색상·선종류·선 가중치를 ByLayer로 되돌리기

숨겨진 부분이 없는 일반 텍스트입니다. cxbylayer.lsp 이름의 파일에 복사하거나 내려받으세요.

;;; ============================================================================
;;; CXBYLAYER - Set color, linetype and lineweight back to ByLayer
;;; Version 1.0.0
;;; CADXChange LISP tools - https://cadxchange.net/resources/lisp/cxbylayer
;;; Tested in: AutoCAD (full version). Other programs that run AutoLISP may work but are not tested.
;;; Copyright (c) CADXChange. Free for personal and commercial use; do not resell or
;;; republish it as a collection. Terms: https://cadxchange.net/legal/lisp-terms
;;; ============================================================================

;; Set the color (62), linetype (6) and lineweight (370) groups listed in CODES back to ByLayer on the entities in NAMES.
;; An entity without such a group already follows its layer. Returns how many entities were changed.
(defun cx:bylayer-run (names codes / n ed changed g new)
  (setq n 0)
  (foreach e names
    (setq ed (entget e) changed nil)
    (foreach code codes
      (if (setq g (assoc code ed))
        (progn
          (setq new (cons code (cond ((= code 62) 256) ((= code 6) "ByLayer") (T -1))))
          (if (not (equal g new))
            (setq ed (subst new g ed) changed T)))))
    (if changed
      (progn (entmod ed) (entupd e) (setq n (1+ n)))))
  n)

(defun c:CXBYLAYER ( / *error* cx:sv ss what codes)
  (setq *error* cx:err)
  (if (setq ss (cx:pick "\nSelect objects: " nil))
    (progn
      (setq what  (cx:ask-kw "Set to ByLayer" "All Color Linetype Lineweight" "All")
            codes (cond ((= what "Color") '(62)) ((= what "Linetype") '(6)) ((= what "Lineweight") '(370)) (T '(62 6 370))))
      (cx:start '(("CMDECHO" . 0)))
      (princ (strcat "\n" (itoa (cx:bylayer-run (cx:ss->list ss) codes)) " object(s) changed."))
      (cx:end)))
  (princ))


;;; ---- Shared helpers (used by the command above; identical in every CADXChange tool) ----

;; Close the undo step and put the system variables back.
(defun cx:end ()
  (foreach v cx:sv (setvar (car v) (cdr v)))
  (command "_.UNDO" "_End")
  (setq cx:sv nil)
  (princ))

;; Error handler: restores everything, stays quiet on Esc.
(defun cx:err (msg)
  (if (> (getvar "CMDACTIVE") 0) (command))
  (cx:end)
  (if (and msg (not (wcmatch (strcase msg) "*BREAK*,*CANCEL*,*EXIT*")))
    (princ (strcat "\nError: " msg)))
  (princ))

;; Use the objects already selected, or ask the user to select; FILTER is an ssget filter list or nil.
(defun cx:pick (msg filter / ss)
  (setq ss (if filter (ssget "_I" filter) (ssget "_I")))
  (if (null ss)
    (progn
      (princ msg)
      (setq ss (if filter (ssget filter) (ssget)))))
  ss)

;; Replace every OLD in STR by NEW (case sensitive).
(defun cx:replace (str old new / n out pos)
  (setq n (strlen old) out "" pos 1)
  (if (= n 0)
    str
    (progn
      (while (<= pos (1+ (- (strlen str) n)))
        (if (= (substr str pos n) old)
          (setq out (strcat out new) pos (+ pos n))
          (setq out (strcat out (substr str pos 1)) pos (1+ pos))))
      (strcat out (substr str pos)))))

;; Ask for one of the keywords in BITS ("Yes No"), default DEF; returns the keyword.
(defun cx:ask-kw (msg bits def / v)
  (initget 0 bits)
  (setq v (getkword (strcat "\n" msg " [" (cx:replace bits " " "/") "] <" def ">: ")))
  (if v v def))

;; Save the system variables in VARS ((name . value) ...), set them, and open one undo step.
;; The caller declares cx:sv as a local so the saved values live exactly as long as the command.
(defun cx:start (vars)
  (setq cx:sv (mapcar (function (lambda (v) (cons (car v) (getvar (car v))))) vars))
  (command "_.UNDO" "_Begin")
  (foreach v vars (setvar (car v) (cdr v)))
  (princ))

;; Selection set to a list of entity names.
(defun cx:ss->list (ss / i out)
  (setq i 0)
  (if ss
    (repeat (sslength ss)
      (setq out (cons (ssname ss i) out)
            i   (1+ i))))
  (reverse out))

(princ "\nCXBYLAYER loaded. Type CXBYLAYER to start.")
(princ)

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