123

请拾取第一根线(LINE)或弧(ARC)连接线段或圆弧 ,再拾取第二根线(LINE)或弧(ARC)进行连接(Please pick up the first lines (LINE) or arc (ARC) connection line or arc, then picked up second line (LINE) or arc (ARC) connection)

运用谱聚类的方法（如Ncuts和NJW的算法）结合kmeans进行了数据的聚类分析(Using the method of spectral clustering algorithm (such as Ncuts and NJW) combined with kmeans clustering analyzed)

此为AutoCAD二次开发程式源代码，可以自动标注所选图元X及Y方向的坐标尺寸(Set select drawing )

说明：  AutoCAD Visual LISP 语言学习参考(AutoCAD Visual LISP Language Learning Reference)

说明：  《AutoLISP 机械设计高级应用实例》 基于autolisp和CAD的机械绘图方面的专业书籍(AutoLISP Advanced Application Examples of Mechanical Design Professional Books on Mechanical Drawing Based on Autolisp and CAD)

自动创建CAD图层，基本代码仅供学习参考，谢谢(Automatically create the CAD layer)

《AUTOCAD开发篇》曹颖著 基于lisp的CAD二次开发应用("AUTOCAD Development Chapter" written by Cao Ying)

地形图编辑中的误操作导致高程值为0或其他不符值，该程序快速检查出异常高程值(the elevation value anomaly is cheched in the topographic map)

lingo小程序，解决线性规划问题，希望对从事这方面的朋友有帮助。(lingo small program to solve linear programming problems, hope in this field to help a friend.)

说明：  标注节点距离，批量标注节点距离。节省画图时间 提高画图效率(Marking Node Distance)