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Have you tried to turn off Object Snaps before you run the script? It looks to me as if your line is snapping to adjacent end of line points instead of plotting the listed coordinates.

I moved your thread to the The CUI, Hatches, Linetypes, Scripts & Macros Forum. Your script is missing the blank line at the bottom, so it needed that for enter at the end. Other than that, I ran it in AutoCAD 2000i on my home computer and they all look like your bottom image.

Just doing something wrong with using OBDX still getting my head around using it. I think the limitation is in getting an object via a selection set. So a script approach may be the easiest way. Give this a try two parts the doatts.lsp file which does the work, the c:doatts that makes the script to be run so need to load that first. That means 2 lisp files. Change the Acadtemp to your start directory, pick any dwg for directory name. (defun c:doatts ( / fname files pre fo) (setq fname (getfiled "Select a Dwg FILE" "d:\\Acadtemp" "dwg" 16)) ; chnage start directory name (setq pre (car (fnsplitl fname))) (setq files (vl-directory-files pre "*.DWG" 0)) (setq fo (open (setq fname (vl-filename-mktemp "" "" ".scr")) "w")) (write-line "(command \"regen\")" fo) (foreach file files (write-line (strcat "Open " "\"" pre file "\"") fo) (write-line "(load \"doatts\")" fo) (write-line "(AH:doatts)" fo) (write-line "close Y" fo) ) (close fo) (command "script" fname) (vl-file-delete fname) (princ) ) Second lisp is the doatts defun AH:doatts ( / ss obj atts att tname) (setq ss (ssget "X" '((0 . "INSERT")))) (repeat (setq x (sslength ss)) (setq obj (vlax-ename->vla-object (ssname ss (setq x (1- x))))) (if (= (vlax-property-available-p obj 'hasattributes) T) (progn (setq atts (vlax-invoke obj 'Getattributes)) (foreach att atts (setq tname (vlax-get att 'Tagstring)) (if (= tname "MATERIAL") (vlax-put att 'Textstring "TEST") ) ) ) ) ) (command "close" "Y") (princ) )

Like a lot here just remember teaching your children how to drive, no did not crash into things, but went around a roundabout, hands everywhere trying to turn, change gears and me praying as we chugged out.

Can you post a sample drawing with a block example of before & after? Add explanatory notes to the drawing so that we understand. From what I can understand of your goal I think Lee's code will work without modification.

Took the day yesterday to work through the examples, youtube and so on, a bit of trial and error and kid of got it working. Just need to practice more - it wasn't as bad as it looked at first Driving however is another thing. Still crashing into things.

We used AutoTurn by Transoft for years as an AutoCAD plugin years before Vehicle Tracking or even Civil 2D was added to AutoCAD. It was a company in England at the time but it's worldwide now and no longer a simple AutoCAD plugin!

Just remember with say a semi you have to turn outward before turning in the direction you want for tight corners, same with exit oversteer corner. It normally took say 3+ goes to get a smooth path. Followed a road train go through multiple roundabouts in Darwin, a road train is 3 x 19m trailers 66 ton. The driver would go left and right crossing 3 lanes but did not go slow, What was that bump ?

Thanks Tombu, played a little this morning and demolished some of a virtual London, not the software, my driving skills... but your links look handy

Lot of useful tutorials for Vehicle Tracking on YouTube: https://www.youtube.com/results?search_query=autodesk+vehicle+tracking Used it a lot before I retired. For commercial projects besides entrances access to dumpsters and delivery locations was important. Curves in access roads need to be checked for the longest vehicles that uses them as parts of the vehicle shift inside.

I use a block with mask/wipeout, scaled up, then xclipped to trim the extent of lines. Allows easy moving and 'breaking' of hatch patterns without actually breaking anything. sym-breakline-mask.dwg

@Jgrand3371 I just loaded the app onto my BrisCAD Pro V26 and it appears to work. I just tested a few of the many options, certainly not an extensive test. This program is great! @gtwatson Thank you for sharing.

I like using foreach to step thought a selection set or if you need the vla-object (foreach ent (vl-remove-if 'listp (mapcar 'cadr (ssnamex SS))) ) (foreach obj (mapcar 'vlax-ename->vla-object (vl-remove-if 'listp (mapcar 'cadr (ssnamex ss)))) )

Another very useful is "Entmake functions.lsp", it has various entmake functions in it. Maybe make a word doc etc of your functions describing what they do. We had a "how to directory" with lots of help files. Was thinking about doing macros in Notepad++ run ents, run ss, ssl for layer, ssi for insert and so on. This is a common one. (repeat (setq x (sslength ss)) (setq obj (vlax-ename->vla-object (ssname ss (setq x (- x 1))))) ) Posted this before. Lisp files Apr 2024.docx

Call Grind for Lisp (CG) is a Lisp application aimed to help profiling of lisp programs running on IntelliCAD, AutoCAD, BricsCAD and alikes. If you are in need of determining the bottle-necks, the time consumed for specified functions , visualize call diagram of your lisp application you may find CG useful. CG collects data (time consumed by each function and call stack) at runtime (dynamic analysis) and creates “call grind” type output to be used by CacheGrind system (credit goes to authors). Requirement: Download and install qcachegrind software recompiled for Windows version of KCacheGrind. Refer to header of the lisp code attached for instructions. Limitation: May fail in consecutive functions forming loop. License: Copy Left Enhanced the code, found a bug? Just let me know. Suha cg.lsp

You’re welcome Tom. I forgot to say that if you are unable to install the 2021.1 update, then second choice is to set the AutoCAD system variable LISPSYS to zero and restart AutoCAD. The caveat is AutoCAD will then use the old VLAIDE rather than new Visual Studio. Steve Doman

The best software depends on the type of work that you do. Architectural, Civil, Mechanical, Electrical, etc.

Updated Version for the night, South_Elevation Model 5.pdf everything done except for dimensioning & the roofing from what I can tell (plotted in monochrome for easier viewing). For anyone that needs a better look at what is called for, assuming its all "PF correct". If anyone notices something off let me know!