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《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)

说明：  solidworks学习笔记，帮助soloidworks入门学习者，了解基本的操作，快速掌握一些入门技巧(materials for learning solidworks 2016)

资源描述在cad图形处理操作中，常常要计算闭合复合线区块的长度，面积，复合线区块的个数，及总得长度，面积；此代码就实现了在cad图形中自动批量获取区域中的复合线区块的长度，面积等属性

一个简单的图像水印算法matlab源码。非常方便使用，一看就懂。 (A simple image watermarking algorithm matlab source. Very easy to use, one can understand.)

AUTO CAD下的测绘数字成图软件！三角形网、等高线、土方计算等！(the mapping and digital map software! Triangle Network, contour, earthwork calculations!)

基于autolisp快速绘制钢结构（尤其钢箱梁）横断面(Rapid Drawing of Cross Sections of Steel Structures (especially Steel Box Girders) Based on Autolisp)

c#在不启动CAD情况下创建dwg文件,大家可以看下。

描述了厂用电的基本结构和各组件之间的联系，是实际电厂的厂用电布置图。(This paper describes the basic structure of the auxiliary power supply and the relationship between the components. It is the layout of the auxiliary power supply of the actual power plant.)

cass图层管理一个快速打开关闭图层的小插件很实用(cass layer management a quick opening and closing very practical small plug layer)

说明：  介绍了一下DXF文件的组成。重点讲述了怎样使用C语言来读取DXF文件中的实体信息(This paper introduces the composition of DXF file. It focuses on how to use C language to read entity information in DXF file)