| 不同图式间CASS地形图自动缩编的实现 |
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| 引用本文： | 赵卫常.不同图式间CASS地形图自动缩编的实现[J].测绘与空间地理信息,2012,35(4):146-149. |
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| 作者姓名： | 赵卫常 |
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| 作者单位： | 河北省煤田地质局物测地质队,河北邢台,054000 |
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| 摘 要： | 应用AutoLISP对CASS软件进行二次开发,就实现采用不同图式的地形图从大比例尺到中小比例尺的自动缩编进行了阐述.通过AutoLISP的分类选取功能对地形图分别进行选择,再依据CASS软件对不同符号的编码进行符号转换,实现地形图的比例尺变换功能.
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| 关 键 词： | 地图缩编 不同图式 CASS AutoLISP 脚本文件 |
The Realization of CASS Graph Automatic Downsizing between Different Schema |
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| ZHAO Wei-chang.The Realization of CASS Graph Automatic Downsizing between Different Schema[J].Geomatics & Spatial Information Technology,2012,35(4):146-149. |
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| Authors: | ZHAO Wei-chang |
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| Institution: | ZHAO Wei-chang(Geophysical Prospecting and Surveying Team of Hebei Bureau of Coal Mine Geology,Xingtai 054000,China) |
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| Abstract: | In this paper,the author develops CASS software secondarily using AutoLISP,elaborates automatic downsizing of surveying and mapping graph from large scale to small and medium scale between different schemas.The author also chooses surveying and mapping graph through the classification function of AutoLISP,executes symbol conversion of different coding according to CASS software in order to realize the function of scale conversion. |
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