TAILIEUCHUNG - Ebook AutoCAD secrets every user should know: Part 2

(BQ) Part 2 book "AutoCAD secrets every user should know" has contents: AutoCAD scripts, AutoLISP by example - Getting started, AutoLISP by example - Getting better, 3D For everyone, AutoCAD puzzlers. | CHAPTER 7 AutoCAD Scripts Most users have forgotten AutoCAD Scripts over the past few years, and that’s too bad, because scripts are simple—and powerful. I use them every day to manage network computers, set up drawings, and test individual workstations to see how well they run AutoCAD. Scripts are my own personal insurance policy—they prevent those unwelcome surprises that sometimes occur when I’m presenting material on somebody else’s computer. But when it comes to updating drawings, this poor-man’s programming tool packs an even bigger punch. I’ve written scripts that update literally thousands of drawings while I’m busy doing something else. In the last section of this chapter, I’ll show you a few examples. Once you’ve seen them, I guarantee you’ll be thinking up a few of your own. If you changed the default path for AutoCAD when it was installed, you must use your own path in the code used in this chapter. C:\Program Files\AutoCAD 2007\ is used as the path to the file throughout. ■ Characteristics of Scripts ■ Writing and Running Scripts ■ Updating Thousands of Drawings 248 ■ chapter 7: AutoCAD Scripts Characteristics of Scripts Scripts are essentially extremely fast typists. When you have to do one thing the same way every time, scripts can’t be beat. They even have one advantage over real programming languages: You can use them in AutoCAD LT. Let’s start with a few characteristics of scripts: • Scripts are ASCII text files. Use a text editor for best results. • They consist of things you would normally type at the command prompt, such as: • Commands, but not command aliases • Command options as you would type them (E or Extents works for the ZOOM command) • AutoCAD system variables • Lisp code (unless you’re using AutoCAD LT) • External commands defined in the file, but not aliases • Commands and functions defined with AutoLISP, ARX, or VBA • They can be run automatically at AutoCAD startup by using the /b switch. • They .

• Cơ khí - Chế tạo máy
• AutoCAD secrets every user should know
• AutoCAD secrets
• AutoCAD scripts
• AutoLISP by example
• 3D For everyone
• AutoCAD puzzlers
• AutoCAD productivity
• Managing your system
• Customizing the AutoCAD interface
• Applying graphics standards
• AutoCAD 2007
• business of CAD
• customizing AutoCAD
• Interface in AutoCAD
• Professional Techniques
• Mastering AutoCAD