AutoCAD 2004 Customization Tutorial: Defining a New Command Alias
By Alireza Parsai,
May 28, 2003
Command aliases are alternative names for AutoCAD commands. For
example you can invoke the LINE command by entering L in command
line. The AutoCAD Program Parameters file or rather ACAD.PGP is
used to define command aliases. Here you learn how to open and
modify this file to add a new command alias.
1.
Start AutoCAD 2004 if necessary.
2.
Invoke OPTIONS command.
3.
Select Files tab.
4.
Click the + sign beside Support File Search Path.
5.
Select the long path that leads you to the Support file
[Figure 1].
Figure 1 -
Click on image to enlarge
6.
Press F2 to make the path text selectable.
7.
Press Ctrl+C to copy the path to Windows clipboard.
8.
Click Cancel to close the Options dialog box.
9. In
command line enter Notepad and then press Enter twice. The
Notepad window appears.
10. In
Notepad press Ctrl+O to open a file. The Open dialog box appears
[Figure 2].
Figure 2 -
Click on image to enlarge
11.
Double-click in the File name box.
12.
Press Ctrl+V to paste the content of clipboard in the text box
[Figure 3].
Figure 3
13.
Add \acad.pgp to the end of the text [Figure 4].
Figure 4
14.
Click Open. The ACAD.PGP file appears in Notepad window [Figure
5].
Figure 5 -
Click on image to enlarge
15.
The file consists of two sections: external commands and command
aliases. To find the command aliases section press Ctrl+F. The
Find dialog box appears [Figure 6].
Figure 6
16. In
Find what box type command alias format and then
click Find Next.
17.
Close the dialog box and scroll down. Read through the comments
to learn more about defining aliases.
18.
Press Ctrl+End to jump to the end of the file. Press Enter twice
to insert two blank lines.
19.
Type the following comment. Note that comment lines start with
semicolon and are for your reference only.
; My
Custom Aliases
20.
Add the following alias definition [Figure 7]. The space between
the comma and asterisk is optional.
VL, *VLISP
Figure 7
21.
Save the file.
22.
Switch to AutoCAD.
23. To
put the changes into effect you may exit and restart AutoCAD or
use the REINIT command. Invoke REINIT. The Re-initialization
dialog box appears [Figure 8].
Figure 8
24.
Select PGP File option and then click OK.
25. In
command line type VL and then press Enter. The Visual LISP
window appears.
About the Author
Alireza Parsai is the founder of cadpanel.com. He is a
mechanical engineer with more than 12 years experience with
AutoCAD. Alireza is an Autodesk Authorized Author, the AutoCAD
consultant for Al Khawarizmi Institute, a contributing editor
for Augiworld magazine, a writer for CAD Digest, an instructor
for AUGI Training Program, and an elected speaker for Autodesk
University 2002. He has written 7 books in Farsi, 3 booklets in
English, and more than 30 articles for different magazines and
newsletters. You can reach him at
alireza.parsai@cadpanel.com or visit his website
www.cadpanel.com.
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