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September 2010 Hot Tip Harry
Tip# 3494 By R.K. McSwain On 10-Sep-2010
Rated By 1 users Downloaded : 227
Categories : Misc. User Tools
Software type : AutoCAD 2011
Rename File To : September2010HTH/,September2010HTH/.DS_Store,September2010HTH/0910Harry-ReadMe.txt,September2010HTH/Addline.LSP,September2010HTH/DivideLine.lsp,September2010HTH/LengthAtMidpoint.lsp,September2010HTH/lstVlookUp.LSP,September2010HTH/protect_example.lsp,September2010HTH/refcopy.lsp
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For September, Harry's picks include the following:

List Lookup Function —  Sanjay Kulkarni — Unlike most other tips you see here, this function is meant to be used as part of a larger routine. Sanjay's function requires two arguments: an integer and a list of integers in ascending order. When executed, it will return the smallest integer in the list that is larger than the first argument.                                        

Create a Field-Referenced Copy — Leland Leahy — This routine works like the built-in Copy command, except that copied text or mtext entities are referenced to the originals using fields.
Calculate Total Length — Robert L. Zipprich — This routine will return the total length of any number of lines, arcs, and/or polylines that you select.

Place Point Objects with DivideLine — Richard Schwier — Richard's routine works in a similar fashion as the built-in Measure command: when you select an object and enter a length, Point objects are created along the object at the interval you select. The difference with DivideLine is that the distance you enter is treated as a maximum distance and the Points are created at the same interval along the object.

Protect LISP code
— Leonid Nemirovsky —  Leonid shares his method for protecting LISP code. It consists of three functions separate from the main program.

Apply Length Labels at Entity Midpoints
— Lee McDonnell — Lee is back again, this time with a routine that labels AutoCAD entities with their length. This routine works for circles, lines, arcs, and polylines.


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