5):19-22. |
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| Authors: | Da Xing Wu Keyou Shan Jing Yang Xiaodong |
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| Affiliation: | Da Xing, Wu Keyou, Shan Jing, Yang Xiaoclong ( Wuhan Geomatic Institute, Wuhan 430022, China) |
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| Abstract: | Taking the base-map production of the Wuhan geologic survey as an example, the method of downsizing 1： 25000 and 1 ： 50000 topographic maps was detailed in the paper , Some problems in map generalization and qualitycontrol techniques have been developed and summarized. The gerteralization mpthod involving several elements used for updating and reducing the scale was summarized, which could reduce manual work consumedly and improve work officiency.The problems combined with actual process were also expounded and discussed. |
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| Keywords: | generalization and updating digital line graphic map generalization technology |
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