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If you look at this snippet of code it is all the values required, insert correct title block and make a viewport. This is for one viewport, multiple title blocks. (cond ((= ntitle "A0_Landscape") (setq ht 780.0 wid 1160.0 xpt 878.0 xwid 62.0 yht 32.0)) ((= ntitle "A1_Landscape") (setq Ht 541.0 wid 831.0 xpt 542.0 xwid 62.0 yht 32.0)) ((= ntitle "A1_Portrait") (setq Ht 774.0 wid 571.0 xpt 229.0 xwid 62.0 yht 32.0)) ((= ntitle "A2_Landscape") (setq ht 367.0 wid 584.0 xpt 295.5 xwid 62.0 yht 32.0)) ((= ntitle "A2_Portrait") (setq ht 554.0 wid 410.0 xpt 209.5 xwid 41.0 yht 23.0)) ((= ntitle "A3_Landscape") (setq ht 247.0 wid 400.0 xpt 200.0 xwid 41.0 yht 23.0)) ) So for multiple viewport the cond would use a "list" of values, title block then the viewport say lower left X,Y then upper right X,Y, repeat for how many viewports required. You could pick correct title block from a dcl radio button you can have around 20 in vertical dcl. If I am understanding correct post a true title block with say 3 viewports and will post some sample code,

(defun rh:dxf (code lst) (cdr (assoc code lst))) (defun c:aa ( / cmde ent e_typ e_lst area vtx x_lst y_lst z_lst x_pt y_pt z_pt c_lst v_lst ss sum sz) (cond ( (/= 0 (getvar 'cmdecho)) (setq cmde (getvar 'cmdecho)) (setvar 'cmdecho 0) ) ) (while (setq ss (ssget "_+.:E:S" '((0 . "POLYLINE,LWPOLYLINE") (-4 . "<OR") (70 . 1) (70 . 3) (70 . 5) (-4 . "OR>") ) )) (setq ent (ssname ss 0) e_typ (rh:dxf 0 (setq e_lst (entget ent))) area (getpropertyvalue ent "area") v_lst nil ) (cond ( (= e_typ "POLYLINE") (setq ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) (while (/= "SEQEND" (cdr (assoc 0 (entget ent)))) (setq v_lst (cons vtx v_lst) ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) (if (= (setq sum (apply '+ (mapcar '(lambda (x) (caddr x)) v_lst))) 0.0) (setq z_pt 0.0) (setq z_pt (/ sum (length v_lst))) ) ) ( (= e_typ "LWPOLYLINE") (setq z_pt (rh:dxf 38 e_lst)) (foreach pr e_lst (if (= (car pr) 10) (setq v_lst (cons (cdr pr) v_lst))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) ) ) (setq c_lst (list x_pt y_pt z_pt)) (if(not sz) (progn (vla-getboundingbox (vlax-ename->vla-object ent) 'MinPT 'MaxPT) (setq p1 (vlax-safearray->list MinPT) p2 (vlax-safearray->list MaxPT)) (setvar 'textsize (* 0.05 (distance p1 p2))) (setq sz t) ) ) (entmakex (list (cons 0 "MTEXT") (cons 100 "AcDbEntity") (cons 100 "AcDbMText") (cons 10 c_lst) (cons 40 (getvar 'textsize) ) (cons 71 5) (cons 72 5) (cons 1 (strcat (rtos (/ area 1000000.0) 2 2) "m\U+00B2")) ) ) ) (if cmde (setvar 'cmdecho cmde)) )

(defun rh:dxf (code lst) (cdr (assoc code lst))) (defun c:aa ( / cmde ent e_typ e_lst area vtx x_lst y_lst z_lst x_pt y_pt z_pt c_lst v_lst ss sum) (cond ( (/= 0 (getvar 'cmdecho)) (setq cmde (getvar 'cmdecho)) (setvar 'cmdecho 0) ) ) (while (setq ss (ssget "_+.:E:S" '((0 . "POLYLINE,LWPOLYLINE") (-4 . "<OR") (70 . 1) (70 . 3) (70 . 5) (-4 . "OR>") ) )) (setq ent (ssname ss 0) e_typ (rh:dxf 0 (setq e_lst (entget ent))) area (getpropertyvalue ent "area") v_lst nil ) (cond ( (= e_typ "POLYLINE") (setq ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) (while (/= "SEQEND" (cdr (assoc 0 (entget ent)))) (setq v_lst (cons vtx v_lst) ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) (if (= (setq sum (apply '+ (mapcar '(lambda (x) (caddr x)) v_lst))) 0.0) (setq z_pt 0.0) (setq z_pt (/ sum (length v_lst))) ) ) ( (= e_typ "LWPOLYLINE") (setq z_pt (rh:dxf 38 e_lst)) (foreach pr e_lst (if (= (car pr) 10) (setq v_lst (cons (cdr pr) v_lst))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) ) ) (setq c_lst (list x_pt y_pt z_pt)) (vla-getboundingbox (vlax-ename->vla-object ent) 'MinPT 'MaxPT) (setq p1 (vlax-safearray->list MinPT) p2 (vlax-safearray->list MaxPT)) (entmakex (list (cons 0 "MTEXT") (cons 100 "AcDbEntity") (cons 100 "AcDbMText") (cons 10 c_lst) (cons 40 (* 0.02 (distance p1 p2)) );(getvar 'textsize)) (cons 71 5) (cons 72 5) (cons 1 (strcat (rtos (/ area 1000000.0) 2 2) "m\U+00B2")) ) ) ) (if cmde (setvar 'cmdecho cmde)) )

