Hi gang, long time no see.
With a lot of help (and I mean A LOT), I've been putting together this code that lets me select polygons and automatically dimension them.
It's working almost perfectly.
I select the polygon(s) and it creates the dimensions on the correct layer, in our standard style, but the angled dimensions have ticks instead of arrows (even though we have a specific sub style for angled dims that uses arrows) - see attachment. I update all the dimensions (-dimstyle > apply > All) the angled dimensions are corrected - even thouigh they are already the correct style.
Also (and less important) I'd love for the text in the angled dimensions to be on the other side of the dimension line.
(defun c:dimpolygons ( / *error* mr_IsPointInside mid adoc spc sel d i lw enx pl lwn enxn plni plno plnom plm clr)
(vl-load-com)
(defun *error* ( m )
(vla-endundomark adoc)
(if m
(prompt m)
)
(princ)
)
(setq clr (getvar "CLAYER"))
(command "-layer" "Make" "0-Dims" "color" "3" "" "")
(defun mr_IsPointInside ( pt ptlst / trianglst ptinsidetriangle-p trl )
(defun trianglst ( ptlst / unique LM:ListClockwise-p clockwise-p l p1 p2 p3 trl )
(defun unique ( l )
(if l (cons (car l) (unique (vl-remove-if (function (lambda ( x ) (equal x (car l) 1e-6))) l))))
)
;; List Clockwise-p - Lee Mac
;; Returns T if the point list is clockwise oriented
(defun LM:ListClockwise-p ( lst )
(minusp
(apply '+
(mapcar
(function
(lambda ( a b )
(- (* (car b) (cadr a)) (* (car a) (cadr b)))
)
)
lst (cons (last lst) lst)
)
)
)
)
(defun clockwise-p ( p1 p2 p3 )
(< (* (- (car p2) (car p1)) (- (cadr p3) (cadr p1)))
(* (- (cadr p2) (cadr p1)) (- (car p3) (car p1)))
)
)
(setq l ptlst)
(while (> (length ptlst) 3)
(setq p1 (car ptlst) p2 (cadr ptlst) p3 (caddr ptlst))
(cond
( (LM:ListClockwise-p ptlst)
(if
(and
(clockwise-p p1 p2 p3)
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p1 p2 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p2 p3 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p3 p1 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
)
(progn
(setq trl (cons (list p1 p2 p3) trl))
(setq ptlst (vl-remove p2 ptlst))
(setq ptlst (cdr (reverse (cons (car ptlst) (reverse ptlst)))))
)
(setq ptlst (cdr (reverse (cons (car ptlst) (reverse ptlst)))))
)
)
( (not (LM:ListClockwise-p ptlst))
(if
(and
(not (clockwise-p p1 p2 p3))
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p1 p2 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p2 p3 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
(= (length (unique (vl-remove nil (mapcar (function (lambda ( a b ) (inters p3 p1 a b))) l (cdr (reverse (cons (car l) (reverse l)))))))) 2)
)
(progn
(setq trl (cons (list p1 p2 p3) trl))
(setq ptlst (vl-remove p2 ptlst))
(setq ptlst (cdr (reverse (cons (car ptlst) (reverse ptlst)))))
)
(setq ptlst (cdr (reverse (cons (car ptlst) (reverse ptlst)))))
)
)
)
)
(setq trl (cons (list (car ptlst) (cadr ptlst) (caddr ptlst)) trl))
trl
)
(defun ptinsidetriangle-p ( pt p1 p2 p3 )
(and
(not
(or
(inters pt p1 p2 p3)
(inters pt p2 p1 p3)
(inters pt p3 p1 p2)
)
)
(not
(or
(> (+ (distance pt p1) (distance pt p2)) (+ (distance p3 p1) (distance p3 p2)))
(> (+ (distance pt p2) (distance pt p3)) (+ (distance p1 p2) (distance p1 p3)))
(> (+ (distance pt p3) (distance pt p1)) (+ (distance p2 p3) (distance p2 p1)))
)
)
)
)
(setq trl (trianglst ptlst))
(vl-some (function (lambda ( x ) (ptinsidetriangle-p pt (car x) (cadr x) (caddr x)))) trl)
)
(defun mid ( p1 p2 )
(mapcar (function (lambda ( a b ) (/ (+ a b) 2.0))) p1 p2)
)
(vla-startundomark (setq adoc (vla-get-activedocument (vlax-get-acad-object))))
(setq spc (vla-get-block (vla-get-activelayout adoc)))
(if (not (tblsearch "DIMSTYLE" "SCAPE Standard"))
(Alert "SCAPE Standard dimension style not loaded")
(Command "-dimstyle" "r" "SCAPE Standard")
)
(prompt "\nSelect closed POLYGONS...")
(setq sel (ssget (list '(0 . "LWPOLYLINE") '(-4 . "&=") '(70 . 1) '(-4 . "<not") '(-4 . "<>") '(42 . 0.0) '(-4 . "not>"))))
(initget 7)
(setq d (getdist "\nPick or specify offset distance for dimensioning : "))
(if sel
(progn
(repeat (setq i (sslength sel))
(setq lw (ssname sel (setq i (1- i))))
(setq enx (entget lw))
(setq pl (mapcar (function (lambda ( x ) (trans (list (car x) (cadr x) (cdr (assoc 38 enx))) lw 1))) (mapcar (function cdr) (vl-remove-if (function (lambda ( x ) (/= (car x) 10))) enx))))
(vla-offset (vlax-ename->vla-object lw) d)
(setq lwn (entlast))
(setq enxn (entget lwn))
(setq plni (mapcar (function (lambda ( x ) (trans (list (car x) (cadr x) (cdr (assoc 38 enxn))) lwn 1))) (mapcar (function cdr) (vl-remove-if (function (lambda ( x ) (/= (car x) 10))) enxn))))
(if (not (mr_IsPointInside (car plni) pl))
(progn
(entdel lwn)
(vla-offset (vlax-ename->vla-object lw) (- d))
(setq lwn (entlast))
(setq enxn (entget lwn))
(setq plni (mapcar (function (lambda ( x ) (trans (list (car x) (cadr x) (cdr (assoc 38 enxn))) lwn 1))) (mapcar (function cdr) (vl-remove-if (function (lambda ( x ) (/= (car x) 10))) enxn))))
)
)
(entdel lwn)
(setq plno (mapcar (function (lambda ( a b ) (mapcar (function +) a (mapcar (function -) a b)))) pl plni))
(setq plnom (mapcar (function (lambda ( a b ) (mid a b))) plno (cdr (reverse (cons (car plno) (reverse plno))))))
(mapcar (function (lambda ( a b c ) (vla-addDimAligned spc (vlax-3d-point a) (vlax-3d-point b) (vlax-3d-point c)))) pl (cdr (reverse (cons (car pl) (reverse pl)))) plnom)
(setq pl (reverse (cons (car pl) (reverse pl))))
(setq plm (mapcar (function (lambda ( a b ) (mid a b))) pl (cdr pl)))
(mapcar (function (lambda ( a b c d ) (vla-AddDim3PointAngular spc (vlax-3d-point a) (vlax-3d-point b) (vlax-3d-point c) (vlax-3d-point d)))) (cdr pl) plm (cdr (reverse (cons (car plm) (reverse plm))))
(cdr (reverse (cons (car plni) (reverse plni)))))
)
)
(prompt "\nEmpty sel. set... Retry routine with valid sel. set...")
)
(*error* nil)
(setvar "CLAYER" clr)
)
Thanks for any help, as always!!!