| 基于DXF文件的图件转换方法研究及程序实现 |
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| 引用本文： | 姚宜斌,孔建.基于DXF文件的图件转换方法研究及程序实现[J].大地测量与地球动力学,2011,31(1):117-122. |
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| 作者姓名： | 姚宜斌 孔建 |
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| 作者单位： | 武汉大学测绘学院，武汉 430079 |
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| 基金项目： | 国家自然科学基金(40774008,40721001); 中央高校基本科研业务专项基金 |
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| 摘 要： | 通过对DXF中实体数据存储规则的研究，实现了在脱离CAD支持情况下，直接对DXF文件操作而完成图件转换功能的方法，并结合具体的工程项目编写了相应的图件转换程序。经过测试，其能实现图件在国家系与国家系、国家系与地方系以及地方系与地方系之间的自由转换，而且还实现了图件转换过程中图块的整体转换。
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| 关 键 词： | CAD图件转换 DXF文件 图块转换 国家基准现代化 坐标转换 |
RESEARCH ON GRAPHIC CONVERSION METHOD AND PROGRAM IMPLEMENTATION BASED ON DXF FILE |
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| Yao Yibin,Kong Jian.RESEARCH ON GRAPHIC CONVERSION METHOD AND PROGRAM IMPLEMENTATION BASED ON DXF FILE[J].Journal of Geodesy and Geodynamics,2011,31(1):117-122. |
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| Authors: | Yao Yibin Kong Jian |
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| Institution: | School of Geodesy and Geomatics, Wuhan University, Wuhan 430079 |
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| Abstract: | Through the research for the rules of storing entity data in the DXF,achieving that the direct operating of DXF file to complete maps conversion without the CAD support is achieved and the corresponding graphics conversion program has been compiled with specific projects.After test,with this program we can complete map conversion between National Coordinates,National Coordinate and Local Coordinate,Local Coordinates,and we have achieved integrated blocks conversion in the conversion process. |
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| Keywords: | CAD map conversion DXF file blocks conversion national datum modernization coordinate transformation |
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