| 基于ARX实体驱动的方法及参数化变动设计的实现 |
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| 引用本文： | 王业明. 基于ARX实体驱动的方法及参数化变动设计的实现[J]. 工程图学学报, 2003, 24(1): 8-14 |
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| 作者姓名： | 王业明 |
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| 作者单位： | 扬州大学,扬州,225009 |
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| 基金项目： | 江苏省水利科技重点推广资助项目(2001132)，扬州大学科研基金资助项目(G0111201) |
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| 摘 要： | AutoCAD系统为每个实体对象提供了唯一的标识符（ID）。笔者基于ARX技术对AutoCAD图形数据库的访问机理，通过实体标识符（ID）及实体对象的特征点、图元几何约束及图元间的约束联动，实现了图元实体驱动的参数化变动设计；通过尺寸实体对象标识符（ID）及尺寸与图元的约束关系，实现了尺寸驱动的参数化变动设计。此方法在水利工程流道CAD中加以了应用，其效果良好。
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| 关 键 词： | ARX 参数化变动设计 实体驱动 AutoCAD 数据库 几何约束 尺寸约束 泵站 标识符 水利工程 |
| 文章编号： | 1003-0158(2003)01-0008-07 |
The Method Based on ARX Entity Driving and the Realization of Parametric Variation Design |
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| WANG Ye-ming. The Method Based on ARX Entity Driving and the Realization of Parametric Variation Design[J]. Journal of Engineering Graphics, 2003, 24(1): 8-14 |
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| Authors: | WANG Ye-ming |
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| Abstract: | Based on mechanism of ARX visiting AutoCAD DataBase, this paper has used the unique ID and property points of primitives as well as primitives constraint and associative variation to realize parametric design by primitives-driven. With the dimension ID and constraint relation between dimension and primitives, this paper has also realized the dimension-driven design. The method has been applied in design of CAD for passageways of pump stations and the result is satisfying. |
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| Keywords: | parametric design entities-driven AutoCAD database geometric constraint dimension constraint |
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