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LEADER.LSP
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1987-03-29
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; LEADER.LSP
; 3/01/1987
; By Tony Tanzillo, A/E Automation Systems
;
; The information contained herein is being donated to the public domain
; soley for the benefit of licensed AutoCAD END USERS everywhere. You are
; free to modify, or reproduce and distribute only in the un-altered
; original form, the information contained herein for ANY NON-COMMERCIAL
; use, provided such reproduction/disribution is NOT FOR PROFIT, and
; provided that with any such distribution, this NOTICE (or any portion
; thereof) is NOT REMOVED OR ALTERED from it's original content in ANY
; manner, shape, or form.
;
; You ARE NOT free to reproduce and/or distribute the information
; contained herein (regardless of medium or form of reproduction) for
; profit, or to include it or any portion thereof, as a part of any
; commercially marketed goods regardless of thier intended nature, scope,
; or form, without the expressed written permission of the author.
;
; If you seek such permission, it will be granted provided you furnish the
; author with ONE (1) fully-functional, licenseable sample of the finished
; product(s) in final marketed form. In return for which you may solict
; and will recieve the author's objective opinions, advice and insight
; regarding any and all aspects of said product(s), free of charge, with
; appropriate and complete written assurance of non-disclosure.
;
; Additional information can be obtained
; by writing to:
; Anthony F. Tanzillo,
; 32 Gould Ave.
; Paterson, N. J. 07503
;
; Or, via electronic medium thru;
;
; Compuserve ID: 70307,2556
;
; Leader.lsp is a AutoLISP-based user defined command that provides
; enhanced creation of a dimensioning and annotation leader and text.
;
; Some of the features of LEADER are:
;
; 1. Automatic termination of continuous leader line specification
; after 2 line segments are drawn.
;
; 2. Automatic termination of leader line specification if the first
; specified line is 0 or 180 degrees.
;
; 3. Dynamic multiple line text entry.
;
; 4. Automatic left or right leader text justification controlled by the
; direction of the last leader line segment.
;
; 5. Uses a user-specified block (required!) for the leader arrow which
; is compatible with blocks used by AutoCAD's dimension leader arrow
; block option.
;
; 6. User-definable leader text style & height can be redefined along
; with other settings and parameters.(reguires a NON-FIXED HEIGHT
; TEXT STYLE to be used for the leader text).
;
; 7. User-definable leader arrow block can be redefined to any of 5
; different arrow types in the included DXF file.
;
; 8. User-definable arrow size/text height RATIO (the arrow size will
; always be proportional to the leader text height), can be redefined
; as needed.
;
; To use LEADER, follow these steps;
;
; Add all the AutoLISP code included in this file to your ACAD.LSP,
; or LOAD in from within AutoCAD.
;
; DXFIN the included arrow DXF drawing, and wblock each arrow out to
; the default working subdirectory so they will be available for
; insertion by the LEADER command.
;
; Create one or