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AutoLISP - Getting Started
AutoLISP - Using Setq function
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AutoLISP - Getting Started
AutoLISP - Using Setq function
AutoCAD 3D Press-Pull


AutoLISP & VisualLISP
DCL-Dialog Control Language
Inventor API
SolidWorks API
SolidEdge API


AutoCAD.Net Code


AutoCAD Customization
CAD Customization
SolidWorks Customization


Articles > AutoLISP


What is AutoLISP?


AutoLISP is AutoCAD's inbuilt programming language. AutoLISP is used to create programs that will automatically generate drawings. This is a procedural programming language. It is inbuilt i.e. if you have AutoCAD full version loaded on you computer then AutoLISP is already there. AutoCAD LT version do not have AutoLISP interface.

User defined customized commands can be added to AutoCAD using AutoLISP. These customized commands will perform the activities that we want to automate. The very simple example can be creating parametric shapes of any complexity. These shapes will be generated considering the parameters defined and values provided at the time of generation.


Why use AutoLISP? / Why learn AutoLISP?


When there are number of different environments such as AutoCAD VBA, AutoCAD.Net, ObjectARX, are available for AutoCAD Customization then why should we use AutoLISP? Very true! But if you have noticed, to do programming using any of the other environments you must be aware of the programming languages specifically needed for that environment i.e. if you want to do programming using AutoCAD VBA you must be familiar with Visual Basic. For AutoCAD.Net you should have programming knowledge of VB.Net or C#.Net. For ObjectARX you should be familiar with C++ & VC++.


That is not the case with AutoLISP. You can straight forward learn AutoLISP & simultaneously do the AutoCAD customization.



I will recommend you learning AutoLISP in following two circumstances.

1. If you are the first time programmer & not aware of any of the above programming languages
2. If you want to learn AutoCAD customization on your own without joining any training center


What can be done using AutoLISP?


Almost all activities that you do manually can be performed automatically using AutoLISP. AutoLISP have rich set of functions that you can use to perform any activity in AutoCAD automatically. It has general programming fuctions for variable manipulation, decision control, loops, arithmatic opertions, error handling and function handling. And special functions such as geometric functions, display control functions, query and command funcitons, user input funcitons and object handling functions.


Related links:


       Read article on VisualLISP, AutoCAD customization, AutoCAD VBA

       Learn AutoCAD Customization using AutoLISP & VisualLISP, DCL, AutoCAD VBA, AutoCAD.Net, ObjectARX

       Learn other CAD Customization tools such as SolidWorks API, SolidEdge API, Inventor API



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