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I think code can be made easier, yes LT does support VL just not a full set but should support "getattributes" an easier way of getting attribute values or you may be able to use the getpropertyvalue method even easier. Have a look at Lee-mac ssget functions. you should use "E" to select block. https://www.lee-mac.com/ssget.html If the desired result is to plot ";; 6. Launch Plot Command" say a PDF with a known filename please say so, no need for a clipboard. There are plenty of plot lisps out there. You need to provide more details, is the title block true size or scaled, what device for output, PDF, A3, A1, plotter names and so on. Is it in model or a layout ? A couple of test code just try them. Property would be easiest, please let me know if it works in LT. (DEFUN C:test ( / ) (setq ent (car (entsel "\npick block "))) (setq dwgno (strcase (getpropertyvalue ent "DRAWING_NO.") T))) (princ) ) ; Wrapper the entsel in a while is it a BLOCK with attributes so if wrong pick do again. A enter check would be exit. ; in this test looks for one attribute but can redo as look for multiple atts and save value in varaibles. (defun c:test ( / ) (setq obj (vlax-ename->vla-object (car (entsel "\nPick block with attributes ")))) (setq atts (vlax-invoke obj 'Getattributes)) (vlax-for att atts (if (= (vlax-get att 'textstring) "DRAWING_NO.") (setq dwgno (strcase (getpropertyvalue ent "DRAWING_NO.") T))) ) ) (princ) )

It will probably be next week before I can check out QGIS solutions. From the user's perspective, even if off in a few spots, several of these LISP solutions here are faster (maybe more accurate), even including time to adjust manually than most of the other solutions for GIS, though I am no speed demon in GIS. Just look at all of the prep work on the Whitebox Tools, though if I had all of those branches and islands as well as a few oxbows, thin connections, etc. like the example, that would be the way to go as far as I can tell, I do believe it also works on vector, IIRC. It looks like part of that is free as a Python toolset, I'll try to read up some more on that. As I mentioned long ago in this thread, my daughter's co-workers are using AutoCAD to create the centerlines and manually adjusting if needed even though they have ArcGIS, though they may not have the extra tools that have the easy centerline tools. From what I looked up, ArcGIS made some tools a higher priced tier. Maybe asking a few questions on some GIS forums might yield more information.

Hi marco . You can add the previous created object by the use of function ssadd to add to the current selection set . Example . (setq ss (ssadd)) (command "_.line" '(0. 0. 0.) '(1. 0. 0.) "") (ssadd (entlast) ss) And so on .... Hope this what you mean Tharwat