CXLAYRESCapasVersión 1.0.0Probado en AutoCAD

Restaurar las capas que apagó CXLAYISO

Enciende exactamente las capas que CXLAYISO había ocultado. Si no se aisló nada, ofrece encender todas las capas apagadas.

Descargar cxlayres.lsp Condiciones LISP

Cómo se usa

Escribe CXLAYRES.
Las capas ocultadas por CXLAYISO vuelven.
Si no había nada aislado, responde Yes para encender todas las capas apagadas.

Conviene saber

Funciona incluso tras varias llamadas a CXLAYISO en la misma sesión.

Cargarlo en AutoCAD

Guarda el archivo donde quieras.
Escribe APPLOAD, elige el archivo y pulsa Cargar.
Escribe el nombre del comando: CXLAYRES.

Para tenerlo en cada inicio, agrégalo al Contenido de inicio en el mismo cuadro de diálogo, o carga una carpeta entera de una vez con el cargador opcional. Sobre el cargador opcional

Probado en AutoCAD (versión completa). Otros programas que ejecutan AutoLISP pueden funcionar, pero no se han probado.

El código

Texto sin más, nada oculto. Cópialo en un archivo llamado cxlayres.lsp o descárgalo.

;;; ============================================================================
;;; CXLAYRES - Bring back the layers CXLAYISO switched off
;;; Version 1.0.0
;;; CADXChange LISP tools - https://cadxchange.net/resources/lisp/cxlayres
;;; 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
;;; ============================================================================

;; Switch on the layers CXLAYISO switched off. With ALL true, every layer that is off comes back instead.
;; Returns how many layers were switched on.
(defun cx:layres-run (all / n ed names)
  (setq n 0 names (if all (cx:layers) *cx-layiso*))
  (foreach name names
    (if (and (setq ed (tblsearch "LAYER" name)) (< (cdr (assoc 62 ed)) 0))
      (progn
        (cx:lay-set name 62 (- (cdr (assoc 62 ed))))
        (setq n (1+ n)))))
  (setq *cx-layiso* nil)
  n)

(defun c:CXLAYRES ( / *error* cx:sv all)
  (setq *error* cx:err)
  (setq all (if *cx-layiso* nil (= (cx:ask-kw "Nothing was isolated. Switch on every layer that is off" "Yes No" "Yes") "Yes")))
  (if (or *cx-layiso* all)
    (progn
      (cx:start '(("CMDECHO" . 0)))
      (princ (strcat "\n" (itoa (cx:layres-run all)) " layer(s) switched on."))
      (cx:end)))
  (princ))


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

(defun cx:dxf (code ed)
  (cdr (assoc code ed)))

;; Names of all layers.
(defun cx:layers (/ r out)
  (setq r (tblnext "LAYER" T))
  (while r
    (setq out (cons (cx:dxf 2 r) out) r (tblnext "LAYER")))
  (reverse out))

;; Set the DXF group CODE of layer NAME to VAL; returns T, or nil when there is no such layer.
(defun cx:lay-set (name code val / en ed)
  (if (setq en (tblobjname "LAYER" name))
    (progn
      (setq ed (entget en))
      (entmod (if (assoc code ed)
                (subst (cons code val) (assoc code ed) ed)
                (append ed (list (cons code val)))))
      T)))

;; 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))

;; 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))

(princ "\nCXLAYRES loaded. Type CXLAYRES to start.")
(princ)

Historial de versiones

Versión 1.0.0 · 27 de octubre de 2026

Primera versión.

¿Lo necesitas en muchos dibujos?

LayerSync hace este tipo de trabajo con toda una carpeta de dibujos en una sola pasada.

LayerSync