Are you saying you want say a A3 sheet 420x297 but with 3 viewports, that can be done. To have a oversize sheet does not make sense to me. You just set up the sheet details and the location of each viewport, not hard to do. ("A3" "0,20" "140,190" "140,20" ""280,190" and so on)

Hi Steven, spot on! The LISP definitely flags raw geometry changes, not design intent. I actually use it as a "first pass" safety net. It's much faster to let the script cloud everything that moved and simply delete the few "false positives" (like lines stretched for spacing) than to manually hunt for actual design changes. For the overlapping issue: the clouds are standard polylines on a dedicated layer. You can easily grip-stretch them out of the way, or use DFCT beforehand to increase the padding so they draw looser. It doesn't replace a drafter's eye, but it definitely handles the heavy lifting of finding the changes first! Thanks for checking it out.

You must've copied the changes into your code incorrectly. "RH: DXF" is already defined in your original code. (defun rh:dxf (code lst) (cdr (assoc code lst))) Attached is your original code with @mhupp's change: (defun rh:dxf (code lst) (cdr (assoc code lst))) (defun c:aa ( / cmde ent e_typ e_lst area vtx x_lst y_lst z_lst x_pt y_pt z_pt c_lst v_lst ss sum) (cond ( (/= 0 (getvar 'cmdecho)) (setq cmde (getvar 'cmdecho)) (setvar 'cmdecho 0) ) ) (while (setq ss (ssget "_+.:E:S" '((0 . "POLYLINE,LWPOLYLINE") (-4 . "<OR") (70 . 1) (70 . 3) (70 . 5) (-4 . "OR>") ) )) (setq ent (ssname ss 0) e_typ (rh:dxf 0 (setq e_lst (entget ent))) area (getpropertyvalue ent "area") v_lst nil ) (cond ( (= e_typ "POLYLINE") (setq ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) (while (/= "SEQEND" (cdr (assoc 0 (entget ent)))) (setq v_lst (cons vtx v_lst) ent (entnext ent) vtx (rh:dxf 10 (entget ent)) ) (if (< (length vtx) 3) (setq vtx (reverse (cons 0.0 (reverse vtx))))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) (if (= (setq sum (apply '+ (mapcar '(lambda (x) (caddr x)) v_lst))) 0.0) (setq z_pt 0.0) (setq z_pt (/ sum (length v_lst))) ) ) ( (= e_typ "LWPOLYLINE") (setq z_pt (rh:dxf 38 e_lst)) (foreach pr e_lst (if (= (car pr) 10) (setq v_lst (cons (cdr pr) v_lst))) ) (setq x_pt (/ (apply '+ (mapcar '(lambda (x) (car x)) v_lst)) (length v_lst)) y_pt (/ (apply '+ (mapcar '(lambda (x) (cadr x)) v_lst)) (length v_lst)) ) ) ) (setq c_lst (list x_pt y_pt z_pt)) (entmakex (list (cons 0 "MTEXT") (cons 100 "AcDbEntity") (cons 100 "AcDbMText") (cons 10 c_lst) (cons 40 (getvar 'textsize)) (cons 71 5) (cons 72 5) (cons 1 (strcat (rtos (/ area 1000000.0) 2 2) "m" (chr 0178))) ; (cons 1 (strcat (rtos (/ area 1000000.0) 2 2) "m²")) ; (cons 1 (rtos (/ area 1000000.0) 2 3)) ; If you don't need the suffix "m²" ) ) ) (if cmde (setvar 'cmdecho cmde)) )