But you can built your own application for modify many drawings with one running lisp routine without using of script's, acaddoc.lsp and so on. dwg ') in higher AutoCAD versions use: (command '.FILEOPEN' 'd:drawingsmydrawing. Note: Above It is not a fully LISP Programm for working. How to open another DWG file from LISP If you want to open a different DWG drawing from your LISP application, the solution is apparently simple: (command '.OPEN' 'd:drawingsmydrawing. Your LISP Code here for working with each drawing (plot, title block update. (setq list_dwglist '("drawing1.dwg" "drawing2.dwg". ![]() (setvar "sdi" 1) Single Document Interface Settings at beginning in your lisp routine: Some of the easiest sounding things become monsters once you get into them and multiple documents from lisp is one of those things.Ī easy way to manipulate a lot of drawings is about to use it in single document inferface. You end up needing a "layered" structure of routines that call other routines on startup, or you need to use a script file to process the documents and loadfunctions/perform tasks in each document, or a more advanced ActiveX method to open drawings in a seperate session while your original session sends commands and/or control functions to that seperate session. once that gets closed (or simply goes out of focus depending on how you handle the opening of the new file) it is not available in the second document. Your next problem is the fact that the routine itself is a variable in the current document. You need to realize that when you open a new drawing you do not have access to any variables that were/are stored in the original drawing (as well as the routine definition itself) so you need to give serious consideration to what you are trying to accomplish and the steps to get there.īasically, once you hit that first fileopen you lose the variable that you created that contains the filename that you want to reopen after working on the secondary wrote: There are advanced techniques for overcoming that limitation, but for you, and for now. That is the first and foremost thing to remember when writing lisp routines. Lisp "memory" is document resident and only for the duration of the current editing session. Not that it really matters for what I am about to point out. Question for you: What version of Acad are you using? not just 2014/2013 etc, but are you using any vertical flavor of acad (Architecture, MEP, Civil 3d, Map, etc.). The variable "pathfile" contains a valid path, "C:\newsavefolder\myfile.dwg" Is there a problem with the command "fileopen" that can't use a variable to open a file or is it something else? Allthough it did work anyway (for some reason) up until the point of opening the old file again, I got rid of unnecessary code.īut I've still got a problem with opening the file with the line: This entry was posted in English and tagged AutoLISP, CAD, CAD customization, free cad, LISP by admin. (setq en (subst (cons 8 lyr) (assoc 8 en) en)) (while (setq en (entget (ssname ss ind))) (setq lyr (getstring “Type existing layer name to change to: “)) You can even assign your custom icon and toolbar to your LISP command by editing bcad.mnu file in BabaCAD/Support folder. You can set lsp file to automatically load on startup or manually load using command APPLOAD. Just copy this lisp function to chlayer.lsp (open notepad and copy/paste and save as CHLAYER.LSP). I will fix this in next BabaCAD release, but I will give here temporaray solution using LISP. I found that I’ve forgot to include option of changing layer for multiple selected objects in last BabaCAD release 1.3. ![]() LISP is available as AddOn/Extension module and you can download latest updated version on It’s also AutoCAD AutoLISP compatible in most cases. If you don’t know how to write lisp function then you can find millions of lisp routines on internet for free.īabaCAD was among the first to have LISP programming support. Even non-programmer can learn to write LISP routines to automate and speed up his CAD work. Every neighbourhood has a LISP programmer cause LISP is one of the oldest programming languages and it’s very easy to learn. But only one problem is that AutoLISP is not available in AutoCAD LT (lite low-price version of full AutoCAD). The current implementation takes advantage of the fact that ASCII characters are common and cannot change asciisets. , and take the intersection of those sets. LISP (AutoLISP in AutoCAD) is one of the most powerful customization features found in AutoCAD. (Note the comma before url-coding-escape-character-code since CCL is a Lisp macro language, we can break out of the macro evaluation with a comman. ![]() First ask yourself why other commercial CAD software like AutoCAD, DraftSight and others, have no customization capabilities for free.
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